ci: full upgrade

Actually try to convert existing chapters.

.github/workflows/release.yml

@@ -8,12 +8,13 @@ name: release
 on:
   push:
     tags:
-      - 'v*'
+      - "v*"
 
 permissions:
   contents: write # needed to write releases
   id-token: write # needed for keyless signing
   packages: write # needed for ghcr access
+  attestations: write # needed for attestations
 
 jobs:
   release:
@@ -22,22 +23,33 @@ jobs:
       - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # this is important, otherwise it won't checkout the full tree (i.e. no previous tags)
-      - uses: actions/setup-go@v5
+      - name: Set up Go
+        uses: actions/setup-go@v6
         with:
-          go-version: 1.25
+          go-version-file: go.mod
           cache: true
-      - uses: sigstore/cosign-installer@v3.9.2         # installs cosign
+      - uses: sigstore/cosign-installer@v3.9.2 # installs cosign
       - uses: anchore/sbom-action/download-syft@v0.20.5 # installs syft
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
-      - uses: docker/login-action@v3                   # login to ghcr
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3 # login to ghcr
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - uses: goreleaser/goreleaser-action@v6          # run goreleaser
+      - uses: goreleaser/goreleaser-action@v6 # run goreleaser
         with:
-          version: latest
-          args: release --clean
+          version: nightly
+          args: release --clean --verbose
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      # After GoReleaser runs, attest all the files in ./dist/checksums.txt:
+      - uses: actions/attest-build-provenance@v3
+        with:
+          subject-checksums: ./dist/checksums.txt
+      # After GoReleaser runs, attest all the images in ./dist/digests.txt:
+      - uses: actions/attest-build-provenance@v3
+        with:
+          subject-checksums: ./dist/digests.txt

.github/workflows/test.yml

@@ -6,49 +6,46 @@ on:
 
 jobs:
   test:
+    name: Test
     runs-on: ubuntu-latest
-
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v5
+      - uses: actions/checkout@v5
 
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
-          go-version: '1.25'
+          go-version-file: go.mod
+          cache: true
+      - name: Install gotestsum
+        run: go install gotest.tools/gotestsum@latest
 
-      - name: Install dependencies
-        run: go mod tidy
-        
-      - name: Install Junit reporter
+      - name: Setup test environment
         run: |
-          wget https://github.com/jstemmer/go-junit-report/releases/download/v2.1.0/go-junit-report-v2.1.0-linux-amd64.tar.gz && \
-          tar -xzf go-junit-report-v2.1.0-linux-amd64.tar.gz && \
-          chmod +x go-junit-report && \
-          mv go-junit-report /usr/local/bin/
+          go build -tags testsetup -o test-setup ./cmd/test-setup
+          ./test-setup
 
       - name: Run tests
         run: |
-          set -o pipefail
-          go test -v 2>&1 ./... -coverprofile=coverage.txt | tee test-results.txt
-      - name: Analyse test results
-        if: ${{ !cancelled() }}
-        run: go-junit-report < test-results.txt > junit.xml
+          mkdir -p test-results
+          gotestsum --junitfile test-results/junit.xml --format testname -- -race -coverprofile=coverage.txt -covermode=atomic ./...
+
       - name: Upload test result artifact
         if: ${{ !cancelled() }}
         uses: actions/upload-artifact@v4
         with:
           name: test-results
-          path: | 
-            test-results.txt
-            junit.xml
+          path: |
+            test-results/junit.xml
+            test-results/coverage.txt
           retention-days: 7
-      - name: Upload results to Codecov
-        uses: codecov/codecov-action@v5
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
       - name: Upload test results to Codecov
         if: ${{ !cancelled() }}
         uses: codecov/test-results-action@v1
         with:
-          token: ${{ secrets.CODECOV_TOKEN }}
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: test-results/junit.xml
+      - name: Upload coverage reports to Codecov
+        if: ${{ !cancelled() }}
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

.gitignore

@@ -102,4 +102,5 @@ fabric.properties
 .idea/httpRequests
 
 # Android studio 3.1+ serialized cache file
-.idea/caches/build_file_checksums.ser
+.idea/caches/build_file_checksums.ser
+*__debug_bin*

.goreleaser.yml

@@ -48,6 +48,9 @@ builds:
 # https://goreleaser.com/customization/checksum
 checksum:
   name_template: "checksums.txt"
+# Change the digests filename:
+docker_digest:
+  name_template: "digests.txt"
 # create a source tarball
 # https://goreleaser.com/customization/source/
 source:
@@ -64,32 +67,25 @@ sboms:
     artifacts: source
 # create a docker image
 # https://goreleaser.com/customization/docker
-dockers:
-  - image_templates:
-      - "ghcr.io/belphemur/cbzoptimizer:latest-amd64"
-      - "ghcr.io/belphemur/cbzoptimizer:{{ .Version }}-amd64"
-    use: buildx
-    build_flag_templates:
-      - "--pull"
-      - "--platform=linux/amd64"
-      - "--label=org.opencontainers.image.created={{.Date}}"
-      - "--label=org.opencontainers.image.name={{.ProjectName}}"
-      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
-      - "--label=org.opencontainers.image.version={{.Version}}"
-      - "--label=org.opencontainers.image.source={{.GitURL}}"
-  - image_templates:
-      - "ghcr.io/belphemur/cbzoptimizer:latest-arm64"
-      - "ghcr.io/belphemur/cbzoptimizer:{{ .Version }}-arm64"
-    use: buildx
-    goarch: arm64
-    build_flag_templates:
-      - "--pull"
-      - "--platform=linux/arm64"
-      - "--label=org.opencontainers.image.created={{.Date}}"
-      - "--label=org.opencontainers.image.name={{.ProjectName}}"
-      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
-      - "--label=org.opencontainers.image.version={{.Version}}"
-      - "--label=org.opencontainers.image.source={{.GitURL}}"
+dockers_v2:
+  - id: cbzoptimizer-image
+    ids:
+      - cbzoptimizer
+    platforms:
+      - linux/amd64
+      - linux/arm64
+    images:
+      - "ghcr.io/belphemur/cbzoptimizer"
+    tags:
+      - "{{ .Version }}"
+      - latest
+    labels:
+      "org.opencontainers.image.created": "{{.Date}}"
+      "org.opencontainers.image.name": "{{.ProjectName}}"
+      "org.opencontainers.image.revision": "{{.FullCommit}}"
+      "org.opencontainers.image.version": "{{.Version}}"
+      "org.opencontainers.image.source": "{{.GitURL}}"
+      "org.opencontainers.image.description": "CBZOptimizer is a Go-based tool designed to optimize CBZ (Comic Book Zip) and CBR (Comic Book RAR) files by converting images to a specified format and quality. This tool is useful for reducing the size of comic book archives while maintaining acceptable image quality."
 # signs the checksum file
 # all files (including the sboms) are included in the checksum, so we don't need to sign each one if we don't want to
 # https://goreleaser.com/customization/sign
@@ -112,18 +108,8 @@ docker_signs:
   - cmd: cosign
     env:
       - COSIGN_EXPERIMENTAL=1
-    artifacts: images
     output: true
     args:
       - "sign"
       - "${artifact}"
       - "--yes" # needed on cosign 2.0.0+
-docker_manifests:
-  - name_template: "ghcr.io/belphemur/cbzoptimizer:{{ .Version }}"
-    image_templates:
-      - "ghcr.io/belphemur/cbzoptimizer:{{ .Version }}-amd64"
-      - "ghcr.io/belphemur/cbzoptimizer:{{ .Version }}-arm64"
-  - name_template: "ghcr.io/belphemur/cbzoptimizer:latest"
-    image_templates:
-      - "ghcr.io/belphemur/cbzoptimizer:latest-amd64"
-      - "ghcr.io/belphemur/cbzoptimizer:latest-arm64"

.vscode/launch.json

@@ -1,16 +1,24 @@
 {
-    // Use IntelliSense to learn about possible attributes.
-    // Hover to view descriptions of existing attributes.
-    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-        
-        {
-            "name": "Launch Package",
-            "type": "go",
-            "request": "launch",
-            "mode": "auto",
-            "program": "${fileDirname}"
-        }
-    ]
-}
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Launch file",
+      "type": "go",
+      "request": "launch",
+      "mode": "debug",
+      "program": "${file}"
+    },
+    {
+      "name": "Optimize Testdata",
+      "type": "go",
+      "request": "launch",
+      "mode": "auto",
+      "program": "${workspaceFolder}/cmd/cbzoptimizer",
+      "args": ["optimize", "${workspaceFolder}/testdata", "-l", "debug"],
+      "cwd": "${workspaceFolder}"
+    }
+  ]
+}

Dockerfile

@@ -1,29 +1,37 @@
-FROM alpine:latest
+FROM debian:trixie-slim
 LABEL authors="Belphemur"
+ARG TARGETPLATFORM
 ARG APP_PATH=/usr/local/bin/CBZOptimizer
 ENV USER=abc
 ENV CONFIG_FOLDER=/config
 ENV PUID=99
+ENV DEBIAN_FRONTEND=noninteractive
 
-RUN mkdir -p "${CONFIG_FOLDER}" && \
+RUN apt-get update && apt-get install -y --no-install-recommends adduser && \
+    addgroup --system users && \
     adduser \
-        -S \
-        -H \
-        -h "${CONFIG_FOLDER}" \
-        -G "users" \
-        -u "${PUID}" \
-        "${USER}" && \
-        chown ${PUID}:users "${CONFIG_FOLDER}"
+    --system \
+    --home "${CONFIG_FOLDER}" \
+    --uid "${PUID}" \
+    --ingroup users \
+    --disabled-password \
+    "${USER}" && \
+    apt-get purge -y --auto-remove adduser && \
+    rm -rf /var/lib/apt/lists/*
 
-COPY CBZOptimizer ${APP_PATH}
+COPY ${TARGETPLATFORM}/CBZOptimizer ${APP_PATH}
 
-RUN apk add --no-cache \
+RUN apt-get update && \
+    apt-get full-upgrade -y && \
+    apt-get install -y --no-install-recommends \
     inotify-tools \
     bash \
+    ca-certificates \
     bash-completion && \
+    rm -rf /var/lib/apt/lists/* && \
     chmod +x ${APP_PATH} && \
-    ${APP_PATH} completion bash > /etc/bash_completion.d/CBZOptimizer
+    ${APP_PATH} completion bash > /etc/bash_completion.d/CBZOptimizer.bash
 
 VOLUME ${CONFIG_FOLDER}
 USER ${USER}
-ENTRYPOINT ["/usr/local/bin/CBZOptimizer"]
+ENTRYPOINT ["/usr/local/bin/CBZOptimizer"]

cmd/cbzoptimizer/commands/optimize_command.go

@@ -113,8 +113,9 @@ func ConvertCbzCommand(cmd *cobra.Command, args []string) error {
 
 	// Channel to manage the files to process
 	fileChan := make(chan string)
-	// Channel to collect errors
-	errorChan := make(chan error, parallelism)
+	// Slice to collect errors with mutex for thread safety
+	var errs []error
+	var errMutex sync.Mutex
 
 	// WaitGroup to wait for all goroutines to finish
 	var wg sync.WaitGroup
@@ -138,7 +139,9 @@ func ConvertCbzCommand(cmd *cobra.Command, args []string) error {
 				})
 				if err != nil {
 					log.Error().Int("worker_id", workerID).Str("file_path", path).Err(err).Msg("Worker encountered error")
-					errorChan <- fmt.Errorf("error processing file %s: %w", path, err)
+					errMutex.Lock()
+					errs = append(errs, fmt.Errorf("error processing file %s: %w", path, err))
+					errMutex.Unlock()
 				} else {
 					log.Debug().Int("worker_id", workerID).Str("file_path", path).Msg("Worker completed file successfully")
 				}
@@ -177,13 +180,6 @@ func ConvertCbzCommand(cmd *cobra.Command, args []string) error {
 	log.Debug().Msg("File channel closed, waiting for workers to complete")
 	wg.Wait() // Wait for all workers to finish
 	log.Debug().Msg("All workers completed")
-	close(errorChan) // Close the error channel
-
-	var errs []error
-	for err := range errorChan {
-		errs = append(errs, err)
-		log.Error().Err(err).Msg("Collected processing error")
-	}
 
 	if len(errs) > 0 {
 		log.Error().Int("error_count", len(errs)).Msg("Command completed with errors")

cmd/cbzoptimizer/commands/rootcmd.go

@@ -54,14 +54,30 @@ func init() {
 	viper.AutomaticEnv()
 
 	// Add log level flag (accepts zerolog levels: panic, fatal, error, warn, info, debug, trace)
+	ef := enumflag.New(&logLevel, "log", LogLevelIds, enumflag.EnumCaseInsensitive)
 	rootCmd.PersistentFlags().VarP(
-		enumflag.New(&logLevel, "log", LogLevelIds, enumflag.EnumCaseInsensitive),
+		ef,
 		"log", "l",
 		"Set log level; can be 'panic', 'fatal', 'error', 'warn', 'info', 'debug', or 'trace'")
+	ef.RegisterCompletion(rootCmd, "log", enumflag.Help[zerolog.Level]{
+		zerolog.PanicLevel: "Only log panic messages",
+		zerolog.FatalLevel: "Log fatal and panic messages",
+		zerolog.ErrorLevel: "Log error, fatal, and panic messages",
+		zerolog.WarnLevel:  "Log warn, error, fatal, and panic messages",
+		zerolog.InfoLevel:  "Log info, warn, error, fatal, and panic messages",
+		zerolog.DebugLevel: "Log debug, info, warn, error, fatal, and panic messages",
+		zerolog.TraceLevel: "Log all messages including trace",
+	})
 
 	// Add log level environment variable support
-	viper.SetEnvPrefix("")
-	viper.BindEnv("LOG_LEVEL")
+	viper.BindEnv("log", "LOG_LEVEL")
+	viper.BindPFlag("log", rootCmd.PersistentFlags().Lookup("log"))
+
+	rootCmd.PersistentPreRun = func(cmd *cobra.Command, args []string) {
+		ConfigureLogging()
+	}
+
+	// Ensure the configuration directory exists
 
 	err := os.MkdirAll(configFolder, os.ModePerm)
 	if err != nil {
@@ -95,7 +111,7 @@ func ConfigureLogging() {
 	level := zerolog.InfoLevel
 
 	// Check LOG_LEVEL environment variable first
-	envLogLevel := viper.GetString("LOG_LEVEL")
+	envLogLevel := viper.GetString("log")
 	if envLogLevel != "" {
 		if parsedLevel, err := zerolog.ParseLevel(envLogLevel); err == nil {
 			level = parsedLevel

cmd/cbzoptimizer/main.go

@@ -13,8 +13,5 @@ var (
 func main() {
 	commands.SetVersionInfo(version, commit, date)
 
-	// Configure logging before executing commands
-	commands.ConfigureLogging()
-
 	commands.Execute()
 }

cmd/test-setup/main.go

@@ -0,0 +1,19 @@
+//go:build testsetup
+// +build testsetup
+
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/belphemur/CBZOptimizer/v2/pkg/converter/webp"
+)
+
+func main() {
+	fmt.Println("Setting up WebP encoder for tests...")
+	if err := webp.PrepareEncoder(); err != nil {
+		log.Fatalf("Failed to prepare WebP encoder: %v", err)
+	}
+	fmt.Println("WebP encoder setup complete.")
+}

go.mod

@@ -2,65 +2,56 @@ module github.com/belphemur/CBZOptimizer/v2
 
 go 1.25
 
-toolchain go1.25.0
-
 require (
 	github.com/araddon/dateparse v0.0.0-20210429162001-6b43995a97de
-	github.com/belphemur/go-webpbin/v2 v2.0.0
+	github.com/belphemur/go-webpbin/v2 v2.1.0
 	github.com/mholt/archives v0.1.3
 	github.com/oliamb/cutter v0.2.2
 	github.com/pablodz/inotifywaitgo v0.0.9
 	github.com/rs/zerolog v1.34.0
 	github.com/samber/lo v1.51.0
-	github.com/spf13/cobra v1.9.1
-	github.com/spf13/viper v1.20.1
-	github.com/stretchr/testify v1.11.0
+	github.com/spf13/cobra v1.10.1
+	github.com/spf13/viper v1.21.0
+	github.com/stretchr/testify v1.11.1
 	github.com/thediveo/enumflag/v2 v2.0.7
 	golang.org/x/exp v0.0.0-20250819193227-8b4c13bb791b
-	golang.org/x/image v0.30.0
+	golang.org/x/image v0.31.0
 )
 
 require (
-	github.com/STARRY-S/zip v0.2.1 // indirect
-	github.com/andybalholm/brotli v1.1.2-0.20250424173009-453214e765f3 // indirect
-	github.com/belphemur/go-binwrapper v0.0.0-20240827152605-33977349b1f0 // indirect
+	github.com/STARRY-S/zip v0.2.3 // indirect
+	github.com/andybalholm/brotli v1.2.0 // indirect
+	github.com/belphemur/go-binwrapper v1.0.0 // indirect
 	github.com/bodgit/plumbing v1.3.0 // indirect
-	github.com/bodgit/sevenzip v1.6.0 // indirect
+	github.com/bodgit/sevenzip v1.6.1 // indirect
 	github.com/bodgit/windows v1.0.1 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dsnet/compress v0.0.2-0.20230904184137-39efe44ab707 // indirect
-	github.com/fsnotify/fsnotify v1.8.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
-	github.com/golang/snappy v0.0.4 // indirect
-	github.com/hashicorp/errwrap v1.1.0 // indirect
-	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/jfrog/archiver/v3 v3.6.1 // indirect
-	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/klauspost/compress v1.18.0 // indirect
 	github.com/klauspost/pgzip v1.2.6 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mikelolasagasti/xz v1.0.1 // indirect
-	github.com/minio/minlz v1.0.0 // indirect
-	github.com/nwaples/rardecode v1.1.3 // indirect
-	github.com/nwaples/rardecode/v2 v2.1.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
-	github.com/pierrec/lz4/v4 v4.1.21 // indirect
+	github.com/minio/minlz v1.0.1 // indirect
+	github.com/nwaples/rardecode/v2 v2.1.1 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/pierrec/lz4/v4 v4.1.22 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/sagikazarmark/locafero v0.7.0 // indirect
-	github.com/sorairolake/lzip-go v0.3.5 // indirect
-	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.12.0 // indirect
-	github.com/spf13/cast v1.7.1 // indirect
-	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/sagikazarmark/locafero v0.11.0 // indirect
+	github.com/sorairolake/lzip-go v0.3.8 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/cast v1.10.0 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
-	github.com/ulikunitz/xz v0.5.12 // indirect
-	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
-	go.uber.org/multierr v1.9.0 // indirect
+	github.com/ulikunitz/xz v0.5.15 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	go4.org v0.0.0-20230225012048-214862532bf5 // indirect
-	golang.org/x/sys v0.29.0 // indirect
-	golang.org/x/text v0.28.0 // indirect
+	golang.org/x/sys v0.36.0 // indirect
+	golang.org/x/text v0.29.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -17,20 +17,20 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/STARRY-S/zip v0.2.1 h1:pWBd4tuSGm3wtpoqRZZ2EAwOmcHK6XFf7bU9qcJXyFg=
-github.com/STARRY-S/zip v0.2.1/go.mod h1:xNvshLODWtC4EJ702g7cTYn13G53o1+X9BWnPFpcWV4=
-github.com/andybalholm/brotli v1.1.2-0.20250424173009-453214e765f3 h1:8PmGpDEZl9yDpcdEr6Odf23feCxK3LNUNMxjXg41pZQ=
-github.com/andybalholm/brotli v1.1.2-0.20250424173009-453214e765f3/go.mod h1:05ib4cKhjx3OQYUY22hTVd34Bc8upXjOLL2rKwwZBoA=
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@@ -51,8 +51,8 @@ github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.m
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@@ -75,8 +75,6 @@ github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y
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@@ -84,8 +82,8 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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@@ -95,11 +93,6 @@ github.com/google/pprof v0.0.0-20241210010833-40e02aabc2ad/go.mod h1:vavhavw2zAx
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@@ -107,14 +100,12 @@ github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyf
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@@ -125,22 +116,22 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
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@@ -149,10 +140,10 @@ github.com/onsi/gomega v1.36.2 h1:koNYke6TVk6ZmnyHrCXba/T/MoLBXFjeC1PtvYgw0A8=
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@@ -167,38 +158,40 @@ github.com/rs/zerolog v1.34.0 h1:k43nTLIwcTVQAncfCw4KZ2VY6ukYoZaBPNOE8txlOeY=
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-github.com/sagikazarmark/locafero v0.7.0 h1:5MqpDsTGNDhY8sGp0Aowyf0qKsPrhewaLSsFaodPcyo=
-github.com/sagikazarmark/locafero v0.7.0/go.mod h1:2za3Cg5rMaTMoG/2Ulr9AwtFaIppKXTRYnozin4aB5k=
+github.com/sagikazarmark/locafero v0.11.0 h1:1iurJgmM9G3PA/I+wWYIOw/5SyBtxapeHDcg+AAIFXc=
+github.com/sagikazarmark/locafero v0.11.0/go.mod h1:nVIGvgyzw595SUSUE6tvCp3YYTeHs15MvlmU87WwIik=
 github.com/samber/lo v1.51.0 h1:kysRYLbHy/MB7kQZf5DSN50JHmMsNEdeY24VzJFu7wI=
 github.com/samber/lo v1.51.0/go.mod h1:4+MXEGsJzbKGaUEQFKBq2xtfuznW9oz/WrgyzMzRoM0=
 github.com/scylladb/termtables v0.0.0-20191203121021-c4c0b6d42ff4/go.mod h1:C1a7PQSMz9NShzorzCiG2fk9+xuCgLkPeCvMHYR2OWg=
 github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
-github.com/sorairolake/lzip-go v0.3.5 h1:ms5Xri9o1JBIWvOFAorYtUNik6HI3HgBTkISiqu0Cwg=
-github.com/sorairolake/lzip-go v0.3.5/go.mod h1:N0KYq5iWrMXI0ZEXKXaS9hCyOjZUQdBDEIbXfoUwbdk=
-github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
-github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
-github.com/spf13/afero v1.12.0 h1:UcOPyRBYczmFn6yvphxkn9ZEOY65cpwGKb5mL36mrqs=
-github.com/spf13/afero v1.12.0/go.mod h1:ZTlWwG4/ahT8W7T0WQ5uYmjI9duaLQGy3Q2OAl4sk/4=
-github.com/spf13/cast v1.7.1 h1:cuNEagBQEHWN1FnbGEjCXL2szYEXqfJPbP2HNUaca9Y=
-github.com/spf13/cast v1.7.1/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
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-github.com/spf13/cobra v1.9.1/go.mod h1:nDyEzZ8ogv936Cinf6g1RU9MRY64Ir93oCnqb9wxYW0=
-github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
-github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/spf13/viper v1.20.1 h1:ZMi+z/lvLyPSCoNtFCpqjy0S4kPbirhpTMwl8BkW9X4=
-github.com/spf13/viper v1.20.1/go.mod h1:P9Mdzt1zoHIG8m2eZQinpiBjo6kCmZSKBClNNqjJvu4=
+github.com/sorairolake/lzip-go v0.3.8 h1:j5Q2313INdTA80ureWYRhX+1K78mUXfMoPZCw/ivWik=
+github.com/sorairolake/lzip-go v0.3.8/go.mod h1:JcBqGMV0frlxwrsE9sMWXDjqn3EeVf0/54YPsw66qkU=
+github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 h1:+jumHNA0Wrelhe64i8F6HNlS8pkoyMv5sreGx2Ry5Rw=
+github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8/go.mod h1:3n1Cwaq1E1/1lhQhtRK2ts/ZwZEhjcQeJQ1RuC6Q/8U=
+github.com/spf13/afero v1.15.0 h1:b/YBCLWAJdFWJTN9cLhiXXcD7mzKn9Dm86dNnfyQw1I=
+github.com/spf13/afero v1.15.0/go.mod h1:NC2ByUVxtQs4b3sIUphxK0NioZnmxgyCrfzeuq8lxMg=
+github.com/spf13/cast v1.10.0 h1:h2x0u2shc1QuLHfxi+cTJvs30+ZAHOGRic8uyGTDWxY=
+github.com/spf13/cast v1.10.0/go.mod h1:jNfB8QC9IA6ZuY2ZjDp0KtFO2LZZlg4S/7bzP6qqeHo=
+github.com/spf13/cobra v1.10.1 h1:lJeBwCfmrnXthfAupyUTzJ/J4Nc1RsHC/mSRU2dll/s=
+github.com/spf13/cobra v1.10.1/go.mod h1:7SmJGaTHFVBY0jW4NXGluQoLvhqFQM+6XSKD+P4XaB0=
+github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
+github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/viper v1.21.0 h1:x5S+0EU27Lbphp4UKm1C+1oQO+rKx36vfCoaVebLFSU=
+github.com/spf13/viper v1.21.0/go.mod h1:P0lhsswPGWD/1lZJ9ny3fYnVqxiegrlNrEmgLjbTCAY=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.11.0 h1:ib4sjIrwZKxE5u/Japgo/7SJV3PvgjGiRNAvTVGqQl8=
-github.com/stretchr/testify v1.11.0/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
 github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
 github.com/thediveo/enumflag/v2 v2.0.7 h1:uxXDU+rTel7Hg4X0xdqICpG9rzuI/mzLAEYXWLflOfs=
@@ -206,10 +199,8 @@ github.com/thediveo/enumflag/v2 v2.0.7/go.mod h1:bWlnNvTJuUK+huyzf3WECFLy557Ttlc
 github.com/thediveo/success v1.0.2 h1:w+r3RbSjLmd7oiNnlCblfGqItcsaShcuAorRVh/+0xk=
 github.com/thediveo/success v1.0.2/go.mod h1:hdPJB77k70w764lh8uLUZgNhgeTl3DYeZ4d4bwMO2CU=
 github.com/ulikunitz/xz v0.5.8/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
-github.com/ulikunitz/xz v0.5.12 h1:37Nm15o69RwBkXM0J6A5OlE67RZTfzUxTj8fB3dfcsc=
-github.com/ulikunitz/xz v0.5.12/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
-github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 h1:nIPpBwaJSVYIxUFsDv3M8ofmx9yWTog9BfvIu0q41lo=
-github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8/go.mod h1:HUYIGzjTL3rfEspMxjDjgmT5uz5wzYJKVo23qUhYTos=
+github.com/ulikunitz/xz v0.5.15 h1:9DNdB5s+SgV3bQ2ApL10xRc35ck0DuIX/isZvIk+ubY=
+github.com/ulikunitz/xz v0.5.15/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 github.com/xyproto/randomstring v1.0.5 h1:YtlWPoRdgMu3NZtP45drfy1GKoojuR7hmRcnhZqKjWU=
 github.com/xyproto/randomstring v1.0.5/go.mod h1:rgmS5DeNXLivK7YprL0pY+lTuhNQW3iGxZ18UQApw/E=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
@@ -217,10 +208,8 @@ go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
-go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
-go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
-go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTVQ=
+go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
+go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
 go4.org v0.0.0-20230225012048-214862532bf5 h1:nifaUDeh+rPaBCMPMQHZmvJf+QdpLFnuQPwx+LxVmtc=
 go4.org v0.0.0-20230225012048-214862532bf5/go.mod h1:F57wTi5Lrj6WLyswp5EYV1ncrEbFGHD4hhz6S1ZYeaU=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -240,8 +229,8 @@ golang.org/x/exp v0.0.0-20250819193227-8b4c13bb791b h1:DXr+pvt3nC887026GRP39Ej11
 golang.org/x/exp v0.0.0-20250819193227-8b4c13bb791b/go.mod h1:4QTo5u+SEIbbKW1RacMZq1YEfOBqeXa19JeshGi+zc4=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/image v0.30.0 h1:jD5RhkmVAnjqaCUXfbGBrn3lpxbknfN9w2UhHHU+5B4=
-golang.org/x/image v0.30.0/go.mod h1:SAEUTxCCMWSrJcCy/4HwavEsfZZJlYxeHLc6tTiAe/c=
+golang.org/x/image v0.31.0 h1:mLChjE2MV6g1S7oqbXC0/UcKijjm5fnJLUYKIYrLESA=
+golang.org/x/image v0.31.0/go.mod h1:R9ec5Lcp96v9FTF+ajwaH3uGxPH4fKfHHAVbUILxghA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -288,8 +277,8 @@ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
-golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -310,8 +299,8 @@ golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
-golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
+golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
@@ -322,8 +311,8 @@ golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
-golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
+golang.org/x/text v0.29.0 h1:1neNs90w9YzJ9BocxfsQNHKuAT4pkghyXc4nhZ6sJvk=
+golang.org/x/text v0.29.0/go.mod h1:7MhJOA9CD2qZyOKYazxdYMF85OwPdEr9jTtBpO7ydH4=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=

internal/cbz/cbz_loader_test.go

@@ -17,9 +17,9 @@ func TestLoadChapter(t *testing.T) {
 	testCases := []testCase{
 		{
 			name:               "Original Chapter CBZ",
-			filePath:           "../../testdata/Chapter 1.cbz",
-			expectedPages:      16,
-			expectedSeries:     "<Series>Boundless Necromancer</Series>",
+			filePath:           "../../testdata/Chapter 128.cbz",
+			expectedPages:      14,
+			expectedSeries:     "<Series>The Knight King Who Returned with a God</Series>",
 			expectedConversion: false,
 		},
 		{

internal/utils/optimize_integration_test.go

@@ -0,0 +1,402 @@
+package utils
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/belphemur/CBZOptimizer/v2/internal/cbz"
+	"github.com/belphemur/CBZOptimizer/v2/internal/utils/errs"
+	"github.com/belphemur/CBZOptimizer/v2/pkg/converter"
+	"github.com/belphemur/CBZOptimizer/v2/pkg/converter/constant"
+)
+
+func TestOptimizeIntegration(t *testing.T) {
+	// Skip integration tests if no libwebp is available or testdata doesn't exist
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	// Check if testdata directory exists
+	testdataDir := "../../testdata"
+	if _, err := os.Stat(testdataDir); os.IsNotExist(err) {
+		t.Skip("testdata directory not found, skipping integration tests")
+	}
+
+	// Create temporary directory for tests
+	tempDir, err := os.MkdirTemp("", "test_optimize_integration")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer errs.CaptureGeneric(&err, os.RemoveAll, tempDir, "failed to remove temporary directory")
+
+	// Get the real webp converter
+	converterInstance, err := converter.Get(constant.WebP)
+	if err != nil {
+		t.Skip("WebP converter not available, skipping integration tests")
+	}
+
+	// Prepare the converter
+	err = converterInstance.PrepareConverter()
+	if err != nil {
+		t.Skip("Failed to prepare WebP converter, skipping integration tests")
+	}
+
+	// Collect all test files (CBZ/CBR, excluding converted ones)
+	var testFiles []string
+	err = filepath.Walk(testdataDir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() {
+			fileName := strings.ToLower(info.Name())
+			if (strings.HasSuffix(fileName, ".cbz") || strings.HasSuffix(fileName, ".cbr")) && !strings.Contains(fileName, "converted") {
+				testFiles = append(testFiles, path)
+			}
+		}
+		return nil
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if len(testFiles) == 0 {
+		t.Skip("No test files found")
+	}
+
+	tests := []struct {
+		name           string
+		inputFile      string
+		override       bool
+		expectedOutput string
+		shouldDelete   bool
+		expectError    bool
+	}{}
+
+	// Generate test cases for each available test file
+	for _, testFile := range testFiles {
+		baseName := strings.TrimSuffix(filepath.Base(testFile), filepath.Ext(testFile))
+		isCBR := strings.HasSuffix(strings.ToLower(testFile), ".cbr")
+
+		// Test without override
+		tests = append(tests, struct {
+			name           string
+			inputFile      string
+			override       bool
+			expectedOutput string
+			shouldDelete   bool
+			expectError    bool
+		}{
+			name:           fmt.Sprintf("%s file without override", strings.ToUpper(filepath.Ext(testFile)[1:])),
+			inputFile:      testFile,
+			override:       false,
+			expectedOutput: filepath.Join(filepath.Dir(testFile), baseName+"_converted.cbz"),
+			shouldDelete:   false,
+			expectError:    false,
+		})
+
+		// Test with override
+		if isCBR {
+			tests = append(tests, struct {
+				name           string
+				inputFile      string
+				override       bool
+				expectedOutput string
+				shouldDelete   bool
+				expectError    bool
+			}{
+				name:           fmt.Sprintf("%s file with override", strings.ToUpper(filepath.Ext(testFile)[1:])),
+				inputFile:      testFile,
+				override:       true,
+				expectedOutput: filepath.Join(filepath.Dir(testFile), baseName+".cbz"),
+				shouldDelete:   true,
+				expectError:    false,
+			})
+		}
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Create a copy of the input file for this test
+			testFile := filepath.Join(tempDir, tt.name+"_"+filepath.Base(tt.inputFile))
+			data, err := os.ReadFile(tt.inputFile)
+			if err != nil {
+				t.Fatal(err)
+			}
+			err = os.WriteFile(testFile, data, 0644)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			// Setup options with real converter
+			options := &OptimizeOptions{
+				ChapterConverter: converterInstance,
+				Path:             testFile,
+				Quality:          85,
+				Override:         tt.override,
+				Split:            false,
+				Timeout:          0,
+			}
+
+			// Run optimization
+			err = Optimize(options)
+
+			if tt.expectError {
+				if err == nil {
+					t.Error("Expected error but got none")
+				}
+				return
+			}
+
+			if err != nil {
+				t.Fatalf("Unexpected error: %v", err)
+			}
+
+			// Determine expected output path for this test
+			expectedOutput := tt.expectedOutput
+			if tt.override && strings.HasSuffix(strings.ToLower(testFile), ".cbr") {
+				expectedOutput = strings.TrimSuffix(testFile, filepath.Ext(testFile)) + ".cbz"
+			} else if !tt.override {
+				if strings.HasSuffix(strings.ToLower(testFile), ".cbz") {
+					expectedOutput = strings.TrimSuffix(testFile, ".cbz") + "_converted.cbz"
+				} else if strings.HasSuffix(strings.ToLower(testFile), ".cbr") {
+					expectedOutput = strings.TrimSuffix(testFile, ".cbr") + "_converted.cbz"
+				}
+			} else {
+				expectedOutput = testFile
+			}
+
+			// Verify output file exists
+			if _, err := os.Stat(expectedOutput); os.IsNotExist(err) {
+				t.Errorf("Expected output file not found: %s", expectedOutput)
+			}
+
+			// Verify output is a valid CBZ with converted content
+			chapter, err := cbz.LoadChapter(expectedOutput)
+			if err != nil {
+				t.Errorf("Failed to load converted chapter: %v", err)
+			}
+
+			if !chapter.IsConverted {
+				t.Error("Chapter is not marked as converted")
+			}
+
+			// Verify all pages are in WebP format (real conversion indicator)
+			for i, page := range chapter.Pages {
+				if page.Extension != ".webp" {
+					t.Errorf("Page %d is not converted to WebP format (got: %s)", i, page.Extension)
+				}
+			}
+
+			// Verify original file deletion for CBR override
+			if tt.shouldDelete {
+				if _, err := os.Stat(testFile); !os.IsNotExist(err) {
+					t.Error("Original CBR file should have been deleted but still exists")
+				}
+			} else {
+				// Verify original file still exists (unless it's the same as output)
+				if testFile != expectedOutput {
+					if _, err := os.Stat(testFile); os.IsNotExist(err) {
+						t.Error("Original file should not have been deleted")
+					}
+				}
+			}
+
+			// Clean up output file
+			os.Remove(expectedOutput)
+		})
+	}
+}
+
+func TestOptimizeIntegration_AlreadyConverted(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	// Create temporary directory
+	tempDir, err := os.MkdirTemp("", "test_optimize_integration_converted")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer errs.CaptureGeneric(&err, os.RemoveAll, tempDir, "failed to remove temporary directory")
+
+	// Use a converted test file
+	testdataDir := "../../testdata"
+	if _, err := os.Stat(testdataDir); os.IsNotExist(err) {
+		t.Skip("testdata directory not found, skipping integration tests")
+	}
+
+	// Get the real webp converter
+	converterInstance, err := converter.Get(constant.WebP)
+	if err != nil {
+		t.Skip("WebP converter not available, skipping integration tests")
+	}
+
+	// Prepare the converter
+	err = converterInstance.PrepareConverter()
+	if err != nil {
+		t.Skip("Failed to prepare WebP converter, skipping integration tests")
+	}
+
+	var convertedFile string
+	err = filepath.Walk(testdataDir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() && strings.Contains(strings.ToLower(info.Name()), "converted") {
+			destPath := filepath.Join(tempDir, info.Name())
+			data, err := os.ReadFile(path)
+			if err != nil {
+				return err
+			}
+			err = os.WriteFile(destPath, data, info.Mode())
+			if err != nil {
+				return err
+			}
+			convertedFile = destPath
+			return filepath.SkipDir
+		}
+		return nil
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if convertedFile == "" {
+		t.Skip("No converted test file found")
+	}
+
+	options := &OptimizeOptions{
+		ChapterConverter: converterInstance,
+		Path:             convertedFile,
+		Quality:          85,
+		Override:         false,
+		Split:            false,
+		Timeout:          30 * time.Second,
+	}
+
+	err = Optimize(options)
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+
+	// Should not create a new file since it's already converted
+	expectedOutput := strings.TrimSuffix(convertedFile, ".cbz") + "_converted.cbz"
+	if _, err := os.Stat(expectedOutput); !os.IsNotExist(err) {
+		t.Error("Should not have created a new converted file for already converted chapter")
+	}
+}
+
+func TestOptimizeIntegration_InvalidFile(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	// Get the real webp converter
+	converterInstance, err := converter.Get(constant.WebP)
+	if err != nil {
+		t.Skip("WebP converter not available, skipping integration tests")
+	}
+
+	// Prepare the converter
+	err = converterInstance.PrepareConverter()
+	if err != nil {
+		t.Skip("Failed to prepare WebP converter, skipping integration tests")
+	}
+
+	options := &OptimizeOptions{
+		ChapterConverter: converterInstance,
+		Path:             "/nonexistent/file.cbz",
+		Quality:          85,
+		Override:         false,
+		Split:            false,
+		Timeout:          30 * time.Second,
+	}
+
+	err = Optimize(options)
+	if err == nil {
+		t.Error("Expected error for nonexistent file")
+	}
+}
+
+func TestOptimizeIntegration_Timeout(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	// Create temporary directory
+	tempDir, err := os.MkdirTemp("", "test_optimize_integration_timeout")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer errs.CaptureGeneric(&err, os.RemoveAll, tempDir, "failed to remove temporary directory")
+
+	// Copy test files
+	testdataDir := "../../testdata"
+	if _, err := os.Stat(testdataDir); os.IsNotExist(err) {
+		t.Skip("testdata directory not found, skipping integration tests")
+	}
+
+	// Get the real webp converter
+	converterInstance, err := converter.Get(constant.WebP)
+	if err != nil {
+		t.Skip("WebP converter not available, skipping integration tests")
+	}
+
+	// Prepare the converter
+	err = converterInstance.PrepareConverter()
+	if err != nil {
+		t.Skip("Failed to prepare WebP converter, skipping integration tests")
+	}
+
+	var cbzFile string
+	err = filepath.Walk(testdataDir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !info.IsDir() && strings.HasSuffix(strings.ToLower(info.Name()), ".cbz") && !strings.Contains(info.Name(), "converted") {
+			destPath := filepath.Join(tempDir, "test.cbz")
+			data, err := os.ReadFile(path)
+			if err != nil {
+				return err
+			}
+			err = os.WriteFile(destPath, data, info.Mode())
+			if err != nil {
+				return err
+			}
+			cbzFile = destPath
+			return filepath.SkipDir
+		}
+		return nil
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if cbzFile == "" {
+		t.Skip("No CBZ test file found")
+	}
+
+	// Test with short timeout to force timeout during conversion
+	options := &OptimizeOptions{
+		ChapterConverter: converterInstance,
+		Path:             cbzFile,
+		Quality:          85,
+		Override:         false,
+		Split:            false,
+		Timeout:          10 * time.Millisecond, // Very short timeout to force timeout
+	}
+
+	err = Optimize(options)
+	if err == nil {
+		t.Error("Expected timeout error but got none")
+	}
+
+	// Check that the error contains timeout information
+	if err != nil && !strings.Contains(err.Error(), "context deadline exceeded") && !strings.Contains(err.Error(), "timeout") {
+		t.Errorf("Expected timeout error message, got: %v", err)
+	}
+}

pkg/converter/converter_test.go

@@ -10,53 +10,48 @@ import (
 
 	"github.com/belphemur/CBZOptimizer/v2/internal/manga"
 	"github.com/belphemur/CBZOptimizer/v2/internal/utils/errs"
-	"github.com/belphemur/CBZOptimizer/v2/pkg/converter/constant"
-	"golang.org/x/exp/slices"
 )
 
 func TestConvertChapter(t *testing.T) {
 
 	testCases := []struct {
-		name                 string
-		genTestChapter       func(path string) (*manga.Chapter, error)
-		split                bool
-		expectFailure        []constant.ConversionFormat
-		expectPartialSuccess []constant.ConversionFormat
+		name           string
+		genTestChapter func(path string, isSplit bool) (*manga.Chapter, []string, error)
+		split          bool
+		expectError    bool
 	}{
 		{
-			name:                 "All split pages",
-			genTestChapter:       genHugePage,
-			split:                true,
-			expectFailure:        []constant.ConversionFormat{},
-			expectPartialSuccess: []constant.ConversionFormat{},
+			name:           "All split pages",
+			genTestChapter: genHugePage,
+			split:          true,
 		},
 		{
-			name:                 "Big Pages, no split",
-			genTestChapter:       genHugePage,
-			split:                false,
-			expectFailure:        []constant.ConversionFormat{constant.WebP},
-			expectPartialSuccess: []constant.ConversionFormat{},
+			name:           "Big Pages, no split",
+			genTestChapter: genHugePage,
+			split:          false,
+			expectError:    true,
 		},
 		{
-			name:                 "No split pages",
-			genTestChapter:       genSmallPages,
-			split:                false,
-			expectFailure:        []constant.ConversionFormat{},
-			expectPartialSuccess: []constant.ConversionFormat{},
+			name:           "No split pages",
+			genTestChapter: genSmallPages,
+			split:          false,
 		},
 		{
-			name:                 "Mix of split and no split pages",
-			genTestChapter:       genMixSmallBig,
-			split:                true,
-			expectFailure:        []constant.ConversionFormat{},
-			expectPartialSuccess: []constant.ConversionFormat{},
+			name:           "Mix of split and no split pages",
+			genTestChapter: genMixSmallBig,
+			split:          true,
 		},
 		{
-			name:                 "Mix of Huge and small page",
-			genTestChapter:       genMixSmallHuge,
-			split:                false,
-			expectFailure:        []constant.ConversionFormat{},
-			expectPartialSuccess: []constant.ConversionFormat{constant.WebP},
+			name:           "Mix of Huge and small page",
+			genTestChapter: genMixSmallHuge,
+			split:          false,
+			expectError:    true,
+		},
+		{
+			name:           "Two corrupted pages",
+			genTestChapter: genTwoCorrupted,
+			split:          false,
+			expectError:    true,
 		},
 	}
 	// Load test genTestChapter from testdata
@@ -74,7 +69,7 @@ func TestConvertChapter(t *testing.T) {
 		t.Run(converter.Format().String(), func(t *testing.T) {
 			for _, tc := range testCases {
 				t.Run(tc.name, func(t *testing.T) {
-					chapter, err := tc.genTestChapter(temp.Name())
+					chapter, expectedExtensions, err := tc.genTestChapter(temp.Name(), tc.split)
 					if err != nil {
 						t.Fatalf("failed to load test genTestChapter: %v", err)
 					}
@@ -86,31 +81,23 @@ func TestConvertChapter(t *testing.T) {
 					}
 
 					convertedChapter, err := converter.ConvertChapter(context.Background(), chapter, quality, tc.split, progress)
-					if err != nil {
-						if convertedChapter != nil && slices.Contains(tc.expectPartialSuccess, converter.Format()) {
-							t.Logf("Partial success to convert genTestChapter: %v", err)
-							return
-						}
-						if slices.Contains(tc.expectFailure, converter.Format()) {
-							t.Logf("Expected failure to convert genTestChapter: %v", err)
-							return
-						}
+					if err != nil && !tc.expectError {
 						t.Fatalf("failed to convert genTestChapter: %v", err)
-					} else if slices.Contains(tc.expectFailure, converter.Format()) {
-						t.Fatalf("expected failure to convert genTestChapter didn't happen")
 					}
 
 					if len(convertedChapter.Pages) == 0 {
 						t.Fatalf("no pages were converted")
 					}
 
-					if len(convertedChapter.Pages) != len(chapter.Pages) {
-						t.Fatalf("converted chapter has different number of pages")
+					if len(convertedChapter.Pages) != len(expectedExtensions) {
+						t.Fatalf("converted chapter has %d pages but expected %d", len(convertedChapter.Pages), len(expectedExtensions))
 					}
 
-					for _, page := range convertedChapter.Pages {
-						if page.Extension != ".webp" {
-							t.Errorf("page %d was not converted to webp format", page.Index)
+					// Check each page's extension against the expected array
+					for i, page := range convertedChapter.Pages {
+						expectedExt := expectedExtensions[i]
+						if page.Extension != expectedExt {
+							t.Errorf("page %d has extension %s but expected %s", page.Index, page.Extension, expectedExt)
 						}
 					}
 				})
@@ -119,39 +106,43 @@ func TestConvertChapter(t *testing.T) {
 	}
 }
 
-func genHugePage(path string) (*manga.Chapter, error) {
+func genHugePage(path string, isSplit bool) (*manga.Chapter, []string, error) {
 	file, err := os.Open(path)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 	defer errs.Capture(&err, file.Close, "failed to close file")
 
 	var pages []*manga.Page
-	for i := 0; i < 1; i++ { // Assuming there are 5 pages for the test
-		img := image.NewRGBA(image.Rect(0, 0, 1, 17000))
-		buf := new(bytes.Buffer)
-		err := jpeg.Encode(buf, img, nil)
-		if err != nil {
-			return nil, err
-		}
-		page := &manga.Page{
-			Index:     uint16(i),
-			Contents:  buf,
-			Extension: ".jpg",
-		}
-		pages = append(pages, page)
+	expectedExtensions := []string{".jpg"} // One image that's generated as JPEG
+	if isSplit {
+		expectedExtensions = []string{".webp", ".webp", ".webp", ".webp", ".webp", ".webp", ".webp", ".webp", ".webp"}
 	}
 
+	// Create one tall page
+	img := image.NewRGBA(image.Rect(0, 0, 1, 17000))
+	buf := new(bytes.Buffer)
+	err = jpeg.Encode(buf, img, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+	page := &manga.Page{
+		Index:     0,
+		Contents:  buf,
+		Extension: ".jpg",
+	}
+	pages = append(pages, page)
+
 	return &manga.Chapter{
 		FilePath: path,
 		Pages:    pages,
-	}, nil
+	}, expectedExtensions, nil
 }
 
-func genSmallPages(path string) (*manga.Chapter, error) {
+func genSmallPages(path string, isSplit bool) (*manga.Chapter, []string, error) {
 	file, err := os.Open(path)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 	defer errs.Capture(&err, file.Close, "failed to close file")
 
@@ -159,9 +150,9 @@ func genSmallPages(path string) (*manga.Chapter, error) {
 	for i := 0; i < 5; i++ { // Assuming there are 5 pages for the test
 		img := image.NewRGBA(image.Rect(0, 0, 300, 1000))
 		buf := new(bytes.Buffer)
-		err := jpeg.Encode(buf, img, nil)
+		err = jpeg.Encode(buf, img, nil)
 		if err != nil {
-			return nil, err
+			return nil, nil, err
 		}
 		page := &manga.Page{
 			Index:     uint16(i),
@@ -174,13 +165,13 @@ func genSmallPages(path string) (*manga.Chapter, error) {
 	return &manga.Chapter{
 		FilePath: path,
 		Pages:    pages,
-	}, nil
+	}, []string{".webp", ".webp", ".webp", ".webp", ".webp"}, nil
 }
 
-func genMixSmallBig(path string) (*manga.Chapter, error) {
+func genMixSmallBig(path string, isSplit bool) (*manga.Chapter, []string, error) {
 	file, err := os.Open(path)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 	defer errs.Capture(&err, file.Close, "failed to close file")
 
@@ -190,7 +181,7 @@ func genMixSmallBig(path string) (*manga.Chapter, error) {
 		buf := new(bytes.Buffer)
 		err := jpeg.Encode(buf, img, nil)
 		if err != nil {
-			return nil, err
+			return nil, nil, err
 		}
 		page := &manga.Page{
 			Index:     uint16(i),
@@ -199,17 +190,21 @@ func genMixSmallBig(path string) (*manga.Chapter, error) {
 		}
 		pages = append(pages, page)
 	}
+	expectedExtensions := []string{".webp", ".webp", ".webp", ".webp", ".webp"}
+	if isSplit {
+		expectedExtensions = []string{".webp", ".webp", ".webp", ".webp", ".webp", ".webp", ".webp", ".webp"}
+	}
 
 	return &manga.Chapter{
 		FilePath: path,
 		Pages:    pages,
-	}, nil
+	}, expectedExtensions, nil
 }
 
-func genMixSmallHuge(path string) (*manga.Chapter, error) {
+func genMixSmallHuge(path string, isSplit bool) (*manga.Chapter, []string, error) {
 	file, err := os.Open(path)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
 	}
 	defer errs.Capture(&err, file.Close, "failed to close file")
 
@@ -219,7 +214,7 @@ func genMixSmallHuge(path string) (*manga.Chapter, error) {
 		buf := new(bytes.Buffer)
 		err := jpeg.Encode(buf, img, nil)
 		if err != nil {
-			return nil, err
+			return nil, nil, err
 		}
 		page := &manga.Page{
 			Index:     uint16(i),
@@ -232,5 +227,55 @@ func genMixSmallHuge(path string) (*manga.Chapter, error) {
 	return &manga.Chapter{
 		FilePath: path,
 		Pages:    pages,
-	}, nil
+	}, []string{".webp", ".webp", ".webp", ".webp", ".webp", ".webp", ".webp", ".webp", ".jpg", ".jpg"}, nil
+}
+
+func genTwoCorrupted(path string, isSplit bool) (*manga.Chapter, []string, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer errs.Capture(&err, file.Close, "failed to close file")
+
+	var pages []*manga.Page
+	numPages := 5
+	corruptedIndices := []int{2, 4} // Pages 2 and 4 are too tall to convert without splitting
+	for i := 0; i < numPages; i++ {
+		var buf *bytes.Buffer
+		var ext string
+		isCorrupted := false
+		for _, ci := range corruptedIndices {
+			if i == ci {
+				isCorrupted = true
+				break
+			}
+		}
+		if isCorrupted {
+			buf = bytes.NewBufferString("corrupted data") // Invalid data, can't decode as image
+			ext = ".jpg"
+		} else {
+			img := image.NewRGBA(image.Rect(0, 0, 300, 1000))
+			buf = new(bytes.Buffer)
+			err = jpeg.Encode(buf, img, nil)
+			if err != nil {
+				return nil, nil, err
+			}
+			ext = ".jpg"
+		}
+		page := &manga.Page{
+			Index:     uint16(i),
+			Contents:  buf,
+			Extension: ext,
+		}
+		pages = append(pages, page)
+	}
+
+	// Expected: small pages to .webp, corrupted pages to .jpg (kept as is)
+	expectedExtensions := []string{".webp", ".webp", ".jpg", ".webp", ".jpg"}
+	// Even with split, corrupted pages can't be decoded so stay as is
+
+	return &manga.Chapter{
+		FilePath: path,
+		Pages:    pages,
+	}, expectedExtensions, nil
 }

pkg/converter/webp/webp_converter.go

@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"image"
+	_ "image/gif"
 	_ "image/jpeg"
 	"image/png"
 	"runtime"
@@ -146,9 +147,10 @@ func (converter *Converter) ConvertChapter(ctx context.Context, chapter *manga.C
 					convertedPage.Page.Size = uint64(buffer.Len())
 				}
 				pagesMutex.Lock()
+				defer pagesMutex.Unlock()
 				pages = append(pages, convertedPage.Page)
-				progress(fmt.Sprintf("Converted %d/%d pages to %s format", len(pages), totalPages, converter.Format()), uint32(len(pages)), totalPages)
-				pagesMutex.Unlock()
+				currentTotalPages := atomic.LoadUint32(&totalPages)
+				progress(fmt.Sprintf("Converted %d/%d pages to %s format", len(pages), currentTotalPages, converter.Format()), uint32(len(pages)), currentTotalPages)
 			}(page)
 		}
 	}()
@@ -167,19 +169,24 @@ func (converter *Converter) ConvertChapter(ctx context.Context, chapter *manga.C
 
 			splitNeeded, img, format, err := converter.checkPageNeedsSplit(page, split)
 			if err != nil {
+				var pageIgnoredError *converterrors.PageIgnoredError
+				if errors.As(err, &pageIgnoredError) {
+					log.Info().Err(err).Msg("Page ignored due to image decode error")
+				}
+
 				select {
 				case errChan <- err:
 				case <-ctx.Done():
 					return
 				}
-				if img != nil {
-					wgConvertedPages.Add(1)
-					select {
-					case pagesChan <- manga.NewContainer(page, img, format, false):
-					case <-ctx.Done():
-						return
-					}
+
+				wgConvertedPages.Add(1)
+				select {
+				case pagesChan <- manga.NewContainer(page, img, format, false):
+				case <-ctx.Done():
+					return
 				}
+
 				return
 			}
 
@@ -258,6 +265,7 @@ func (converter *Converter) ConvertChapter(ctx context.Context, chapter *manga.C
 		log.Debug().
 			Str("chapter", chapter.FilePath).
 			Int("error_count", len(errList)).
+			Err(errors.Join(errList...)).
 			Msg("Conversion completed with errors")
 	} else {
 		log.Debug().
@@ -357,7 +365,7 @@ func (converter *Converter) checkPageNeedsSplit(page *manga.Page, splitRequested
 	img, format, err := image.Decode(reader)
 	if err != nil {
 		log.Debug().Uint16("page_index", page.Index).Err(err).Msg("Failed to decode page image")
-		return false, nil, format, err
+		return false, nil, format, converterrors.NewPageIgnored(fmt.Sprintf("page %d: failed to decode image (%s)", page.Index, err.Error()))
 	}
 
 	bounds := img.Bounds()

pkg/converter/webp/webp_converter_test.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"image"
 	"image/color"
+	"image/gif"
 	"image/jpeg"
 	"image/png"
 	"sync"
@@ -44,6 +45,11 @@ func encodeImage(img image.Image, format string) (*bytes.Buffer, string, error)
 			return nil, "", err
 		}
 		return buf, ".jpg", nil
+	case "gif":
+		if err := gif.Encode(buf, img, nil); err != nil {
+			return nil, "", err
+		}
+		return buf, ".gif", nil
 	case "webp":
 		PrepareEncoder()
 		if err := Encode(buf, img, 80); err != nil {
@@ -131,10 +137,23 @@ func TestConverter_ConvertChapter(t *testing.T) {
 			pages: []*manga.Page{
 				createTestPage(t, 1, 800, 1200, "png"),
 				createTestPage(t, 2, 800, 1200, "jpeg"),
+				createTestPage(t, 3, 800, 1200, "gif"),
 			},
 			split:       false,
 			expectSplit: false,
-			numExpected: 2,
+			numExpected: 3,
+		},
+		{
+			name: "Multiple normal images with webp",
+			pages: []*manga.Page{
+				createTestPage(t, 1, 800, 1200, "png"),
+				createTestPage(t, 2, 800, 1200, "jpeg"),
+				createTestPage(t, 3, 800, 1200, "gif"),
+				createTestPage(t, 4, 800, 1200, "webp"),
+			},
+			split:       false,
+			expectSplit: false,
+			numExpected: 4,
 		},
 		{
 			name:        "Tall image with split enabled",
@@ -229,24 +248,35 @@ func TestConverter_convertPage(t *testing.T) {
 		format          string
 		isToBeConverted bool
 		expectWebP      bool
+		expectError     bool
 	}{
 		{
 			name:            "Convert PNG to WebP",
 			format:          "png",
 			isToBeConverted: true,
 			expectWebP:      true,
+			expectError:     false,
+		},
+		{
+			name:            "Convert GIF to WebP",
+			format:          "gif",
+			isToBeConverted: true,
+			expectWebP:      true,
+			expectError:     false,
 		},
 		{
 			name:            "Already WebP",
 			format:          "webp",
 			isToBeConverted: true,
 			expectWebP:      true,
+			expectError:     false,
 		},
 		{
 			name:            "Skip conversion",
 			format:          "png",
 			isToBeConverted: false,
 			expectWebP:      false,
+			expectError:     false,
 		},
 	}
 
@@ -258,19 +288,48 @@ func TestConverter_convertPage(t *testing.T) {
 			container := manga.NewContainer(page, img, tt.format, tt.isToBeConverted)
 
 			converted, err := converter.convertPage(container, 80)
-			require.NoError(t, err)
-			assert.NotNil(t, converted)
 
-			if tt.expectWebP {
-				assert.Equal(t, ".webp", converted.Page.Extension)
-				validateConvertedImage(t, converted.Page)
+			if tt.expectError {
+				assert.Error(t, err)
+				assert.Nil(t, converted)
 			} else {
-				assert.NotEqual(t, ".webp", converted.Page.Extension)
+				require.NoError(t, err)
+				assert.NotNil(t, converted)
+
+				if tt.expectWebP {
+					assert.Equal(t, ".webp", converted.Page.Extension)
+					validateConvertedImage(t, converted.Page)
+				} else {
+					assert.NotEqual(t, ".webp", converted.Page.Extension)
+				}
 			}
 		})
 	}
 }
 
+func TestConverter_convertPage_EncodingError(t *testing.T) {
+	converter := New()
+	err := converter.PrepareConverter()
+	require.NoError(t, err)
+
+	// Create a test case with nil image to test encoding error path
+	// when isToBeConverted is true but the image is nil, simulating a failure in the encoding step
+	corruptedPage := &manga.Page{
+		Index:     1,
+		Contents:  &bytes.Buffer{}, // Empty buffer
+		Extension: ".png",
+		Size:      0,
+	}
+
+	container := manga.NewContainer(corruptedPage, nil, "png", true)
+
+	converted, err := converter.convertPage(container, 80)
+
+	// This should return nil container and error because encoding will fail with nil image
+	assert.Error(t, err)
+	assert.Nil(t, converted)
+}
+
 func TestConverter_checkPageNeedsSplit(t *testing.T) {
 	converter := New()
 
@@ -333,8 +392,8 @@ func TestConverter_ConvertChapter_Timeout(t *testing.T) {
 	// Create a test chapter with a few pages
 	pages := []*manga.Page{
 		createTestPage(t, 1, 800, 1200, "jpeg"),
-		createTestPage(t, 2, 800, 1200, "jpeg"),
-		createTestPage(t, 3, 800, 1200, "jpeg"),
+		createTestPage(t, 2, 800, 1200, "png"),
+		createTestPage(t, 3, 800, 1200, "gif"),
 	}
 
 	chapter := &manga.Chapter{

pkg/converter/webp/webp_provider.go

@@ -1,20 +1,44 @@
 package webp
 
 import (
-	"github.com/belphemur/go-webpbin/v2"
+	"fmt"
 	"image"
 	"io"
+	"strings"
+	"sync"
+
+	"github.com/belphemur/go-webpbin/v2"
 )
 
 const libwebpVersion = "1.6.0"
 
-func PrepareEncoder() error {
-	webpbin.SetLibVersion(libwebpVersion)
-	container := webpbin.NewCWebP()
-	return container.BinWrapper.Run()
+var config = webpbin.NewConfig()
+
+var prepareMutex sync.Mutex
+
+func init() {
+	config.SetLibVersion(libwebpVersion)
 }
+
+func PrepareEncoder() error {
+	prepareMutex.Lock()
+	defer prepareMutex.Unlock()
+
+	container := webpbin.NewCWebP(config)
+	version, err := container.Version()
+	if err != nil {
+		return err
+	}
+
+	if !strings.HasPrefix(version, libwebpVersion) {
+		return fmt.Errorf("unexpected webp version: got %s, want %s", version, libwebpVersion)
+	}
+
+	return nil
+}
+
 func Encode(w io.Writer, m image.Image, quality uint) error {
-	return webpbin.NewCWebP().
+	return webpbin.NewCWebP(config).
 		Quality(quality).
 		InputImage(m).
 		Output(w).