refactor: update import paths to use internal package

pkg/converter/converter.go

@@ -0,0 +1,43 @@
+package converter
+
+import (
+	"fmt"
+	"github.com/belphemur/CBZOptimizer/v2/internal/manga"
+	"github.com/belphemur/CBZOptimizer/v2/pkg/converter/constant"
+	"github.com/belphemur/CBZOptimizer/v2/pkg/converter/webp"
+	"github.com/samber/lo"
+	"strings"
+)
+
+type Converter interface {
+	// Format of the converter
+	Format() (format constant.ConversionFormat)
+	// ConvertChapter converts a manga chapter to the specified format.
+	//
+	// Returns partial success where some pages are converted and some are not.
+	ConvertChapter(chapter *manga.Chapter, quality uint8, split bool, progress func(message string, current uint32, total uint32)) (*manga.Chapter, error)
+	PrepareConverter() error
+}
+
+var converters = map[constant.ConversionFormat]Converter{
+	constant.WebP: webp.New(),
+}
+
+// Available returns a list of available converters.
+func Available() []constant.ConversionFormat {
+	return lo.Keys(converters)
+}
+
+// Get returns a packer by name.
+// If the packer is not available, an error is returned.
+var Get = getConverter
+
+func getConverter(name constant.ConversionFormat) (Converter, error) {
+	if converter, ok := converters[name]; ok {
+		return converter, nil
+	}
+
+	return nil, fmt.Errorf("unkown converter \"%s\", available options are %s", name, strings.Join(lo.Map(Available(), func(item constant.ConversionFormat, index int) string {
+		return item.String()
+	}), ", "))
+}