package metadata

import (
	"log"
	"os"
	"path/filepath"
	"strings"

	"git.meatbag.se/varl/subsyt/internal/dl"
	"git.meatbag.se/varl/subsyt/internal/model"
)

func NormalizeEpisodeThumbnail(name string) string {
	lower := strings.ToLower(name)
	if strings.Contains(lower, "-thumb") {
		return name
	}

	ext := filepath.Ext(name)
	switch strings.ToLower(ext) {
	case ".jpg", ".jpeg":
		base := strings.TrimSuffix(name, ext)
		return base + "-thumb" + ext
	}
	return name
}

func EnsureBanner(show model.Show, destDir string, dryRun bool) {
	bannerPath := filepath.Join(destDir, "banner.jpg")
	if _, err := os.Stat(bannerPath); err == nil {
		log.Printf("%s has a banner, skipping download\n", show.Title)
		return
	}

	if dryRun {
		log.Printf("[dry-run] would download banner for %s\n", show.Title)
		return
	}

	for index, thumb := range show.Thumbnails {
		log.Println(index, thumb)
		if thumb.Id == "banner_uncropped" {
			log.Println("found banner candidate")
			dl.Fetch(dl.Download{
				Url:    thumb.Url,
				OutDir: destDir,
				Name:   "banner.jpg",
			})
			return
		}
	}
}

func EnsureFanart(show model.Show, destDir string, dryRun bool) {
	fanartPath := filepath.Join(destDir, "fanart.jpg")
	if _, err := os.Stat(fanartPath); err == nil {
		log.Printf("%s has fanart, skipping download\n", show.Title)
		return
	}

	if dryRun {
		log.Printf("[dry-run] would download fanart for %s\n", show.Title)
		return
	}

	c := model.Thumbnail{}
	for index, thumb := range show.Thumbnails {
		log.Println(index, thumb)
		if thumb.Width > c.Width {
			log.Println("found fanart candidate", thumb)
			c = thumb
		}
	}

	if c.Url == "" {
		log.Printf("no fanart candidate for %s\n", show.Title)
		return
	}

	dl.Fetch(dl.Download{
		Url:    c.Url,
		OutDir: destDir,
		Name:   "fanart.jpg",
	})
}