package ytdlp

import (
	"context"
	"crypto/sha1"
	"encoding/base64"

	"git.kmsign.ru/royalcat/tstor/pkg/ytdlp"
	"github.com/royalcat/ctxprogress"
)

type ytdlpSource struct {
	Url string `json:"url"`
}

var hasher = sha1.New()

func (s *ytdlpSource) Name() string {
	return base64.URLEncoding.EncodeToString(hasher.Sum([]byte(s.Url)))
}

func (s *ytdlpSource) Download(ctx context.Context, task TaskUpdater, dir string) error {
	client, err := ytdlp.New()
	if err != nil {
		return err
	}
	ctxprogress.New(ctx)
	ctxprogress.Set(ctx, ctxprogress.RangeProgress{Current: 0, Total: 2})
	plst, err := client.Playlist(ctx, s.Url)
	ctxprogress.Set(ctx, ctxprogress.RangeProgress{Current: 1, Total: 2})
	ctxprogress.Range(ctx, plst, func(ctx context.Context, _ int, e ytdlp.PlaylistEntry) bool {
		err = client.Download(ctx, e.Url(), dir)
		if err != nil {
			return false
		}
		return true
	})
	ctxprogress.Set(ctx, ctxprogress.RangeProgress{Current: 2, Total: 2})
	if err != nil {
		return err
	}

	return nil
}