using System.Net;
using YandexMusic.API.Models.Playlist;

namespace YandexMusic.API.Requests.Playlist;

internal class YPlaylistChangeBuilder : YMusicRequestBuilder<YPlaylist?, (YPlaylist playlist, IEnumerable<YPlaylistChange> changes)>
{
    public YPlaylistChangeBuilder(YandexMusicApi api) : base(api) { }
    protected override string Method => WebRequestMethods.Http.Post;
    protected override string PathTemplate => "users/{uid}/playlists/{kind}/change";
    protected override Dictionary<string, string> GetSubstitutions((YPlaylist playlist, IEnumerable<YPlaylistChange> changes) tuple)
        => new() { { "uid", Api.Storage.User.Uid }, { "kind", tuple.playlist.Kind } };
    protected override HttpContent? GetContent((YPlaylist playlist, IEnumerable<YPlaylistChange> changes) tuple)
        => new FormUrlEncodedContent(new Dictionary<string, string>
        {
            { "kind", tuple.playlist.Kind },
            { "revision", tuple.playlist.Revision.ToString() },
            { "diff", SerializeJson(tuple.changes) }
        });
}