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using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Lyrics;
using MediaBrowser.Controller.Resolvers;
namespace MediaBrowser.Providers.Lyric;
/// <summary>
/// TXT Lyric Provider.
/// </summary>
public class TxtLyricProvider : ILyricProvider
{
/// <inheritdoc />
public string Name => "TxtLyricProvider";
/// <summary>
/// Gets the priority.
/// </summary>
/// <value>The priority.</value>
public ResolverPriority Priority => ResolverPriority.Second;
/// <inheritdoc />
public IReadOnlyCollection<string> SupportedMediaTypes { get; } = new[] { "lrc", "elrc", "txt" };
/// <summary>
/// Opens lyric file for the requested item, and processes it for API return.
/// </summary>
/// <param name="item">The item to to process.</param>
/// <returns>If provider can determine lyrics, returns a <see cref="LyricResponse"/>; otherwise, null.</returns>
public async Task<LyricResponse?> GetLyrics(BaseItem item)
{
string? lyricFilePath = this.GetLyricFilePath(item.Path);
if (string.IsNullOrEmpty(lyricFilePath))
{
return null;
}
string[] lyricTextLines = await Task.FromResult(File.ReadAllLines(lyricFilePath)).ConfigureAwait(false);
if (lyricTextLines.Length == 0)
{
return null;
}
LyricLine[] lyricList = new LyricLine[lyricTextLines.Length];
for (int lyricLine = 0; lyricLine < lyricTextLines.Length; lyricLine++)
{
lyricList[lyricLine] = new LyricLine(lyricTextLines[lyricLine]);
}
return new LyricResponse { Lyrics = lyricList };
}
}
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