using System.Reflection;
using LiveRecorder.Application.Abstractions.Platforms;
using LiveRecorder.Application.Services;
using LiveRecorder.Domain.Enums;

namespace LiveRecorder.Tests;

public sealed class LiveRoomServiceLocalParsingTests
{
    [Theory]
    [InlineData("https://www.huya.com/660000", LivePlatformType.Huya, "660000", "https://www.huya.com/660000")]
    [InlineData("https://www.douyu.com/9999", LivePlatformType.Douyu, "9999", "https://www.douyu.com/9999")]
    [InlineData("https://live.kuaishou.com/u/3xabc123", LivePlatformType.Kuaishou, "u/3xabc123", "https://live.kuaishou.com/u/3xabc123")]
    [InlineData("https://www.tiktok.com/@creator/live", LivePlatformType.TikTok, "creator", "https://www.tiktok.com/@creator/live")]
    [InlineData("https://www.xiaohongshu.com/live/room-100", LivePlatformType.Xiaohongshu, "live/room-100", "https://www.xiaohongshu.com/live/room-100")]
    [InlineData("https://www.youtube.com/watch?v=abcDEF12345", LivePlatformType.YouTube, "abcDEF12345", "https://www.youtube.com/watch?v=abcDEF12345")]
    [InlineData("https://www.twitch.tv/some_channel", LivePlatformType.Twitch, "some_channel", "https://www.twitch.tv/some_channel")]
    [InlineData("https://www.pandalive.co.kr/live/room77", LivePlatformType.PandaTV, "live/room77", "https://www.pandalive.co.kr/live/room77")]
    [InlineData("https://www.miguvideo.com/live/8888", LivePlatformType.Migu, "live/8888", "https://www.miguvideo.com/live/8888")]
    public void ParseRoomLocally_parses_supported_urls(
        string input,
        LivePlatformType expectedPlatform,
        string expectedRoomId,
        string expectedNormalizedUrl)
    {
        var parsed = ParseRoomLocally(input, platformOverride: null);

        Assert.Equal(expectedPlatform, parsed.PlatformType);
        Assert.Equal(expectedRoomId, parsed.RoomId);
        Assert.Equal(expectedNormalizedUrl, parsed.NormalizedUrl);
    }

    [Theory]
    [InlineData("some_channel", LivePlatformType.Twitch, "some_channel", "https://www.twitch.tv/some_channel")]
    [InlineData("abcDEF12345", LivePlatformType.YouTube, "abcDEF12345", "https://www.youtube.com/watch?v=abcDEF12345")]
    public void ParseRoomLocally_supports_direct_ids_with_platform_override(
        string input,
        LivePlatformType platformOverride,
        string expectedRoomId,
        string expectedNormalizedUrl)
    {
        var parsed = ParseRoomLocally(input, platformOverride);

        Assert.Equal(platformOverride, parsed.PlatformType);
        Assert.Equal(expectedRoomId, parsed.RoomId);
        Assert.Equal(expectedNormalizedUrl, parsed.NormalizedUrl);
    }

    [Fact]
    public void ParseRoomLocally_requires_detection_when_platform_cannot_be_inferred()
    {
        var exception = Assert.Throws<NotSupportedException>(() => ParseRoomLocally("creator-room", platformOverride: null));
        Assert.Contains("Unable to infer the platform", exception.Message);
    }

    private static ParsedLiveRoom ParseRoomLocally(string input, LivePlatformType? platformOverride)
    {
        var method = typeof(LiveRoomService).GetMethod("ParseRoomLocally", BindingFlags.NonPublic | BindingFlags.Static)
            ?? throw new InvalidOperationException("ParseRoomLocally reflection lookup failed.");

        try
        {
            return (ParsedLiveRoom)(method.Invoke(null, [input, platformOverride]) ??
                throw new InvalidOperationException("ParseRoomLocally returned null."));
        }
        catch (TargetInvocationException ex) when (ex.InnerException is not null)
        {
            throw ex.InnerException;
        }
    }
}