using System;
using System.Collections.Generic;
using Jellyfin.Plugin.Floatplane.Api.Models;
using Jellyfin.Plugin.Floatplane.Channel;
using MediaBrowser.Controller.Channels;
using MediaBrowser.Model.Channels;
using Xunit;

namespace Jellyfin.Plugin.Floatplane.Tests;

public class ChannelMappingTests
{
    private static PostModel FirstPost() => Fixture.Json<List<PostModel>>("content-creator.json")[0];

    [Fact]
    public void ToItem_maps_post_fields()
    {
        var post = FirstPost();
        var creator = new CreatorModel { Id = "59f94c0bdd241b70349eb72b", Title = "LinusTechTips", Urlname = "linustechtips" };

        var item = FloatplaneChannel.ToItem(post, creator);

        Assert.Equal("post:SSvhppI28t", item.Id);
        Assert.Equal(post.Title, item.Name);
        Assert.Equal(ChannelItemType.Media, item.Type);
        Assert.Equal(ChannelMediaType.Video, item.MediaType);
        Assert.Equal(ChannelMediaContentType.Clip, item.ContentType);
        Assert.Equal(1104 * TimeSpan.TicksPerSecond, item.RunTimeTicks);
        Assert.NotNull(item.PremiereDate);
        Assert.Equal(new DateTime(2026, 10, 24, 18, 24, 0, 36, DateTimeKind.Utc), item.PremiereDate!.Value);
        Assert.Equal(2026, item.ProductionYear);
        Assert.EndsWith("_1200x675.jpeg", item.ImageUrl);
        Assert.Contains("ShortCircuit", item.Genres);
        Assert.Contains("LinusTechTips", item.Studios);
        Assert.Equal("https://www.floatplane.com/post/SSvhppI28t", item.HomePageUrl);
        Assert.Equal("SSvhppI28t", item.ProviderIds["Floatplane"]);
        Assert.Equal("Sample description.", item.Overview);
        Assert.NotNull(item.CommunityRating);
    }

    [Fact]
    public void ToItem_prefixes_locked_posts()
    {
        var post = FirstPost();
        post.IsAccessible = false;

        var item = FloatplaneChannel.ToItem(post, null);

        Assert.StartsWith("🔒 ", item.Name);
        Assert.Empty(item.Studios);
    }

    [Fact]
    public void ToItem_uses_stripped_html_when_markdown_missing()
    {
        var post = FirstPost();
        post.TextMarkdown = null;
        post.Text = "<p>First <b>bold</b> line.</p><p>Second &amp; third</p>";

        var item = FloatplaneChannel.ToItem(post, null);

        Assert.Equal("First bold line.\nSecond & third", item.Overview);
    }

    [Fact]
    public void StripHtml_converts_breaks_and_entities()
    {
        var text = FloatplaneChannel.StripHtml("<p>One<br/>Two</p><p>Three &lt;x&gt;</p><ul><li>a</li><li>b</li></ul>");

        Assert.Equal("One\nTwo\nThree <x>\na\nb", text);
    }

    [Fact]
    public void DeterministicGuid_is_stable_and_distinct()
    {
        var a = FloatplaneChannel.DeterministicGuid("post:abc");
        var b = FloatplaneChannel.DeterministicGuid("post:abc");
        var c = FloatplaneChannel.DeterministicGuid("post:abd");

        Assert.Equal(a, b);
        Assert.NotEqual(a, c);
        Assert.NotEqual(Guid.Empty, a);
    }
}