using System.Collections.Generic;
using System.Text.Json;
using Jellyfin.Plugin.Floatplane.Api.Models;
using Jellyfin.Plugin.Floatplane.Channel;
using Xunit;

namespace Jellyfin.Plugin.Floatplane.Tests;

public class AllVideosTests
{
    [Theory]
    [InlineData("post:SSvhppI28t", "SSvhppI28t")]
    [InlineData("cpost:64135da7ce81077a8480c679:SSvhppI28t", "SSvhppI28t")]
    [InlineData("creator:59f94c0bdd241b70349eb72b", null)]
    [InlineData("all:59f94c0bdd241b70349eb72b", null)]
    [InlineData("channel:a:b", null)]
    [InlineData("cpost:nochannel", null)]
    [InlineData("", null)]
    [InlineData(null, null)]
    public void PostIdOf_ParsesBothItemIdForms(string? externalId, string? expected)
    {
        Assert.Equal(expected, FloatplaneChannel.PostIdOf(externalId));
    }

    [Fact]
    public void ToItem_UsesCanonicalIdByDefault_AndChannelPrefixWhenAsked()
    {
        var posts = Fixture.Json<List<PostModel>>("content-creator.json");
        var post = posts[0];

        var canonical = FloatplaneChannel.ToItem(post, null);
        var inChannel = FloatplaneChannel.ToItem(post, null, true, "cpost:" + post.Channel!.Id + ":");

        Assert.Equal("post:" + post.Id, canonical.Id);
        Assert.Equal("cpost:" + post.Channel.Id + ":" + post.Id, inChannel.Id);
        Assert.Equal(canonical.Name, inChannel.Name);
        Assert.Equal(post.Id, FloatplaneChannel.PostIdOf(canonical.Id));
        Assert.Equal(post.Id, FloatplaneChannel.PostIdOf(inChannel.Id));
        Assert.NotEqual(FloatplaneChannel.DeterministicGuid(canonical.Id), FloatplaneChannel.DeterministicGuid(inChannel.Id));
    }
}

public class SortNameTests
{
    [Fact]
    public void NewerReleaseSortsFirstUnderAscendingNameOrder()
    {
        var older = SortNameUpdater.SortNameFor(new System.DateTime(2026, 10, 1, 0, 0, 0, System.DateTimeKind.Utc));
        var newer = SortNameUpdater.SortNameFor(new System.DateTime(2026, 10, 24, 18, 24, 0, System.DateTimeKind.Utc));
        Assert.Equal(13, older.Length);
        Assert.Equal(13, newer.Length);
        Assert.True(string.CompareOrdinal(newer, older) < 0, "newer must sort before older");
        Assert.Equal(13, SortNameUpdater.SortNameFor(null).Length);
    }
}