using AcDream.Plugin.Abstractions;

namespace OpenAC.MosswartMassacre.Tests;

public sealed class HostReadingsTests
{
    [Theory]
    // The original's (long)((1.00 - (v + 0.0000001f)) * 100 + 0.5f).
    [InlineData(1f, 0)]
    [InlineData(0.95f, 5)]
    [InlineData(0.9f, 10)]
    [InlineData(0.6f, 40)]
    // 0.995 plus the nudge is just over 0.995 as a float: the rounding lands on 0.
    [InlineData(0.995f, 0)]
    public void Vitae_is_the_penalty_in_percent_as_the_original_rounded_it(float multiplier, int expected) =>
        Assert.Equal(expected, HostReadings.VitaePercent(multiplier));

    [Fact]
    public void The_vitals_frame_carries_the_vitae_penalty()
    {
        using var harness = new PluginHarness("Mossy");
        harness.Host.Automation.Character.VitaeMultiplier = 0.95f;
        harness.Host.Automation.Character.MaxHealth = 10;
        harness.Login();
        harness.Frames.Clear();

        harness.Feature<OpenAC.MosswartMassacre.Streams.VitalsStream>().SendNow();

        Assert.EndsWith(",\"vitae\":5}", Assert.Single(harness.Frames), StringComparison.Ordinal);
    }

    [Fact]
    public void Titles_are_null_until_listed_then_names_in_order_and_the_current_id()
    {
        var character = new Fakes.FakeCharacter();
        Assert.Null(HostReadings.Titles(character));
        Assert.Null(HostReadings.CurrentTitle(character));

        character.Titles = [new PluginCharacterTitle(7, "Adventurer"), new PluginCharacterTitle(3, "Sawato Resident")];
        character.CurrentTitleId = 3;

        Assert.Equal(["Adventurer", "Sawato Resident"], HostReadings.Titles(character));
        Assert.Equal(3, HostReadings.CurrentTitle(character));
    }

    [Fact]
    public void Allegiance_maps_monarch_patron_rank_and_followers()
    {
        var automation = new Fakes.FakeAutomation();
        Assert.Null(HostReadings.Allegiance(automation));

        automation.Allegiance.Snapshot = new PluginAllegianceSnapshot(1, true, "Mossy Club", 3u, 40u, 17u, 5u)
        {
            Monarch = new PluginAllegianceMember(5u, "King", 8u, 200u, 1, 2, true),
        };

        var summary = HostReadings.Allegiance(automation)!.Value;
        Assert.Equal("Mossy Club", summary.Name);
        Assert.Equal(new OpenAC.MosswartMassacre.Streams.AllegianceMember("King", 1, 8, 2), summary.Monarch);
        Assert.Null(summary.Patron);
        Assert.Equal(3, summary.Rank);
        Assert.Equal(17, summary.Followers);
    }

    [Fact]
    public void Meta_state_comes_from_the_bots_status_line()
    {
        var host = new Fakes.FakeHost();
        Assert.Equal(string.Empty, HostReadings.MetaState(host));
        host.StatusBoard.Lines[("acdream.mosstank", "metaState")] = "Combat";
        Assert.Equal("Combat", HostReadings.MetaState(host));
    }
}