using AcDream.Core.Chat;

namespace AcDream.Core.Tests.Chat;

/// <summary>
/// Phase J: <see cref="ChatLog.SetLocalPlayerGuid"/> teaches the log
/// to recognize ACE's HearSpeech echo of the local player's own /say
/// — the server broadcasts to all in range INCLUDING the sender, so
/// we'd otherwise see both our optimistic "You say" and the
/// third-person "+Acdream says" from the server. Substituting the
/// sender to "" routes through the formatter's IsOwnSpeaker path so
/// only the singular first-person line shows.
/// </summary>
public sealed class ChatLogLocalGuidTests
{
    [Fact]
    public void OnLocalSpeech_OwnGuidMatch_SubstitutesYou()
    {
        var log = new ChatLog();
        log.SetLocalPlayerGuid(0x5000_000A);

        log.OnLocalSpeech("+Acdream", "hello world",
            senderGuid: 0x5000_000A, isRanged: false);

        var entry = log.Snapshot()[0];
        Assert.Equal(ChatKind.LocalSpeech, entry.Kind);
        Assert.Equal("You", entry.Sender);
        Assert.Equal("hello world", entry.Text);
    }

    [Fact]
    public void OnLocalSpeech_DifferentGuid_KeepsSenderName()
    {
        var log = new ChatLog();
        log.SetLocalPlayerGuid(0x5000_000A);

        log.OnLocalSpeech("Caith", "hi",
            senderGuid: 0x5000_0042, isRanged: false);

        Assert.Equal("Caith", log.Snapshot()[0].Sender);
    }

    [Fact]
    public void OnLocalSpeech_NoLocalGuidSet_FallsBackToEmptySubstitution()
    {
        // Pre-login (guid not yet known), the existing empty-sender
        // substitution still applies — server-driven ranged echoes
        // arrive with sender="" before the player has a guid.
        var log = new ChatLog();
        log.OnLocalSpeech("", "anyone home?",
            senderGuid: 0u, isRanged: true);

        Assert.Equal("You", log.Snapshot()[0].Sender);
        Assert.Equal(ChatKind.RangedSpeech, log.Snapshot()[0].Kind);
    }
}