using GmRelay.Bot.Infrastructure.Telegram;
using GmRelay.Shared.Platform;
using GmRelay.Shared.Rendering;
using Microsoft.Extensions.Logging.Abstractions;
using System.Reflection;

namespace GmRelay.Bot.Tests.Infrastructure.Telegram;

public sealed class TelegramPlatformMessengerTests
{
    [Fact]
    public async Task UpdateScheduleAsync_ShouldRejectNonTelegramExistingMessageReference()
    {
        var messenger = CreateMessenger();
        var message = new PlatformScheduleMessage(
            new PlatformGroup(PlatformKind.Telegram, "100", "Telegram group"),
            CreateView(),
            new PlatformMessageRef(PlatformKind.Discord, "100", null, "200"));

        await Assert.ThrowsAsync<NotSupportedException>(
            () => messenger.UpdateScheduleAsync(message, CancellationToken.None));
    }

    [Fact]
    public async Task UpdateScheduleAsync_ShouldRejectMismatchedGroupAndExistingMessageReference()
    {
        var messenger = CreateMessenger();
        var message = new PlatformScheduleMessage(
            new PlatformGroup(PlatformKind.Telegram, "100", "Telegram group", ExternalThreadId: "7"),
            CreateView(),
            new PlatformMessageRef(PlatformKind.Telegram, "101", "7", "200"));

        var exception = await Assert.ThrowsAsync<ArgumentException>(
            () => messenger.UpdateScheduleAsync(message, CancellationToken.None));

        Assert.Equal("message", exception.ParamName);
        Assert.Contains("Existing schedule message reference must match the schedule group.", exception.Message);
    }

    [Fact]
    public void BuildDirectNotificationText_OneHourReminderWithoutJoinLink_ShouldNotRenderBlankLinkLine()
    {
        var notification = new PlatformDirectSessionNotification(
            PlatformDirectSessionNotificationKind.OneHourReminder,
            new PlatformUser(PlatformKind.Telegram, "123", "Player", "player"),
            Guid.NewGuid(),
            "Offline Game",
            DateTime.UtcNow,
            JoinLink: string.Empty);

        var text = InvokeBuildDirectNotificationText(notification);

        Assert.DoesNotContain("🔗", text);
    }

    private static TelegramPlatformMessenger CreateMessenger() =>
        new(null!, NullLogger<TelegramPlatformMessenger>.Instance);

    private static string InvokeBuildDirectNotificationText(PlatformDirectSessionNotification notification)
    {
        var method = typeof(TelegramPlatformMessenger).GetMethod(
            "BuildDirectNotificationText",
            BindingFlags.NonPublic | BindingFlags.Static);

        Assert.NotNull(method);
        return Assert.IsType<string>(method.Invoke(null, new object[] { notification }));
    }

    private static SessionBatchViewModel CreateView() =>
        new("Test batch", []);
}