using GmRelay.Bot.Tests.Features.Sessions.CreateSession;
using GmRelay.Shared.Domain;
using GmRelay.Shared.Infrastructure.Scheduling;
using GmRelay.Shared.Platform;
using Npgsql;

namespace GmRelay.Bot.Tests.Infrastructure.Scheduling;

[Collection(CreateSessionHandlerPostgresCollection.Name)]
public sealed class DbSessionTriggerStoreTests(CreateSessionHandlerPostgresFixture fixture)
{
    [Fact]
    public async Task GetSessionsNeedingJoinLinkAsync_IgnoresConfirmedSessionsWithoutJoinLink()
    {
        var connectionString = await fixture.CreateMigratedDatabaseAsync();
        await using var dataSource = NpgsqlDataSource.Create(connectionString);
        await using var connection = await dataSource.OpenConnectionAsync();

        var groupId = await InsertTelegramGroupAsync(connection);
        var dueAt = DateTimeOffset.UtcNow.AddMinutes(4).UtcDateTime;
        var onlineSessionId = await InsertSessionAsync(connection, groupId, dueAt, "https://vtt.example/game", "Online");
        var offlineSessionId = await InsertSessionAsync(connection, groupId, dueAt, string.Empty, "Offline");

        var sut = new DbSessionTriggerStore(dataSource, new PlatformSchedulerOptions(PlatformKind.Telegram));

        var result = await sut.GetSessionsNeedingJoinLinkAsync(DateTimeOffset.UtcNow, CancellationToken.None);

        Assert.Contains(onlineSessionId, result);
        Assert.DoesNotContain(offlineSessionId, result);
    }

    private static async Task<Guid> InsertTelegramGroupAsync(NpgsqlConnection connection)
    {
        await using var command = new NpgsqlCommand(
            """
            INSERT INTO game_groups (name, platform, external_group_id)
            VALUES ('Trigger Test Group', 'Telegram', @ExternalGroupId)
            RETURNING id
            """,
            connection);
        command.Parameters.AddWithValue("ExternalGroupId", Guid.NewGuid().ToString("N"));

        return (Guid)(await command.ExecuteScalarAsync() ?? throw new InvalidOperationException("Group insert failed."));
    }

    private static async Task<Guid> InsertSessionAsync(
        NpgsqlConnection connection,
        Guid groupId,
        DateTime scheduledAt,
        string joinLink,
        string format)
    {
        await using var command = new NpgsqlCommand(
            """
            INSERT INTO sessions (group_id, title, join_link, scheduled_at, status, format)
            VALUES (@GroupId, 'Trigger Test Session', @JoinLink, @ScheduledAt, @Status, @Format)
            RETURNING id
            """,
            connection);
        command.Parameters.AddWithValue("GroupId", groupId);
        command.Parameters.AddWithValue("JoinLink", joinLink);
        command.Parameters.AddWithValue("ScheduledAt", scheduledAt);
        command.Parameters.AddWithValue("Status", SessionStatus.Confirmed);
        command.Parameters.AddWithValue("Format", format);

        return (Guid)(await command.ExecuteScalarAsync() ?? throw new InvalidOperationException("Session insert failed."));
    }
}