namespace QMax.Api.Infrastructure.Max;

public sealed class MockMaxBridgeClient : IMaxBridgeClient
{
    private readonly List<MaxChatUpdate> _updates =
    [
        new MaxChatUpdate(
            "mock-qmax",
            "QMAX smoke chat",
            null,
            DateTimeOffset.UtcNow,
            [
                new MaxMessageUpdate(
                    "mock-message-1",
                    "max",
                    "MAX",
                    false,
                    "Mock mode is active. Switch QMax:MaxMode to Worker and use qmax-pymax-worker for real MAX traffic.",
                    DateTimeOffset.UtcNow)
            ])
    ];

    public Task<MaxBridgeStatus> GetStatusAsync(CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxBridgeStatus("Mock", true, "Authorized", "MockReady", null, "Mock", null, DateTimeOffset.UtcNow));
    }

    public Task<MaxBridgeStatus> BeginPhoneLoginAsync(string phoneNumber, CancellationToken cancellationToken)
    {
        return GetStatusAsync(cancellationToken);
    }

    public Task<MaxBridgeStatus> SubmitLoginCodeAsync(string code, CancellationToken cancellationToken)
    {
        return GetStatusAsync(cancellationToken);
    }

    public Task<MaxBrowserSnapshot> GetSnapshotAsync(CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxBrowserSnapshot(null, "Mock", "Mock MAX bridge", "", DateTimeOffset.UtcNow));
    }

    public Task<IReadOnlyList<MaxChatUpdate>> FetchUpdatesAsync(CancellationToken cancellationToken)
    {
        return Task.FromResult<IReadOnlyList<MaxChatUpdate>>(_updates);
    }

    public Task<MaxChatUpdate?> FetchChatHistoryAsync(string externalChatId, string? chatUrl, CancellationToken cancellationToken)
    {
        var update = _updates.FirstOrDefault(x => x.ExternalId == externalChatId);
        return Task.FromResult(update);
    }

    public Task<MaxChatPresence?> FetchChatPresenceAsync(string externalChatId, string? chatUrl, CancellationToken cancellationToken)
    {
        return Task.FromResult<MaxChatPresence?>(new MaxChatPresence(false, null, DateTimeOffset.UtcNow));
    }

    public Task<MaxChatUrlResult> ResolveChatUrlAsync(string externalChatId, CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxChatUrlResult(true, MockChatUrl(externalChatId), null));
    }

    public Task<MaxActionResult> ClearChatHistoryAsync(string externalChatId, string? chatUrl, CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxActionResult(true, null));
    }

    public Task<MaxActionResult> DeleteChatAsync(string externalChatId, string? chatUrl, CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxActionResult(
            false,
            "Chat deletion is disabled because MAX does not remove chats from the web client."));
    }

    public Task<MaxSendResult> SendTextAsync(string externalChatId, string? chatUrl, string text, CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxSendResult(true, $"mock-out-{Guid.NewGuid():N}", null, MockChatUrl(externalChatId)));
    }

    public Task<MaxSendResult> SendAttachmentAsync(string externalChatId, string? chatUrl, string path, string caption, CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxSendResult(true, $"mock-file-{Guid.NewGuid():N}", null, MockChatUrl(externalChatId)));
    }

    public Task<MaxActionResult> EditMessageAsync(string externalChatId, string externalMessageId, string? currentText, string text, CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxActionResult(true, null));
    }

    public Task<MaxActionResult> DeleteMessageAsync(string externalChatId, string externalMessageId, string? currentText, CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxActionResult(true, null));
    }

    public Task<MaxActionResult> SetReactionAsync(string externalChatId, string externalMessageId, string? currentText, string emoji, CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxActionResult(true, null));
    }

    public Task<MaxActionResult> ClearReactionAsync(string externalChatId, string externalMessageId, string? currentText, string emoji, CancellationToken cancellationToken)
    {
        return Task.FromResult(new MaxActionResult(true, null));
    }

    public Task<MaxMediaDownload?> DownloadMediaAsync(string remoteUrl, CancellationToken cancellationToken)
    {
        return Task.FromResult<MaxMediaDownload?>(null);
    }

    private static string MockChatUrl(string externalChatId)
    {
        return $"pymax://mock/{Uri.EscapeDataString(externalChatId)}";
    }
}