using ColorControl.Shared.Common;
using ColorControl.Shared.Contracts;
using Newtonsoft.Json;
using System.Diagnostics;

namespace ColorControl.UI.Services;

public class RpcUiClientOptions
{
    public int Timeout { get; set; } = PipeUtils.DefaultTimeout;
}

public class RpcUiClientService(NotificationService? notificationService)
{
    public string? LastErrorMessage { get; private set; }

    public async Task<T> CallAsync<T>(string serviceName, string method, params object?[] arguments)
    {
        var rpcMessage = new SvcRpcMessage
        {
            ServiceName = serviceName,
            MethodName = method,
            Arguments = arguments
        };

        var timeout = Debugger.IsAttached ? 60000 : PipeUtils.DefaultTimeout;

        return await SendRpcMessageAsync<T>(rpcMessage, timeout, pipeName: PipeUtils.MainPipe);
    }

    public async Task<bool> CallGenericBoolResultAsync(string serviceName, string method, params object?[] arguments)
    {
        var rpcMessage = new SvcRpcMessage
        {
            ServiceName = serviceName,
            MethodName = method,
            Arguments = arguments
        };

        var timeout = Debugger.IsAttached ? 60000 : PipeUtils.DefaultTimeout;

        var result = await SendRpcMessageAsync<GenericBoolResult>(rpcMessage, timeout, pipeName: PipeUtils.MainPipe);

        if (result?.Result == true)
        {
            return true;
        }

        if (result?.ErrorMessages.Count > 0 && notificationService != null)
        {
            await notificationService.SendNotificationDirect(new NotificationDto(result.ErrorMessages.First(), Constants.Danger));
        }

        return false;
    }

    public async Task<T> CallWithOptionsAsync<T>(string serviceName, string method, RpcUiClientOptions options, params object?[] arguments)
    {
        var rpcMessage = new SvcRpcMessage
        {
            ServiceName = serviceName,
            MethodName = method,
            Arguments = arguments
        };

        return await SendRpcMessageAsync<T>(rpcMessage, options.Timeout, pipeName: PipeUtils.MainPipe);
    }

    private async Task<T> SendRpcMessageAsync<T>(SvcRpcMessage message, int timeout = PipeUtils.DefaultTimeout, string pipeName = PipeUtils.ServicePipe)
    {
        var messageJson = JsonConvert.SerializeObject(message);

        var resultJson = await PipeUtils.SendMessageAsync(messageJson, timeout, pipeName);

        if (resultJson == null)
        {
            notificationService?.SendNotification(new NotificationDto("Unknown communication error", Constants.Danger));

            return default;
        }

        var resultMessage = JsonConvert.DeserializeObject<SvcResultMessage>(resultJson);

        if (resultMessage?.Data == null)
        {
            LastErrorMessage = resultMessage?.ErrorMessage ?? "Unknown communication error";

            if (notificationService != null)
            {
                await notificationService.SendNotificationDirect(new NotificationDto(LastErrorMessage, Constants.Danger));
            }

            return default;
        }

        LastErrorMessage = null;

        var result = JsonConvert.DeserializeObject<T>(resultMessage.Data);

        return result;
    }
}