using Fitness_core_BE.Models.IOs;
using Fitness_core_BE.Services;
using Fitness_core_BE.Exceptions;
using Fitness_core_BE.Interfaces.Services;

namespace Fitness_core_BE.Services.FunctionHandler
{
    public class ClientFuncHandler
    {
        public readonly Dictionary<string, Func<object, HttpContext, Task<object>>> _functionHandler;

        public ClientFuncHandler(IClientService clientService)
        {
            _functionHandler = new()
            {
                { "GetClientList", clientService.GetClientList },
                { "GetClientById", clientService.GetClientById },
                { "GetCustomerDetailsById", clientService.GetCustomerDetailsById },
                { "CreateCustomerWithPlans", clientService.CreateCustomerWithPlans },
                { "UpdateCustomerByClient", clientService.UpdateCustomerByClient },
                {"GetCustomersByClientId", clientService.GetCustomersByClientId},
                {"GetCustomerPlansByClientId", clientService.GetCustomerPlansByClientId},
                {"RegisterClient", clientService.RegisterClient},
                { "GetPackageList", clientService.GetPackageList },
                {"GetAllCustomers", clientService.GetAllCustomers },
                {"DeleteCustomerByClient", clientService.DeleteCustomerByClient },
                {"ClientLogOut", clientService.ClientLogOut },
                {"GetAllCustomerPlans", clientService.GetAllCustomerPlans },
                {"GetMealPlansByClientId", clientService.GetMealPlansByClientId },
                {"GetWorkoutPlansByClientId", clientService.GetWorkoutPlansByClientId },
                {"GetMealPlanById", clientService.GetMealPlanById },
                {"GetWorkoutPlanById", clientService.GetWorkoutPlanById },
                {"GetCustomerPlanById", clientService.GetCustomerPlanById },
                {"GetOwnCards", clientService.GetCardDetails },
                };
        }

        public async Task<ApiResponse<object>> Execute(ApiRequest request, HttpContext httpContext)
        {
            if (!_functionHandler.TryGetValue(request.FunctionName, out var handler))
            {
                return new ApiResponse<object>
                {
                    StatusCode = 404,
                    Message = $"Function '{request.FunctionName}' not found.",
                    Data = null
                };
            }
            try
            {
                var results = await handler(request.Payload, httpContext);
                return new ApiResponse<object>
                {
                    StatusCode = 200,
                    Message = "success",
                    Data = results
                };
            }
            catch (UnauthorizedException ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 401,
                    Message = ex.Message,
                    Data = null
                };
            }
            catch (NotFoundException ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 404,
                    Message = ex.Message,
                    Data = null
                };
            }
            catch (BadRequestException ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 400,
                    Message = ex.Message,
                    Data = null
                };
            }
            catch (ForbiddenException ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 403,
                    Message = ex.Message,
                    Data = null
                };
            }
            catch (Exception ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 500,
                    Message = $"An error occurred: {ex.Message}",
                    Data = null
                };
            }
        }
    }
}