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

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

        public CustomerFunctionHandler(ICustomerService customerService)
        {
            _functionHandler = new()
            {
                { "CreateCustomer", customerService.CreateCustomer },
                { "DeleteCustomer", customerService.DeleteCustomer },
                { "UpdateCustomer", customerService.UpdateCustomer },
                { "GetCustomerMealPlan", customerService.GetCustomerMealPlan },
                { "GetCustomerMealPlanById", customerService.GetCustomerMealPlanById },
                { "GetCustomerWorkOutPlan", customerService.GetCustomerWorkOutPlan },
                { "GetCustomerWorkoutPlanById", customerService.GetCustomerWorkoutPlanById },
                { "FollowMealPlan", customerService.FollowMealPlan },
                { "GetFollowedMealPlans", customerService.GetFollowedMealPlans },
                { "GetFollowedWorkoutPlans", customerService.GetFollowedWorkoutPlans },
                { "FollowWorkOutPlan", customerService.FollowWorkOutPlan },
                { "GetClientDataById", customerService.GetClientDataById },
                { "CreateCusHealthRec", customerService.CreateCusHealthRec },
                { "CreateCusProgressRec", customerService.CreateCusProgressRec },
                { "UpdateCusHealthRec", customerService.UpdateCusHealthRec },
                { "UpdateCusProgressRec", customerService.UpdateCusProgressRec },
                { "UpdateCustomerTargetNutritions", customerService.UpdateCustomerTargetNutritions },
                { "GetClientGyms", customerService.GetClientGyms },
                { "GetCustomerProgress", customerService.GetCustomerProgress },
                { "UpdateWeeklyProgress", customerService.UpdateWeeklyProgress },
                { "GetWeeklyProgressForCustomer", customerService.GetWeeklyProgressForCustomer },
                { "GetCusBasicDetails", customerService.GetCusBasicDetails },
                { "GetCusHealthDetails", customerService.GetCusHealthDetails },
                { "GetCusProgressDetails", customerService.GetCusProgressDetails },
                {"CreateFeed", customerService.CreateFeed },
                {"GetOwnCards", customerService.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 (UnauthorizedAccessException ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 401,
                    Message = ex.Message,
                    Data = null!
                };
            }
            catch (KeyNotFoundException ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 400,
                    Message = ex.Message,
                    Data = null!
                };
            }
            catch (InvalidOperationException ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 400,
                    Message = ex.Message,
                    Data = null!
                };
            }
            catch (Exception ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 500,
                    Message = $"An error occurred: {ex.Message}",
                    Data = null!
                };
            }
        }
    }
}