using Singer_Hexdive.Exceptions;
using Singer_Hexdive.Interfaces.ServiceInterfaces;
using Singer_Hexdive.Models.IOs;

namespace Singer_Hexdive.Services.FunctionHandlers
{
    public class MerchantManager
    {
        private readonly Dictionary<string, Func<object, Task<object>>> _functionHandler;

        public MerchantManager(BaseMerchantService merchantService)
        {
            _functionHandler = new()
            {
                {"PostM_PersonalDetails", merchantService.PostM_PersonalDetails }
            };
        }

        public async Task<ApiResponse<object>> Execute(ApiRequest request)
        {


            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);
                return new ApiResponse<object>
                {
                    StatusCode = 200,
                    Message = "success",
                    Data = results
                };
            }
            catch (NotfoundException ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 404,
                    Message = ex.Message,
                    Data = null
                };
            }
            catch (InvalidOperationException ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 400,
                    Message = ex.Message,
                    Data = null
                };
            }
            catch (ArgumentException ex)
            {
                return new ApiResponse<object>
                {
                    StatusCode = 500,
                    Message = ex.Message,
                    Data = null
                };
            }
        }
    }
}