using AuthHex.Models.IOs;
using AuthHex.Services.RoleManager;

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

        public RoleManager(RoleManagerService roleManagerService)
        {
            _functionHandler = new()
            {
                { "createRole", roleManagerService.CreateRole },
                { "getRole", roleManagerService.GetRole },
                { "listRoles", async (payload, context) => await roleManagerService.ListRoles(context) },
                { "updateRole", roleManagerService.UpdateRole },
                { "deleteRole", roleManagerService.DeleteRole }
            };
        }

        public async Task<ApiResponse> Execute(ApiRequest request, HttpContext httpContext)
        {
            if (!_functionHandler.TryGetValue(request.FunctionName, out var handler))
            {
                return new ApiResponse
                {
                    StatusCode = 404,
                    Message = $"Function '{request.FunctionName}' not found.",
                    Data = null
                };
            }
            try
            {
                var results = await handler(request.Payload, httpContext);
                return new ApiResponse
                {
                    StatusCode = 200,
                    Message = "success",
                    Data = results
                };
            }
            catch (KeyNotFoundException ex)
            {
                return new ApiResponse
                {
                    StatusCode = 400,
                    Message = ex.Message,
                    Data = null
                };
            }
            catch (InvalidOperationException ex)
            {
                return new ApiResponse
                {
                    StatusCode = 400,
                    Message = ex.Message,
                    Data = null
                };
            }
            catch (ArgumentException ex)
            {
                return new ApiResponse
                {
                    StatusCode = 500,
                    Message = ex.Message,
                    Data = null
                };
            }
        }
    }
}