// src/Webshop.Api/Controllers/Admin/AdminOrdersController.cs
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Webshop.Application.DTOs.Orders;
using Webshop.Application.Services.Admin;
using Webshop.Domain.Enums;

namespace Webshop.Api.Controllers.Admin
{
    [ApiController]
    [Route("api/v1/admin/[controller]")]
    [Authorize(Roles = "Admin")]
    public class AdminOrdersController : ControllerBase
    {
        private readonly IAdminOrderService _adminOrderService;

        public AdminOrdersController(IAdminOrderService adminOrderService)
        {
            _adminOrderService = adminOrderService;
        }

        [HttpGet]
        public async Task<ActionResult<IEnumerable<OrderSummaryDto>>> GetAllOrders()
        {
            var orders = await _adminOrderService.GetAllOrdersAsync();
            return Ok(orders);
        }

        [HttpGet("{id}")]
        public async Task<ActionResult<OrderDetailDto>> GetOrderById(Guid id)
        {
            var order = await _adminOrderService.GetOrderByIdAsync(id);
            if (order == null) return NotFound();
            return Ok(order);
        }

        [HttpPut("{id}/status")]
        public async Task<IActionResult> UpdateOrderStatus(Guid id, [FromBody] UpdateOrderStatusRequest request)
        {
            var (success, errorMessage) = await _adminOrderService.UpdateOrderStatusAsync(id, request.NewStatus);
            if (!success)
            {
                return BadRequest(new { Message = errorMessage });
            }
            return NoContent();
        }

        // Ein kleines DTO für die Status-Update-Anfrage
        public class UpdateOrderStatusRequest
        {
            public OrderStatus NewStatus { get; set; }
        }
    }
}