<?php
// +----------------------------------------------------------------------
// | 学员端订单管理控制器
// +----------------------------------------------------------------------

declare(strict_types=1);

namespace app\api\controller\student;

use app\service\api\apiService\OrderTableService;
use core\base\BaseController;
use think\Request;
use think\Response;

/**
 * 学员端订单管理控制器
 * Class OrderController
 * @package app\api\controller\student
 */
class OrderController extends BaseController
{
    /**
     * 获取学员订单列表
     * @param Request $request
     * @return Response
     */
    public function getOrderList(Request $request): Response
    {
        try {
            $student_id = $request->param('student_id', 0);
            $page = $request->param('page', 1);
            $limit = $request->param('limit', 10);
            
            // 验证学员ID
            if (empty($student_id)) {
                return fail('学员ID不能为空');
            }
            
            $where = [
                'student_id' => $student_id,
                'resource_id' => '',
                'staff_id' => ''
            ];
            
            $orderService = new OrderTableService();
            $result = $orderService->getList($where);
            
            // 处理返回数据格式，确保与前端期望一致
            $data = [
                'data' => $result['data'] ?? [],
                'current_page' => $result['current_page'] ?? $page,
                'last_page' => $result['last_page'] ?? 1,
                'total' => $result['total'] ?? 0,
                'per_page' => $limit
            ];
            
            return success($data, '获取成功');

        } catch (\Exception $e) {
            return fail('获取订单列表失败: ' . $e->getMessage());
        }
    }
    
    /**
     * 获取学员订单详情
     * @param Request $request
     * @return Response
     */
    public function getOrderDetail(Request $request): Response
    {
        try {
            $order_id = $request->param('id', 0);
            $student_id = $request->param('student_id', 0);
            
            // 验证参数
            if (empty($order_id)) {
                return fail('订单ID不能为空');
            }

            if (empty($student_id)) {
                return fail('学员ID不能为空');
            }
            
            $where = [
                'student_id' => $student_id,
                'resource_id' => '',
                'staff_id' => ''
            ];
            
            $orderService = new OrderTableService();
            $result = $orderService->getInfo($where);
            
            if (!$result['code']) {
                return fail($result['msg']);
            }

            // 验证订单是否属于该学员
            if ($result['data']['student_id'] != $student_id) {
                return fail('无权查看此订单');
            }

            return success($result['data'], '获取成功');

        } catch (\Exception $e) {
            return fail('获取订单详情失败: ' . $e->getMessage());
        }
    }
    
    /**
     * 获取学员订单统计
     * @param Request $request
     * @return Response
     */
    public function getOrderStats(Request $request): Response
    {
        try {
            $student_id = $request->param('student_id', 0);
            
            // 验证学员ID
            if (empty($student_id)) {
                return fail('学员ID不能为空');
            }
            
            // 注意：这里会获取所有订单用于统计，可能需要优化
            
            $where = [
                'student_id' => $student_id,
                'resource_id' => '',
                'staff_id' => ''
            ];
            
            $orderService = new OrderTableService();
            $result = $orderService->getList($where);
            
            $orders = $result['data'] ?? [];
            
            // 统计各状态订单数量
            $stats = [
                'total_orders' => count($orders),
                'pending_payment' => 0,
                'paid' => 0,
                'completed' => 0,
                'cancelled' => 0,
                'refunded' => 0
            ];
            
            foreach ($orders as $order) {
                $status = $order['order_status'] ?? 'pending';
                switch ($status) {
                    case 'pending':
                        $stats['pending_payment']++;
                        break;
                    case 'paid':
                        $stats['paid']++;
                        break;
                    case 'completed':
                        $stats['completed']++;
                        break;
                    case 'cancelled':
                        $stats['cancelled']++;
                        break;
                    case 'refunded':
                        $stats['refunded']++;
                        break;
                }
            }
            
            return success($stats, '获取成功');

        } catch (\Exception $e) {
            return fail('获取订单统计失败: ' . $e->getMessage());
        }
    }
}