const express = require('express');
const { getDB } = require('../database');

const router = express.Router();

router.get('/', async (req, res) => {
  try {
    const { page = 1, limit = 10, search = '' } = req.query;
    
    // 确保参数为有效数字
    const pageNum = Math.max(1, parseInt(page) || 1);
    const limitNum = Math.max(1, Math.min(100, parseInt(limit) || 10)); // 限制最大100条
    const offset = Math.max(0, (pageNum - 1) * limitNum);
    
    console.log('分页参数:', { pageNum, limitNum, offset, search });
    
    let whereClause = 'WHERE 1=1';
    const params = [];
    
    if (search) {
      whereClause += ' AND amount LIKE ?';
      params.push(`%${search}%`);
    }
    
    // 获取总数
    const countQuery = `SELECT COUNT(*) as total FROM withdrawal ${whereClause}`;
    const [countResult] = await getDB().execute(countQuery, params);
    const total = countResult[0].total;
    
    // 获取商品列表
    const query = `
      SELECT id, user_id, amount, status, time
      FROM withdrawal
      ${whereClause}
      ORDER BY time DESC
      LIMIT ${limitNum} OFFSET ${offset}
    `;
    
    // 确保参数数组正确传递
    const queryParams = [...params];
    console.log('Query params:', queryParams, 'Query:', query);
    const [withdrawals] = await getDB().execute(query, queryParams);
    res.json({
      success: true,
      data: {
        withdrawals,
        pagination: {
          page: pageNum,
          limit: limitNum,
          total,
          pages: Math.ceil(total / limitNum)
        }
      }
    });
  } catch (error) {
    console.error('获取提现列表失败:', error);
    res.status(500).json({ success: false, message: '获取提现列表失败' });
  }
});//获取记录

router.post('/:id/approve', async (req, res) => {
  try {
    const { id } = req.params;
    const query = `
      UPDATE withdrawal
      SET status = 'success'
      WHERE id = ?
    `;
    const queryParams = [id];
    const [result] = await getDB().execute(query, queryParams);
    if (result.affectedRows === 0) {
      return res.status(404).json({ success: false, message: '提现记录不存在' });
    }
    res.json({
      success: true,
      data: {
        id,
        status: 'success'
      }
    });
  } catch (error) {
    console.error('创建提现记录失败:', error);
    res.status(500).json({ success: false, message: '创建提现记录失败' });
  }
});//通过记录

router.post('/:id/reject', async (req, res) => {
  try {
    const { id } = req.params;
    const query = `
      UPDATE withdrawal
      SET status = 'canceled'
      WHERE id = ?
    `;
    const queryParams = [id];
    const [result] = await getDB().execute(query, queryParams);
    if (result.affectedRows === 0) {
      return res.status(404).json({ success: false, message: '提现记录不存在' });
    }
    res.json({
      success: true,
      data: {
        id,
        status: 'canceled'
      }
    });
  } catch (error) {
    console.error('创建提现记录失败:', error);
    res.status(500).json({ success: false, message: '创建提现记录失败' });
  }
});//拒绝记录

router.post('/', async (req, res) => {
  try {
    const { userId, amount } = req.body;
    if (!userId || !amount) {
      return res.status(400).json({ success: false, message: '用户ID和金额是必填项' });
    }
    const query = `
      INSERT INTO withdrawal (user_id, amount, status, time)
      VALUES (?, ?, ?, NOW())
    `;
    const queryParams = [userId, amount, 'pending'];
    const [result] = await getDB().execute(query, queryParams);
    if (result.affectedRows === 0) {
      return res.status(404).json({ success: false, message: '提现记录不存在' });
    }
    res.json({
      success: true,
      data: {
        id: result.insertId,
        user_id: userId,
        amount,
        status: 'pending'
      }
    });
  } catch (error) {
    console.error('更新提现记录失败:', error);
    res.status(500).json({ success: false, message: '更新提现记录失败' });
  }
});

module.exports = router;