const express = require('express');
const db = require('../db-sqlite');
const { authenticate } = require('../middleware/auth');

module.exports = function(app) {
  const router = express.Router();

  router.get('/', authenticate, async (req, res) => {
    try {
      const { status } = req.query;
      let query = 'SELECT id, user_id, project_id, amount, description, status, created_at, 
         updated_at FROM executions';
      const params = [];
      
      if (status) {
        query += ' WHERE status = ?';
        params.push(status);
      }
      
      query += ' ORDER BY created_at DESC';
      
      const executionsResult = await db.query(query, params);
      const executions = executionsResult.rows;
      res.json({ success: true, data: executions, count: executions.length });
    } catch (error) {
      console.error('获取执行列表失败:', error);
      res.status(500).json({ success: false, message: '获取执行列表失败' });
    }
  });

  router.get('/pending', authenticate, async (req, res) => {
    try {
      const pendingResult = await db.query(
        'SELECT id, user_id, project_id, amount, description, status, created_at, updated_at FROM executions WHERE status = ? ORDER BY created_at DESC',
        ['pending']
      );
      const pending = pendingResult.rows;
      res.json({ success: true, data: pending, count: pending.length });
    } catch (error) {
      console.error('获取待执行列表失败:', error);
      res.status(500).json({ success: false, message: '获取待执行列表失败' });
    }
  });

  router.get('/executed', authenticate, async (req, res) => {
    try {
      const executedResult = await db.query(
        'SELECT id, user_id, project_id, amount, description, status, created_at, updated_at FROM executions WHERE status = ? ORDER BY created_at DESC',
        ['executed']
      );
      const executed = executedResult.rows;
      res.json({ success: true, data: executed, count: executed.length });
    } catch (error) {
      console.error('获取已执行列表失败:', error);
      res.status(500).json({ success: false, message: '获取已执行列表失败' });
    }
  });

  router.post('/', authenticate, async (req, res) => {
    try {
      const { user_id, project_id, amount, description } = req.body;
      
      if (!user_id || !project_id || !amount) {
        return res.status(400).json({ success: false, 
          message: '用户ID、项目ID和金额为必填项' });
      }
      
      const result = await db.query(
        'INSERT INTO executions (user_id, project_id, amount, description, status, created_at, updated_at) VALUES (?, ?, ?, ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)',
        [user_id, project_id, amount, description || '', 'pending']
      );
      
      const newExecutionResult = await db.query('SELECT id, user_id, project_id, amount, description, status, created_at, updated_at FROM executions WHERE id = ?', [result.lastID]);
      const newExecution = newExecutionResult.rows[0];
      
      console.log(`执行创建成功，由 ${req.user.username} 操作`);
      res.json({ success: true, data: newExecution });
    } catch (error) {
      console.error('创建执行失败:', error);
      res.status(500).json({ success: false, message: '创建执行失败' });
    }
  });

  app.use('/api/executions', router);
};