const { sequelize } = require('./config/database-simple');

async function verifyData() {
  try {
    await sequelize.authenticate();
    console.log('数据库连接成功');
    
    // 检查各表的数据量
    const tables = ['farms', 'animals', 'devices', 'alerts', 'sensor_data'];
    
    for (const table of tables) {
      const [results] = await sequelize.query(`SELECT COUNT(*) as count FROM ${table}`);
      console.log(`${table} 表: ${results[0].count} 条记录`);
    }
    
    // 检查最新的一些数据
    console.log('\n=== 最新的预警数据 ===');
    const [alerts] = await sequelize.query('SELECT * FROM alerts ORDER BY created_at DESC LIMIT 5');
    console.table(alerts);
    
    console.log('\n=== 最新的传感器数据 ===');
    const [sensors] = await sequelize.query('SELECT * FROM sensor_data ORDER BY recorded_at DESC LIMIT 10');
    console.table(sensors);
    
  } catch (error) {
    console.error('验证失败:', error.message);
  } finally {
    await sequelize.close();
  }
}

verifyData();