const { Animal, Device, Alert, Order } = require('./models');

async function checkFarmForeignKeys() {
  try {
    console.log('检查引用farms表的外键情况...');
    
    // 检查animals表
    const animals = await Animal.findAll({
      attributes: ['id', 'farmId'],
      order: [['farmId', 'ASC']]
    });
    
    console.log('\nAnimals表中的farmId分布:');
    const animalFarmIds = [...new Set(animals.map(a => a.farmId))].sort((a, b) => a - b);
    console.log('引用的farmId:', animalFarmIds);
    console.log(`总共 ${animals.length} 条动物记录`);
    
    // 检查devices表
    const devices = await Device.findAll({
      attributes: ['id', 'farmId'],
      order: [['farmId', 'ASC']]
    });
    
    console.log('\nDevices表中的farmId分布:');
    const deviceFarmIds = [...new Set(devices.map(d => d.farmId))].sort((a, b) => a - b);
    console.log('引用的farmId:', deviceFarmIds);
    console.log(`总共 ${devices.length} 条设备记录`);
    
    // 检查alerts表
    const alerts = await Alert.findAll({
      attributes: ['id', 'farmId'],
      order: [['farmId', 'ASC']]
    });
    
    console.log('\nAlerts表中的farmId分布:');
    const alertFarmIds = [...new Set(alerts.map(a => a.farmId))].sort((a, b) => a - b);
    console.log('引用的farmId:', alertFarmIds);
    console.log(`总共 ${alerts.length} 条警报记录`);
    
    // 检查orders表
    const orders = await Order.findAll({
      attributes: ['id', 'farmId'],
      order: [['farmId', 'ASC']]
    });
    
    console.log('\nOrders表中的farmId分布:');
    const orderFarmIds = [...new Set(orders.map(o => o.farmId))].sort((a, b) => a - b);
    console.log('引用的farmId:', orderFarmIds);
    console.log(`总共 ${orders.length} 条订单记录`);
    
  } catch (error) {
    console.error('检查失败:', error.message);
  }
}

checkFarmForeignKeys();