const { SensorData } = require('./models');
const sequelize = require('./config/database');

async function createSensorData() {
  try {
    await sequelize.authenticate();
    console.log('数据库连接成功');

    // 创建过去24小时的温度和湿度数据
    const now = new Date();
    const sensorDataList = [];

    // 生成过去24小时的数据，每小时一条记录
    for (let i = 23; i >= 0; i--) {
      const timestamp = new Date(now.getTime() - i * 60 * 60 * 1000);
      
      // 温度数据 (20-30度之间随机)
      const temperature = 20 + Math.random() * 10;
      sensorDataList.push({
        device_id: 1,
        farm_id: 1,
        sensor_type: 'temperature',
        value: parseFloat(temperature.toFixed(1)),
        unit: '°C',
        timestamp: timestamp,
        created_at: timestamp,
        updated_at: timestamp
      });

      // 湿度数据 (50-80%之间随机)
      const humidity = 50 + Math.random() * 30;
      sensorDataList.push({
        device_id: 1,
        farm_id: 1,
        sensor_type: 'humidity',
        value: parseFloat(humidity.toFixed(1)),
        unit: '%',
        timestamp: timestamp,
        created_at: timestamp,
        updated_at: timestamp
      });
    }

    // 批量插入数据
    await SensorData.bulkCreate(sensorDataList);
    console.log(`成功创建 ${sensorDataList.length} 条传感器数据`);

    // 验证数据
    const count = await SensorData.count();
    console.log(`传感器数据总数: ${count}`);

    const temperatureCount = await SensorData.count({
      where: { sensor_type: 'temperature' }
    });
    console.log(`温度数据条数: ${temperatureCount}`);

    const humidityCount = await SensorData.count({
      where: { sensor_type: 'humidity' }
    });
    console.log(`湿度数据条数: ${humidityCount}`);

  } catch (error) {
    console.error('创建传感器数据失败:', error);
  } finally {
    await sequelize.close();
  }
}

createSensorData();