/**
 * 智能空调类
 * 实现了SmartDevice, PowerControl和TemperatureControl接口
 */
public class SmartAirConditioner implements SmartDevice, PowerControl, TemperatureControl {
    private String deviceId;
    private String deviceName;
    private boolean isPowerOn;
    private double temperature;
    private final double MIN_TEMP = 16.0;
    private final double MAX_TEMP = 30.0;
    
    /**
     * 构造函数
     * @param deviceId 设备ID
     * @param deviceName 设备名称
     */
    public SmartAirConditioner(String deviceId, String deviceName) {
        this.deviceId = deviceId;
        this.deviceName = deviceName;
        this.isPowerOn = false;
        this.temperature = 25.0; // 默认温度25度
    }
    
    @Override
    public String getDeviceId() {
        return deviceId;
    }
    
    @Override
    public String getDeviceName() {
        return deviceName;
    }
    
    @Override
    public String getDeviceType() {
        return "AirConditioner";
    }
    
    @Override
    public String getStatusDescription() {
        return deviceName + " (ID: " + deviceId + ") - 状态: " + 
               (isPowerOn ? "开启" : "关闭") + ", 温度: " + temperature + "°C";
    }
    
    @Override
    public void turnOn() {
        if (!isPowerOn) {
            isPowerOn = true;
            System.out.println(deviceName + " 已开启");
        } else {
            System.out.println(deviceName + " 已经是开启状态");
        }
    }
    
    @Override
    public void turnOff() {
        if (isPowerOn) {
            isPowerOn = false;
            System.out.println(deviceName + " 已关闭");
        } else {
            System.out.println(deviceName + " 已经是关闭状态");
        }
    }
    
    @Override
    public boolean isPowerOn() {
        return isPowerOn;
    }
    
    @Override
    public void setTemperature(double temperature) {
        if (temperature >= MIN_TEMP && temperature <= MAX_TEMP) {
            this.temperature = temperature;
            System.out.println(deviceName + " 温度已设置为: " + temperature + "°C");
        } else {
            System.out.println(deviceName + " 温度必须在 " + MIN_TEMP + "-" + MAX_TEMP + "°C 之间");
        }
    }
    
    @Override
    public double getTemperature() {
        return temperature;
    }
    
    @Override
    public void increaseTemperature(double increment) {
        setTemperature(this.temperature + increment);
    }
    
    @Override
    public void decreaseTemperature(double decrement) {
        setTemperature(this.temperature - decrement);
    }
}