/**
 * 智能窗帘类
 * 实现SmartDevice和CurtainControl接口
 */
public class SmartCurtain implements SmartDevice, CurtainControl {
    private String deviceId;
    private String deviceName;
    private int position; // 0-100，0表示完全关闭，100表示完全打开
    private boolean isPowerOn;
    
    /**
     * 构造函数
     * @param deviceId 设备ID
     * @param deviceName 设备名称
     */
    public SmartCurtain(String deviceId, String deviceName) {
        this.deviceId = deviceId;
        this.deviceName = deviceName;
        this.position = 0; // 默认关闭状态
        this.isPowerOn = false;
    }
    
    @Override
    public String getDeviceId() {
        return deviceId;
    }
    
    @Override
    public String getDeviceName() {
        return deviceName;
    }
    
    @Override
    public String getDeviceType() {
        return "智能窗帘";
    }
    
    @Override
    public String getStatusDescription() {
        if (!isPowerOn) {
            return "设备已关闭";
        }
        if (isFullyOpen()) {
            return "窗帘完全打开";
        }
        if (isFullyClosed()) {
            return "窗帘完全关闭";
        }
        return "窗帘打开 " + position + "%";
    }
    
    @Override
    public void openCurtain() {
        if (!isPowerOn) {
            System.out.println(deviceName + " 未开启电源，无法操作");
            return;
        }
        this.position = 100;
        System.out.println(deviceName + " 窗帘已完全打开");
    }
    
    @Override
    public void closeCurtain() {
        if (!isPowerOn) {
            System.out.println(deviceName + " 未开启电源，无法操作");
            return;
        }
        this.position = 0;
        System.out.println(deviceName + " 窗帘已完全关闭");
    }
    
    @Override
    public void setCurtainPosition(int position) {
        if (!isPowerOn) {
            System.out.println(deviceName + " 未开启电源，无法操作");
            return;
        }
        // 确保位置值在有效范围内
        this.position = Math.max(0, Math.min(100, position));
        System.out.println(deviceName + " 窗帘位置已设置为 " + this.position + "%");
    }
    
    @Override
    public int getCurtainPosition() {
        return position;
    }
    
    @Override
    public boolean isFullyOpen() {
        return position >= 100;
    }
    
    @Override
    public boolean isFullyClosed() {
        return position <= 0;
    }
    
    /**
     * 开启设备电源
     */
    public void turnOn() {
        this.isPowerOn = true;
        System.out.println(deviceName + " 电源已开启");
    }
    
    /**
     * 关闭设备电源
     */
    public void turnOff() {
        this.isPowerOn = false;
        System.out.println(deviceName + " 电源已关闭");
    }
    
    /**
     * 检查设备电源状态
     * @return 如果设备开启则返回true
     */
    public boolean isPowerOn() {
        return isPowerOn;
    }
}