sjiu/SmartLight.java

/**
 * 智能灯类
 * 实现了Device和BrightnessAdjustable接口
 */
public class SmartLight implements Device, BrightnessAdjustable {
    private String name;
    private boolean on;
    private int brightness;
    
    public SmartLight(String name) {
        this.name = name;
        this.on = false;
        this.brightness = 50; // 默认亮度50%
    }
    
    @Override
    public String getName() {
        return name;
    }
    
    @Override
    public void turnOn() {
        if (!on) {
            on = true;
            System.out.println(name + " 智能灯已开启，当前亮度: " + brightness + "%");
        }
    }
    
    @Override
    public void turnOff() {
        if (on) {
            on = false;
            System.out.println(name + " 智能灯已关闭");
        }
    }
    
    @Override
    public boolean isOn() {
        return on;
    }
    
    @Override
    public void increaseBrightness(int level) {
        if (on) {
            brightness = Math.min(100, brightness + level);
            System.out.println(name + " 亮度已增加到: " + brightness + "%");
        }
    }
    
    @Override
    public void decreaseBrightness(int level) {
        if (on) {
            brightness = Math.max(0, brightness - level);
            System.out.println(name + " 亮度已降低到: " + brightness + "%");
        }
    }
    
    @Override
    public void setBrightness(int brightness) {
        if (on) {
            if (brightness >= 0 && brightness <= 100) {
                this.brightness = brightness;
                System.out.println(name + " 亮度已设置为: " + brightness + "%");
            } else {
                System.out.println(name + " 亮度超出范围，请设置在 0-100 之间");
            }
        }
    }
    
    @Override
    public int getCurrentBrightness() {
        return brightness;
    }
}