import time
import threading


class MockHeater:
    def __init__(self, port: str = "MOCK"):
        self.port = port
        self._current_temperature: float = 25.0  # 室温开始
        self._target_temperature: float = 25.0
        self._status: str = "Idle"
        self._is_heating: bool = False
        self._power_on: bool = False
        self._heating_power: float = 0.0  # 加热功率百分比 0-100
        self._max_temperature: float = 300.0  # 最大加热温度

        # 模拟加热过程的线程
        self._heating_thread = None
        self._running = False

    @property
    def current_temperature(self) -> float:
        """当前温度 - 会被自动识别的设备属性"""
        return self._current_temperature

    @property
    def target_temperature(self) -> float:
        """目标温度"""
        return self._target_temperature

    @property
    def status(self) -> str:
        """设备状态 - 会被自动识别的设备属性"""
        return self._status

    @property
    def power_on(self) -> bool:
        """电源状态"""
        return self._power_on

    @property
    def is_heating(self) -> bool:
        """是否正在加热"""
        return self._is_heating

    @property
    def heating_power(self) -> float:
        """加热功率百分比"""
        return self._heating_power

    @property
    def max_temperature(self) -> float:
        """最大加热温度"""
        return self._max_temperature

    def set_temperature(self, temperature: float):
        """设置目标温度 - 需要在注册表添加的设备动作"""
        try:
            temperature = float(temperature)
        except ValueError:
            self._status = "Error: Invalid temperature value"
            return False

        if not self._power_on:
            self._status = "Error: Power Off"
            return False

        if temperature > self._max_temperature:
            self._status = f"Error: Temperature exceeds maximum ({self._max_temperature}°C)"
            return False

        self._target_temperature = temperature
        self._status = "Setting Temperature"

        # 启动加热控制
        self._start_heating_control()
        return True

    def set_heating_power(self, power: float):
        """设置加热功率"""
        try:
            power = float(power)
        except ValueError:
            self._status = "Error: Invalid power value"
            return False

        if not self._power_on:
            self._status = "Error: Power Off"
            return False

        self._heating_power = max(0.0, min(100.0, power))  # 限制在0-100%
        return True

    def power_on_off(self, power_state: str):
        """开关机控制，接收字符串命令 "On" 或 "Off" """
        power_state = power_state.capitalize()
        if power_state not in ["On", "Off"]:
            self._status = "Error: Invalid power state"
            return "Error"
        self._power_on = True if power_state == "On" else False
        if self._power_on:
            self._status = "Power On"
            self._start_heating_control()
        else:
            self._status = "Power Off"
            self._stop_heating_control()
            self._is_heating = False
            self._heating_power = 0.0
        return "Success"

    def _start_heating_control(self):
        """启动加热控制线程"""
        if not self._running and self._power_on:
            self._running = True
            self._heating_thread = threading.Thread(target=self._heating_control_loop)
            self._heating_thread.daemon = True
            self._heating_thread.start()

    def _stop_heating_control(self):
        """停止加热控制"""
        self._running = False
        if self._heating_thread:
            self._heating_thread.join(timeout=1.0)

    def _heating_control_loop(self):
        """加热控制循环 - 模拟真实加热器的温度变化"""
        while self._running and self._power_on:
            temp_diff = self._target_temperature - self._current_temperature

            if abs(temp_diff) < 0.5:  # 温度接近目标值
                self._status = "At Target Temperature"
                self._is_heating = False
                self._heating_power = 10.0  # 维持温度的最小功率
            elif temp_diff > 0:  # 需要加热
                self._status = "Heating"
                self._is_heating = True
                # 根据温差调整加热功率
                if temp_diff > 50:
                    self._heating_power = 100.0
                elif temp_diff > 20:
                    self._heating_power = 80.0
                elif temp_diff > 10:
                    self._heating_power = 60.0
                else:
                    self._heating_power = 40.0

                # 模拟加热过程，加热速度与功率成正比
                heating_rate = self._heating_power / 100.0 * 2.0  # 最大每秒升温2度
                self._current_temperature += heating_rate
            else:  # 目标温度低于当前温度，自然冷却
                self._status = "Cooling Down"
                self._is_heating = False
                self._heating_power = 0.0
                # 模拟自然冷却，每秒降低0.2度
                self._current_temperature -= 0.2

            # 限制温度范围
            self._current_temperature = max(20.0, min(self._max_temperature, self._current_temperature))

            time.sleep(1.0)  # 每秒更新一次

    def emergency_stop(self):
        """紧急停止"""
        self._status = "Emergency Stop"
        self._stop_heating_control()
        self._is_heating = False
        self._heating_power = 0.0

    def get_status_info(self) -> dict:
        """获取完整状态信息"""
        return {
            "current_temperature": self._current_temperature,
            "target_temperature": self._target_temperature,
            "status": self._status,
            "power_on": self._power_on,
            "is_heating": self._is_heating,
            "heating_power": self._heating_power,
            "max_temperature": self._max_temperature,
        }


# 用于测试的主函数
if __name__ == "__main__":
    heater = MockHeater()

    # 测试基本功能
    print("启动加热器测试...")
    heater.power_on_off("On")
    print(f"初始状态: {heater.get_status_info()}")

    # 设置目标温度为80度
    heater.set_temperature(80.0)

    # 模拟运行15秒
    for i in range(15):
        time.sleep(1)
        print(
            f"第{i+1}秒: 当前温度={heater.current_temperature:.1f}°C, 功率={heater.heating_power:.1f}%, "
            f"状态={heater.status}"
        )

    heater.emergency_stop()
    print("测试完成")