#!/opt/homebrew/bin/python3
# -*- coding:utf-8 -*-
import json
import time
from PyQt6 import *
from PyQt6.QtCore import *
from PyQt6.QtWidgets import *
from logs import log
from typing import Union
from inspect import isfunction
from globals import _G
import base64
import copy
import queue
from influxDB import influxdb
from common import common

# 延迟导入 taskActuatorManager，避免循环导入
taskActuatorManager = None
def getTaskActuatorManager():
    global taskActuatorManager
    if taskActuatorManager is None:
        from taskModel.taskActuatorManager import taskActuatorManager as tam
        taskActuatorManager = tam
    return taskActuatorManager

class InstructionModel(QObject):
    sendData = pyqtSignal(bytearray)
    ioCtrl = pyqtSignal(dict)
    logMsg = pyqtSignal(dict)

    def __init__(self):
        super().__init__()
        self.namespace = {}
        self.namespace['_G'] = _G
        self.namespace['tsdb'] = influxdb
        self.namespace['alert'] = self.alert
        self.namespace['scanf'] = self.scanf
        self.namespace['finish'] = self.stop
        self.namespace['stopAll'] = self.stopAll  # 添加停止所有任务接口
        self.namespace['send'] = self.send
        self.namespace['ioctrl'] = self.ioctrl

        self.namespace['log'] = self.log
        self.namespace['log_d'] = self.log_d
        self.namespace['log_i'] = self.log_i
        self.namespace['log_w'] = self.log_w
        self.namespace['log_e'] = self.log_e
        self.isFinished = False

    def setInfo(self, info, params=""):
       
        self.name = info["name"] or ""
        self.type = info["type"] or ""
        self.attr = info["attr"] or {}
        self.attr["params"] = self.is_json_string(params) and json.loads(params) or params
        self.script = self.attr["script"] and base64.b64decode(self.attr["script"]) or ""
        self.isFinished = False
        self.namespace['cmdInfo'] = copy.deepcopy(info) 
        if "attr" in self.namespace['cmdInfo']:
            if isinstance(self.namespace['cmdInfo']['attr'], str):
                jsObj = json.loads(self.namespace['cmdInfo']['attr'])
                if jsObj:
                    self.namespace['cmdInfo']['attr'] = jsObj
        
        if "script" in self.namespace['cmdInfo']['attr']:
            del self.namespace['cmdInfo']['attr']['script']
        if "attr_str" in self.namespace['cmdInfo']:
            del self.namespace['cmdInfo']['attr_str']

        # 在这里捕获异常
        try:
            exec(self.script, self.namespace)
        except IndexError as e:
            log.error(f"Script execution failed: {e}")
            common.showAlert.emit("脚本执行错误", str(e), 5000)  # 显示错误信息
    def is_json_string(self, string):  
        try: 
            if string.isdigit():
                return False
            json_object = json.loads(string) 
            return True  
        except:  
            return False 
    def setDevInfo(self, devInfo):
        self.namespace['devInfo'] = devInfo
        
    def setInterfaceInfo(self, intInfo):
        self.namespace['interfaceInfo'] = intInfo

    def setProInfo(self, proInfo):
        self.namespace['proInfo'] = proInfo
    def setUserInfo(self, userInfo):
        if 'password' in userInfo:
            del userInfo['password']
        self.namespace['userInfo'] = userInfo


    def start(self):
        if 'start' in self.namespace:            
            try:
                self.namespace['start']()  # 在这里捕获异常
            except Exception as e:
                log.error(f"Error in start method: {e}")
                common.showAlert.emit("启动错误", str(e), 5000)  # 显示错误信息
            return True
        return False
    
    @pyqtSlot(bytearray)
    def dataHandler(self, data):
        if 'recvDataHandler' in self.namespace and isfunction(self.namespace['recvDataHandler']):
            self.namespace['recvDataHandler'](data)

    def dataError(self, e):
        common.showAlert.emit("回执错误", str(e), 0)

    def alert(self, title, msg, time=3000):
        common.showAlert.emit(title, msg, time)

    def scanf(self, title, msg, value=""):
        common.scanfResult = "##SCANF##"
        common.showScanf.emit(title, msg, value)
        while True:
            if common.scanfResult != "##SCANF##":
                return common.scanfResult
            time.sleep(0.1)
    
    def stop(self):
        self.isFinished = True

    def stopAll(self):
        """请求停止所有运行中的任务（由主程序处理）"""
        try:
            tam = getTaskActuatorManager()
            # 获取当前指令所属的任务ID（如果有）
            current_task_id = None
            if 'cmdInfo' in self.namespace and isinstance(self.namespace['cmdInfo'], dict):
                current_task_id = self.namespace['cmdInfo'].get('id')
            
            # 发射信号让主程序处理
            tam.requestStopAll(current_task_id)
            log.info(f"指令请求 stopAll，任务ID: {current_task_id}")
        except Exception as e:
            log.error(f"stopAll 请求出错: {e}")
        return 0  # 立即返回

    def send(self, data):
        if isinstance(data, bytearray): 
            self.sendData.emit(data)

    def ioctrl(self, data):
        if isinstance(data, dict):
            self.ioCtrl.emit(data)

    def loop(self):
        if 'loop' in self.namespace and isfunction(self.namespace['loop']):
            self.namespace['loop']()

    def log_d(self, msg, tag="", color=""):
        self.log(msg, "DEBUG", tag, color)

    def log_i(self, msg, tag="", color=""):
        self.log(msg, "INFO", tag, color)

    def log_w(self, msg, tag="", color=""):
        self.log(msg, "WARNING", tag, color)

    def log_e(self, msg, tag="", color=""):
        self.log(msg, "ERROR", tag, color)

    def log(self, msg, level="INFO", tag="", color=""):
        if tag == "":
            tag = self.namespace['devInfo'].get('name', 'Unknown')
        if color == "":
            color_dict = {
                "DEBUG": "black",
                "INFO": "blue",
                "WARNING": "#FFA500",
                "ERROR": "red"
            }
            color = color_dict.get(level, "black")
        data = {
            "msg": msg,
            "level": level,
            "color": color,
            "tag": tag
        }
        self.logMsg.emit(data)