# -*- encoding: utf-8 -*-
"""
@File    : DeviceReportController.py
@Time    : 2025/4/8 16:33
@Author  : stephen
@Email   : zhangdongming@asj6.wecom.work
@Software: PyCharm
"""
import logging
from datetime import datetime, timezone

from django.http import JsonResponse
from django.views import View
from django.core.exceptions import ValidationError

from Model.models import DeviceDailyReport
from Service.DevicePushService import DevicePushService

TIME_LOGGER = logging.getLogger('time')
ERROR_INFO_LOGGER = logging.getLogger('error_info')


class DeviceReportView(View):
    def post(self, request, *args, **kwargs):
        operation = kwargs.get('operation')
        if operation == 'batteryLevel':
            return self.handle_battery_report(request.POST)
        return JsonResponse(
            {'code': 404, 'msg': 'Operation not found'},
            status=404
        )

    def handle_battery_report(self, data):
        try:
            # 验证并解码设备令牌
            etk = data.get('etk')
            TIME_LOGGER.info(f'设备电池报告参数:{data}')
            if not etk:
                raise ValidationError('Missing etk parameter')

            uid = DevicePushService.decode_uid(etk, None)
            if len(uid) not in (14, 20):
                raise ValidationError('Invalid device UID format')

            # 参数提取和类型转换
            wake_sleep = self.parse_int_param(data, 'pirWakeupCount') + self.parse_int_param(data, 'mqttWakeupCount')
            report_params = {
                'human_detection': self.parse_int_param(data, 'humanDetection'),
                'pir_wakeup_count': self.parse_int_param(data, 'pirWakeupCount'),
                'mqtt_wakeup_count': self.parse_int_param(data, 'mqttWakeupCount'),
                'wake_sleep': wake_sleep,
                'working_hours': self.parse_int_param(data, 'workingHours'),
                'battery_level': self.parse_int_param(data, 'batteryLevel'),
                'report_time': self.parse_int_param(data, 'reportTime'),
            }

            # 时间戳验证
            report_date = datetime.fromtimestamp(report_params['report_time'], tz=timezone.utc)

            # 数据库操作
            DeviceDailyReport.objects.create(
                device_id=uid,
                type=1,
                report_date=report_date,
                **report_params
            )

            TIME_LOGGER.info(f'设备保存电池报告uid: {uid}')
            return JsonResponse({'code': 0, 'msg': 'Report saved successfully'})

        except ValidationError as e:
            ERROR_INFO_LOGGER.warning(f'Validation error: {e.message}', exc_info=True)
            return JsonResponse({'code': 400, 'msg': e.message}, status=400)
        except Exception as e:
            ERROR_INFO_LOGGER.error(f'Unexpected error: {str(e)}', exc_info=True)
            return JsonResponse(
                {'code': 500, 'msg': 'Internal server error'},
                status=500
            )

    @classmethod
    def parse_int_param(cls, data, param_name):
        """辅助方法：安全提取并转换整型参数"""
        value = data.get(param_name)
        if not value:
            raise ValidationError(f'Missing {param_name} parameter')
        try:
            return int(value)
        except ValueError:
            raise ValidationError(f'Invalid {param_name} format')