from hub import methods, Global

import threading
import time
import json
import os


class UserWorkRecord(object):
    """
    """
    users = dict()  # {<user_uuid>: {log_uuid: <UserWorkRecordList.uuid>, start_at, end_at}}

    @classmethod
    def init(cls):
        """初始化"""

        for item in Global.mdb.get_all('UserWorkRecordList', sort_field=[('start_at', -1)]):

            if item.get('user_uuid') not in cls.users:
                cls.users[item.get('user_uuid')] = {
                    'log_uuid': str(item.get('_id')),
                    'start_at': item.get('start_at'),
                    'end_at': item.get('end_at'),
                }
            if item.get('user_uuid') in cls.users:
                continue

    @classmethod
    def get_log_uuid(cls, user_uuid, log_time, vehicle_id, cockpit_id):
        """
        UserWorkRecordList: 用户操作记录
        UserWorkRecordList.uuid: 记录标识
        UserWorkRecordList.user_uuid: 用户标识
        UserWorkRecordList.start_at: 操作开始时间
        UserWorkRecordList.end_at: 操作结束时间
        UserWorkRecordList.cockpit_id: 舱端id
        UserWorkRecordList.vehicle_id: 车端id
        """
        # --- check ---
        if not user_uuid or not log_time:
            methods.debug_log(f"UserWorkRecord|40", f"#error40")
            return 'error40'

        # --- check ---
        r1 = user_uuid not in cls.users or log_time > cls.users[user_uuid].get('end_at') + 300  # 距离上次操作间隔300s，当做新的记录
        if r1:
            # --- add ---
            data = {
                'user_uuid': user_uuid,
                'start_at': log_time,
                'end_at': log_time,
                'vehicle_id': vehicle_id,
                'cockpit_id': cockpit_id,
            }
            log_uuid = Global.mdb.add('UserWorkRecordList', data)

            # --- update ---
            cls.users[user_uuid] = {
                'log_uuid': log_uuid,
                'start_at': log_time,
                'end_at': log_time,
            }
            return log_uuid

        # --- update --- 距离上次操作间隔60s，更新一下结束时间
        log_uuid = cls.users[user_uuid].get('log_uuid')
        if log_time > cls.users[user_uuid].get('end_at') + 60:
            Global.mdb.update_one_by_id('UserWorkRecordList', log_uuid, {'end_at': log_time})
            cls.users[user_uuid]['end_at'] = log_time

        return log_uuid