"""
/**
* Copyright 2020 Zhejiang Lab. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================
*/
"""
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import sched
import sys

sys.path.append(r"./common")
import logging
import time
import json
import common.of_cnn_resnet as of_cnn_resnet
import numpy as np
import luascript.delaytaskscript as delay_script
import common.config as config
from datetime import datetime

schedule = sched.scheduler(time.time, time.sleep)

base_path = "/nfs/"
delayId = ""


def _init():
    of_cnn_resnet.init_resnet()
    logging.info('env init finished')


def process(task_dict, key):
    """Imagenet task method.
        Args:
            task_dict: imagenet task details.
            key: imagenet task key.
    """
    global delayId
    delayId = "\"" + eval(str(key, encoding="utf-8")) + "\""
    task_dict = json.loads(task_dict)
    id_list = []
    image_path_list = []
    for file in task_dict["files"]:
        id_list.append(file["id"])
        image_path_list.append(base_path + file["url"])
    label_list = task_dict["labels"]
    image_num = len(image_path_list)
    annotations = []
    for inds in range(len(image_path_list)):
        temp = {}
        temp['id'] = id_list[inds]
        score, ca_id = of_cnn_resnet.resnet_inf(image_path_list[inds])
        temp['annotation'] = [{'category_id': int(ca_id), 'score': np.float(score)}]
        temp['annotation'] = json.dumps(temp['annotation'])
        annotations.append(temp)
    result = {"annotations": annotations, "task": key.decode()}
    return result


def delaySchduled(inc, redisClient):
    """Delay task method.
        Args:
            inc: scheduled task time.
            redisClient: redis client.
    """
    try:
        print("delay:" + datetime.now().strftime("B%Y-%m-%d %H:%M:%S"))
        redisClient.eval(delay_script.delayTaskLua, 1, config.imagenetStartQueue, delayId, int(time.time()))
        schedule.enter(inc, 0, delaySchduled, (inc, redisClient))
    except Exception as e:
        print("delay error" + e)


def delayKeyThread(redisClient):
    """Delay task thread.
        Args:
            redisClient: redis client.
    """
    schedule.enter(0, 0, delaySchduled, (5, redisClient))
    schedule.run()