import json
import time
import random

import requests
import scrapy
import urllib3

from gzh_spider import functions
from gzh_spider.items import GzhSpiderItem


class GzhAuthorSpider(scrapy.Spider):
    name = "gzh_author"
    # 获取token
    token_dict = functions.return_token()

    start_urls = []
    user_base_url = "https://mp.weixin.qq.com/cgi-bin/searchbiz?"
    video_base_url = "https://mp.weixin.qq.com/cgi-bin/appmsg?"
    begin = 0
    parse_params = functions.params("parse", token_dict)
    parse_headers = functions.header("parse", token_dict)
    parse_video_params = functions.params("parse_video", token_dict)
    parse_video_headers = functions.header("parse_video", token_dict)
    custom_settings = {
        "LOG_FILE": "/Users/luojunhui/cyber/gzh_spider/gzh_spider/logs/20230911.log",
        # "LOG_LEVEL": "INFO"
    }

    def __init__(self, *args, **kwargs):
        super(GzhAuthorSpider).__init__(*args, **kwargs)
        with open("/Users/luojunhui/cyber/gzh_spider/user_list.json", "r", encoding="utf-8") as f:
            data = json.loads(f.read())
        self.start_urls = data
        self.rule_dict = {}
        self.task_dict = {}

    def start_requests(self):
        for index, url_obj in enumerate(self.start_urls[200:250]):
            # 公众号和公众号之间等待2-4s
            time.sleep(random.randint(20, 40))
            print("start {} {}".format(index + 101, url_obj['link']))
            yield scrapy.Request(
                url=self.user_base_url,
                # headers=self.headers,
                dont_filter=True,
                callback=self.parse,
                cb_kwargs={"link": url_obj['link']}
            )

    def parse(self, response, link):
        request_p = self.parse_params
        request_p['query'] = link
        urllib3.disable_warnings()
        time.sleep(random.randint(5, 20))
        response_obj = requests.get(
            url=self.user_base_url,
            headers=self.parse_headers,
            params=request_p,
            verify=False
        )
        response_obj.close()
        result = response_obj.json()
        print(result)
        # 判断是否存在异常情况
        base_resp = result['base_resp']
        if base_resp['err_msg'] == "invalid session":
            print("invalid session, need to change token and cookie")
            return
        if base_resp['err_msg'] == "freq control":
            print("freq control, need to change token")
            return
        if base_resp['err_msg'] == "invalid args" and base_resp['ret'] == 200002:
            print("invalid args")
            return
        if base_resp['err_msg'] == "ok":
            if len(result['list']) == 0:
                print("No more videos")
            else:
                user_info_dict = {
                    "user_name": result['list'][0]['nickname'],
                    "user_id": result['list'][0]['fakeid'],
                    "avatar_url": result['list'][0]['round_head_img']
                }

                yield scrapy.Request(
                    url=self.video_base_url,
                    cb_kwargs=user_info_dict,
                    callback=self.parse_video
                )

    def parse_video(self, response, user_id, user_name, avatar_url):
        if response.status == 200:
            print('开始获取公众号信息详情')
            while True:
                video_params = self.parse_video_params
                video_params['begin'] = str(self.begin)
                video_params['fakeid'] = user_id
                print(json.dumps(video_params))
                urllib3.disable_warnings()
                r = requests.get(url=self.video_base_url, headers=self.parse_video_headers, params=video_params,
                                 verify=False)
                r.close()
                # 对请求结果进行判断，并且打日志
                video_list_result = r.json()
                print(video_list_result)
                if video_list_result['base_resp']['err_msg'] == "invalid session":
                    print("invalid session")
                    # continue
                    return
                if video_list_result['base_resp']['err_msg'] == "freq control":
                    print("freq control")
                    return
                    # continue
                if video_list_result['base_resp']['err_msg'] == "invalid args" and video_list_result['base_resp']['ret'] == 200002:
                    print("invalid args")
                    # continue
                # if video_list_result.get("app_msg_list", 0) != 0:
                #     print("频率控制")
                #     continue
                if len(video_list_result['app_msg_list']) == 0:
                    print("No more videos")
                    return
                app_msg_list = r.json()['app_msg_list']
                for article in app_msg_list:
                    create_time = article.get("create_time", 0)
                    update_time = article.get("update_time", 0)
                    publish_time_stamp = int(create_time)
                    update_time_stamp = int(update_time)
                    publish_time_str = time.strftime(
                        "%Y-%m-%d %H:%M:%S", time.localtime(publish_time_stamp)
                    )
                    article_url = article.get("link", "")
                    item = GzhSpiderItem()
                    item['video_id'] = article.get("aid", "")
                    item['video_title'] = article.get("title", "").replace(" ", "").replace('"', "").replace("'",
                                                                                                             "")
                    item['publish_time_stamp'] = publish_time_stamp
                    item['publish_time_str'] = publish_time_str
                    item['user_name'] = user_name
                    item['play_cnt'] = 0
                    item['comment_cnt'] = 0
                    item['like_cnt'] = 0
                    item['share_cnt'] = 0
                    item['user_id'] = user_id
                    item['avatar_url'] = avatar_url
                    item['cover_url'] = article.get("cover", "")
                    item['article_url'] = article.get("link", "")
                    item['video_url'] = functions.find_video_url(article_url)
                    item['session'] = f"gongzhonghao-author1-{int(time.time())}"
                    print(item)
                    # if functions.time_delta_flag(publish_time_stamp, update_time_stamp, self.rule_dict):
                    #     yield item
                    if functions.judge_time_temp(publish_time_stamp):
                        time.sleep(random.randint(2, 5))
                        yield item
                    else:
                        return
                # 翻页
                print("等待60s")
                time.sleep(60)
                self.begin += 5