import httpx

import time
from datetime import datetime, timedelta

import retrying
import execjs
from lxml import etree
import json
from loguru import logger

import threading
from queue import Queue
import requests

class GK:

    def __init__(self):
        self.search_flights_api = "https://booking.jetstar.com/hk/zh/booking/search-flights"

        with open('../akm/逆向.js', encoding='utf-8') as f:
            js = f.read()
        self.ctx = execjs.compile(js)
        ja3 = "771,4865-4866-4867-49195-49199-49196-49200-52393-52392-49171-49172-156-157-47-53,5-10-11-17613-45-43-0-23-18-65037-27-35-13-51-65281-16-41,4588-29-23-24,0"

        self.client = httpx.Client(
            http2=True,
            verify=False
        )


        # self.session = requests.Session()
        self.headers = {
            "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
            "accept-language": "zh-CN,zh;q=0.9",
            "cache-control": "no-cache",
            "pragma": "no-cache",
            "priority": "u=0, i",
            "referer": "https://booking.jetstar.com/",
            "sec-ch-ua": "\"Google Chrome\";v=\"135\", \"Not-A.Brand\";v=\"8\", \"Chromium\";v=\"135\"",
            "sec-ch-ua-mobile": "?0",
            "sec-ch-ua-platform": "\"Windows\"",
            "sec-fetch-dest": "document",
            "sec-fetch-mode": "navigate",
            "sec-fetch-site": "same-origin",
            "sec-fetch-user": "?1",
            "upgrade-insecure-requests": "1",
            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
        }

    def get_cookie(self):
        logger.debug('正在获取 cookie bm-sz...')

        # akm js file url
        akm_url = "https://booking.jetstar.com/MkuYlo/pcp/LD0/PPluEQ/1ik7QcJffXbmL53i/QTcvXmg7/KS5kC3N/VRQcB"

        data = {
            'sensor_data': self.ctx.call('encrypt1')
        }
        response = self.client.post(akm_url, headers=self.headers, data=data,
                                     # proxies=self.proxies
                                     )
        # print(response.http_version)  # 应该显示 "HTTP/2"

        # print(response.text)
        bmsz = response.cookies.get('bm_sz')

        data2 = {
            "sensor_data": self.ctx.call('encrypt2', bmsz)
        }

        data2 = json.dumps(data2)
        response2 = self.client.post(akm_url, headers=self.headers, data=data2,
                                      # proxies=self.proxies
                                      )
        # print(response2.text)
        # print(response2.status_code)
        logger.debug(f'成功获取到 bm-sz :{bmsz}')


    @retrying.retry(stop_max_attempt_number=2)
    def send_get(self, url, params):
        print(dict(self.client.cookies))
        response = self.client.get(
            url,
            headers=self.headers,
            params=params,
        )
        print(response.status_code)
        print(response.text)
        if response.status_code == 302:
            url = 'https://booking.jetstar.com/hk/zh/booking/select-flights'
            response = self.client.get(url, headers=self.headers)

        print(response.status_code)
        print(response.text)
        return response

    @retrying.retry(stop_max_attempt_number=3)
    def get_data(self, datetime_str):
        params = {
            "s": "true",
            "adults": "1",  # 成年人
            "children": "0",  # 儿童
            "infants": "0",  # 婴儿
            "selectedclass1": "economy",  # 选择类型：经济舱
            "currency": "CNY",  # 货币
            "mon": "true",
            "channel": "DESKTOP",
            "origin1": "PVG",  # 出发地
            "destination1": "NRT",  # 目的地
            "departuredate1": datetime_str  # 出发时间
        }
        logger.info(f'正在采集 {datetime_str} 航班数据...')
        try:
            response = self.send_get(self.search_flights_api, params)

            if not response:
                return

            return datetime_str, response
            # print(response.text)

        except Exception as e:
            logger.error(e)
            # self.ip += 1
            self.get_cookie()
            raise
            # return datetime_str, None

    def parse_data(self, datetime_str, response):
        if not response:
            return

        html = etree.HTML(response.text)
        data = html.xpath("//script[@id='bundle-data-v2']/text()")
        if data:
            json_data = json.loads(data[0])
            print(datetime_str, ' => ', json_data)
        else:
            logger.warning(f'{datetime_str} 当天暂无数据 / 触发验证码')
            print(response.text)

    @staticmethod
    def gen_datetime(start_date, end_date):
        current_date = datetime.strptime(start_date, '%Y-%m-%d')
        end_date = datetime.strptime(end_date, '%Y-%m-%d')
        date_list = []
        while current_date <= end_date:
            date_list.append(current_date.strftime('%Y-%m-%d'))  # 转换为字符串格式存储
            current_date += timedelta(days=1)
        return date_list

    def run(self, start_date, end_date):
        self.get_cookie()
        # 获取采集时间
        for num, datetime_str in enumerate(self.gen_datetime(start_date, end_date)):
            # if num % 4 == 0:
            #     self.session = requests.Session()
            #     self.get_cookie()

            datetime_str, response = self.get_data(datetime_str)
            self.parse_data(datetime_str, response)
            time.sleep(2)


if __name__ == '__main__':
    gk = GK()
    gk.run(start_date='2025-05-15', end_date='2025-05-27')