import os.path
import re
import random
import time

import httpx

url_key = 'UHh0dkRPOWwyV2R2V0ZFU3hMRFZaZz09.html?'
url_photos = '/photos/'
base_url = 'https://www.kaizty.com/'
url_page = 'page={}'

headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 Edg/122.0.0.0'
}


def get_pages():
    title = ''
    all_img_list = []

    error_times = 0
    max_error_times = 2
    page = 1

    while True:
        if error_times >= max_error_times:
            break

        print('正在获取第 {} 页数据'.format(page))
        url = base_url + url_photos + url_key + url_page.format(page)
        page += 1

        response = httpx.get(url, headers=headers)
        response.encoding = 'utf-8'
        html = response.text
        target_block = re.findall('<\!\[endif\]--><title>(.*?)<meta property="og:locale"', html)
        if not target_block:
            continue
        target_block = target_block[0]
        if not title:
            re_title = re.findall('(.*?)\| Page', target_block)
            if not re_title:
                print('获取 title 失败')
                error_times += 1
                continue
            re_title = re_title[0]
            title = re.sub(r'[<>:"/\\|?*]', '', re_title)
            title = title.replace(' ', '')

        img_list = re.findall('<meta itemprop="image" content="(.*?)"', target_block)
        if not img_list:
            print('获取图片链接失败, 第{}页'.format(page))
            error_times += 1
            continue
        all_img_list += img_list
        # time.sleep(random.uniform(2, 3))

    return all_img_list, title


def get_imgs(all_img_list, title):
    print('\n\n开始保存图片')

    current_directory = os.getcwd()

    if not os.path.exists(title):
        os.mkdir(title)

    img_dir = os.path.join(current_directory, title)
    files = [f for f in os.listdir(img_dir) if os.path.isfile(os.path.join(img_dir, f))]

    now_last_num = 1
    if files:
        now_last_num = int(files[-1].split('.')[0])

    for n in range(now_last_num, len(all_img_list)):
        img = httpx.get(all_img_list[n], headers=headers)

        if not img.status_code == 200:
            print('请求图片错误, 程序退出')
            raise Exception(f'状态码 {img.status_code}')

        file_name = f"{n:04d}" + "." + all_img_list[n].split(".")[-1]
        print('正在保存图片: {}'.format(file_name))
        with open(title + "/" + file_name, "wb") as f:
            f.write(img.content)
            # time.sleep(random.uniform(8, 10))


if __name__ == '__main__':
    all_img_list, title = get_pages()

    while True:
        try:
            get_imgs(all_img_list, title)
        except Exception as e:
            print(e)
            time.sleep(random.uniform(30, 40))
            continue
        else:
            print("程序执行完成，退出循环")
            break

print("done")