def check_proxy(proxies):
    import requests
    proxies_https = proxies['https'] if proxies is not None else '无'
    try:
        response = requests.get("https://ipapi.co/json/",
                                proxies=proxies, timeout=4)
        data = response.json()
        print(f'查询代理的地理位置，返回的结果是{data}')
        if 'country_name' in data:
            country = data['country_name']
            result = f"代理配置 {proxies_https}, 代理所在地：{country}"
        elif 'error' in data:
            result = f"代理配置 {proxies_https}, 代理所在地：未知，IP查询频率受限"
        print(result)
        return result
    except:
        result = f"代理配置 {proxies_https}, 代理所在地查询超时，代理可能无效"
        print(result)
        return result


def backup_and_download(current_version, remote_version):
    """
    一键更新协议：备份和下载
    """
    from toolbox import get_conf
    import shutil
    import os
    import requests
    import zipfile
    os.makedirs(f'./history', exist_ok=True)
    backup_dir = f'./history/backup-{current_version}/'
    new_version_dir = f'./history/new-version-{remote_version}/'
    if os.path.exists(new_version_dir):
        return new_version_dir
    os.makedirs(new_version_dir)
    shutil.copytree('./', backup_dir, ignore=lambda x, y: ['history'])
    proxies, = get_conf('proxies')
    r = requests.get(
        'https://github.com/binary-husky/chatgpt_academic/archive/refs/heads/master.zip', proxies=proxies, stream=True)
    zip_file_path = backup_dir+'/master.zip'
    with open(zip_file_path, 'wb+') as f:
        f.write(r.content)
    dst_path = new_version_dir
    with zipfile.ZipFile(zip_file_path, "r") as zip_ref:
        for zip_info in zip_ref.infolist():
            dst_file_path = os.path.join(dst_path, zip_info.filename)
            if os.path.exists(dst_file_path):
                os.remove(dst_file_path)
            zip_ref.extract(zip_info, dst_path)
    return new_version_dir


def patch_and_restart(path):
    """
    一键更新协议：覆盖和重启
    """
    import distutils
    import shutil
    import os
    import sys
    import time
    from colorful import print亮黄, print亮绿, print亮红
    # if not using config_private, move origin config.py as config_private.py
    if not os.path.exists('config_private.py'):
        print亮黄('由于您没有设置config_private.py私密配置，现将您的现有配置移动至config_private.py以防止配置丢失，',
              '另外您可以随时在history子文件夹下找回旧版的程序。')
        shutil.copyfile('config.py', 'config_private.py')
    distutils.dir_util.copy_tree(path+'/chatgpt_academic-master', './')
    import subprocess
    print亮绿('更新包依赖中……')
    for i in reversed(range(5)): time.sleep(1); print(i)
    subprocess.check_call([sys.executable, '-m', 'pip', 'install', '-r', 'requirements.txt'])
    print亮绿('更新完成，您可以随时在history子文件夹下找回旧版的程序，5s之后重启')
    print亮红('假如重启失败，您可能需要手动安装新增的依赖库 `python -m pip install -r requirements.txt`，然后在用常规的`python main.py`的方式启动。')
    for i in reversed(range(5)): time.sleep(1); print(i)
    print(' ------------------------------ -----------------------------------')
    os.execl(sys.executable, sys.executable, *sys.argv)


def get_current_version():
    import json
    try:
        with open('./version', 'r', encoding='utf8') as f:
            current_version = json.loads(f.read())['version']
    except:
        current_version = ""
    return current_version


def auto_update():
    """
    一键更新协议：查询版本和用户意见
    """
    try:
        from toolbox import get_conf
        import requests
        import time
        import json
        proxies, = get_conf('proxies')
        response = requests.get(
            "https://raw.githubusercontent.com/binary-husky/chatgpt_academic/master/version", proxies=proxies, timeout=1)
        remote_json_data = json.loads(response.text)
        remote_version = remote_json_data['version']
        if remote_json_data["show_feature"]:
            new_feature = "新功能：" + remote_json_data["new_feature"]
        else:
            new_feature = ""
        with open('./version', 'r', encoding='utf8') as f:
            current_version = f.read()
            current_version = json.loads(current_version)['version']
        if (remote_version - current_version) >= 0.05:
            from colorful import print亮黄
            print亮黄(
                f'\n新版本可用。新版本:{remote_version}，当前版本:{current_version}。{new_feature}')
            print('（1）Github更新地址:\nhttps://github.com/binary-husky/chatgpt_academic\n')
            user_instruction = input('（2）是否一键更新代码（Y+回车=确认，输入其他/无输入+回车=不更新）？')
            if user_instruction in ['Y', 'y']:
                path = backup_and_download(current_version, remote_version)
                try:
                    patch_and_restart(path)
                except:
                    print('更新失败。')
            else:
                print('自动更新程序：已禁用')
                return
        else:
            return
    except:
        print('自动更新程序：已禁用')


if __name__ == '__main__':
    import os
    os.environ['no_proxy'] = '*'  # 避免代理网络产生意外污染
    from toolbox import get_conf
    proxies, = get_conf('proxies')
    check_proxy(proxies)