import cqwu


def get_in_middle(text: str, start: str, end: str) -> str:
    return text.split(start, 1)[1].split(end, 1)[0]


class GetCalendarChange:
    async def get_calendar_change(
        self: "cqwu.Client",
        xue_nian: int = None,
        xue_qi: int = None,
    ) -> str:
        """获取课程表"""
        xue_nian = xue_nian or self.xue_nian
        xue_qi = xue_qi or self.xue_qi
        jw_html = await self.login_jwmis()
        jw_host = self.get_web_vpn_host(jw_html.url, https=True)
        jw_url = f"{jw_host}/cqwljw/student/jxap.jxaptzxx_rpt.jsp"
        jw_sg_url = f"{jw_host}/cqwljw/STU_DynamicInitDataAction.do"
        headers = {
            "Accept": "*/*",
            "Accept-Language": "zh-CN,zh;q=0.9",
            "Connection": "keep-alive",
            "Origin": "https://clientvpn.cqwu.edu.cn",
            "Referer": f"{jw_host}/cqwljw/student/jxap.jxaptzxx.html?menucode=S20302",
            "Sec-Fetch-Dest": "empty",
            "Sec-Fetch-Mode": "cors",
            "Sec-Fetch-Site": "same-origin",
            "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36 Edg/111.0.1661.41",
            "content-type": "application/x-www-form-urlencoded",
            "sec-ch-ua": '"Microsoft Edge";v="111", "Not(A:Brand";v="8", "Chromium";v="111"',
            "sec-ch-ua-mobile": "?0",
            "sec-ch-ua-platform": '"Windows"',
        }
        params = {
            "classPath": "C73E288D0DEA8D7F772BBD7F8FDC7E66F44C9E3992261989ECBAC5A3D722B306C6354658E0F25121E24CED075326C19885F263F369E5CD668E2EEE7CFB7EB5788F202FC6FD7DB0C96FB6995C1DD96ADE84BE3E72CFFBE9EC74FA044498BD2D21EA0439F9DC625F0EF61B7159924C542D577F814848F27128"
        }
        res = await self.request.post(
            jw_sg_url, params=params, headers=headers, timeout=60, follow_redirects=True
        )
        data = {
            "xh": get_in_middle(res.text, "<xh>", "</xh>"),
            "xn": str(xue_nian),
            "xq": str(xue_qi),
            "xnxq": f"{xue_nian},{xue_qi}",
            "menucode_current": "S20302",
        }
        headers = {
            "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,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": "max-age=0",
            "Connection": "keep-alive",
            "Content-Type": "application/x-www-form-urlencoded",
            "Origin": "https://clientvpn.cqwu.edu.cn",
            "Referer": f"{jw_host}/cqwljw/student/jxap.jxaptzxx.html?menucode=S20302",
            "Sec-Fetch-Dest": "iframe",
            "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/111.0.0.0 Safari/537.36 Edg/111.0.1661.41",
            "sec-ch-ua": '"Microsoft Edge";v="111", "Not(A:Brand";v="8", "Chromium";v="111"',
            "sec-ch-ua-mobile": "?0",
            "sec-ch-ua-platform": '"Windows"',
        }
        jw_html = await self.request.post(
            jw_url, data=data, headers=headers, timeout=60, follow_redirects=True
        )
        jw_html = jw_html.text.replace(
            """<script type="text/javascript" src="//clientvpn.cqwu.edu.cn/webvpn/bundle.debug.js" charset="utf-8"></script>""",
            "",
        )
        jw_html = jw_html.replace(
            """<script language='javascript' type='text/javascript' src='../js/Print.js'></script>""",
            "",
        )
        return jw_html.replace("<title></title>", '<meta charset="UTF-8">')