from __future__ import print_function

import re

from streamlink import NoStreamsError
from streamlink.compat import urljoin
from streamlink.plugin import Plugin
from streamlink.plugin.api import http
from streamlink.plugin.api import useragents
from streamlink.plugin.api import validate
from streamlink.stream import HLSStream
from streamlink.utils import parse_json


class Mitele(Plugin):
    _url_re = re.compile(r"https?://(?:www\.)?mitele\.es/directo/(?P<channel>\w+)")
    _suffix_re = re.compile(r"""acl=(?P<path>[^"'*]+)""")

    # For more informations see:
    # https://github.com/streamlink/streamlink/issues/1337
    livehlsdai = "https://livehlsdai-i.akamaihd.net"
    mdslivehls = "https://mdslivehls-i.akamaihd.net"

    _channel_domains = {
        "bemad": mdslivehls,
        "boing": mdslivehls,
        "cuatro": livehlsdai,
        "divinity": mdslivehls,
        "energy": mdslivehls,
        "fdf": mdslivehls,
        "telecinco": livehlsdai,
    }

    pdata_url = "https://indalo.mediaset.es/mmc-player/api/mmc/v1/{channel}/live/flash.json"
    gate_url = "https://gatekeeper.mediaset.es"

    pdata_schema = validate.Schema(
        validate.all(
            {
                "locations": [{
                    "gcp": validate.text,
                    "ogn": validate.text,
                }],
            },
            validate.get("locations"),
            validate.get(0),
        )
    )

    def __init__(self, url):
        super(Mitele, self).__init__(url)
        self.headers = {
            "User-Agent": useragents.FIREFOX,
            "Referer": self.url
        }

    @classmethod
    def can_handle_url(cls, url):
        m = cls._url_re.match(url)
        return m and m.group("channel") in cls._channel_domains.keys()

    def get_pdata(self, channel):
        """
        Get the params for the post request
        :param channel: channel name
        :return: "gcp" and "ogn"
        """
        res = http.get(self.pdata_url.format(channel=channel))
        return parse_json(res.text, schema=self.pdata_schema)

    def create_hls_url(self, suffix):
        """
        creates a valid hls_url
        :param suffix: url session params
        :return: hls_url
        """
        m = self._suffix_re.search(suffix)
        if not m:
            return
        self.logger.debug("create hls_url from suffix")

        channel = self._url_re.match(self.url).group("channel")
        domain = self._channel_domains[channel]
        path = m.group("path")
        path_suffix = "master.m3u8?{suffix}".format(suffix=suffix)

        hls_url = urljoin(domain, path)
        hls_url = urljoin(hls_url, path_suffix)
        return hls_url

    def get_stream_url(self, data):
        """
        Get the hls_url from the post request
        :param data: dict with "gcp" and "ogn"
        :return: hls_url
        """
        try:
            res = http.post(self.gate_url, headers=self.headers, data=data)
        except Exception as e:
            if "403" in str(e):
                self.logger.error("This Video is Not Available in Your Country.")
            raise NoStreamsError(self.url)

        r_data = parse_json(res.text)
        hls_url = r_data.get("stream")
        suffix = r_data.get("suffix")

        if hls_url is None and suffix:
            hls_url = self.create_hls_url(suffix)
        return hls_url

    def _get_streams(self):
        channel = self._url_re.match(self.url).group("channel")

        pdata = self.get_pdata(channel)
        hls_url = self.get_stream_url(pdata)

        if hls_url:
            self.logger.debug("HLS URL: {0}".format(hls_url))
            for s in HLSStream.parse_variant_playlist(self.session, hls_url, headers=self.headers).items():
                yield s


__plugin__ = Mitele
