# coding: utf-8
from __future__ import unicode_literals

import json
import re

from .common import InfoExtractor
from ..utils import (
    determine_ext,
    ExtractorError,
    int_or_none,
    parse_duration,
    parse_iso8601,
    xpath_element,
    xpath_text,
)


class BRIE(InfoExtractor):
    IE_DESC = "Bayerischer Rundfunk"
    _VALID_URL = r"(?P<base_url>https?://(?:www\.)?br(?:-klassik)?\.de)/(?:[a-z0-9\-_]+/)+(?P<id>[a-z0-9\-_]+)\.html"

    _TESTS = [
        {
            "url": "http://www.br.de/mediathek/video/sendungen/abendschau/betriebliche-altersvorsorge-104.html",
            "md5": "83a0477cf0b8451027eb566d88b51106",
            "info_dict": {
                "id": "48f656ef-287e-486f-be86-459122db22cc",
                "ext": "mp4",
                "title": "Die böse Überraschung",
                "description": "md5:ce9ac81b466ce775b8018f6801b48ac9",
                "duration": 180,
                "uploader": "Reinhard Weber",
                "upload_date": "20150422",
            },
            "skip": "404 not found",
        },
        {
            "url": "http://www.br.de/nachrichten/oberbayern/inhalt/muenchner-polizeipraesident-schreiber-gestorben-100.html",
            "md5": "af3a3a4aa43ff0ce6a89504c67f427ef",
            "info_dict": {
                "id": "a4b83e34-123d-4b81-9f4e-c0d3121a4e05",
                "ext": "flv",
                "title": "Manfred Schreiber ist tot",
                "description": "md5:b454d867f2a9fc524ebe88c3f5092d97",
                "duration": 26,
            },
            "skip": "404 not found",
        },
        {
            "url": "https://www.br-klassik.de/audio/peeping-tom-premierenkritik-dance-festival-muenchen-100.html",
            "md5": "8b5b27c0b090f3b35eac4ab3f7a73d3d",
            "info_dict": {
                "id": "74c603c9-26d3-48bb-b85b-079aeed66e0b",
                "ext": "aac",
                "title": "Kurzweilig und sehr bewegend",
                "description": "md5:0351996e3283d64adeb38ede91fac54e",
                "duration": 296,
            },
            "skip": "404 not found",
        },
        {
            "url": "http://www.br.de/radio/bayern1/service/team/videos/team-video-erdelt100.html",
            "md5": "dbab0aef2e047060ea7a21fc1ce1078a",
            "info_dict": {
                "id": "6ba73750-d405-45d3-861d-1ce8c524e059",
                "ext": "mp4",
                "title": "Umweltbewusster Häuslebauer",
                "description": "md5:d52dae9792d00226348c1dbb13c9bae2",
                "duration": 116,
            },
        },
        {
            "url": "http://www.br.de/fernsehen/br-alpha/sendungen/kant-fuer-anfaenger/kritik-der-reinen-vernunft/kant-kritik-01-metaphysik100.html",
            "md5": "23bca295f1650d698f94fc570977dae3",
            "info_dict": {
                "id": "d982c9ce-8648-4753-b358-98abb8aec43d",
                "ext": "mp4",
                "title": "Folge 1 - Metaphysik",
                "description": "md5:bb659990e9e59905c3d41e369db1fbe3",
                "duration": 893,
                "uploader": "Eva Maria Steimle",
                "upload_date": "20170208",
            },
        },
    ]

    def _real_extract(self, url):
        base_url, display_id = re.search(self._VALID_URL, url).groups()
        page = self._download_webpage(url, display_id)
        xml_url = self._search_regex(
            r"return BRavFramework\.register\(BRavFramework\('avPlayer_(?:[a-f0-9-]{36})'\)\.setup\({dataURL:'(/(?:[a-z0-9\-]+/)+[a-z0-9/~_.-]+)'}\)\);",
            page,
            "XMLURL",
        )
        xml = self._download_xml(base_url + xml_url, display_id)

        medias = []

        for xml_media in xml.findall("video") + xml.findall("audio"):
            media_id = xml_media.get("externalId")
            media = {
                "id": media_id,
                "title": xpath_text(xml_media, "title", "title", True),
                "duration": parse_duration(xpath_text(xml_media, "duration")),
                "formats": self._extract_formats(
                    xpath_element(xml_media, "assets"), media_id
                ),
                "thumbnails": self._extract_thumbnails(
                    xpath_element(xml_media, "teaserImage/variants"), base_url
                ),
                "description": xpath_text(xml_media, "desc"),
                "webpage_url": xpath_text(xml_media, "permalink"),
                "uploader": xpath_text(xml_media, "author"),
            }
            broadcast_date = xpath_text(xml_media, "broadcastDate")
            if broadcast_date:
                media["upload_date"] = "".join(reversed(broadcast_date.split(".")))
            medias.append(media)

        if len(medias) > 1:
            self._downloader.report_warning(
                "found multiple medias; please "
                "report this with the video URL to http://yt-dl.org/bug"
            )
        if not medias:
            raise ExtractorError("No media entries found")
        return medias[0]

    def _extract_formats(self, assets, media_id):
        formats = []
        for asset in assets.findall("asset"):
            format_url = xpath_text(asset, ["downloadUrl", "url"])
            asset_type = asset.get("type")
            if asset_type.startswith("HDS"):
                formats.extend(
                    self._extract_f4m_formats(
                        format_url + "?hdcore=3.2.0",
                        media_id,
                        f4m_id="hds",
                        fatal=False,
                    )
                )
            elif asset_type.startswith("HLS"):
                formats.extend(
                    self._extract_m3u8_formats(
                        format_url,
                        media_id,
                        "mp4",
                        "m3u8_native",
                        m3u8_id="hds",
                        fatal=False,
                    )
                )
            else:
                format_info = {
                    "ext": xpath_text(asset, "mediaType"),
                    "width": int_or_none(xpath_text(asset, "frameWidth")),
                    "height": int_or_none(xpath_text(asset, "frameHeight")),
                    "tbr": int_or_none(xpath_text(asset, "bitrateVideo")),
                    "abr": int_or_none(xpath_text(asset, "bitrateAudio")),
                    "vcodec": xpath_text(asset, "codecVideo"),
                    "acodec": xpath_text(asset, "codecAudio"),
                    "container": xpath_text(asset, "mediaType"),
                    "filesize": int_or_none(xpath_text(asset, "size")),
                }
                format_url = self._proto_relative_url(format_url)
                if format_url:
                    http_format_info = format_info.copy()
                    http_format_info.update(
                        {
                            "url": format_url,
                            "format_id": "http-%s" % asset_type,
                        }
                    )
                    formats.append(http_format_info)
                server_prefix = xpath_text(asset, "serverPrefix")
                if server_prefix:
                    rtmp_format_info = format_info.copy()
                    rtmp_format_info.update(
                        {
                            "url": server_prefix,
                            "play_path": xpath_text(asset, "fileName"),
                            "format_id": "rtmp-%s" % asset_type,
                        }
                    )
                    formats.append(rtmp_format_info)
        self._sort_formats(formats)
        return formats

    def _extract_thumbnails(self, variants, base_url):
        thumbnails = [
            {
                "url": base_url + xpath_text(variant, "url"),
                "width": int_or_none(xpath_text(variant, "width")),
                "height": int_or_none(xpath_text(variant, "height")),
            }
            for variant in variants.findall("variant")
            if xpath_text(variant, "url")
        ]
        thumbnails.sort(key=lambda x: x["width"] * x["height"], reverse=True)
        return thumbnails


class BRMediathekIE(InfoExtractor):
    IE_DESC = "Bayerischer Rundfunk Mediathek"
    _VALID_URL = (
        r"https?://(?:www\.)?br\.de/mediathek/video/[^/?&#]*?-(?P<id>av:[0-9a-f]{24})"
    )

    _TESTS = [
        {
            "url": "https://www.br.de/mediathek/video/gesundheit-die-sendung-vom-28112017-av:5a1e6a6e8fce6d001871cc8e",
            "md5": "fdc3d485835966d1622587d08ba632ec",
            "info_dict": {
                "id": "av:5a1e6a6e8fce6d001871cc8e",
                "ext": "mp4",
                "title": "Die Sendung vom 28.11.2017",
                "description": "md5:6000cdca5912ab2277e5b7339f201ccc",
                "timestamp": 1511942766,
                "upload_date": "20171129",
            },
        }
    ]

    def _real_extract(self, url):
        clip_id = self._match_id(url)

        clip = self._download_json(
            "https://proxy-base.master.mango.express/graphql",
            clip_id,
            data=json.dumps(
                {
                    "query": """{
  viewer {
    clip(id: "%s") {
      title
      description
      duration
      createdAt
      ageRestriction
      videoFiles {
        edges {
          node {
            publicLocation
            fileSize
            videoProfile {
              width
              height
              bitrate
              encoding
            }
          }
        }
      }
      captionFiles {
        edges {
          node {
            publicLocation
          }
        }
      }
      teaserImages {
        edges {
          node {
            imageFiles {
              edges {
                node {
                  publicLocation
                  width
                  height
                }
              }
            }
          }
        }
      }
    }
  }
}"""
                    % clip_id
                }
            ).encode(),
            headers={
                "Content-Type": "application/json",
            },
        )["data"]["viewer"]["clip"]
        title = clip["title"]

        formats = []
        for edge in clip.get("videoFiles", {}).get("edges", []):
            node = edge.get("node", {})
            n_url = node.get("publicLocation")
            if not n_url:
                continue
            ext = determine_ext(n_url)
            if ext == "m3u8":
                formats.extend(
                    self._extract_m3u8_formats(
                        n_url, clip_id, "mp4", "m3u8_native", m3u8_id="hls", fatal=False
                    )
                )
            else:
                video_profile = node.get("videoProfile", {})
                tbr = int_or_none(video_profile.get("bitrate"))
                format_id = "http"
                if tbr:
                    format_id += "-%d" % tbr
                formats.append(
                    {
                        "format_id": format_id,
                        "url": n_url,
                        "width": int_or_none(video_profile.get("width")),
                        "height": int_or_none(video_profile.get("height")),
                        "tbr": tbr,
                        "filesize": int_or_none(node.get("fileSize")),
                    }
                )
        self._sort_formats(formats)

        subtitles = {}
        for edge in clip.get("captionFiles", {}).get("edges", []):
            node = edge.get("node", {})
            n_url = node.get("publicLocation")
            if not n_url:
                continue
            subtitles.setdefault("de", []).append(
                {
                    "url": n_url,
                }
            )

        thumbnails = []
        for edge in clip.get("teaserImages", {}).get("edges", []):
            for image_edge in (
                edge.get("node", {}).get("imageFiles", {}).get("edges", [])
            ):
                node = image_edge.get("node", {})
                n_url = node.get("publicLocation")
                if not n_url:
                    continue
                thumbnails.append(
                    {
                        "url": n_url,
                        "width": int_or_none(node.get("width")),
                        "height": int_or_none(node.get("height")),
                    }
                )

        return {
            "id": clip_id,
            "title": title,
            "description": clip.get("description"),
            "duration": int_or_none(clip.get("duration")),
            "timestamp": parse_iso8601(clip.get("createdAt")),
            "age_limit": int_or_none(clip.get("ageRestriction")),
            "formats": formats,
            "subtitles": subtitles,
            "thumbnails": thumbnails,
        }
