import functools

from .common import InfoExtractor
from .vimeo import VHXEmbedIE
from ..utils import (
    ExtractorError,
    OnDemandPagedList,
    clean_html,
    extract_attributes,
    get_element_by_class,
    get_element_by_id,
    get_elements_html_by_class,
    int_or_none,
    traverse_obj,
    unified_strdate,
    urlencode_postdata,
)


class SoftWhiteUnderbellyIE(InfoExtractor):
    _LOGIN_URL = "https://www.softwhiteunderbelly.com/login"
    _NETRC_MACHINE = "softwhiteunderbelly"

    _VALID_URL = r"https?://(?:www\.)?softwhiteunderbelly\.com/videos/(?P<id>.+)"
    _TESTS = [
        {
            "url": "https://www.softwhiteunderbelly.com/videos/kenneth-final1",
            "note": "A single Soft White Underbelly Episode",
            "md5": "8e79f29ec1f1bda6da2e0b998fcbebb8",
            "info_dict": {
                "id": "3201266",
                "ext": "mp4",
                "display_id": "kenneth-final1",
                "title": "Appalachian Man interview-Kenneth",
                "description": "Soft White Underbelly interview and portrait of Kenneth, an Appalachian man in Clay County, Kentucky.",
                "thumbnail": "https://vhx.imgix.net/softwhiteunderbelly/assets/249f6db0-2b39-49a4-979b-f8dad4681825.jpg",
                "uploader_url": "https://vimeo.com/user80538407",
                "uploader": "OTT Videos",
                "uploader_id": "user80538407",
                "duration": 512,
            },
            "expected_warnings": ["Failed to parse XML: not well-formed"],
        },
        {
            "url": "https://www.softwhiteunderbelly.com/videos/tj-2-final-2160p",
            "note": "A single Soft White Underbelly Episode",
            "md5": "286bd8851b4824c62afb369e6f307036",
            "info_dict": {
                "id": "3506029",
                "ext": "mp4",
                "display_id": "tj-2-final-2160p",
                "title": "Fentanyl Addict interview-TJ (follow up)",
                "description": "Soft White Underbelly follow up interview and portrait of TJ, a fentanyl addict on Skid Row.",
                "thumbnail": "https://vhx.imgix.net/softwhiteunderbelly/assets/c883d531-5da0-4faf-a2e2-8eba97e5adfc.jpg",
                "duration": 817,
                "uploader": "OTT Videos",
                "uploader_url": "https://vimeo.com/user80538407",
                "uploader_id": "user80538407",
            },
            "expected_warnings": ["Failed to parse XML: not well-formed"],
        },
    ]

    def _get_authenticity_token(self, display_id):
        signin_page = self._download_webpage(self._LOGIN_URL, display_id, note="Getting authenticity token")
        return self._html_search_regex(
            r'name=["\']authenticity_token["\'] value=["\'](.+?)["\']', signin_page, "authenticity_token"
        )

    def _login(self, display_id):
        username, password = self._get_login_info()
        if not username:
            return True

        response = self._download_webpage(
            self._LOGIN_URL,
            display_id,
            note="Logging in",
            fatal=False,
            data=urlencode_postdata({
                "email": username,
                "password": password,
                "authenticity_token": self._get_authenticity_token(display_id),
                "utf8": True,
            }),
        )

        user_has_subscription = self._search_regex(
            r'user_has_subscription:\s*["\'](.+?)["\']', response, "subscription status", default="none"
        )
        if user_has_subscription.lower() == "true":
            return
        elif user_has_subscription.lower() == "false":
            return "Account is not subscribed"
        else:
            return "Incorrect username/password"

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

        webpage = None
        if self._get_cookies("https://www.softwhiteunderbelly.com").get("_session"):
            webpage = self._download_webpage(url, display_id)
        if not webpage or '<div id="watch-unauthorized"' in webpage:
            login_err = self._login(display_id)
            webpage = self._download_webpage(url, display_id)
            if login_err and '<div id="watch-unauthorized"' in webpage:
                if login_err is True:
                    self.raise_login_required(method="any")
                raise ExtractorError(login_err, expected=True)

        embed_url = self._html_search_regex(r'embed_url:\s*["\'](.+?)["\']', webpage, "embed url")
        thumbnail = self._og_search_thumbnail(webpage)
        watch_info = get_element_by_id("watch-info", webpage) or ""

        title = clean_html(get_element_by_class("video-title", watch_info))
        season_episode = get_element_by_class("site-font-secondary-color", get_element_by_class("text", watch_info))
        episode_number = int_or_none(
            self._search_regex(r"Episode (\d+)", season_episode or "", "episode", default=None)
        )

        info = {
            "_type": "url_transparent",
            "ie_key": VHXEmbedIE.ie_key(),
            "url": VHXEmbedIE._smuggle_referrer(embed_url, "https://www.softwhiteunderbelly.com"),
            "id": self._search_regex(r"embed\.vhx\.tv/videos/(.+?)\?", embed_url, "id"),
            "display_id": display_id,
            "title": title,
            "description": self._html_search_meta("description", webpage, fatal=False),
            "thumbnail": thumbnail.split("?")[0] if thumbnail else None,  # Ignore crop/downscale
            "release_date": unified_strdate(
                self._search_regex(
                    r'data-meta-field-name=["\']release_dates["\'] data-meta-field-value=["\'](.+?)["\']',
                    watch_info,
                    "release date",
                    default=None,
                )
            ),
        }
        return info