# -*- coding: utf-8 -*-

# Copyright 2017-2019 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.

"""Extract images from https://www.xvideos.com/"""

from .common import Extractor, Message
from .. import text, exception
import json


class XvideosExtractor(Extractor):
    """Base class for xvideos extractors"""
    category = "xvideos"
    root = "https://www.xvideos.com"


class XvideosGalleryExtractor(XvideosExtractor):
    """Extractor for user profile galleries from xvideos.com"""
    subcategory = "gallery"
    directory_fmt = ("{category}", "{user[name]}", "{title}")
    filename_fmt = "{category}_{gallery_id}_{num:>03}.{extension}"
    archive_fmt = "{gallery_id}_{num}"
    pattern = (r"(?:https?://)?(?:www\.)?xvideos\.com"
               r"/profiles/([^/?&#]+)/photos/(\d+)")
    test = (
        (("https://www.xvideos.com/profiles"
          "/pervertedcouple/photos/751031/random_stuff"), {
            "url": "4f0d992e5dc39def2c3ac8e099d17bf09e76e3c7",
            "keyword": "65979d63a69576cf692b41d5fbbd995cc40a51b9",
        }),
        ("https://www.xvideos.com/profiles/pervertedcouple/photos/751032/", {
            "exception": exception.NotFoundError,
        }),
    )

    def __init__(self, match):
        XvideosExtractor.__init__(self, match)
        self.user, self.gid = match.groups()

    def items(self):
        url = "{}/profiles/{}/photos/{}".format(self.root, self.user, self.gid)
        page = self.request(url, notfound=self.subcategory).text
        data = self.get_metadata(page)
        imgs = self.get_images(page)
        data["count"] = len(imgs)
        yield Message.Version, 1
        yield Message.Directory, data
        for url in imgs:
            data["num"] = text.parse_int(url.rsplit("_", 2)[1])
            data["extension"] = url.rpartition(".")[2]
            yield Message.Url, url, data

    def get_metadata(self, page):
        """Collect metadata for extractor-job"""
        data = text.extract_all(page, (
            ("userid" , '"id_user":', ','),
            ("display", '"display":"', '"'),
            ("title"  , '"title":"', '"'),
            ("descr"  , '<small class="mobile-hide">', '</small>'),
            ("tags"   , '<em>Tagged:</em>', '<'),
        ))[0]

        return {
            "user": {
                "id": text.parse_int(data["userid"]),
                "name": self.user,
                "display": data["display"],
                "description": data["descr"].strip(),
            },
            "tags": text.unescape(data["tags"] or "").strip().split(", "),
            "title": text.unescape(data["title"]),
            "gallery_id": text.parse_int(self.gid),
        }

    @staticmethod
    def get_images(page):
        """Return a list of all image urls for this gallery"""
        return list(text.extract_iter(
            page, '<a class="embed-responsive-item" href="', '"'))


class XvideosUserExtractor(XvideosExtractor):
    """Extractor for user profiles from xvideos.com"""
    subcategory = "user"
    categorytransfer = True
    pattern = (r"(?:https?://)?(?:www\.)?xvideos\.com"
               r"/profiles/([^/?&#]+)/?(?:#.*)?$")
    test = (
        ("https://www.xvideos.com/profiles/pervertedcouple", {
            "url": "a413f3e60d6d3a2de79bd44fa3b7a9c03db4336e",
            "keyword": "a796760d34732adc7ec52a8feb057515209a2ca6",
        }),
        ("https://www.xvideos.com/profiles/niwehrwhernvh", {
            "exception": exception.NotFoundError,
        }),
        ("https://www.xvideos.com/profiles/pervertedcouple#_tabPhotos"),
    )

    def __init__(self, match):
        XvideosExtractor.__init__(self, match)
        self.user = match.group(1)

    def items(self):
        url = "{}/profiles/{}".format(self.root, self.user)
        page = self.request(url, notfound=self.subcategory).text
        data = json.loads(text.extract(
            page, "xv.conf=", ";</script>")[0])["data"]

        if not isinstance(data["galleries"], dict):
            return
        if "0" in data["galleries"]:
            del data["galleries"]["0"]

        galleries = [
            {
                "gallery_id": text.parse_int(gid),
                "title": text.unescape(gdata["title"]),
                "count": gdata["nb_pics"],
                "_extractor": XvideosGalleryExtractor,
            }
            for gid, gdata in data["galleries"].items()
        ]
        galleries.sort(key=lambda x: x["gallery_id"])

        yield Message.Version, 1
        for gallery in galleries:
            url = "https://www.xvideos.com/profiles/{}/photos/{}".format(
                self.user, gallery["gallery_id"])
            yield Message.Queue, url, gallery