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

# Copyright 2023-2026 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.

"""Extractors for Chevereto galleries"""

from .common import BaseExtractor, Message
from .. import text, util


class CheveretoExtractor(BaseExtractor):
    """Base class for chevereto extractors"""
    basecategory = "chevereto"
    directory_fmt = ("{category}", "{user}", "{album}")
    archive_fmt = "{id}"
    parent = True

    def _init(self):
        self.path = self.groups[-1]

    def _pagination(self, url, callback=None):
        page = self.request(url).text

        if len(page) < 45_000 and "assword required" in page and (
                form := text.extr(page, "<form ", "</form")):
            page = self._password_submit(url, form) or page

        if callback is not None:
            callback(page)

        while True:
            for item in text.extract_iter(
                    page, '<div class="list-item-image ', 'image-container'):
                yield text.urljoin(self.root, text.extr(
                    item, '<a href="', '"'))

            url = text.extr(page, 'data-pagination="next" href="', '"')
            if not url:
                return
            url = text.unescape(url).replace("+", " ")
            if url[0] == "/":
                url = self.root + url
            page = self.request(url).text

    def _password_submit(self, url, form):
        sources = getattr(self, "_password_sources", None)
        if sources is None:
            sources = self._password_sources = []
            if pw := getattr(self, "_password_last", None):
                sources.append(pw)
            if pw := self.config("password"):
                if isinstance(pw, str):
                    pw = pw.split(",")
                sources.extend(pw)
            sources.reverse()
        sources = sources.copy()

        page = None
        tried = set()
        while True:
            pw = sources.pop() if sources else self.input("Password: ")
            if not pw:
                break
            if pw in tried:
                continue
            self.log.debug("Submitting password '%s'", pw)
            data = {
                "auth_token": text.unescape(text.extr(
                    form, 'name="auth_token" value="', '"')),
                "content-password": pw,
            }
            page = self.request(url, method="POST", data=data).text
            form = text.extr(page, "<form ", "</form")
            if not form:
                CheveretoExtractor._password_last = pw
                break
            tried.add(pw)
        return page


BASE_PATTERN = CheveretoExtractor.update({
    "jpgfish": {
        "root": "https://jpg7.cr",
        "pattern": r"(?:www\.)?jpe?g\d?\.(?:cr|su|pet|fish(?:ing)?|church)",
    },
    "imagepond": {
        "root": "https://www.imagepond.net",
        "pattern": r"(?:www\.)?imagepond\.net",
    },
    "imglike": {
        "root": "https://imglike.com",
        "pattern": r"(?:www\.)?imglike\.com",
    },
})


class CheveretoFileExtractor(CheveretoExtractor):
    """Extractor for chevereto files"""
    subcategory = "file"
    pattern = BASE_PATTERN + r"(/(?:im(?:g|age)|video|i)/[^/?#]+)"
    example = "https://jpg7.cr/img/TITLE.ID"

    def items(self):
        url = self.root + self.path
        page = self.request(url).text
        extr = text.extract_from(page)

        type = text.extr(page, 'property="og:type" content="', '"')
        title = extr('property="og:title" content="', '"')

        if type == "video":
            file = {
                "id"       : self.path.rpartition(".")[2],
                "type"     : "video",
                "title"    : text.unescape(extr(
                    'property="og:title" content="', '"')),
                "thumbnail": extr(
                    'property="og:image" content="', '"'),
                "url"      : extr(
                    'property="og:video" content="', '"'),
                "width"    : text.parse_int(extr(
                    'property="video:width" content="', '"')),
                "height"   : text.parse_int(extr(
                    'property="video:height" content="', '"')),
                "duration" : extr(
                    'class="far fa-clock"></i>', "—"),
                "album"    : extr(
                    "Added to <a", "</a>"),
                "date"     : self.parse_datetime_iso(extr(
                    '<span title="', '"')),
                "user"     : extr('username: "', '"'),
            }

            album_url, _, album_name = file["album"].rpartition(">")
            file["album"] = text.remove_html(album_name)
            file["album_slug"], _, file["album_id"] = text.rextr(
                album_url, "/", '"').rpartition(".")

            try:
                min, _, sec = file["duration"].partition(":")
                file["duration"] = int(min) * 60 + int(sec)
            except Exception:
                pass
        else:
            url = (extr('<meta property="og:image" content="', '"') or
                   extr('url: "', '"'))
            if not url or url.endswith("/loading.svg"):
                pos = page.find(" download=")
                url = text.rextr(page, 'href="', '"', pos)
                if not url.startswith("https://"):
                    url = util.decrypt_xor(
                        url, b"seltilovessimpcity@simpcityhatesscrapers",
                        fromhex=True)

            album_url, _, album_name = extr(
                "Added to <a", "</a>").rpartition(">")
            file = {
                "id"   : self.path.rpartition("/")[2].rpartition(".")[2],
                "url"  : url,
                "type" : type,
                "title": text.unescape(title),
                "album": text.remove_html(album_name),
                "date" : self.parse_datetime_iso(extr('<span title="', '"')),
                "user" : extr('username: "', '"'),
            }

            file["album_slug"], _, file["album_id"] = text.rextr(
                album_url, "/", '"').rpartition(".")

        text.nameext_from_url(file["url"], file)
        yield Message.Directory, "", file
        yield Message.Url, file["url"], file


class CheveretoAlbumExtractor(CheveretoExtractor):
    """Extractor for chevereto albums"""
    subcategory = "album"
    pattern = BASE_PATTERN + r"(/a(?:lbum)?/[^/?#]+(?:/sub)?)"
    example = "https://jpg7.cr/album/TITLE.ID"

    def items(self):
        url = self.root + self.path
        data = {"_extractor": CheveretoFileExtractor}

        if self.path.endswith("/sub"):
            albums = self._pagination(url)
        else:
            albums = (url,)

        for album in albums:
            for self.kwdict["num"], item_url in enumerate(self._pagination(
                    album, self._extract_metadata_album), 1):
                yield Message.Queue, item_url, data

    def _extract_metadata_album(self, page):
        url, pos = text.extract(
            page, 'property="og:url" content="', '"')
        title, pos = text.extract(
            page, 'property="og:title" content="', '"', pos)

        kwdict = self.kwdict
        kwdict["album_slug"], _, kwdict["album_id"] = \
            url[url.rfind("/")+1:].rpartition(".")
        kwdict["album"] = text.unescape(title)
        kwdict["count"] = text.parse_int(text.extract(
            page, 'data-text="image-count">', "<", pos)[0])


class CheveretoCategoryExtractor(CheveretoExtractor):
    """Extractor for chevereto galleries"""
    subcategory = "category"
    pattern = BASE_PATTERN + r"(/category/[^/?#]+)"
    example = "https://imglike.com/category/TITLE"

    def items(self):
        data = {"_extractor": CheveretoFileExtractor}
        for image in self._pagination(self.root + self.path):
            yield Message.Queue, image, data


class CheveretoUserExtractor(CheveretoExtractor):
    """Extractor for chevereto users"""
    subcategory = "user"
    pattern = BASE_PATTERN + r"(/[^/?#]+(?:/albums)?)"
    example = "https://jpg7.cr/USER"

    def items(self):
        data_file = {"_extractor": CheveretoFileExtractor}
        data_album = {"_extractor": CheveretoAlbumExtractor}
        for url in self._pagination(self.root + self.path):
            data = (data_album if "/album/" in url or "/a/" in url else
                    data_file)
            yield Message.Queue, url, data