# Support for the Media RSS format
# Copyright 2010-2023 Kurt McKee <contactme@kurtmckee.org>
# Copyright 2002-2008 Mark Pilgrim
# All rights reserved.
#
# This file is a part of feedparser.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
#   this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

from ..util import FeedParserDict


class Namespace:
    supported_namespaces = {
        # Canonical namespace
        "http://search.yahoo.com/mrss/": "media",
        # Old namespace (no trailing slash)
        "http://search.yahoo.com/mrss": "media",
    }

    def _start_media_category(self, attrs_d):
        attrs_d.setdefault("scheme", "http://search.yahoo.com/mrss/category_schema")
        self._start_category(attrs_d)

    def _end_media_category(self):
        self._end_category()

    def _end_media_keywords(self):
        for term in self.pop("media_keywords").split(","):
            if term.strip():
                self._add_tag(term.strip(), None, None)

    def _start_media_title(self, attrs_d):
        self._start_title(attrs_d)

    def _end_media_title(self):
        title_depth = self.title_depth
        self._end_title()
        self.title_depth = title_depth

    def _start_media_group(self, attrs_d):
        # don't do anything, but don't break the enclosed tags either
        pass

    def _start_media_rating(self, attrs_d):
        context = self._get_context()
        context.setdefault("media_rating", attrs_d)
        self.push("rating", 1)

    def _end_media_rating(self):
        rating = self.pop("rating")
        if rating is not None and rating.strip():
            context = self._get_context()
            context["media_rating"]["content"] = rating

    def _start_media_credit(self, attrs_d):
        context = self._get_context()
        context.setdefault("media_credit", [])
        context["media_credit"].append(attrs_d)
        self.push("credit", 1)

    def _end_media_credit(self):
        credit = self.pop("credit")
        if credit is not None and credit.strip():
            context = self._get_context()
            context["media_credit"][-1]["content"] = credit

    def _start_media_description(self, attrs_d):
        self._start_description(attrs_d)

    def _end_media_description(self):
        self._end_description()

    def _start_media_restriction(self, attrs_d):
        context = self._get_context()
        context.setdefault("media_restriction", attrs_d)
        self.push("restriction", 1)

    def _end_media_restriction(self):
        restriction = self.pop("restriction")
        if restriction is not None and restriction.strip():
            context = self._get_context()
            context["media_restriction"]["content"] = [
                cc.strip().lower() for cc in restriction.split(" ")
            ]

    def _start_media_license(self, attrs_d):
        context = self._get_context()
        context.setdefault("media_license", attrs_d)
        self.push("license", 1)

    def _end_media_license(self):
        license_ = self.pop("license")
        if license_ is not None and license_.strip():
            context = self._get_context()
            context["media_license"]["content"] = license_

    def _start_media_content(self, attrs_d):
        context = self._get_context()
        context.setdefault("media_content", [])
        context["media_content"].append(attrs_d)

    def _start_media_thumbnail(self, attrs_d):
        context = self._get_context()
        context.setdefault("media_thumbnail", [])
        self.push("url", 1)  # new
        context["media_thumbnail"].append(attrs_d)

    def _end_media_thumbnail(self):
        url = self.pop("url")
        context = self._get_context()
        if url is not None and url.strip():
            if "url" not in context["media_thumbnail"][-1]:
                context["media_thumbnail"][-1]["url"] = url

    def _start_media_player(self, attrs_d):
        self.push("media_player", 0)
        self._get_context()["media_player"] = FeedParserDict(attrs_d)

    def _end_media_player(self):
        value = self.pop("media_player")
        context = self._get_context()
        context["media_player"]["content"] = value
