# -*- coding: iso-8859-1 -*-
u'''
    MoinMoin - YouTubeVideo macro Version 0.1
               Displays an embedded video

    <<YouTube(video_id=None, width=None, height=None)>>
    If an video_id is not given, no element will be shown

    Examples:
     * <<YouTube(2SXKM-dLJV8)>>
     * <<YouTube(2SXKM-dLJV8, width=560, height=315)>>

     Repository for the macro:
     https://git.cpi.imtek.uni-freiburg.de/holgi/YouTubeVideoMacro

    @copyright: 2018 by Holger Frey
    @license: Beerware license

'''

from MoinMoin import wikiutil


def macro_YouTubeVideo(macro, video_id=None, width=None, height=None):
    request = macro.request
    _ = request.getText

    if video_id is None:
        # no video id given
        return macro.formatter.rawHTML(u'')

    video_id = wikiutil.escape(str(video_id))

    if width is None:
        width_attrib = ''
    else:
        escaped = wikiutil.escape(str(width))
        width_attrib = 'width="%s"' % escaped

    if height is None:
        height_attrib = ''
    else:
        escaped = wikiutil.escape(str(height))
        height_attrib = 'height="%s"' % escaped

    tmp = (u'<iframe src="https://www.youtube-nocookie.com/embed/%s?rel=0" '
           u'%s %s frameborder="0" allow="autoplay; encrypted-media" '
           u'allowfullscreen></iframe>'
          )
    html = tmp % (video_id, width_attrib, height_attrib)
    return macro.formatter.rawHTML(html)