from .common import InfoExtractor
from ..utils import (
    float_or_none,
    int_or_none,
    remove_end,
    strip_or_none,
    traverse_obj,
    url_or_none,
)


class NZOnScreenIE(InfoExtractor):
    _VALID_URL = r'^https://www\.nzonscreen\.com/title/(?P<id>[^/?#]+)'
    _TESTS = [{
        'url': 'https://www.nzonscreen.com/title/shoop-shoop-diddy-wop-cumma-cumma-wang-dang-1982',
        'info_dict': {
            'id': '726ed6585c6bfb30',
            'ext': 'mp4',
            'format_id': 'hi',
            'display_id': 'shoop-shoop-diddy-wop-cumma-cumma-wang-dang-1982',
            'title': 'Monte Video - "Shoop Shoop, Diddy Wop"',
            'description': 'Monte Video - "Shoop Shoop, Diddy Wop"',
            'alt_title': 'Shoop Shoop Diddy Wop Cumma Cumma Wang Dang | Music Video',
            'thumbnail': r're:https://www\.nzonscreen\.com/content/images/.+\.jpg',
            'duration': 158,
        },
        'params': {'skip_download': 'm3u8'},
    }, {
        'url': 'https://www.nzonscreen.com/title/shes-a-mod-1964?collection=best-of-the-60s',
        'info_dict': {
            'id': '3dbe709ff03c36f1',
            'ext': 'mp4',
            'format_id': 'hi',
            'display_id': 'shes-a-mod-1964',
            'title': 'Ray Columbus - \'She\'s A Mod\'',
            'description': 'Ray Columbus - \'She\'s A Mod\'',
            'alt_title': 'She\'s a Mod | Music Video',
            'thumbnail': r're:https://www\.nzonscreen\.com/content/images/.+\.jpg',
            'duration': 130,
        },
        'params': {'skip_download': 'm3u8'},
    }, {
        'url': 'https://www.nzonscreen.com/title/puha-and-pakeha-1968/overview',
        'info_dict': {
            'id': 'f86342544385ad8a',
            'ext': 'mp4',
            'format_id': 'hi',
            'display_id': 'puha-and-pakeha-1968',
            'title': 'Looking At New Zealand - Puha and Pakeha',
            'alt_title': 'Looking at New Zealand - \'Pūhā and Pākehā\' | Television',
            'description': 'An excerpt from this television programme.',
            'duration': 212,
            'thumbnail': r're:https://www\.nzonscreen\.com/content/images/.+\.jpg',
        },
        'params': {'skip_download': 'm3u8'},
    }]

    def _extract_formats(self, playlist):
        for quality, (id_, url) in enumerate(traverse_obj(
                playlist, ('h264', {'lo': 'lo_res', 'hi': 'hi_res'}), expected_type=url_or_none).items()):
            yield {
                'url': url,
                'format_id': id_,
                'ext': 'mp4',
                'quality': quality,
                'height': int_or_none(playlist.get('height')) if id_ == 'hi' else None,
                'width': int_or_none(playlist.get('width')) if id_ == 'hi' else None,
                'filesize_approx': float_or_none(traverse_obj(playlist, ('h264', f'{id_}_res_mb')), invscale=1024**2),
            }

    def _real_extract(self, url):
        video_id = self._match_id(url)
        webpage = self._download_webpage(url, video_id)

        playlist = self._parse_json(self._html_search_regex(
            r'data-video-config=\'([^\']+)\'', webpage, 'media data'), video_id)

        return {
            'id': playlist['uuid'],
            'display_id': video_id,
            'title': strip_or_none(playlist.get('label')),
            'description': strip_or_none(playlist.get('description')),
            'alt_title': strip_or_none(remove_end(
                self._html_extract_title(webpage, default=None) or self._og_search_title(webpage),
                ' | NZ On Screen')),
            'thumbnail': traverse_obj(playlist, ('thumbnail', 'path')),
            'duration': float_or_none(playlist.get('duration')),
            'formats': list(self._extract_formats(playlist)),
            'http_headers': {
                'Referer': 'https://www.nzonscreen.com/',
                'Origin': 'https://www.nzonscreen.com/',
            }
        }
