用户:卡介菌/common.js

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/* === BMV (Bilibili Music Video) Widget Start === */
(function($) {

    // ------------------- 初始化单个BMV实例的函数 -------------------
    function initializeBMV($container) {
        if ($container.data('bmv-initialized')) return;
        $container.data('bmv-initialized', true);
        console.log('BMV from Common.js: Initializing widget for song:', $container.data('song-name'));

        var songName = $container.data('song-name');
        var rawDifficulties = $container.data('difficulties');
        var $difficultyDiv = $container.find('.bmv-difficulty');
        var $ratioDiv = $container.find('.bmv-ratio');
        var $outputSpan = $container.find('.bmv-output');

        var difficultyColors = {"EZ": "#57E4C4", "HD": "#FDBA61", "IN": "#FE8661", "AT": "#4C364B"};

        function parseDifficulties(input) {
            if (!input) return null;
            try {
                return String(input).split(',').map(function(item) {
                    var match = item.trim().match(/^([A-Za-z]+)(\d+)$/);
                    if (!match) throw new Error('Invalid format');
                    return (match[1].toUpperCase() + ' ' + match[2]);
                });
            } catch (e) {
                console.error("BMV Error: parsing difficulties:", input, e);
                return null;
            }
        }
        
        var difficultyStates = parseDifficulties(rawDifficulties);

        if (!songName || !difficultyStates || !difficultyStates.length) {
            $container.find('table').replaceWith('<div style="color:red; padding:10px; text-align:center;">BMV Error: Missing or invalid songName/difficulties.</div>');
            return;
        }
        
        $difficultyDiv.data({states: difficultyStates, current: 0});
        $ratioDiv.data({states: ["16:9", "4:3"], current: 0});

        function updateOutput() {
            var difficulty = $difficultyDiv.data('states')[$difficultyDiv.data('current')].split(' ')[0];
            var ratio = $ratioDiv.data('states')[$ratioDiv.data('current')].replace(':', '-');
            var encodedSongName = encodeURIComponent(songName);
            var videoUrl = 'https://pan.rizwiki.cn/d/' + ratio + '_' + encodedSongName + '_' + difficulty + '.mp4';
            var videoHTML = '<video class="html5media-video" src="' + videoUrl + '" controls preload="metadata" loading="lazy" style="height:100%; object-fit:contain;"></video>';
            $outputSpan.html(videoHTML);
        }

        $difficultyDiv.on('click', function() {
            var $this = $(this), states = $this.data('states'), current = $this.data('current');
            var next = (current + 1) % states.length;
            $this.text(states[next]).data('current', next);
            var difficultyType = states[next].split(' ')[0];
            $this.parent().css('background-color', difficultyColors[difficultyType] || '#FFFFFF');
            updateOutput();
        });

        $ratioDiv.parent().on('click', function() {
            var states = $ratioDiv.data('states'), current = $ratioDiv.data('current');
            var next = (current + 1) % states.length;
            $ratioDiv.text(states[next]).data('current', next);
            updateOutput();
        });
        
        var firstDiff = difficultyStates[0], diffType = firstDiff.split(' ')[0];
        $difficultyDiv.text(firstDiff);
        $difficultyDiv.parent().css('background-color', difficultyColors[diffType]);
        updateOutput();
    }

    // ------------------- 主执行逻辑：使用 mw.hook -------------------
    mw.hook('wikipage.content').add(function($content) {
        $content.find('.js-bmv-widget:not([data-bmv-initialized])').each(function() {
            initializeBMV($(this));
        });
    });

}(jQuery));
/* === BMV (Bilibili Music Video) Widget End === */