MediaWiki:Citizen.js：修订间差异

/* 这里所有JavaScript都会加载给Citizen皮肤的用户 */

// 添加powered by logo
(function ($) {
    $(function () {
        // ---------- 辅助：判断当前实际主题（dark / light） ----------
        function getEffectiveTheme() {
            var cls = document.documentElement.classList;
            if (cls.contains('skin-theme-clientpref-night')) return 'dark';
            if (cls.contains('skin-theme-clientpref-day')) return 'light';
            if (cls.contains('skin-theme-clientpref-os')) {
                if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
                    return 'dark';
                }
                return 'light';
            }
            // 兜底：根据系统偏好判断
            if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
                return 'dark';
            }
            return 'light';
        }

        // ---------- 辅助：安全设置 img src（若元素存在） ----------
        function setSrcIfExists(selector, src) {
            var $el = $(selector);
            if ($el.length) {
                $el.attr('src', src);
                console.log('[citizen-footer] set', selector, '->', src);
            } else {
                console.log('[citizen-footer] not found', selector);
            }
        }

        // ---------- 检查是否是 Citizen 皮肤（有多重后备检测） ----------
        function isCitizenSkin() {
            if (window.mw && mw.config && mw.config.get) {
                try {
                    var s = mw.config.get('skin');
                    if (s) return s.toString().toLowerCase() === 'citizen';
                } catch (e) {
                    // ignore
                }
            }
            // 后备：看 html/body class
            return document.documentElement.classList.contains('skin-citizen') ||
                   document.body.classList.contains('skin-citizen');
        }

        // ---------- 插入 / 移除 Citizen footer icon ----------
        function ensureCitizenFooterIcon() {
            // 如果不是 Citizen 皮肤，确保移除（防止用户在偏好切换皮肤后残留）
            if (!isCitizenSkin()) {
                $('#footer-poweredbycitizenico').remove();
                return;
            }

            // 已存在则不再插入
            if ($('#footer-poweredbycitizenico').length) return;

            // 优先插入在 SMW 图标之后；若找不到 SMW，则在 MediaWiki 图标之后插入
            var $smw = $('#footer-poweredbysmwico');
            var $mw = $('#footer-poweredbyico');
            var $target = $smw.length ? $smw : ($mw.length ? $mw : $('#footer-icons ul li').last());

            var theme = getEffectiveTheme();
            var src = theme === 'dark' ? '/resources/assets/poweredby-citizen-dark.svg' : '/resources/assets/poweredby-citizen.svg';

            var html = '' +
                '<li id="footer-poweredbycitizenico">' +
                  '<a href="https://github.com/StarCitizenTools/mediawiki-skins-Citizen" ' +
                     'class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled" ' +
                     'target="_blank" rel="noopener">' +
                    '<img src="' + src + '" alt="Powered by Citizen" width="88" height="31" loading="lazy">' +
                  '</a>' +
                '</li>';

            if ($target && $target.length) {
                $target.after(html);
            } else {
                // 兜底：追加到 ul
                $('#footer-icons ul').append(html);
            }
            console.log('[citizen-footer] inserted');
        }

        // ---------- 根据主题更新 Citizen icon 的 src ----------
        function updateCitizenIcon() {
            var theme = getEffectiveTheme();
            var src = theme === 'dark' ? '/resources/assets/poweredby-citizen-dark.svg' : '/resources/assets/poweredby-citizen.svg';
            setSrcIfExists('#footer-poweredbycitizenico img', src);
        }

        // ---------- 总更新入口：确保插入并更新 src ----------
        function updateAll() {
            ensureCitizenFooterIcon();
            updateCitizenIcon();
        }

        // ---------- 首次运行 ----------
        updateAll();

        // ---------- 监听 <html> class 变化（皮肤主题切换时会触发） ----------
        var htmlObserver = new MutationObserver(function (mutations) {
            for (var i = 0; i < mutations.length; i++) {
                if (mutations[i].attributeName === 'class') {
                    updateAll();
                    break;
                }
            }
        });
        htmlObserver.observe(document.documentElement, { attributes: true, attributeFilter: ['class'] });

        // ---------- 监听 body DOM 变动（footer 可能是异步插入 / 被替换） ----------
        var bodyObserver = new MutationObserver(function () {
            updateAll();
        });
        bodyObserver.observe(document.body, { childList: true, subtree: true });

        // ---------- 监听系统主题偏好变化（prefers-color-scheme） ----------
        if (window.matchMedia) {
            var mq = window.matchMedia('(prefers-color-scheme: dark)');
            if (typeof mq.addEventListener === 'function') {
                mq.addEventListener('change', updateAll);
            } else if (typeof mq.addListener === 'function') {
                mq.addListener(updateAll); // 兼容旧浏览器
            }
        }

        // ---------- 如果 MediaWiki 有 hook（比如用户保存偏好后切换皮肤），也触发一次 ----------
        if (window.mw && mw.hook) {
            mw.hook('user.preferencesSaved').add(updateAll);
        }

        // ---------- 兜底：页面 load 后 & 延迟再试一次 ----------
        $(window).on('load', updateAll);
        setTimeout(updateAll, 1500);
    });
})(jQuery);