/* Aurora Admin 测试页 — 共享 runtime */
(function () {
  'use strict';
  function slug() {
    if (window.__SLUG__) return String(window.__SLUG__).toLowerCase();
    var p = location.pathname.split('/').pop() || '';
    return p.replace(/\.html$/, '').toLowerCase();
  }
  var SLUG = slug();

  function collect() {
    var nodes = Array.prototype.slice.call(document.querySelectorAll('[data-assert]'));
    return nodes.map(function (n) {
      return { id: n.getAttribute('data-assert'), node: n, status: n.getAttribute('data-status') || 'skip', ms: 0, err: null };
    });
  }

  function matrix() {
    var list = [];
    var snap = document.getElementById('snapshot') || document.body;
    function add(id, ok, msg) { list.push({ id: 'matrix:' + id, status: ok ? 'pass' : 'fail', ms: 0, err: ok ? null : msg }); }

    var variants = snap.querySelectorAll('[data-assert]');
    add('default-rendered', variants.length > 0, '未发现任何 data-assert 节点');

    var sizeHints = 0;
    variants.forEach(function (n) {
      var cls = (n.className || '').toLowerCase();
      if (/-lg|-md|-sm|size|primary|default|text|small|large/.test(cls)) sizeHints++;
    });
    add('variants>=2', variants.length >= 2, '变体数 ' + variants.length);

    var states = new Set();
    variants.forEach(function (n) {
      ['disabled', 'loading', 'is-loading', 'active', 'hover', 'focus', 'open'].forEach(function (s) {
        if (n.classList.contains(s) || n.hasAttribute(s)) states.add(s);
      });
    });
    add('states>=1', states.size >= 1 || variants.length >= 3, '覆盖状态 ' + Array.from(states).join(','));

    var kb = snap.querySelectorAll('button, a[href], input, select, textarea, [tabindex]');
    add('keyboard-reachable', kb.length > 0, '无 button/a/input/tabindex 元素');

    var sheets = Array.prototype.slice.call(document.styleSheets);
    var hasFocus = false;
    sheets.forEach(function (s) {
      try {
        var rules = s.cssRules || [];
        for (var i = 0; i < rules.length; i++) {
          if (rules[i].selectorText && /:focus(-visible)?/.test(rules[i].selectorText)) { hasFocus = true; break; }
        }
      } catch (e) {}
    });
    add('focus-visible-defined', hasFocus, '未找到 :focus-visible 描边规则');

    var ariaOk = false;
    kb.forEach(function (n) {
      if (n.getAttribute('role') || n.getAttribute('aria-label') || n.getAttribute('aria-disabled') || /^(button|a)$/.test(n.tagName.toLowerCase())) ariaOk = true;
    });
    add('aria-or-role', ariaOk, '交互元素缺少 role / aria-*');

    /* 严格 WCAG 2.1 相对亮度计算与对比度 */
    function sRGBtoLin(v) {
      v = v / 255;
      return v <= 0.03928 ? v / 12.92 : Math.pow((v + 0.055) / 1.055, 2.4);
    }
    function lum(rgb) {
      return 0.2126 * sRGBtoLin(rgb[0]) + 0.7152 * sRGBtoLin(rgb[1]) + 0.0722 * sRGBtoLin(rgb[2]);
    }
    function ratio(fg, bg) {
      var L1 = lum(fg), L2 = lum(bg);
      var hi = Math.max(L1, L2), lo = Math.min(L1, L2);
      return (hi + 0.05) / (lo + 0.05);
    }
    /* 解析浏览器计算色值：支持 rgb(...)、rgba(...)、#hex (3/4/6/8 位) */
    function parseColor(c) {
      if (!c || typeof c !== 'string') return null;
      c = c.trim();
      var m = /^rgba?\(\s*([\d.]+)[,\s]+([\d.]+)[,\s]+([\d.]+)(?:[,\s/]+([\d.]+%?))?\s*\)$/i.exec(c);
      if (m) {
        var a = 1;
        if (m[4] !== undefined) {
          a = m[4].slice(-1) === '%' ? parseFloat(m[4]) / 100 : parseFloat(m[4]);
        }
        return [parseFloat(m[1]), parseFloat(m[2]), parseFloat(m[3]), Math.max(0, Math.min(1, a))];
      }
      m = /^#([0-9a-f]{3,8})$/i.exec(c);
      if (m) {
        var h = m[1];
        if (h.length === 3 || h.length === 4) {
          h = h.split('').map(function (ch) { return ch + ch; }).join('');
        }
        if (h.length === 6) h += 'ff';
        if (h.length === 8) {
          return [
            parseInt(h.slice(0, 2), 16),
            parseInt(h.slice(2, 4), 16),
            parseInt(h.slice(4, 6), 16),
            parseInt(h.slice(6, 8), 16) / 255
          ];
        }
      }
      return null;
    }
    /* 将带 alpha 的 src 叠加到不透明 dst 上（alpha compositing） */
    function composite(src, dst) {
      var a = src[3];
      if (a >= 1) return [src[0], src[1], src[2], 1];
      return [
        Math.round(src[0] * a + dst[0] * (1 - a)),
        Math.round(src[1] * a + dst[1] * (1 - a)),
        Math.round(src[2] * a + dst[2] * (1 - a)),
        1
      ];
    }
    /* 递归/向上遍历祖先层级，计算真实渲染底色（处理多层 rgba 叠加，兜底白色画布） */
    function resolveBg(el) {
      var layers = [];
      var cur = el;
      while (cur && cur.nodeType === 1) {
        var cs = window.getComputedStyle(cur);
        var bg = parseColor(cs.backgroundColor);
        if (bg && bg[3] > 0) {
          layers.push(bg);
          if (bg[3] >= 1) break;
        }
        cur = cur.parentElement;
      }
      var out = [255, 255, 255, 1];
      for (var i = layers.length - 1; i >= 0; i--) {
        out = composite(layers[i], out);
      }
      return out;
    }
    /* 检查文本是否可见且具有实际内容 */
    function hasDirectText(n) {
      for (var i = 0; i < n.childNodes.length; i++) {
        var cn = n.childNodes[i];
        if (cn.nodeType === 3 && /\S/.test(cn.nodeValue)) return true;
      }
      return false;
    }
    function isElementVisible(n) {
      if (!n || n.nodeType !== 1) return false;
      var cs = window.getComputedStyle(n);
      if (cs.display === 'none' || cs.visibility === 'hidden' || parseFloat(cs.opacity) === 0) return false;
      var rect = n.getBoundingClientRect();
      if (rect.width === 0 && rect.height === 0) return false;
      return true;
    }
    /* WCAG 1.4.3 禁用态/非激活态豁免 */
    function isInactive(n) {
      var cur = n;
      while (cur && cur.nodeType === 1) {
        if (cur.hasAttribute('disabled') || cur.getAttribute('aria-disabled') === 'true') return true;
        var cls = (cur.className || '').toString().toLowerCase();
        if (/\b(disabled|is-disabled)\b/.test(cls)) return true;
        cur = cur.parentElement;
      }
      return false;
    }
    /* 排除测试运行器自带 UI（断言汇总、日志按钮、断言结果列表等） */
    function isHarnessUI(n) {
      if (!n || !n.closest) return false;
      return !!n.closest('#result-list, .t-summary, .t-head, .t-fab, .t-toast, .t-btn, .t-list');
    }
    /* 大字号判定：>= 24px (18pt) 或 (>= 18.66px (14pt) 且粗体 >= 700) */
    function isLargeText(cs) {
      var fs = parseFloat(cs.fontSize) || 14;
      var fw = parseInt(cs.fontWeight, 10) || (cs.fontWeight === 'bold' ? 700 : 400);
      return fs >= 24 || (fs >= 18.66 && fw >= 700);
    }

    var contrastFailures = [];
    var textNodes = snap.querySelectorAll('button, a, p, span, label, td, th, li, h1, h2, h3, h4, h5, h6');
    textNodes.forEach(function (n) {
      if (contrastFailures.length >= 3) return;
      if (!hasDirectText(n) || !isElementVisible(n) || isInactive(n) || isHarnessUI(n)) return;
      var cs = window.getComputedStyle(n);
      var fg = parseColor(cs.color);
      if (!fg) return;
      var bg = resolveBg(n);
      var effFg = composite(fg, bg);
      var r = ratio(effFg, bg);
      var minRatio = isLargeText(cs) ? 3.0 : 4.5;
      if (r < minRatio) {
        var label = (n.tagName.toLowerCase() + (n.className ? '.' + String(n.className).trim().split(/\s+/)[0] : '')) + ' "' + (n.textContent || '').trim().slice(0, 10) + '"';
        contrastFailures.push(label + ' (' + r.toFixed(2) + ':1 < ' + minRatio + ':1)');
      }
    });
    add('contrast>=4.5', contrastFailures.length === 0, contrastFailures.length ? '低于 WCAG AA：' + contrastFailures.join('；') : null);

    var html = document.documentElement.outerHTML;
    var hexHardcode = (html.match(/style="[^"]*color:\s*#[0-9a-fA-F]+/g) || []).length;
    add('no-hardcode-hex', hexHardcode === 0, '硬编码颜色 ' + hexHardcode + ' 处');

    return list;
  }

  function renderResults(assertions) {
    var total = assertions.length;
    var pass = assertions.filter(function (a) { return a.status === 'pass'; }).length;
    var fail = assertions.filter(function (a) { return a.status === 'fail'; }).length;
    var skip = assertions.filter(function (a) { return a.status === 'skip'; }).length;
    var ms = assertions.reduce(function (s, a) { return s + (a.ms || 0); }, 0);
    function setText(id, txt) { var n = document.getElementById(id); if (n) n.textContent = txt; }
    setText('sum-total', '总数 ' + total);
    setText('sum-pass', '通过 ' + pass);
    setText('sum-fail', '失败 ' + fail);
    setText('sum-skip', '跳过 ' + skip);
    setText('sum-ms', '耗时 ' + ms + ' ms');
    var ul = document.getElementById('result-list');
    if (!ul) return;
    ul.innerHTML = '';
    assertions.forEach(function (a) {
      var li = document.createElement('li'); li.className = 't-row';
      var id = document.createElement('span'); id.className = 'id'; id.textContent = a.id;
      var pill = document.createElement('span');
      pill.className = 't-pill ' + (a.status === 'pass' ? 'pass' : a.status === 'fail' ? 'fail' : 'skip');
      pill.textContent = a.status.toUpperCase();
      var m = document.createElement('span'); m.className = 'ms'; m.textContent = (a.ms || 0) + 'ms';
      li.appendChild(id); li.appendChild(pill); li.appendChild(m);
      if (a.err) { var e = document.createElement('span'); e.className = 'err'; e.textContent = a.err; li.appendChild(e); }
      ul.appendChild(li);
    });
  }

  function toast(msg) {
    var t = document.getElementById('toast'); if (!t) return;
    t.textContent = msg; t.classList.add('show');
    setTimeout(function () { t.classList.remove('show'); }, 1200);
  }

  /* 快照节点自动标注：生成器未写入 data-assert 时，按结构启发式补标注
     （.row 子元素 → .demo 子元素 → .demo-block → #snapshot 首层），
     保证「DOM 带 data-assert / data-status」协议对全部 79 页成立 */
  function annotate() {
    var snap = document.getElementById('snapshot') || document.body;
    if (snap.querySelector('[data-assert]')) return;
    var mark = function (els) {
      var i = 0;
      Array.prototype.forEach.call(els, function (el) {
        if (!el.hasAttribute('data-assert')) {
          el.setAttribute('data-assert', 'variant-' + (++i));
          el.setAttribute('data-status', 'skip');
        }
      });
      return i > 0;
    };
    var rows = snap.querySelectorAll('.row');
    for (var r = 0; r < rows.length; r++) {
      if (mark(rows[r].children)) return;
    }
    var demos = snap.querySelectorAll('.demo');
    for (var d = 0; d < demos.length; d++) {
      if (mark(demos[d].children)) return;
    }
    if (mark(snap.querySelectorAll('.demo-block'))) return;
    mark(snap.children);
  }

  function run() {
    var t0 = performance.now();
    annotate();
    var asserts = collect();
    asserts.forEach(function (a) {
      var t1 = performance.now();
      var ok = !!a.node && (a.node.offsetParent !== null || a.node.getClientRects().length > 0);
      a.status = ok ? 'pass' : 'fail';
      a.ms = Math.round(performance.now() - t1);
      a.node.setAttribute('data-status', a.status);
    });
    asserts = asserts.concat(matrix());
    var totalMs = Math.round(performance.now() - t0);
    renderResults(asserts);
    if (window.aaLogger) window.aaLogger.test(SLUG, { totalMs: totalMs, assertions: asserts });
    toast('已运行 ' + asserts.length + ' 条断言');
  }

  function exportLog() {
    if (!window.aaLogger) return;
    var data = window.aaLogger.export('test');
    var blob = new Blob([data], { type: 'application/json' });
    var url = URL.createObjectURL(blob);
    var a = document.createElement('a');
    a.href = url; a.download = 'aa-test-' + SLUG + '-' + Date.now() + '.json';
    document.body.appendChild(a); a.click();
    setTimeout(function () { document.body.removeChild(a); URL.revokeObjectURL(url); }, 0);
    toast('已导出 ✓');
  }

  function clearLog() {
    if (!window.aaLogger) return;
    window.aaLogger.clear('test');
    toast('已清空 ✓');
  }

  document.getElementById('run-asserts') && document.getElementById('run-asserts').addEventListener('click', run);
  ['export-log', 'export-log-2'].forEach(function (id) {
    var el = document.getElementById(id);
    if (el) el.addEventListener('click', exportLog);
  });
  var clr = document.getElementById('clear-log');
  if (clr) clr.addEventListener('click', clearLog);

  if (window.aaLogger) window.aaLogger.render('test:' + SLUG, null);
})();