/** CSP-safe compatibility adapter. Images remain in this browser. */
(function () {
  'use strict';
  var root = document.querySelector('[data-suite-key="file-converter"]');
  var en = root && root.getAttribute('data-suite-locale') === 'en';
  var current = null;
  function address(asset) {
    var url = new URL('/wp-admin/admin-ajax.php', location.origin);
    url.searchParams.set('action', 'yuqi_tools_runtime_asset');
    url.searchParams.set('asset', asset);
    url.searchParams.set('ver', 'heic-csp-1.5.2');
    return url.href;
  }
  function cancel() { if (current) current(new Error(en ? 'HEIC conversion cancelled.' : 'HEIC 转换已取消。')); }
  // Keep the existing call signature; never load the former eval-based bundle.
  window.heic2any = function (options) {
    if (current) return Promise.reject(new Error(en ? 'A HEIC conversion is already running.' : '已有 HEIC 转换正在进行。'));
    if (!options || !(options.blob instanceof Blob) || !options.blob.size || options.blob.size > 10 * 1024 * 1024) {
      return Promise.reject(new Error('HEIC limit: 1 byte–10 MB'));
    }
    if (['image/jpeg', 'image/png'].indexOf(options.toType) < 0) return Promise.reject(new Error('Unsupported HEIC output format'));
    return new Promise(function (resolve, reject) {
      var worker, timer, settled = false;
      function finish(error, blob) {
        if (settled) return;
        settled = true;
        clearTimeout(timer);
        if (worker) worker.terminate();
        current = null;
        if (error) reject(error); else resolve(blob);
      }
      current = function (error) { finish(error); };
      try {
        worker = new Worker(address('heic-decode-worker'), { type: 'module' });
        timer = setTimeout(function () { finish(new Error(en ? 'HEIC conversion timed out.' : 'HEIC 转换超时。')); }, 60000);
        worker.onerror = function (event) { finish(new Error(event.message || 'HEIC worker failed')); };
        worker.onmessageerror = function () { finish(new Error('Invalid HEIC worker response')); };
        worker.onmessage = function (event) {
          var data = event.data || {}, bitmap = data.bitmap;
          if (settled) { if (bitmap && bitmap.close) bitmap.close(); return; }
          if (data.error) { finish(new Error(String(data.error))); return; }
          var canvas;
          try {
            if (!bitmap) throw new Error('HEIC decoder returned no image');
            if (!window.YuqiQuality) throw new Error('Image validation unavailable');
            window.YuqiQuality.dimensions(bitmap.width, bitmap.height);
            canvas = document.createElement('canvas');
            canvas.width = bitmap.width; canvas.height = bitmap.height;
            var ctx = canvas.getContext('2d');
            if (!ctx) throw new Error('Canvas unavailable');
            ctx.drawImage(bitmap, 0, 0); bitmap.close();
            canvas.toBlob(function (blob) {
              canvas.width = 1; canvas.height = 1;
              if (!blob || blob.type !== options.toType) finish(new Error('HEIC image encoding failed'));
              else finish(null, blob);
            }, options.toType, options.quality == null ? 0.92 : options.quality);
          } catch (error) {
            if (bitmap && bitmap.close) bitmap.close();
            if (canvas) { canvas.width = 1; canvas.height = 1; }
            finish(error);
          }
        };
        worker.postMessage({ blob: options.blob });
      } catch (error) { finish(error); }
    });
  };
  window.heic2any.cancel = cancel;
  if (root) {
    // Capture the existing workspace cancel action before the job resets controls.
    root.addEventListener('click', function (event) {
      var button = event.target.closest('button');
      if (button && /^(取消当前处理|Cancel processing)$/.test(button.textContent.trim())) cancel();
    }, true);
    var note = document.createElement('p'); note.className = 'yuqi-suite-hint';
    note.textContent = en ? 'HEIC/HEIF exports the first image only, not every image in a burst or multi-image container. Decoder: heic-to 1.5.2 (LGPL-3.0), loaded only when needed. ' : 'HEIC / HEIF 仅导出首张图像，不会导出连拍或多图容器中的全部图像。解码器：heic-to 1.5.2（LGPL-3.0），仅转换时加载。';
    var link = document.createElement('a');
    link.href = 'https://github.com/hoppergee/heic-to/tree/f37af866f9aa6212ddc84b67a279c9f2386aba4f';
    link.rel = 'noopener noreferrer'; link.target = '_blank';
    link.textContent = en ? 'Decoder source and license' : '解码器源码与许可证';
    note.appendChild(link); root.appendChild(note);
  }
  window.addEventListener('pagehide', cancel);
}());