/**
 * 公開物件一覧・検索用: 画像 URL の正規化（削除は行わない）。
 * ブロックリスト以外の https 外部（例: img4.athome.jp）は許可。http は https に昇格を試す。
 */
(function (root, factory) {
  if (typeof module === 'object' && module.exports) {
    module.exports = factory();
  } else {
    root.PropertyPublicImageUrl = factory();
  }
})(typeof globalThis !== 'undefined' ? globalThis : this, function () {
  'use strict';

  var BLOCKED_HOSTS = ['img-asp.jp', 'www.img-asp.jp', 'kikitai.kodomonokuni.co.jp'];

  var OWN_SITE_SUFFIXES = ['kodomonokuni.co.jp', 'localhost', '127.0.0.1'];

  function norm(v) {
    return String(v == null ? '' : v).trim();
  }

  function pageIsHttps() {
    try {
      return typeof location !== 'undefined' && location.protocol === 'https:';
    } catch (_e) {
      return true;
    }
  }

  function hostBlocked(host) {
    host = norm(host).toLowerCase();
    if (!host) return true;
    var bi;
    for (bi = 0; bi < BLOCKED_HOSTS.length; bi++) {
      var b = BLOCKED_HOSTS[bi];
      if (host === b || host.slice(-(b.length + 1)) === '.' + b) return true;
    }
    return false;
  }

  function hostAllowed(host) {
    return !hostBlocked(host);
  }

  function normalizeRelative(path) {
    path = norm(path);
    if (!path) return '';
    if (/^javascript:/i.test(path) || path.indexOf('blob:') === 0) return '';
    if (/^data:image\//i.test(path)) return path;
    var lower = path.toLowerCase();
    if (lower.indexOf('/ftptool/image/') === 0) return path;
    if (lower.indexOf('ftptool/image/') === 0) return '/' + path;
    if (lower.indexOf('/image/') === 0) return '/ftptool/image/' + path.slice('/image/'.length);
    if (lower.indexOf('image/') === 0) return '/ftptool/image/' + path.slice('image/'.length);
    if (path.charAt(0) === '/') return path;
    return '';
  }

  function sanitize(raw, opts) {
    opts = opts || {};
    var httpsOnly = opts.httpsOnly !== false ? pageIsHttps() : false;
    var u = norm(raw);
    if (!u) return '';
    if (/^javascript:/i.test(u) || u.indexOf('blob:') === 0) return '';
    if (/^data:image\//i.test(u)) return u;
    if (u.indexOf('//') === 0) {
      u = 'https:' + u;
    }
    if (!/^https?:\/\//i.test(u)) {
      return normalizeRelative(u);
    }
    var parsed;
    try {
      parsed = new URL(u, typeof location !== 'undefined' ? location.origin : 'https://www.kodomonokuni.co.jp');
    } catch (_e) {
      return '';
    }
    if (!hostAllowed(parsed.hostname)) return '';
    if (httpsOnly && parsed.protocol === 'http:') {
      parsed.protocol = 'https:';
    }
    return parsed.href;
  }

  function fromImageCell(img, opts) {
    if (!img) return '';
    if (typeof img === 'string') return sanitize(img, opts);
    if (typeof img !== 'object') return '';
    var keys = [
      'publicPath',
      'url',
      'src',
      'originalPath',
      'path',
      'thumbnailUrl',
      'thumbnail',
      'thumbUrl',
      'publicUrl',
      'imageUrl',
      'imageURL',
      'link',
      'href',
      'originalUrl',
      'remoteUrl',
      'pictureUrl',
      'externalUrl',
      'atbbUrl',
    ];
    var i;
    for (i = 0; i < keys.length; i++) {
      var s = sanitize(img[keys[i]], opts);
      if (s) return s;
    }
    return sanitize(img.fileName || img.filename, opts);
  }

  function bindCardImageFallback(imgEl) {
    if (!imgEl || imgEl.__ppuFallbackBound) return;
    imgEl.__ppuFallbackBound = true;
    imgEl.addEventListener(
      'error',
      function onErr() {
        var images = [];
        var kinds = [];
        try {
          images = JSON.parse(imgEl.getAttribute('data-images') || '[]');
        } catch (_e1) {
          images = [];
        }
        try {
          kinds = JSON.parse(imgEl.getAttribute('data-image-kinds') || '[]');
        } catch (_e2) {
          kinds = [];
        }
        if (!Array.isArray(images)) images = [];
        var idx = Number(imgEl.getAttribute('data-index') || '0') || 0;
        var tried = Number(imgEl.getAttribute('data-ppu-tried') || '0') || 0;
        var next = idx + 1;
        while (next < images.length) {
          var candidate = sanitize(images[next]);
          if (candidate && candidate !== imgEl.getAttribute('src')) {
            imgEl.setAttribute('data-index', String(next));
            imgEl.setAttribute('data-ppu-tried', String(tried + 1));
            if (kinds[next] === 'floorplan') {
              imgEl.classList.add('is-floorplan');
              imgEl.setAttribute('data-kind', 'floorplan');
            } else {
              imgEl.classList.remove('is-floorplan');
              imgEl.setAttribute('data-kind', 'photo');
            }
            imgEl.src = candidate;
            return;
          }
          next++;
        }
        imgEl.removeEventListener('error', onErr);
        var wrap = imgEl.closest('.thumb-wrap, .list-card-thumb, .building-card__photo, .tp-list-card__photo');
        if (wrap) {
          wrap.classList.add('list-card-thumb--empty');
          var ph = document.createElement('div');
          ph.className = 'thumb-placeholder property-no-image';
          ph.setAttribute('role', 'img');
          ph.setAttribute('aria-label', '画像準備中');
          imgEl.replaceWith(ph);
        }
      },
      { once: false },
    );
  }

  function bindAllCardImages(root) {
    var scope = root && root.querySelectorAll ? root : document;
    scope.querySelectorAll('.list-card-image[data-card-slide-img], .list-card-image').forEach(function (img) {
      bindCardImageFallback(img);
    });
  }

  return {
    sanitize: sanitize,
    fromImageCell: fromImageCell,
    bindCardImageFallback: bindCardImageFallback,
    bindAllCardImages: bindAllCardImages,
    BLOCKED_HOSTS: BLOCKED_HOSTS,
    OWN_SITE_SUFFIXES: OWN_SITE_SUFFIXES,
  };
});