function get_filename(filePath) {

  if (!filePath) return "";

  return filePath.split(/[/\\]/).pop();

}



function escapeAttr(s) {

  if (s == null) return "";

  return String(s).replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/</g, "&lt;").replace(/>/g, "&gt;");

}



var SOON_EMPTY_IMG = '../assets/images/web/empty-state.png';



function soonEmptyBlock(title, hint, extraHtml) {

  var html = '<div class="soon-empty soon-empty--inline">' +

    '<img src="' + SOON_EMPTY_IMG + '" alt="" class="soon-empty__icon">' +

    '<p class="soon-empty__title">' + escapeAttr(title) + '</p>';

  if (hint) {

    html += '<p class="soon-empty__hint">' + escapeAttr(hint) + '</p>';

  }

  if (extraHtml) html += extraHtml;

  html += '</div>';

  return html;

}



let s_lan = "zh";



function language_str(str) {

  let t = {

    "noFile": { zh: "当前文件不存在！", ozh: "This file does not exist!", en: "File not found!" },

    "saveTime": { zh: "保存时间：", ozh: "保存時間：", en: "Saved on:" },

    "selectFile": { zh: "请选择文件", ozh: "請選擇文件", en: "Please select a file" },

    "comfirm": { zh: "确认", ozh: "確認", en: "Confirm" },

    "cancel": { zh: "取消", ozh: "取消", en: "Cancel" },

    "SDFile": { zh: "SoonDesign模板文件", ozh: "SoonDesign模闆文件", en: "SoonDesign Template File" },

    "lost": { zh: "(文件已丢失)", ozh: "(文件已丟失)", en: "(File Lost)" },

    "clickToDelete": { zh: "文件已丢失，点击删除此记录", ozh: "文件已丟失，點擊刪除此記錄", en: "File lost, click to remove" },

    "deleted": { zh: "已删除", ozh: "已刪除", en: "Deleted" },

    "whetherSave": { zh: "是否保存当前文件？", ozh: "是否保存當前文件？", en: "Save current file?" },

    "delTitle": { zh: "警告", ozh: "警告", en: "Warning" },

    "delContent": { zh: "文件已丢失，确认是否删除？", ozh: "文件已丟失，確認是否刪除？", en: "File lost, confirm delete?" },

    "deleteFileConfirm": { zh: "确认删除该文件？删除后无法恢复。", ozh: "確認刪除該文件？刪除後無法恢復。", en: "Delete this file? This cannot be undone." },

    "deleteBtn": { zh: "删除", ozh: "刪除", en: "Delete" }

  };

  return t[str][s_lan] || t[str]['zh'];

}



function openDesign(type, filePath) {

  if (window.platformBridge && window.platformBridge.openDesignPage) {

    window.platformBridge.openDesignPage(filePath || '', type);

  }

}



layui.use(['layer', 'form', 'jquery'], function () {

  var $ = layui.$;

  var layer = layui.layer;

  layer.config({ skin: 'soon-layer' });



  if (window.sysAPI && window.sysAPI.getAppVersion) {

    window.sysAPI.getAppVersion().then(function (ver) {

      $("#app-version").text("v" + ver);

    }).catch(function () {});

  }



  function langua_ge(lan) {

    lan = lan || 'zh';

    $("[language='m']").each(function () {

      $(this).html($(this).attr(lan));

    });

    $("[language='t']").each(function () {

      $(this).attr("title", $(this).attr(lan));

    });

  }



  window.soonResolveLocale(function (code) {

    s_lan = code;

    langua_ge(s_lan);

    $("#language_select").val(s_lan);

    try { localStorage.setItem("lang", s_lan); } catch (e) {}

  });



  $('#language_select').on('change', function () {

    langua_ge($(this).find('option:selected').val());

    s_lan = $(this).find('option:selected').val();

    localStorage.setItem("lang", s_lan);

    loadHistory();

  });



  function hasCloudAuth() {
    if (typeof window.soonGetAccessToken === 'function') return !!window.soonGetAccessToken();
    try { return !!localStorage.getItem('soon_access'); } catch (e) { return false; }
  }

  var fileListState = { page: 1, size: 12, total: 0, items: [] };
  var templateListState = { page: 1, size: 8, total: 0, items: [] };

  function displayNameFromPath(path) {
    if (!path) return 'design.soon';
    if (typeof window.soonDisplayFileName === 'function') {
      var fromHelper = window.soonDisplayFileName(path);
      if (fromHelper) return fromHelper;
    }
    var sessionPrefix = 'soondesign_session:';
    if (path.indexOf(sessionPrefix) === 0) {
      var slug = path.substring(sessionPrefix.length).replace(/-\d{10,}$/, '');
      return /\.soon$/i.test(slug) ? slug : (slug + '.soon');
    }
    if (path.indexOf('soondesign_file:') === 0) {
      var meta = window._soonFileMeta;
      if (meta && meta.name) return meta.name;
      return path.replace(/^soondesign_file:(\d+).*/, '文件 #$1');
    }
    return get_filename(path) || 'design.soon';
  }

  async function fetchCloudItems() {
    if (!hasCloudAuth() || !window.platformBridge || !window.platformBridge.listCloudFiles) return [];
    try {
      var data = await window.platformBridge.listCloudFiles({ page: 1, size: 50 });
      return (data && data.items) ? data.items : [];
    } catch (e) {
      return [];
    }
  }

  function removeLocalHistoryPath(path) {
    if (!path) return Promise.resolve();
    if (typeof window.soonRecentRemove === 'function') window.soonRecentRemove(path);
    if (typeof window.soonLocalRemove === 'function') {
      return window.soonLocalRemove(path);
    }
    return Promise.resolve();
  }

  function recentFallbackThumb(type) {
    var t = Number(type) || 1;
    return soonAsset(t === 2 ? 'bg_2.png' : 'bg_1.png');
  }

  async function resolveRecentThumb(item) {
    var realType = item.type || 1;
    var fallback = recentFallbackThumb(realType);
    var thumbKey = item.thumbRef || item.filePath || item.key;
    if (typeof window.soonLocalGetThumb === 'function' && thumbKey) {
      var localThumb = await window.soonLocalGetThumb(thumbKey);
      if (localThumb) {
        return typeof soonSafeImageUrl === 'function'
          ? soonSafeImageUrl(localThumb, fallback)
          : localThumb;
      }
    }
    if (item.kind === 'template' && item.filePath) {
      var tplMatch = String(item.filePath).match(/^soondesign_template:(\d+)/);
      if (tplMatch) {
        var base = (window.SOON_DEPLOY_CONFIG && window.SOON_DEPLOY_CONFIG.api_v1_base) || '';
        if (base) {
          var v = item.updated_at ? ('?v=' + encodeURIComponent(item.updated_at)) : '';
          return base + '/templates/' + tplMatch[1] + '/thumb' + v;
        }
      }
    }
    if (item.kind === 'cloud' && item.fileId && hasCloudAuth()) {
      var apiBase = (window.SOON_DEPLOY_CONFIG && window.SOON_DEPLOY_CONFIG.api_v1_base) || '';
      if (apiBase) return apiBase + '/files/' + item.fileId + '/thumb';
    }
    return fallback;
  }

  function recentDownloadBtnHtml() {
    return '<button type="button" class="soon-file-card__action soon-file-card__download" title="下载 .soon" aria-label="下载">'
      + '<svg class="soon-file-card__icon" viewBox="0 0 24 24" width="15" height="15" aria-hidden="true">'
      + '<path d="M12 4v10m0 0l3.5-3.5M12 14l-3.5-3.5M5 20h14"/></svg></button>';
  }

  function recentDeleteBtnHtml() {
    return '<button type="button" class="soon-file-card__action soon-file-card__delete" title="' + escapeAttr(language_str('deleteBtn')) + '" aria-label="' + escapeAttr(language_str('deleteBtn')) + '">'
      + '<svg class="soon-file-card__icon" viewBox="0 0 24 24" width="15" height="15" aria-hidden="true">'
      + '<path d="M4 7h16"/><path d="M7 7l1.1 11.1a.9.9 0 00.9.9h6a.9.9 0 00.9-.9L17 7"/>'
      + '<path d="M9.5 7V5.6A1.6 1.6 0 0111.1 4h1.8a1.6 1.6 0 011.6 1.6V7"/>'
      + '<path d="M10 11v5.5"/><path d="M14 11v5.5"/></svg></button>';
  }

  function renderFilePager() {
    var el = document.getElementById('filePager');
    if (!el) return;
    var page = fileListState.page;
    var size = fileListState.size;
    var total = fileListState.total;
    var pages = Math.max(1, Math.ceil(total / size));
    if (total === 0) {
      el.innerHTML = '';
      return;
    }
    el.innerHTML =
      '<div class="soon-file-pager">' +
      '<button type="button" class="soon-btn soon-btn--sm soon-btn--ghost" id="filePrev"' +
      (page <= 1 ? ' disabled' : '') + '>上一页</button>' +
      '<span class="soon-file-pager__info">第 ' + page + ' / ' + pages + ' 页，共 ' + total + ' 个</span>' +
      '<button type="button" class="soon-btn soon-btn--sm soon-btn--ghost" id="fileNext"' +
      (page >= pages ? ' disabled' : '') + '>下一页</button></div>';
    var prev = document.getElementById('filePrev');
    var next = document.getElementById('fileNext');
    if (prev && !prev.disabled) {
      prev.onclick = function () {
        fileListState.page = Math.max(1, fileListState.page - 1);
        loadHistory();
      };
    }
    if (next && !next.disabled) {
      next.onclick = function () {
        fileListState.page = Math.min(pages, fileListState.page + 1);
        loadHistory();
      };
    }
  }

  var _recentLoadedAt = 0;

  async function loadHistory(force) {

    try {

      if (!force && _recentLoadedAt && (Date.now() - _recentLoadedAt) < 60000) {
        return;
      }

      if (typeof window.soonRecentMigrateFromHistory === 'function') {
        window.soonRecentMigrateFromHistory();
      }

      var recentCountEl = document.getElementById('recentCount');
      var items = typeof window.soonRecentList === 'function' ? window.soonRecentList() : [];
      var mapped = items.map(function (it) {
        return {
          kind: it.kind || (typeof window.soonRecentKindFromKey === 'function' ? window.soonRecentKindFromKey(it.key) : 'local'),
          filePath: it.key,
          fileId: it.fileId,
          name: it.name,
          type: it.type,
          thumbRef: it.thumbRef || it.key,
          updated_at: it.updated_at || ''
        };
      });

      if (hasCloudAuth() && typeof window.soonRecentEnrichFromCloud === 'function') {
        var cloudItems = await fetchCloudItems();
        mapped = window.soonRecentEnrichFromCloud(mapped, cloudItems);
      }

      fileListState.items = mapped;
      fileListState.total = mapped.length;
      var pages = Math.max(1, Math.ceil(fileListState.total / fileListState.size));
      if (fileListState.page > pages) fileListState.page = pages;
      _recentLoadedAt = Date.now();

      if (recentCountEl) recentCountEl.textContent = String(fileListState.total);

      if (!mapped.length) {

        $(".card-list").html(soonEmptyBlock('暂无文件', '点击「打开文件」导入，或新建模板开始设计'));
        renderFilePager();
        return;

      }

      var start = (fileListState.page - 1) * fileListState.size;
      var slice = mapped.slice(start, start + fileListState.size);
      var thumbRows = await Promise.all(slice.map(async function (item) {
        var realType = item.type || 1;
        return {
          item: item,
          src: await resolveRecentThumb(item),
          fallbackSrc: recentFallbackThumb(realType)
        };
      }));
      let h = "";

      for (let row of thumbRows) {
        let item = row.item;
        let filePath = item.filePath;
        let realType = item.type || 1;
        let src = row.src;
        let fallbackSrc = row.fallbackSrc;
        let displayName = item.name || displayNameFromPath(filePath);
        let cardTitle = displayName;
        var cardClass = 'card';

        var actions = recentDownloadBtnHtml() + recentDeleteBtnHtml();

        h += `<div class="${cardClass}" data-file="${escapeAttr(filePath)}" data-kind="${item.kind}" data-type="${realType}"${item.fileId ? (' data-id="' + item.fileId + '"') : ''} data-name="${escapeAttr(displayName)}" title="${escapeAttr(cardTitle)}">

            <div class="rect ${realType == 2 ? 'rect1' : ''}">

              <div class="soon-file-card__actions">${actions}</div>

              <img src="${escapeAttr(src)}" alt="" onerror="this.onerror=null;this.src='${escapeAttr(fallbackSrc)}'">

              <div class="tip">${escapeAttr(displayName)}</div>

            </div>

          </div>`;

      }

      $(".card-list").html(h);
      renderFilePager();

    } catch (e) {

      console.error("加载文件列表出错", e);

      $(".card-list").html(soonEmptyBlock('加载失败', '请刷新页面重试',
        '<button type="button" class="soon-btn soon-btn--sm soon-empty__action" id="fileListRetry">重试</button>'));
      var retry = document.getElementById('fileListRetry');
      if (retry) retry.onclick = function () { loadHistory(true); };
      if (document.getElementById('filePager')) document.getElementById('filePager').innerHTML = '';

    }

  }

  function renderTemplatesError(message) {

    var grid = document.getElementById('templatesGrid');

    var countEl = document.getElementById('templateCount');

    if (!grid) return;

    templateListState.items = [];
    templateListState.total = 0;
    templateListState.page = 1;

    grid.innerHTML = soonEmptyBlock(message, null,
      '<button type="button" class="soon-btn soon-btn--sm soon-empty__action" id="templatesRetry">重试</button>');

    if (countEl) countEl.textContent = '!';

    renderTemplatePager();

    var btn = document.getElementById('templatesRetry');

    if (btn) btn.onclick = loadTemplates;

  }

  function templateFallbackThumb(type) {
    var t = Number(type) || 1;
    return soonAsset(t === 2 ? 'bg_2.png' : 'bg_1.png');
  }

  function resolveTemplateItem(m, base) {
    var type = Number(m.type) || 1;
    var id = m.id;
    var v = m.updated_at ? ('?v=' + encodeURIComponent(m.updated_at)) : '';
    return {
      id: id,
      name: m.name || m.title || '模板',
      type: type,
      updated_at: m.updated_at || '',
      thumbSrc: id ? (base + '/templates/' + id + '/thumb' + v) : templateFallbackThumb(type)
    };
  }

  function openTemplateItem(m) {
    var type = Number(m.type) || 1;
    var id = m && m.id;
    if (!id) {
      if (typeof window.soonToast === 'function') window.soonToast('模板不可用', 'error');
      return;
    }
    window._soonTemplateMeta = {
      id: id,
      name: m.name || m.title || '模板',
      type: type,
      updated_at: m.updated_at || ''
    };
    var templateKey = typeof window.soonMakeTemplateKey === 'function'
      ? window.soonMakeTemplateKey(id)
      : ('soondesign_template:' + id);
    openDesign(type, templateKey);
  }

  function templateCardHtml(m, itemIndex) {
    var type = Number(m.type) || 1;
    var fallback = templateFallbackThumb(type);
    var thumbSrc = m.thumbSrc || fallback;
    var esc = typeof soonEscapeHtml === 'function' ? soonEscapeHtml : escapeAttr;
    var name = esc(m.name || m.title || '模板');
    var rectClass = 'rect' + (type == 2 ? ' rect1' : '');
    return '<div class="card" data-type="' + type + '" data-index="' + itemIndex + '" title="' + name + '">' +
      '<div class="' + rectClass + '">' +
      '<img src="' + esc(thumbSrc) + '" alt="" loading="lazy" onerror="this.onerror=null;this.src=\'' + esc(fallback) + '\'">' +
      '<div class="tip">' + name + '</div>' +
      '</div></div>';
  }

  function bindTemplateCards(grid) {
    if (!grid) return;
    grid.querySelectorAll('.card[data-index]').forEach(function (card) {
      card.onclick = function () {
        var idx = Number(card.dataset.index);
        var m = templateListState.items[idx];
        if (m) openTemplateItem(m);
      };
    });
  }

  function renderTemplatePager() {
    var prevNav = document.getElementById('templatePrev');
    var nextNav = document.getElementById('templateNext');
    var page = templateListState.page;
    var size = templateListState.size;
    var total = templateListState.total;
    var pages = Math.max(1, Math.ceil(total / size));

    if (prevNav) prevNav.disabled = total === 0 || page <= 1;
    if (nextNav) nextNav.disabled = total === 0 || page >= pages;
  }

  function goTemplatePage(page) {
    var pages = Math.max(1, Math.ceil(templateListState.total / templateListState.size));
    templateListState.page = Math.max(1, Math.min(pages, page));
    renderTemplatesPage();
  }

  function renderTemplatesPage() {
    var grid = document.getElementById('templatesGrid');
    var countEl = document.getElementById('templateCount');
    if (!grid) return;

    var items = templateListState.items || [];
    templateListState.total = items.length;
    if (countEl) countEl.textContent = String(items.length);

    if (!items.length) {
      grid.innerHTML = soonEmptyBlock('暂无模板');
      renderTemplatePager();
      return;
    }

    var start = (templateListState.page - 1) * templateListState.size;
    var slice = items.slice(start, start + templateListState.size);
    grid.innerHTML = slice.map(function (m, i) { return templateCardHtml(m, start + i); }).join('');
    bindTemplateCards(grid);
    renderTemplatePager();
  }

  var _templatesLoadedAt = 0;

  async function loadTemplates(force) {

    var grid = document.getElementById('templatesGrid');

    var countEl = document.getElementById('templateCount');

    if (!grid) return;

    if (!force && _templatesLoadedAt && (Date.now() - _templatesLoadedAt) < 60000) {
      return;
    }

    var base = (window.SOON_DEPLOY_CONFIG && window.SOON_DEPLOY_CONFIG.api_v1_base) || '';

    if (!base) {

      templateListState.items = [];
      templateListState.total = 0;
      templateListState.page = 1;
      grid.innerHTML = soonEmptyBlock('暂不可用', '请稍后重试');
      if (countEl) countEl.textContent = '0';
      renderTemplatePager();
      return;

    }

    try {

      var r = await fetch(base + '/templates');

      var j = await r.json();

      if (!j.ok) {

        renderTemplatesError(j.message || '模板加载失败');

        return;

      }

      var items = (j.data && j.data.items) ? j.data.items : [];
      templateListState.items = items.map(function (it) { return resolveTemplateItem(it, base); });
      templateListState.total = templateListState.items.length;
      templateListState.page = 1;
      renderTemplatesPage();
      _templatesLoadedAt = Date.now();

    } catch (e) {

      renderTemplatesError('网络错误，请稍后重试');

    }

  }



  loadHistory(true);

  loadTemplates();

  window.soonReloadRecentFiles = function () { loadHistory(true); };
  window.soonReloadTemplates = function () { loadTemplates(true); };
  document.addEventListener('visibilitychange', function () {
    if (document.visibilityState === 'visible') {
      loadTemplates(false);
      loadHistory(false);
    }
  });
  window.addEventListener('pageshow', function (e) {
    if (e.persisted) {
      loadTemplates(false);
      loadHistory(false);
    }
  });

  var templatePrevNav = document.getElementById('templatePrev');
  var templateNextNav = document.getElementById('templateNext');
  if (templatePrevNav) {
    templatePrevNav.onclick = function () {
      if (!templatePrevNav.disabled) goTemplatePage(templateListState.page - 1);
    };
  }
  if (templateNextNav) {
    templateNextNav.onclick = function () {
      if (!templateNextNav.disabled) goTemplatePage(templateListState.page + 1);
    };
  }

  $("#openfile").click(function () { OpenDialog(); });

  $("#new1").click(function () {
    openDesign(1, '');
  });

  $("#new2").click(function () {
    openDesign(2, '');
  });



  function confirmDeleteCloudFile(fileId, message, onDone) {
    if (!fileId) return;
    layer.open({
      type: 1,
      skin: 'soon-layer',
      title: language_str("delTitle"),
      content: '<div class="soon-dialog-body">' + message + '</div>',
      btn: [language_str("comfirm"), language_str("cancel")],
      btnAlign: 'r',
      area: ['320px', 'auto'],
      resize: false,
      shadeClose: true,
      yes: async function (index) {
        if (window.platformBridge && window.platformBridge.deleteCloudFile) {
          try {
            await window.platformBridge.deleteCloudFile(fileId);
          } catch (e) { /* ignore */ }
        }
        if (typeof window.soonRecentList === 'function') {
          window.soonRecentList().forEach(function (it) {
            if (it.fileId === fileId) {
              if (typeof window.soonRecentRemove === 'function') window.soonRecentRemove(it.key);
              if (typeof window.soonLocalRemove === 'function') window.soonLocalRemove(it.key);
            }
          });
        }
        layer.msg(language_str("deleted"), { icon: 1, time: 1000 });
        if (typeof onDone === 'function') onDone();
        layer.close(index);
      }
    });
  }

  $(".card-list").on("click", '.soon-file-card__download', function (e) {

    e.stopPropagation();

    var card = $(this).closest('.card');

    var filePath = card.attr('data-file') || '';

    var kind = card.attr('data-kind') || 'local';

    var fileId = parseInt(card.attr('data-id'), 10);

    var name = card.attr('data-name') || 'design.soon';

    var type = parseInt(card.attr('data-type'), 10) || 1;

    var item = {
      kind: kind,
      filePath: filePath,
      key: filePath,
      fileId: fileId || undefined,
      name: name,
      type: type
    };

    if (typeof window.soonDownloadRecentItem === 'function') {
      window.soonDownloadRecentItem(item);
    }

  });

  $(".card-list").on("click", '.soon-file-card__delete', function (e) {

    e.stopPropagation();

    var card = $(this).closest('.card');

    var kind = card.attr('data-kind') || 'cloud';

    var fileId = parseInt(card.attr('data-id'), 10);

    var filePath = card.attr('data-file') || '';

    if (kind === 'local' || !fileId) {

      layer.open({
        type: 1,
        skin: 'soon-layer',
        title: language_str("delTitle"),
        content: '<div class="soon-dialog-body">' + language_str('deleteFileConfirm') + '</div>',
        btn: [language_str("comfirm"), language_str("cancel")],
        btnAlign: 'r',
        area: ['320px', 'auto'],
        resize: false,
        shadeClose: true,
        yes: function (index) {
          removeLocalHistoryPath(filePath).then(function () {
            if (filePath.indexOf('soondesign_session:') === 0) {
              try {
                sessionStorage.removeItem(filePath);
                localStorage.removeItem(filePath);
              } catch (err) { /* ignore */ }
            }
            layer.msg(language_str("deleted"), { icon: 1, time: 1000 });
            loadHistory(true);
            layer.close(index);
          });
        }
      });

      return;

    }

    confirmDeleteCloudFile(fileId, language_str('deleteFileConfirm'), function () { loadHistory(true); });

  });

  $(".card-list").on("click", '.card', function () {

    let filePath = $(this).attr("data-file") || $(this).attr("data");
    let type = Number($(this).attr("data-type")) || 1;

    if (typeof window.soonBindFileMeta === 'function') {
      window.soonBindFileMeta(filePath, { name: $(this).attr('data-name') || '' });
    }

    openDesign(type, filePath);

  });



  function OpenDialog() {

    var dialogApi = window.platformBridge && window.platformBridge.showOpenDialog

      ? { showOpenDialog: function (opts) { return window.platformBridge.showOpenDialog(opts); } }

      : null;

    if (!dialogApi) return;

    dialogApi.showOpenDialog({

      title: language_str("selectFile"),

      buttonLabel: language_str("comfirm"),

      filters: [{ name: language_str("SDFile"), extensions: ['soon'] }]

    }).then(async function (result) {

      if (result.canceled) return;

      var file = (result.files && result.files[0]) || result.file;

      if (!file || !file.text) {

        layer.msg(language_str("noFile"));

        return;

      }

      var fileName = file.name || 'design.soon';

      var soonData;

      try {

        soonData = JSON.parse(await file.text());

      } catch (e) {

        layer.msg(language_str("noFile"));

        return;

      }

      var openP = window.soonOpenSoonJsonLocally(soonData, fileName);
      if (openP && typeof openP.then === 'function') {
        openP.catch(function () {});
      }

    }).catch(function (err) { console.log(err); });

  }

});