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));

    });

  }



  var lang = localStorage.getItem("lang");

  if (lang) {

    s_lan = lang;

    langua_ge(s_lan);

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

  } else if (window.platformBridge && window.platformBridge.getLocale) {

    window.platformBridge.getLocale().then(function (loc) {

      if (loc && loc.indexOf('zh') === 0) {

        s_lan = loc.indexOf('TW') >= 0 ? 'ozh' : 'zh';

      } else {

        s_lan = 'en';

      }

      langua_ge(s_lan);

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

      localStorage.setItem("lang", s_lan);

    });

  }



  $('#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; }
  }

  function makeFileKey(id, version) {
    return typeof window.soonMakeFileKey === 'function'
      ? window.soonMakeFileKey(id, version)
      : ('soondesign_file:' + id + ':v' + version);
  }

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

  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();
      };
    }
  }

  async function loadHistory() {

    try {

      var recentCountEl = document.getElementById('recentCount');
      var filePagerEl = document.getElementById('filePager');

      if (!hasCloudAuth()) {

        if (recentCountEl) recentCountEl.textContent = '0';
        if (filePagerEl) filePagerEl.innerHTML = '';

        $(".card-list").html(soonEmptyBlock('登录后查看文件', '请先登录以管理云端设计文件',

          '<a href="login.web.html" class="soon-btn soon-btn--sm soon-empty__action">去登录</a>'));

        return;

      }

      if (!window.platformBridge || !window.platformBridge.listCloudFiles) {

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

        return;

      }

      var data = await window.platformBridge.listCloudFiles({
        page: fileListState.page,
        size: fileListState.size,
      });

      var items = (data && data.items) ? data.items : [];
      fileListState.total = (data && data.total != null) ? data.total : items.length;
      if (data && data.page) fileListState.page = data.page;

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

      if (!items.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;

      }

      let h = "";

      for (let item of items) {

        let filePath = makeFileKey(item.id, item.version);

        let src = "";

        let fileExists = true;

        let imgStyle = "";

        let realType = 1;

        const soonData = await window.sysAPI.readJsonFile(filePath);

        if (soonData) {

          realType = soonData.soonType ? soonData.soonType : (soonData.backBlackPic ? 2 : 1);

          var fallbackThumb = (realType == 2 || realType == "2") ? soonAsset('bg_2.png') : soonAsset('bg_1.png');

          src = typeof soonSafeImageUrl === 'function'

            ? soonSafeImageUrl(soonData.frontDisplayPic, fallbackThumb)

            : (soonData.frontDisplayPic || fallbackThumb);

          if (!src) src = fallbackThumb;

        } else {

          fileExists = false;

          src = soonAsset('bg_1.png');

          imgStyle = "opacity: 0.6; filter: grayscale(100%);";

        }

        let displayName = item.name || ('文件 #' + item.id);

        let cardTitle = displayName;

        var cardClass = 'card';

        if (!fileExists) {

          cardTitle = language_str("clickToDelete");

          cardClass += ' soon-card--lost';

        }

        var lostBadge = !fileExists

          ? ' <span class="soon-badge soon-badge--disabled">' + language_str("lost") + '</span>'

          : '';

        var dlBtn = '<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>';

        var delBtn = '<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>';

        h += `<div class="${cardClass}" data-file="${escapeAttr(filePath)}" data-id="${item.id}" data-name="${escapeAttr(displayName)}" title="${escapeAttr(cardTitle)}">

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

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

              <img src="${escapeAttr(src)}" style="${imgStyle}" alt="">

              <div class="tip">${escapeAttr(displayName)}${lostBadge}</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(); };
      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 templateCardHtml(m, i) {
    var defaultThumb = soonAsset('bg_1.png');
    var thumbSrc = typeof soonSafeImageUrl === 'function'
      ? soonSafeImageUrl(m.thumbnail_url, defaultThumb)
      : (m.thumbnail_url || defaultThumb);
    if (!thumbSrc) thumbSrc = defaultThumb;
    var esc = typeof soonEscapeHtml === 'function' ? soonEscapeHtml : escapeAttr;
    var name = esc(m.name || m.title || '模板');
    return '<div class="soon-template-card" style="animation-delay:' + (i * 0.05) + 's" data-type="' + (m.type || 1) + '">' +
      '<img src="' + esc(thumbSrc) + '" alt="">' +
      '<span>' + name + '</span></div>';
  }

  function bindTemplateCards(grid) {
    if (!grid) return;
    grid.querySelectorAll('.soon-template-card').forEach(function (card) {
      card.onclick = function () {
        openDesign(Number(card.dataset.type) || 1, '');
      };
    });
  }

  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, i); }).join('');
    bindTemplateCards(grid);
    renderTemplatePager();
  }

  async function loadTemplates() {

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

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

    if (!grid) 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 + '/soon-models');

      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;
      templateListState.total = items.length;
      templateListState.page = 1;
      renderTemplatesPage();

    } catch (e) {

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

    }

  }



  loadHistory();

  loadTemplates();

  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 () {

    if (typeof window.soonRequireLogin === 'function' && !window.soonRequireLogin('新建')) return;

    openDesign(1, '');

  });

  $("#new2").click(function () {

    if (typeof window.soonRequireLogin === 'function' && !window.soonRequireLogin('新建')) return;

    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 */ }
        }
        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 id = parseInt(card.attr('data-id'), 10);

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

    if (typeof window.soonRequireMember === 'function' && !window.soonRequireMember('下载')) return;

    if (id && window.platformBridge && window.platformBridge.downloadCloudFile) {

      window.platformBridge.downloadCloudFile(id, name).catch(function () {});

    }

  });

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

    e.stopPropagation();

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

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

    if (!fileId) return;

    confirmDeleteCloudFile(fileId, language_str('deleteFileConfirm'), loadHistory);

  });

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

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

    const soonData = await window.sysAPI.readJsonFile(filePath);

    if (soonData) {

      let type = soonData.soonType ? soonData.soonType : (soonData.backBlackPic ? 2 : 1);

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

      openDesign(type, filePath);

    } else {

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

      confirmDeleteCloudFile(fileId, language_str("delContent"), loadHistory);

    }

  });



  function OpenDialog() {

    if (typeof window.soonRequireLogin === 'function' && !window.soonRequireLogin('打开文件')) return;

    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;

      }

      if (!window.platformBridge || !window.platformBridge.importSoonFile) return;

      try {

        var res = await window.platformBridge.importSoonFile(fileName, soonData);

        if (!res || !res.fileKey) return;

        var type = soonData.soonType ? soonData.soonType : (soonData.backBlackPic ? 2 : 1);

        openDesign(type, res.fileKey);

        loadHistory();

      } catch (err) { /* errors shown by bridge */ }

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

  }

});