(function () {
  'use strict';

  var HISTORY_KEY = 'soondesign_history';
  var VERSION = typeof __APP_VERSION__ !== 'undefined' ? __APP_VERSION__ : '3.2.101';

  function getAppBasePathname() {
    var p = (typeof window !== 'undefined' && window.location && window.location.pathname) ? window.location.pathname : '/';
    while (p.length > 1 && p.endsWith('/')) {
      p = p.slice(0, -1);
    }
    if (/\.web\.html$/i.test(p) || /\.html$/i.test(p)) {
      p = p.replace(/[^/]+$/, '');
    }
    if (!p.endsWith('/')) p += '/';
    return p;
  }

  var SERVER_API_BASE = (function () {
    var cfg = (typeof window !== 'undefined' && window.SOON_DEPLOY_CONFIG && window.SOON_DEPLOY_CONFIG.api_v1_base);
    if (cfg) return String(cfg).replace(/\/+$/, '') + '/';
    if (typeof window === 'undefined' || !window.location) return '/api/v1/';
    return window.location.origin + getAppBasePathname() + 'api/v1/';
  })();

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

  function authedFetch(path, opts) {
    var url = SERVER_API_BASE + String(path).replace(/^\/+/, '');
    if (typeof window.soonAuthedFetch === 'function') {
      return window.soonAuthedFetch(url, opts);
    }
    opts = opts || {};
    opts.headers = Object.assign({}, opts.headers || {});
    if (!opts.headers['Authorization'] && !opts.headers['authorization']) {
      var t = getAccessToken();
      if (t) opts.headers['Authorization'] = 'Bearer ' + t;
    }
    return fetch(url, opts);
  }

  var JSON_HEADERS = {
    'Content-Type': 'application/json; charset=utf-8',
    'Accept': 'application/json'
  };

  function parseCloudRef(p) {
    return typeof window.soonParseFileKey === 'function' ? window.soonParseFileKey(p) : null;
  }

  function normalizeSoonName(p) {
    return typeof window.soonNormalizeSoonName === 'function'
      ? window.soonNormalizeSoonName(p)
      : String(p || 'design.soon');
  }

  function packCloudResult(j) {
    if (!j || !j.ok || !j.data) {
      return Promise.reject(new Error('cloud_empty_response'));
    }
    var fileKey = typeof window.soonApplyCloudMeta === 'function'
      ? window.soonApplyCloudMeta(j.data)
      : null;
    if (!fileKey) {
      var d = j.data;
      window._soonFileMeta = { id: d.id, version: d.version, name: d.name };
      fileKey = 'soondesign_file:' + d.id + ':v' + d.version;
    }
    return { fileId: j.data.id, version: j.data.version, fileKey: fileKey, name: j.data.name };
  }

  function handleCloudResponse(response, bodyText) {
    if (response.ok) {
      try { return Promise.resolve(JSON.parse(bodyText)); } catch (e) { return Promise.resolve(null); }
    }
    var info = typeof window.soonParseApiError === 'function'
      ? window.soonParseApiError(response, bodyText)
      : { status: response.status, message: '操作失败' };
    if (typeof window.soonShowApiError === 'function') window.soonShowApiError(info);
    var err = new Error(info.message || 'cloud_error');
    err.status = info.status;
    err.code = info.code;
    return Promise.reject(err);
  }

  function requireCloudAuth(actionLabel) {
    if (getAccessToken()) return true;
    if (typeof window.soonRequireLogin === 'function') return window.soonRequireLogin(actionLabel);
    return false;
  }

  function navigateToPage(pathWithQuery) {
    try {
      location.href = new URL(pathWithQuery, window.location.href).href;
    } catch (e) {
      location.href = pathWithQuery;
    }
  }

  function getLocale() {
    var lang = typeof navigator !== 'undefined' ? (navigator.language || navigator.browserLanguage || '') : '';
    if (lang.indexOf('zh') === 0) return lang.indexOf('TW') >= 0 ? 'ozh' : 'zh';
    return 'en';
  }

  function getSystemFonts() {
    var list = [
      'Arial', 'Arial Black', 'Comic Sans MS', 'Courier New', 'Georgia',
      'Impact', 'Microsoft YaHei', 'SimHei', 'SimSun', 'KaiTi', 'FangSong',
      'Times New Roman', 'Trebuchet MS', 'Verdana', 'PingFang SC', 'Hiragino Sans GB'
    ];
    if (typeof document !== 'undefined' && document.fonts && document.fonts.forEach) {
      var set = {};
      document.fonts.forEach(function (f) {
        var name = (f.family || '').replace(/^["']|["']$/g, '');
        if (name) set[name] = 1;
      });
      list = Object.keys(set).length ? Object.keys(set).sort() : list;
    }
    return Promise.resolve(list);
  }

  function listCloudFiles(pageOrLimit, sizeOrOffset) {
    if (!requireCloudAuth('查看文件')) return Promise.reject(new Error('unauthorized'));
    var url;
    var fallback = { items: [], total: 0 };
    if (typeof pageOrLimit === 'object' && pageOrLimit) {
      var page = pageOrLimit.page || 1;
      var size = pageOrLimit.size || 12;
      url = 'files?page=' + page + '&size=' + size;
      fallback = { items: [], total: 0, page: page, size: size };
    } else {
      var lim = pageOrLimit || 50;
      var off = sizeOrOffset || 0;
      url = 'files?limit=' + lim + '&offset=' + off;
      fallback = { items: [], limit: lim, offset: off, total: 0 };
    }
    return authedFetch(url, { headers: { Accept: 'application/json' } })
      .then(function (r) { return r.text().then(function (t) { return handleCloudResponse(r, t); }); })
      .then(function (j) { return (j && j.ok && j.data) ? j.data : fallback; });
  }

  function createCloudFile(name, jsonStr) {
    if (!requireCloudAuth('保存')) return Promise.reject(new Error('unauthorized'));
    if (typeof window.soonRequireMember === 'function' && !window.soonRequireMember('保存')) {
      return Promise.reject(new Error('membership_required'));
    }
    return authedFetch('files', {
      method: 'POST',
      headers: JSON_HEADERS,
      body: JSON.stringify({ name: normalizeSoonName(name), json: jsonStr })
    })
      .then(function (r) { return r.text().then(function (t) { return handleCloudResponse(r, t); }); })
      .then(packCloudResult);
  }

  function updateCloudFile(id, name, jsonStr, version) {
    if (!requireCloudAuth('保存')) return Promise.reject(new Error('unauthorized'));
    if (typeof window.soonRequireMember === 'function' && !window.soonRequireMember('保存')) {
      return Promise.reject(new Error('membership_required'));
    }
    var body = { name: normalizeSoonName(name), json: jsonStr };
    if (version != null) body.version = version;
    return authedFetch('files/' + id, {
      method: 'PUT',
      headers: JSON_HEADERS,
      body: JSON.stringify(body)
    })
      .then(function (r) { return r.text().then(function (t) { return handleCloudResponse(r, t); }); })
      .then(packCloudResult);
  }

  function deleteCloudFile(id) {
    if (!requireCloudAuth('删除')) return Promise.reject(new Error('unauthorized'));
    return authedFetch('files/' + id, { method: 'DELETE', headers: { Accept: 'application/json' } })
      .then(function (r) { return r.text().then(function (t) { return handleCloudResponse(r, t); }); });
  }

  function importSoonFile(name, jsonObj) {
    var jsonStr = typeof jsonObj === 'string' ? jsonObj : JSON.stringify(jsonObj);
    return createCloudFile(name, jsonStr);
  }

  function downloadCloudFile(id, fileName) {
    if (!requireCloudAuth('下载')) return Promise.reject(new Error('unauthorized'));
    if (typeof window.soonRequireMember === 'function' && !window.soonRequireMember('下载')) {
      return Promise.reject(new Error('membership_required'));
    }
    return authedFetch('files/' + id + '/download', { headers: { Accept: 'application/octet-stream' } })
      .then(function (response) {
        if (!response.ok) {
          return response.text().then(function (t) { return handleCloudResponse(response, t); });
        }
        return response.blob().then(function (blob) {
          var a = document.createElement('a');
          a.download = normalizeSoonName(fileName || 'design.soon');
          a.href = URL.createObjectURL(blob);
          a.click();
          URL.revokeObjectURL(a.href);
        });
      });
  }

  var bridge = {
    readHistory: function () {
      try {
        var raw = localStorage.getItem(HISTORY_KEY);
        return Promise.resolve(raw ? JSON.parse(raw) : { history: [] });
      } catch (e) {
        return Promise.resolve({ history: [] });
      }
    },
    writeHistory: function (data) {
      try {
        localStorage.setItem(HISTORY_KEY, JSON.stringify(data));
        return Promise.resolve({ success: true });
      } catch (e) {
        return Promise.resolve({ success: false, error: e.message });
      }
    },
    listCloudFiles: listCloudFiles,
    createCloudFile: createCloudFile,
    updateCloudFile: updateCloudFile,
    deleteCloudFile: deleteCloudFile,
    importSoonFile: importSoonFile,
    downloadCloudFile: downloadCloudFile,
    requireCloudAuth: requireCloudAuth,
    readJsonFile: function (pathOrHandle) {
      if (!pathOrHandle) return Promise.resolve(null);
      if (typeof pathOrHandle === 'object' && pathOrHandle.text) {
        return pathOrHandle.text().then(function (t) {
          try { return JSON.parse(t); } catch (e) { return null; }
        });
      }
      var key = typeof pathOrHandle === 'string' ? pathOrHandle : '';
      if (key.indexOf('soondesign_session:') === 0) {
        try {
          var j = sessionStorage.getItem(key);
          if (!j && typeof localStorage !== 'undefined') j = localStorage.getItem(key);
          return Promise.resolve(j ? JSON.parse(j) : null);
        } catch (e) { return Promise.resolve(null); }
      }
      if (key && key.indexOf('soondesign_file:') === 0 && typeof fetch !== 'undefined') {
        var fileMatch = key.match(/^soondesign_file:(\d+)/);
        if (fileMatch && getAccessToken()) {
          return authedFetch('files/' + fileMatch[1] + '/download', { headers: { Accept: 'application/json' } })
            .then(function (response) {
              if (!response.ok) return null;
              return response.text().then(function (text) {
                try { return JSON.parse(text); } catch (e) { return null; }
              });
            })
            .catch(function () { return null; });
        }
      }
      return Promise.resolve(null);
    },
    showOpenDialog: function (options) {
      return new Promise(function (resolve) {
        var input = document.createElement('input');
        input.type = 'file';
        if (options && options.filters && Array.isArray(options.filters) && options.filters.length > 0) {
          var acceptList = [];
          options.filters.forEach(function (filter) {
            if (filter.extensions && Array.isArray(filter.extensions)) {
              filter.extensions.forEach(function (ext) {
                var cleanExt = ext.replace(/^\./, '');
                if (['png', 'jpg', 'jpeg', 'gif', 'bmp', 'webp', 'svg'].indexOf(cleanExt.toLowerCase()) >= 0) {
                  var mimeType = 'image/' + (cleanExt.toLowerCase() === 'jpg' ? 'jpeg' : cleanExt.toLowerCase());
                  if (acceptList.indexOf(mimeType) < 0) acceptList.push(mimeType);
                } else {
                  var extWithDot = '.' + cleanExt;
                  if (acceptList.indexOf(extWithDot) < 0) acceptList.push(extWithDot);
                }
              });
            }
          });
          input.accept = acceptList.length > 0 ? acceptList.join(',') : '';
        } else {
          input.accept = '.soon,application/json';
        }
        input.style.display = 'none';
        input.onchange = function () {
          var f = input.files && input.files[0];
          document.body.removeChild(input);
          if (!f) resolve({ canceled: true });
          else resolve({ canceled: false, filePaths: [], files: [f], file: f });
        };
        document.body.appendChild(input);
        input.click();
      });
    },
    showSaveDialog: function (options) {
      var raw = (options && options.defaultPath) ? options.defaultPath : '';
      var defaultName = normalizeSoonName(raw || 'design.soon');
      if (typeof window.soonDisplayFileName === 'function' && raw.indexOf('soondesign_file:') === 0) {
        defaultName = window.soonDisplayFileName(raw);
      }
      return new Promise(function (resolve) {
        var name = typeof prompt === 'function' ? prompt('保存为文件名（如 xxx.soon）', defaultName) : defaultName;
        if (name === null) {
          resolve({ canceled: true });
          return;
        }
        var fp = (name && String(name).trim()) ? String(name).trim() : defaultName;
        fp = normalizeSoonName(fp);
        resolve({ canceled: false, filePath: fp, useCloud: true });
      });
    },
    writeFile: function (pathOrHandle, content) {
      var isBlob = content instanceof Blob;
      var str = typeof content === 'string' ? content : (isBlob ? null : (content && content.toString ? content.toString() : ''));

      if (isBlob) {
        var blobName = typeof pathOrHandle === 'string' ? pathOrHandle : 'output.bin';
        var a = document.createElement('a');
        a.download = blobName;
        a.href = URL.createObjectURL(content);
        a.click();
        URL.revokeObjectURL(a.href);
        return Promise.resolve();
      }

      if (pathOrHandle && pathOrHandle.createWritable) {
        pathOrHandle = typeof pathOrHandle.name === 'string' ? pathOrHandle.name : 'design.soon';
      }

      if (!requireCloudAuth('保存')) {
        return Promise.reject(new Error('unauthorized'));
      }

      var name = typeof pathOrHandle === 'string' ? pathOrHandle : 'design.soon';
      var cloudRef = parseCloudRef(name);
      var fileName = normalizeSoonName(name);

      if (cloudRef && cloudRef.id) {
        var ver = cloudRef.version;
        if (ver == null && window._soonFileMeta && window._soonFileMeta.id === cloudRef.id) {
          ver = window._soonFileMeta.version;
        }
        return updateCloudFile(cloudRef.id, fileName, str, ver);
      }

      return createCloudFile(fileName, str);
    },
    readFile: function (pathOrHandle) {
      if (pathOrHandle && pathOrHandle.getFile) {
        return pathOrHandle.getFile().then(function (f) {
          return new Promise(function (res, rej) {
            var r = new FileReader();
            r.onload = function () { res(r.result); };
            r.onerror = rej;
            r.readAsArrayBuffer(f);
          });
        });
      }
      if (pathOrHandle && pathOrHandle.arrayBuffer) {
        return pathOrHandle.arrayBuffer();
      }
      return Promise.reject(new Error('No file'));
    },
    getAppVersion: function () { return Promise.resolve(VERSION); },
    getLocale: getLocale,
    getUserDataPath: function () { return ''; },
    getSystemFonts: getSystemFonts,
    openDesignPage: function (file, type) {
      var t = type || 1;
      if (file && typeof sessionStorage !== 'undefined') {
        try {
          sessionStorage.setItem('soondesign_open_file', file);
          sessionStorage.setItem('soondesign_open_type', String(t));
          if (file.indexOf('soondesign_file:') === 0 && window._soonFileMeta) {
            sessionStorage.setItem('soondesign_open_meta', JSON.stringify(window._soonFileMeta));
          }
        } catch (e) {}
      }
      var fileParam = file ? encodeURIComponent(file) : '';
      navigateToPage('design' + t + '.web.html?file=' + fileParam + '&type=' + t);
    },
    openFirstPage: function () {
      navigateToPage('index.web.html');
    },
    onClose: function (callback) {
      if (typeof window !== 'undefined') {
        window.addEventListener('beforeunload', callback);
      }
    },
    runClose: function () {
      if (typeof window !== 'undefined' && window.close) window.close();
    },
    openHelp: function () {
      try {
        window.open(new URL('../assets/help/User Manual.pdf', window.location.href).href, '_blank');
      } catch (e) {
        window.open('../assets/help/User Manual.pdf', '_blank');
      }
    },
    printPdf: function (urlOrBlob) {
      var url = urlOrBlob;
      if (urlOrBlob && typeof urlOrBlob === 'object' && !(urlOrBlob instanceof String)) {
        url = URL.createObjectURL(urlOrBlob);
      }
      var w = window.open(url, '_blank');
      if (w) w.onload = function () { w.print(); };
    },
    getScaleRate: function () {
      return typeof window !== 'undefined' && window.devicePixelRatio ? window.devicePixelRatio : 1;
    },
    clipboard: {
      readText: function () {
        return navigator.clipboard && navigator.clipboard.readText ? navigator.clipboard.readText() : Promise.resolve('');
      },
      writeText: function (text) {
        if (navigator.clipboard && navigator.clipboard.writeText) {
          return navigator.clipboard.writeText(text);
        }
        return Promise.resolve();
      }
    }
  };

  window.platformBridge = bridge;

  var pathStub = {
    join: function () { return [].slice.call(arguments).join('/').replace(/\/+/g, '/'); }
  };

  window.sysAPI = {
    readHistory: bridge.readHistory,
    writeHistory: bridge.writeHistory,
    readJsonFile: bridge.readJsonFile,
    getAppVersion: bridge.getAppVersion
  };
  window.dialog = {
    showOpenDialog: bridge.showOpenDialog,
    showSaveDialog: bridge.showSaveDialog
  };
  window.path = pathStub;
  window.fs = null;
  window.remote = null;
  var loc = getLocale();
  window.ipcRenderer = {
    send: function (ch, a1, a2) {
      if (ch === 'get-sys-language') { window._sysLanPending = true; setTimeout(function () { if (window._sysLanCb && window._sysLanPending) { window._sysLanCb(null, loc); window._sysLanPending = false; } }, 0); }
      if (ch === 'open-first-page' && bridge.openFirstPage) { bridge.openFirstPage(); }
      if (ch === 'open-design-page' && bridge.openDesignPage && (a1 !== undefined || a2 !== undefined)) { bridge.openDesignPage(a1 || '', a2 || 1); }
      if (ch === 'open-help-file' && bridge.openHelp) { bridge.openHelp(); }
      if (ch === 'run-close' && bridge.runClose) { bridge.runClose(); }
    },
    on: function (ch, cb) {
      if (ch === 'sys-lan') { window._sysLanCb = cb; if (window._sysLanPending) setTimeout(function () { if (window._sysLanCb) { window._sysLanCb(null, loc); window._sysLanPending = false; } }, 0); }
      if (ch === 'close') window._closeCb = cb;
    }
  };
  window.clipboard = bridge.clipboard;
  window.exePath = '';
  window.fullPath = '';
})();