// Variables used by Scriptable.
// These must be at the very top of the file. Do not edit.
// icon-glyph: layer-group; icon-color: blue;
/**
 * 掘金文章订阅
 *
 * @version 1.1.0
 * @author Honye
 */

/**
 * Thanks @mzeryck
 *
 * @param {number} [height] The screen height measured in pixels
 */
const phoneSize = (height) => {
  const phones = {
    /** 14 Pro Max */
    2796: {
      small: 510,
      medium: 1092,
      large: 1146,
      left: 99,
      right: 681,
      top: 282,
      middle: 918,
      bottom: 1554
    },
    /** 14 Pro */
    2556: {
      small: 474,
      medium: 1014,
      large: 1062,
      left: 82,
      right: 622,
      top: 270,
      middle: 858,
      bottom: 1446
    },
    /** 13 Pro Max, 12 Pro Max */
    2778: {
      small: 510,
      medium: 1092,
      large: 1146,
      left: 96,
      right: 678,
      top: 246,
      middle: 882,
      bottom: 1518
    },
    /** 13, 13 Pro, 12, 12 Pro */
    2532: {
      small: 474,
      medium: 1014,
      large: 1062,
      left: 78,
      right: 618,
      top: 231,
      middle: 819,
      bottom: 1407
    },
    /** 11 Pro Max, XS Max */
    2688: {
      small: 507,
      medium: 1080,
      large: 1137,
      left: 81,
      right: 654,
      top: 228,
      middle: 858,
      bottom: 1488
    },
    /** 11, XR */
    1792: {
      small: 338,
      medium: 720,
      large: 758,
      left: 55,
      right: 437,
      top: 159,
      middle: 579,
      bottom: 999
    },
    /** 13 mini, 12 mini / 11 Pro, XS, X */
    2436: {
      small: 465,
      medium: 987,
      large: 1035,
      x: {
        left: 69,
        right: 591,
        top: 213,
        middle: 783,
        bottom: 1353
      },
      mini: {
        left: 69,
        right: 591,
        top: 231,
        middle: 801,
        bottom: 1371
      }
    },
    /** Plus phones */
    2208: {
      small: 471,
      medium: 1044,
      large: 1071,
      left: 99,
      right: 672,
      top: 114,
      middle: 696,
      bottom: 1278
    },
    /** SE2 and 6/6S/7/8 */
    1334: {
      small: 296,
      medium: 642,
      large: 648,
      left: 54,
      right: 400,
      top: 60,
      middle: 412,
      bottom: 764
    },
    /** SE1 */
    1136: {
      small: 282,
      medium: 584,
      large: 622,
      left: 30,
      right: 332,
      top: 59,
      middle: 399,
      bottom: 399
    },
    /** 11 and XR in Display Zoom mode */
    1624: {
      small: 310,
      medium: 658,
      large: 690,
      left: 46,
      right: 394,
      top: 142,
      middle: 522,
      bottom: 902
    },
    /** Plus in Display Zoom mode */
    2001: {
      small: 444,
      medium: 963,
      large: 972,
      left: 81,
      right: 600,
      top: 90,
      middle: 618,
      bottom: 1146
    }
  };
  height = height || Device.screenResolution().height;
  const scale = Device.screenScale();

  const phone = phones[height];
  if (phone) {
    return phone
  }

  if (config.runsInWidget) {
    const pc = {
      small: 164 * scale,
      medium: 344 * scale,
      large: 354 * scale
    };
    return pc
  }

  // in app screen fixed 375x812 pt
  return {
    small: 155 * scale,
    medium: 329 * scale,
    large: 345 * scale
  }
};

/**
 * 多语言国际化
 * @param {{[language: string]: string} | [en:string, zh:string]} langs
 */
const i18n = (langs) => {
  const language = Device.language();
  if (Array.isArray(langs)) {
    langs = {
      en: langs[0],
      zh: langs[1],
      others: langs[0]
    };
  } else {
    langs.others = langs.others || langs.en;
  }
  return langs[language] || langs.others
};

/**
 * @param {...string} paths
 */
const joinPath = (...paths) => {
  const fm = FileManager.local();
  return paths.reduce((prev, curr) => {
    return fm.joinPath(prev, curr)
  }, '')
};

/**
 * 规范使用 FileManager。每个脚本使用独立文件夹
 *
 * 注意：桌面组件无法写入 cacheDirectory 和 temporaryDirectory
 * @param {object} options
 * @param {boolean} [options.useICloud]
 * @param {string} [options.basePath]
 */
const useFileManager = (options = {}) => {
  const { useICloud, basePath } = options;
  const fm = useICloud ? FileManager.iCloud() : FileManager.local();
  const paths = [fm.documentsDirectory(), Script.name()];
  if (basePath) {
    paths.push(basePath);
  }
  const cacheDirectory = joinPath(...paths);
  /**
   * 删除路径末尾所有的 /
   * @param {string} filePath
   */
  const safePath = (filePath) => {
    return fm.joinPath(cacheDirectory, filePath).replace(/\/+$/, '')
  };
  /**
   * 如果上级文件夹不存在，则先创建文件夹
   * @param {string} filePath
   */
  const preWrite = (filePath) => {
    const i = filePath.lastIndexOf('/');
    const directory = filePath.substring(0, i);
    if (!fm.fileExists(directory)) {
      fm.createDirectory(directory, true);
    }
  };

  const writeString = (filePath, content) => {
    const nextPath = safePath(filePath);
    preWrite(nextPath);
    fm.writeString(nextPath, content);
  };

  /**
   * @param {string} filePath
   * @param {*} jsonData
   */
  const writeJSON = (filePath, jsonData) => writeString(filePath, JSON.stringify(jsonData));
  /**
   * @param {string} filePath
   * @param {Image} image
   */
  const writeImage = (filePath, image) => {
    const nextPath = safePath(filePath);
    preWrite(nextPath);
    return fm.writeImage(nextPath, image)
  };

  /**
   * 文件不存在时返回 null
   * @param {string} filePath
   * @returns {string|null}
   */
  const readString = (filePath) => {
    const fullPath = fm.joinPath(cacheDirectory, filePath);
    if (fm.fileExists(fullPath)) {
      return fm.readString(
        fm.joinPath(cacheDirectory, filePath)
      )
    }
    return null
  };

  /**
   * @param {string} filePath
   */
  const readJSON = (filePath) => JSON.parse(readString(filePath));

  /**
   * @param {string} filePath
   */
  const readImage = (filePath) => {
    return fm.readImage(fm.joinPath(cacheDirectory, filePath))
  };

  return {
    cacheDirectory,
    writeString,
    writeJSON,
    writeImage,
    readString,
    readJSON,
    readImage
  }
};

/** 规范使用文件缓存。每个脚本使用独立文件夹 */
const useCache = () => useFileManager({ basePath: 'cache' });

/**
 * @file Scriptable WebView JSBridge native SDK
 * @version 1.0.2
 * @author Honye
 */

/**
 * @typedef Options
 * @property {Record<string, () => void>} methods
 */

const sendResult = (() => {
  let sending = false;
  /** @type {{ code: string; data: any }[]} */
  const list = [];

  /**
   * @param {WebView} webView
   * @param {string} code
   * @param {any} data
   */
  return async (webView, code, data) => {
    if (sending) return

    sending = true;
    list.push({ code, data });
    const arr = list.splice(0, list.length);
    for (const { code, data } of arr) {
      const eventName = `ScriptableBridge_${code}_Result`;
      const res = data instanceof Error ? { err: data.message } : data;
      await webView.evaluateJavaScript(
        `window.dispatchEvent(
          new CustomEvent(
            '${eventName}',
            { detail: ${JSON.stringify(res)} }
          )
        )`
      );
    }
    if (list.length) {
      const { code, data } = list.shift();
      sendResult(webView, code, data);
    } else {
      sending = false;
    }
  }
})();

/**
 * @param {WebView} webView
 * @param {Options} options
 */
const inject = async (webView, options) => {
  const js =
`(() => {
  const queue = window.__scriptable_bridge_queue
  if (queue && queue.length) {
    completion(queue)
  }
  window.__scriptable_bridge_queue = null

  if (!window.ScriptableBridge) {
    window.ScriptableBridge = {
      invoke(name, data, callback) {
        const detail = { code: name, data }

        const eventName = \`ScriptableBridge_\${name}_Result\`
        const controller = new AbortController()
        window.addEventListener(
          eventName,
          (e) => {
            callback && callback(e.detail)
            controller.abort()
          },
          { signal: controller.signal }
        )

        if (window.__scriptable_bridge_queue) {
          window.__scriptable_bridge_queue.push(detail)
          completion()
        } else {
          completion(detail)
          window.__scriptable_bridge_queue = []
        }
      }
    }
    window.dispatchEvent(
      new CustomEvent('ScriptableBridgeReady')
    )
  }
})()`;

  const res = await webView.evaluateJavaScript(js, true);
  if (!res) return inject(webView, options)

  const methods = options.methods || {};
  const events = Array.isArray(res) ? res : [res];
  // 同时执行多次 webView.evaluateJavaScript Scriptable 存在问题
  // 可能是因为 JavaScript 是单线程导致的
  const sendTasks = events.map(({ code, data }) => {
    return (() => {
      try {
        return Promise.resolve(methods[code](data))
      } catch (e) {
        return Promise.reject(e)
      }
    })()
      .then((res) => sendResult(webView, code, res))
      .catch((e) => sendResult(webView, code, e instanceof Error ? e : new Error(e)))
  });
  await Promise.all(sendTasks);
  inject(webView, options);
};

/**
 * @param {WebView} webView
 * @param {object} args
 * @param {string} args.html
 * @param {string} [args.baseURL]
 * @param {Options} options
 */
const loadHTML = async (webView, args, options = {}) => {
  const { html, baseURL } = args;
  await webView.loadHTML(html, baseURL);
  inject(webView, options).catch((err) => console.error(err));
};

/**
 * 轻松实现桌面组件可视化配置
 *
 * - 颜色选择器及更多表单控件
 * - 快速预览
 *
 * GitHub: https://github.com/honye
 *
 * @version 1.4.1
 * @author Honye
 */
const fm = FileManager.local();
const fileName = 'settings.json';

const toast = (message) => {
  const notification = new Notification();
  notification.title = Script.name();
  notification.body = message;
  notification.schedule();
};

const isUseICloud = () => {
  const ifm = useFileManager({ useICloud: true });
  const filePath = fm.joinPath(ifm.cacheDirectory, fileName);
  return fm.fileExists(filePath)
};

/** 查看配置文件可导出分享 */
const exportSettings = () => {
  const scopedFM = useFileManager({ useICloud: isUseICloud() });
  const filePath = fm.joinPath(scopedFM.cacheDirectory, fileName);
  if (fm.isFileStoredIniCloud(filePath)) {
    fm.downloadFileFromiCloud(filePath);
  }
  if (fm.fileExists(filePath)) {
    QuickLook.present(filePath);
  } else {
    const alert = new Alert();
    alert.message = i18n(['Using default configuration', '使用的默认配置，未做任何修改']);
    alert.addCancelAction(i18n(['OK', '好的']));
    alert.present();
  }
};

const importSettings = async () => {
  const alert1 = new Alert();
  alert1.message = i18n([
    'Will replace existing configuration',
    '会替换已有配置，确认导入吗？可将现有配置导出备份后再导入其他配置'
  ]);
  alert1.addAction(i18n(['Import', '导入']));
  alert1.addCancelAction(i18n(['Cancel', '取消']));
  const i = await alert1.present();
  if (i === -1) return

  const pathList = await DocumentPicker.open(['public.json']);
  for (const path of pathList) {
    const fileName = fm.fileName(path, true);
    const scopedFM = useFileManager({ useICloud: isUseICloud() });
    const destPath = fm.joinPath(scopedFM.cacheDirectory, fileName);
    if (fm.fileExists(destPath)) {
      fm.remove(destPath);
    }
    const i = destPath.lastIndexOf('/');
    const directory = destPath.substring(0, i);
    if (!fm.fileExists(directory)) {
      fm.createDirectory(directory, true);
    }
    fm.copy(path, destPath);
  }
  const alert = new Alert();
  alert.message = i18n(['Imported success', '导入成功']);
  alert.addAction(i18n(['Restart', '重新运行']));
  await alert.present();
  const callback = new CallbackURL('scriptable:///run');
  callback.addParameter('scriptName', Script.name());
  callback.open();
};

/**
 * @returns {Promise<Settings>}
 */
const readSettings = async () => {
  const useICloud = isUseICloud();
  console.log(`[info] use ${useICloud ? 'iCloud' : 'local'} settings`);
  const fm = useFileManager({ useICloud });
  const settings = fm.readJSON(fileName);
  return settings
};

/**
 * @param {Record<string, unknown>} data
 * @param {{ useICloud: boolean; }} options
 */
const writeSettings = async (data, { useICloud }) => {
  const fm = useFileManager({ useICloud });
  fm.writeJSON(fileName, data);
};

const removeSettings = async (settings) => {
  const cache = useFileManager({ useICloud: settings.useICloud });
  fm.remove(
    fm.joinPath(cache.cacheDirectory, fileName)
  );
};

const moveSettings = (useICloud, data) => {
  const localFM = useFileManager();
  const iCloudFM = useFileManager({ useICloud: true });
  const [i, l] = [
    fm.joinPath(iCloudFM.cacheDirectory, fileName),
    fm.joinPath(localFM.cacheDirectory, fileName)
  ];
  try {
    // 移动文件需要创建父文件夹，写入操作会自动创建文件夹
    writeSettings(data, { useICloud });
    if (useICloud) {
      if (fm.fileExists(l)) fm.remove(l);
    } else {
      if (fm.fileExists(i)) fm.remove(i);
    }
  } catch (e) {
    console.error(e);
  }
};

/**
 * @typedef {object} NormalFormItem
 * @property {string} name
 * @property {string} label
 * @property {'text'|'number'|'color'|'select'|'date'|'cell'} [type]
 *  - HTML <input> type 属性
 *  - `'cell'`: 可点击的
 * @property {{ label: string; value: unknown }[]} [options]
 * @property {unknown} [default]
 */
/**
 * @typedef {Pick<NormalFormItem, 'label'|'name'> & { type: 'group', items: FormItem[] }} GroupFormItem
 */
/**
 * @typedef {Omit<NormalFormItem, 'type'> & { type: 'page' } & Pick<Options, 'formItems'|'onItemClick'>} PageFormItem 单独的页面
 */
/**
 * @typedef {NormalFormItem|GroupFormItem|PageFormItem} FormItem
 */
/**
 * @typedef {object} CommonSettings
 * @property {boolean} useICloud
 * @property {string} [backgroundImage] 背景图路径
 * @property {string} [backgroundColorLight]
 * @property {string} [backgroundColorDark]
 */
/**
 * @typedef {CommonSettings & Record<string, unknown>} Settings
 */
/**
 * @typedef {object} Options
 * @property {(data: {
 *  settings: Settings;
 *  family?: typeof config.widgetFamily;
 * }) => ListWidget | Promise<ListWidget>} render
 * @property {string} [head] 顶部插入 HTML
 * @property {FormItem[]} [formItems]
 * @property {(item: FormItem) => void} [onItemClick]
 * @property {string} [homePage] 右上角分享菜单地址
 * @property {(data: any) => void} [onWebEvent]
 */
/**
 * @template T
 * @typedef {T extends infer O ? {[K in keyof O]: O[K]} : never} Expand
 */

const previewsHTML =
`<div class="actions">
  <button class="preview" data-size="small"><i class="iconfont icon-yingyongzhongxin"></i>${i18n(['Small', '预览小号'])}</button>
  <button class="preview" data-size="medium"><i class="iconfont icon-daliebiao"></i>${i18n(['Medium', '预览中号'])}</button>
  <button class="preview" data-size="large"><i class="iconfont icon-dantupailie"></i>${i18n(['Large', '预览大号'])}</button>
</div>`;

const copyrightHTML =
`<footer>
  <div class="copyright">© UI powered by <a href="javascript:invoke('safari','https://www.imarkr.com');">iMarkr</a>.</div>
</footer>`;

/**
 * @param {Expand<Options>} options
 * @param {boolean} [isFirstPage]
 * @param {object} [others]
 * @param {Settings} [others.settings]
 * @returns {Promise<ListWidget|undefined>} 仅在 Widget 中运行时返回 ListWidget
 */
const present = async (options, isFirstPage, others = {}) => {
  const {
    formItems = [],
    onItemClick,
    render,
    head,
    homePage = 'https://www.imarkr.com',
    onWebEvent
  } = options;
  const cache = useCache();

  const settings = others.settings || await readSettings() || {};

  /**
   * @param {Parameters<Options['render']>[0]} param
   */
  const getWidget = async (param) => {
    const widget = await render(param);
    const { backgroundImage, backgroundColorLight, backgroundColorDark } = settings;
    if (backgroundImage && fm.fileExists(backgroundImage)) {
      widget.backgroundImage = fm.readImage(backgroundImage);
    }
    if (!widget.backgroundColor || backgroundColorLight || backgroundColorDark) {
      widget.backgroundColor = Color.dynamic(
        new Color(backgroundColorLight || '#ffffff'),
        new Color(backgroundColorDark || '#242426')
      );
    }
    return widget
  };

  if (config.runsInWidget) {
    const widget = await getWidget({ settings });
    Script.setWidget(widget);
    return widget
  }

  // ====== web start =======
  const style =
`:root {
  --color-primary: #007aff;
  --divider-color: rgba(60,60,67,0.36);
  --card-background: #fff;
  --card-radius: 10px;
  --list-header-color: rgba(60,60,67,0.6);
}
* {
  -webkit-user-select: none;
  user-select: none;
}
body {
  margin: 10px 0;
  -webkit-font-smoothing: antialiased;
  font-family: "SF Pro Display","SF Pro Icons","Helvetica Neue","Helvetica","Arial",sans-serif;
  accent-color: var(--color-primary);
}
input {
  -webkit-user-select: auto;
  user-select: auto;
}
body {
  background: #f2f2f7;
}
button {
  font-size: 16px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 8px;
  border: none;
  padding: 0.24em 0.5em;
}
button .iconfont {
  margin-right: 6px;
}
.list {
  margin: 15px;
}
.list__header {
  margin: 0 20px;
  color: var(--list-header-color);
  font-size: 13px;
}
.list__body {
  margin-top: 10px;
  background: var(--card-background);
  border-radius: var(--card-radius);
  border-radius: 12px;
  overflow: hidden;
}
.form-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  min-height: 2em;
  padding: 0.5em 20px;
  position: relative;
}
.form-item--link .icon-arrow_right {
  color: #86868b;
}
.form-item + .form-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 0;
  border-top: 0.5px solid var(--divider-color);
}
.form-item .iconfont {
  margin-right: 4px;
}
.form-item input,
.form-item select {
  font-size: 14px;
  text-align: right;
}
.form-item input[type="checkbox"] {
  width: 1.25em;
  height: 1.25em;
}
input[type="number"] {
  width: 4em;
}
input[type="date"] {
  min-width: 6.4em;
}
input[type='checkbox'][role='switch'] {
  position: relative;
  display: inline-block;
  appearance: none;
  width: 40px;
  height: 24px;
  border-radius: 24px;
  background: #ccc;
  transition: 0.3s ease-in-out;
}
input[type='checkbox'][role='switch']::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  transition: 0.3s ease-in-out;
}
input[type='checkbox'][role='switch']:checked {
  background: var(--color-primary);
}
input[type='checkbox'][role='switch']:checked::before {
  transform: translateX(16px);
}
.actions {
  margin: 15px;
}
.copyright {
  margin: 15px;
  margin-inline: 18px;
  font-size: 12px;
  color: #86868b;
}
.copyright a {
  color: #515154;
  text-decoration: none;
}
.preview.loading {
  pointer-events: none;
}
.icon-loading {
  display: inline-block;
  animation: 1s linear infinite spin;
}
@keyframes spin {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(1turn);
  }
}
@media (prefers-color-scheme: dark) {
  :root {
    --divider-color: rgba(84,84,88,0.65);
    --card-background: #1c1c1e;
    --list-header-color: rgba(235,235,245,0.6);
  }
  body {
    background: #000;
    color: #fff;
  }
}
`;

  const js =
`(() => {
  const settings = ${JSON.stringify({
    ...settings,
    useICloud: isUseICloud()
  })}
  const formItems = ${JSON.stringify(formItems)}

  window.invoke = (code, data, cb) => {
    ScriptableBridge.invoke(code, data, cb)
  }

  const formData = {};

  const createFormItem = (item) => {
    const value = settings[item.name] ?? item.default ?? null
    formData[item.name] = value;
    const label = document.createElement("label");
    label.className = "form-item";
    const div = document.createElement("div");
    div.innerText = item.label;
    label.appendChild(div);
    if (item.type === 'select') {
      const select = document.createElement('select')
      select.className = 'form-item__input'
      select.name = item.name
      select.value = value
      for (const opt of (item.options || [])) {
        const option = document.createElement('option')
        option.value = opt.value
        option.innerText = opt.label
        option.selected = value === opt.value
        select.appendChild(option)
      }
      select.addEventListener('change', (e) => {
        formData[item.name] = e.target.value
        invoke('changeSettings', formData)
      })
      label.appendChild(select)
    } else if (
      item.type === 'cell' ||
      item.type === 'page'
    ) {
      label.classList.add('form-item--link')
      const icon = document.createElement('i')
      icon.className = 'iconfont icon-arrow_right'
      label.appendChild(icon)
      label.addEventListener('click', () => {
        const { name } = item
        switch (name) {
          case 'backgroundImage':
            invoke('chooseBgImg')
            break
          case 'clearBackgroundImage':
            invoke('clearBgImg')
            break
          case 'reset':
            reset()
            break
          default:
            invoke('itemClick', item)
        }
      })
    } else {
      const input = document.createElement("input")
      input.className = 'form-item__input'
      input.name = item.name
      input.type = item.type || "text";
      input.enterKeyHint = 'done'
      input.value = value
      // Switch
      if (item.type === 'switch') {
        input.type = 'checkbox'
        input.role = 'switch'
        input.checked = value
        if (item.name === 'useICloud') {
          input.addEventListener('change', (e) => {
            invoke('moveSettings', e.target.checked)
          })
        }
      }
      if (item.type === 'number') {
        input.inputMode = 'decimal'
      }
      if (input.type === 'text') {
        input.size = 12
      }
      input.addEventListener("change", (e) => {
        formData[item.name] =
          item.type === 'switch'
          ? e.target.checked
          : item.type === 'number'
          ? Number(e.target.value)
          : e.target.value;
        invoke('changeSettings', formData)
      });
      label.appendChild(input);
    }
    return label
  }

  const createList = (list, title) => {
    const fragment = document.createDocumentFragment()

    let elBody;
    for (const item of list) {
      if (item.type === 'group') {
        const grouped = createList(item.items, item.label)
        fragment.appendChild(grouped)
      } else {
        if (!elBody) {
          const groupDiv = fragment.appendChild(document.createElement('div'))
          groupDiv.className = 'list'
          if (title) {
            const elTitle = groupDiv.appendChild(document.createElement('div'))
            elTitle.className = 'list__header'
            elTitle.textContent = title
          }
          elBody = groupDiv.appendChild(document.createElement('div'))
          elBody.className = 'list__body'
        }
        const label = createFormItem(item)
        elBody.appendChild(label)
      }
    }
    return fragment
  }

  const fragment = createList(formItems)
  document.getElementById('settings').appendChild(fragment)

  for (const btn of document.querySelectorAll('.preview')) {
    btn.addEventListener('click', (e) => {
      const target = e.currentTarget
      target.classList.add('loading')
      const icon = e.currentTarget.querySelector('.iconfont')
      const className = icon.className
      icon.className = 'iconfont icon-loading'
      invoke(
        'preview',
        e.currentTarget.dataset.size,
        () => {
          target.classList.remove('loading')
          icon.className = className
        }
      )
    })
  }

  const setFieldValue = (name, value) => {
    const input = document.querySelector(\`.form-item__input[name="\${name}"]\`)
    if (!input) return
    if (input.type === 'checkbox') {
      input.checked = value
    } else {
      input.value = value
    }
  }

  const reset = (items = formItems) => {
    for (const item of items) {
      if (item.type === 'group') {
        reset(item.items)
      } else if (item.type === 'page') {
        continue;
      } else {
        setFieldValue(item.name, item.default)
      }
    }
    invoke('removeSettings', formData)
  }
})()`;

  const html =
`<html>
  <head>
    <meta name='viewport' content='width=device-width, user-scalable=no'>
    <link rel="stylesheet" href="//at.alicdn.com/t/c/font_3772663_kmo790s3yfq.css" type="text/css">
    <style>${style}</style>
  </head>
  <body>
  ${head || ''}
  <section id="settings"></section>
  ${isFirstPage ? (previewsHTML + copyrightHTML) : ''}
  <script>${js}</script>
  </body>
</html>`;

  const webView = new WebView();
  const methods = {
    async preview (data) {
      const widget = await getWidget({ settings, family: data });
      widget[`present${data.replace(data[0], data[0].toUpperCase())}`]();
    },
    safari (data) {
      Safari.openInApp(data, true);
    },
    changeSettings (data) {
      Object.assign(settings, data);
      writeSettings(settings, { useICloud: settings.useICloud });
    },
    moveSettings (data) {
      settings.useICloud = data;
      moveSettings(data, settings);
    },
    removeSettings (data) {
      Object.assign(settings, data);
      clearBgImg();
      removeSettings(settings);
    },
    chooseBgImg (data) {
      chooseBgImg();
    },
    clearBgImg () {
      clearBgImg();
    },
    async itemClick (data) {
      if (data.type === 'page') {
        // `data` 经传到 HTML 后丢失了不可序列化的数据，因为需要从源数据查找
        const item = (() => {
          const find = (items) => {
            for (const el of items) {
              if (el.name === data.name) return el

              if (el.type === 'group') {
                const r = find(el.items);
                if (r) return r
              }
            }
            return null
          };
          return find(formItems)
        })();
        await present(item, false, { settings });
      } else {
        await onItemClick?.(data, { settings });
      }
    },
    native (data) {
      onWebEvent?.(data);
    }
  };
  await loadHTML(
    webView,
    { html, baseURL: homePage },
    { methods }
  );

  const clearBgImg = () => {
    const { backgroundImage } = settings;
    delete settings.backgroundImage;
    if (backgroundImage && fm.fileExists(backgroundImage)) {
      fm.remove(backgroundImage);
    }
    writeSettings(settings, { useICloud: settings.useICloud });
    toast(i18n(['Cleared success!', '背景已清除']));
  };

  const chooseBgImg = async () => {
    try {
      const image = await Photos.fromLibrary();
      cache.writeImage('bg.png', image);
      const imgPath = fm.joinPath(cache.cacheDirectory, 'bg.png');
      settings.backgroundImage = imgPath;
      writeSettings(settings, { useICloud: settings.useICloud });
    } catch (e) {
      console.log('[info] 用户取消选择图片');
    }
  };

  webView.present();
  // ======= web end =========
};

/**
 * @param {Options} options
 */
const withSettings = async (options) => {
  const { formItems, onItemClick, ...restOptions } = options;
  return present({
    formItems: [
      {
        label: i18n(['Common', '通用']),
        type: 'group',
        items: [
          {
            label: i18n(['Sync with iCloud', 'iCloud 同步']),
            type: 'switch',
            name: 'useICloud',
            default: false
          },
          {
            label: i18n(['Background', '背景']),
            type: 'page',
            name: 'background',
            formItems: [
              {
                label: i18n(['Background', '背景']),
                type: 'group',
                items: [
                  {
                    name: 'backgroundColorLight',
                    type: 'color',
                    label: i18n(['Background color (light)', '背景色（白天）']),
                    default: '#ffffff'
                  },
                  {
                    name: 'backgroundColorDark',
                    type: 'color',
                    label: i18n(['Background color (dark)', '背景色（夜间）']),
                    default: '#242426'
                  },
                  {
                    label: i18n(['Background image', '背景图']),
                    type: 'cell',
                    name: 'backgroundImage'
                  }
                ]
              },
              {
                type: 'group',
                items: [
                  {
                    label: i18n(['Clear background image', '清除背景图']),
                    type: 'cell',
                    name: 'clearBackgroundImage'
                  }
                ]
              }
            ]
          },
          {
            label: i18n(['Reset', '重置']),
            type: 'cell',
            name: 'reset'
          }
        ]
      },
      {
        type: 'group',
        items: [
          {
            label: i18n(['Export settings', '导出配置']),
            type: 'cell',
            name: 'export'
          },
          {
            label: i18n(['Import settings', '导入配置']),
            type: 'cell',
            name: 'import'
          }
        ]
      },
      {
        label: i18n(['Settings', '设置']),
        type: 'group',
        items: formItems
      }
    ],
    onItemClick: (item, ...args) => {
      const { name } = item;
      if (name === 'export') {
        exportSettings();
      }
      if (name === 'import') {
        importSettings().catch((err) => {
          console.error(err);
          throw err
        });
      }
      onItemClick?.(item, ...args);
    },
    ...restOptions
  }, true)
};

const preference = {
  cate: '6809637767543259144',
  fontSize: 14,
  /** 行间距 */
  gap: 8,
  tagMax: 2
};
const paddingVertical = 10;

const getArticles = async () => {
  const { cate } = preference;
  const url = 'https://api.juejin.cn/recommend_api/v1/article/recommend_cate_feed';
  const req = new Request(url);
  req.method = 'POST';
  req.headers = {
    'Content-Type': 'application/json; encoding=utf-8'
  };
  req.body = JSON.stringify({
    id_type: 2,
    cate_id: cate,
    sort_type: 200,
    cursor: '0',
    limit: 20
  });
  const res = await req.loadJSON();
  return res
};

const createWidget = (data) => {
  const { fontSize, gap, tagMax } = preference;
  const screen = Device.screenResolution();
  const scale = Device.screenScale();
  const phone = phoneSize(screen.height);
  const { widgetFamily } = config;
  const height = (widgetFamily === 'medium' ? phone.small : phone[widgetFamily]) / scale;
  const limit = Math.floor((height - paddingVertical * 2 + gap) / (fontSize + gap));
  const { data: articles } = data;
  const widget = new ListWidget();
  const paddingY = paddingVertical - (gap / 2);
  widget.setPadding(paddingY, 12, paddingY, 4);
  for (const article of articles.slice(0, limit)) {
    const { article_info: info, tags } = article;
    const stackArticle = widget.addStack();
    stackArticle.url = `https://juejin.cn/post/${info.article_id}`;
    stackArticle.size = new Size(-1, fontSize + gap);
    stackArticle.centerAlignContent();
    const textTitle = stackArticle.addText(info.title);
    textTitle.font = Font.systemFont(fontSize);
    // Tags 最多显示2个标签
    stackArticle.addSpacer(6);
    const stackTags = stackArticle.addStack();
    stackTags.centerAlignContent();
    stackTags.spacing = 3;
    for (const tag of tags.slice(0, tagMax)) {
      addTag(stackTags, tag);
    }
    stackArticle.addSpacer();
  }
  return widget
};

const addTag = (widget, tag) => {
  const { fontSize } = preference;
  const stack = widget.addStack();
  stack.backgroundColor = new Color(tag.color);
  stack.centerAlignContent();
  stack.setPadding(0, 4, 0, 4);
  stack.size = new Size(-1, fontSize);
  stack.cornerRadius = 7;
  const textTag = stack.addText(tag.tag_name);
  textTag.centerAlignText();
  textTag.textColor = Color.white();
  textTag.font = Font.lightSystemFont(fontSize * 0.7);
};

await withSettings({
  formItems: [
    {
      label: i18n(['Category', '分类']),
      name: 'cate',
      type: 'select',
      options: [
        { label: i18n(['Frond-End', '前端']), value: '6809637767543259144' },
        { label: i18n(['Back-End', '后端']), value: '6809637769959178254' },
        { label: i18n(['Android', '安卓']), value: '6809635626879549454' },
        { label: 'iOS', value: '6809635626661445640' },
        { label: i18n(['AI', '人工智能']), value: '6809637773935378440' },
        { label: i18n(['Tools', '开发工具']), value: '6809637771511070734' },
        { label: i18n(['Coding', '代码人生']), value: '6809637776263217160' },
        { label: i18n(['Reading', '阅读']), value: '6809637772874219534' }
      ],
      default: preference.cate
    },
    {
      label: i18n(['Text size', '字体大小']),
      name: 'fontSize',
      type: 'number',
      default: preference.fontSize
    },
    {
      label: i18n(['Line Spacing', '行间距']),
      name: 'gap',
      type: 'number',
      default: preference.gap
    },
    {
      label: i18n(['Tag max count', '标签最大数量']),
      name: 'tagMax',
      type: 'number',
      default: preference.tagMax
    }
  ],
  render: async ({ family, settings }) => {
    family && (config.widgetFamily = family);
    Object.assign(preference, settings);
    const data = await getArticles();
    const widget = createWidget(data);
    return widget
  }
});