import Cookies from 'js-cookie';
import { getCurrentTime } from '@/api/system';
import { getTheCurrentUserName } from '@/api/config';

const UJCMS_LOCALE = 'ujcms-locale';
const UJCMS_SITE_ID = 'ujcms-site-id';

export const getCookieLocale = (): string | undefined => Cookies.get(UJCMS_LOCALE);
export const setCookieLocale = (local: string): void => {
  Cookies.set(UJCMS_LOCALE, local);
};
export const getSessionSiteId = (): number | null => {
  const siteId = sessionStorage.getItem(UJCMS_SITE_ID);
  if (siteId != null) {
    return Number(siteId);
  }
  return null;
};
export const setSessionSiteId = (siteId: number): void => {
  sessionStorage.setItem(UJCMS_SITE_ID, String(siteId));
};

export const getSiteHeaders = (): any => {
  const siteId = getSessionSiteId();
  return siteId != null ? { [UJCMS_SITE_ID]: siteId } : {};
};

export const pageSizes = [10, 20, 50, 100, 200, 400, 800];
export const pageLayout = 'total, sizes, prev, pager, next, jumper';

export const toParams = (params: Record<string, any>): any => {
  const obj = { ...params };
  Object.keys(obj).forEach((key) => {
    if (obj[key] instanceof Array) {
      const [first] = obj[key];
      if (first instanceof Date) {
        key.split(',').forEach((item, index) => {
          obj[item] = obj[key][index];
        });
        delete obj[key];
        return;
      }
      obj[key] = obj[key].join(',');
    }
  });
  return obj;
};

export const resetParams = (params: Record<string, any>): void => {
  Object.keys(params).forEach((key) => {
    // eslint-disable-next-line
    delete params[key];
  });
};

/**
 * 移动树形结构的列表，同一父节点下的子节点才能一起移动排序。
 */
export const moveTreeList = (selected: any[], data: any[], type: 'top' | 'up' | 'down' | 'bottom'): any[] => {
  const { parentId } = selected[0];
  const ids = selected
    .filter((item) => item.parentId === parentId)
    .sort((a, b) => a.order - b.order)
    .map((item) => item.id);
  const list = data.filter((item) => item.parentId === parentId).map((item) => item.id);
  const top = 0;
  const bottom = list.length;
  let up = list.indexOf(ids[0]);
  if (up <= top) {
    up = top + 1;
  }
  let down = list.indexOf(ids[ids.length - 1]);
  if (down >= bottom) {
    down = bottom - 1;
  }
  for (let i = 0, len = ids.length; i < len; i += 1) {
    const index = list.indexOf(ids[i]);
    const [deleted] = list.splice(index, 1);
    if (type === 'top') {
      list.splice(top + i, 0, deleted);
    } else if (type === 'bottom') {
      list.splice(bottom, 0, deleted);
    } else if (type === 'up') {
      list.splice(up - 1 + i, 0, deleted);
    } else if (type === 'down') {
      list.splice(down + 1, 0, deleted);
    }
  }
  return list;
};

/**
 * 移动普通列表
 */
export const moveList = (selected: any[], list: any[], type: 'top' | 'up' | 'down' | 'bottom'): any[] => {
  selected.sort((a, b) => a.order - b.order);
  const top = 0;
  const bottom = list.length;
  let up = list.indexOf(selected[0]);
  if (up <= top) up = top + 1;
  let down = list.indexOf(selected[selected.length - 1]);
  if (down >= bottom) down = bottom - 1;
  for (let i = 0, len = selected.length; i < len; i += 1) {
    const index = list.indexOf(selected[i]);
    const [deleted] = list.splice(index, 1);
    if (type === 'top') {
      list.splice(top + i, 0, deleted);
    } else if (type === 'bottom') {
      list.splice(bottom, 0, deleted);
    } else if (type === 'up') {
      list.splice(up - 1 + i, 0, deleted);
    } else if (type === 'down') {
      list.splice(down + 1, 0, deleted);
    }
  }
  return list;
};

/**
 *  返回添加记录所需lcJudgmentRuleReq
 */
export const handleId = (
  answerId: number | string,
  emptyOne: number | string,
  emptyTwo: number | string,
  operationIds: number | string,
  type: number | string,
): Record<string, any> => {
  return {
    answerId,
    emptyOne,
    emptyTwo,
    operationIds,
    type,
  };
};

/**
 *  阿拉伯数字转化为中文数字
 */
export const numToChinese = (num: number): string => {
  const arr1 = ['零', '一', '二', '三', '四', '五', '六', '七', '八', '九'];
  const arr2 = ['', '十', '百', '千', '万', '亿', '点', ''];
  const a = `${num}`.replace(/(^0*)/g, '').split('.');
  let k = 0;
  let re = '';
  for (let i = a[0].length - 1; i >= 0; i--) {
    switch (k) {
      case 0:
        re = arr2[7] + re;
        break;
      case 4:
        if (!new RegExp(`0{4}//d{${a[0].length - i - 1}}$`).test(a[0])) re = arr2[4] + re;
        break;
      case 8:
        re = arr2[5] + re;
        arr2[7] = arr2[5];
        k = 0;
        break;
      default:
    }
    if (k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0) re = arr1[0] + re;
    if (a[0].charAt(i) != 0) re = arr1[a[0].charAt(i)] + arr2[k % 4] + re;
    k++;
  }
  return num > 9 && num < 20 ? re.slice(1) : re;
};

/**
 *  传入文件名和数据，下载文件
 */
export const downloadFileDirect = (fileName: string, data: any) => {
  if ('download' in document.createElement('a')) {
    const elink = document.createElement('a');
    elink.download = fileName;
    elink.style.display = 'none';
    elink.href = URL.createObjectURL(data);
    document.body.appendChild(elink);
    elink.click();
    URL.revokeObjectURL(elink.href); // 释放URL 对象
    document.body.removeChild(elink);
  }
};

/**
 *  匹配数字
 */
export const getNum = (str: string): string => {
  if (str) {
    const result = str.match(/\d+/g);
    return result ? result[0] : '';
  }
  return '';
};

/**
 *  匹配运算字符
 */
export const getSymbol = (str: string): string => {
  if (str) {
    const result = str.match(/[<>=]+/g);
    return result ? result[0] : '';
  }
  return '';
};

/**
 *  匹配中文
 */
export const getChinese = (str: string): string => {
  if (str) {
    const result = str.match(/[\u4e00-\u9fa5]+/g);
    return result ? result[0] : '';
  }
  return '';
};

/**
 *  判断传入字符是否是负整数
 */
export const isIllegalNum = (str: string | number): boolean => {
  if (str) {
    return isNaN(str) || str < 0;
  }
  return true;
};

/**
 *  传入文件名获取文件后缀
 */
export const getFileExt = (fileName: string): string => {
  return fileName.substring(fileName.lastIndexOf('.') + 1);
};

/**
 *  返回projectId、checkpointId、assessmentId、competitionId
 */
export const getIds = (): Record<string, any> => {
  return {
    cid: +Cookies.get('sand-cid'),
    checkpointId: +Cookies.get('sand-level') || '',
    projectId: +Cookies.get('sand-projectId') || '',
    assessmentId: +Cookies.get('sand-assessmentId') || '',
    competitionId: +Cookies.get('sand-competitionId') || '',
  };
};

/**
 *  获取当前时间
 */
export const getNow = (): Promise<any> => {
  return new Promise(async (resolve) => {
    const res = await getCurrentTime();
    resolve(new Date(res.currentTime));
  });
};

/**
 *  获取当前用户名
 */
export const getUsername = async (): string => {
  const res = await getTheCurrentUserName();
  return res.userName;
};

export const whethers = [
  {
    id: 795,
    name: '启用',
  },
  {
    id: 796,
    name: '不启用',
  },
];

export const opt1 = [
  {
    id: 345,
    name: '是',
  },
  {
    id: 346,
    name: '否',
  },
];