import os from 'os';
import QRCode from 'qrcode';
import getMAC from 'getmac';
import path from 'path';
import { promisify } from 'util';
import mkdirp from 'mkdirp';

/**
 * QR显示在终端
 */
export function QRTerminal(text: string): Promise<string> {
  return new Promise((resolve, reject) => {
    // const isWindows = os.platform() === 'win32'

    QRCode.toString(
      text,
      {
        type: 'terminal',
        version: 10,
        errorCorrectionLevel: 'L',
      },
      function (err, url) {
        if (err) {
          reject(err);
          return;
        }

        resolve(url);
      }
    );
  });
}

/**
 * base64格式的预览二维码图片
 */
export function QRToDataURL(text: string): Promise<string> {
  return new Promise((resolve, reject) => {
    QRCode.toDataURL(
      text,
      {
        errorCorrectionLevel: 'Q',
        // quality: 0.8,
      },
      function (err, url) {
        if (err) {
          reject(err);
          return;
        }

        resolve(url);
      }
    );
  });
}

/**
 * 生成本地图片
 */
export async function QRImage(filepath: string, text: string) {
  const pathRes = path.parse(filepath);

  if (!pathRes.ext) {
    throw new Error('保存路径必须指定文件格式，建议使用.png');
  }

  // 文件根目录，windows会报错，比如D:\
  if (pathRes.root !== pathRes.dir) {
    // 优先保证文件目录存在
    await mkdirp(pathRes.dir);
  }

  await new Promise<void>((resolve, reject) => {
    QRCode.toFile(
      filepath,
      text,
      {
        type: 'png',
      },
      function (err) {
        if (err) {
          reject(err);
          return;
        }

        resolve();
      }
    );
  });
}

export function getMACAdress() {
  try {
    return getMAC();
  } catch (e) {
    return '00:00:00:00:00:00';
  }
}

export function geClientInfo() {
  const VERSION = require('../../package.json').version;
  return {
    mac: getMACAdress(),
    terminalVersion: VERSION,
    terminalType: 'TINY_APP_IDE',
    os: process.platform === 'darwin' ? 'Mac' : 'Windows',
    osVersion: os.release(),
    osArch: process.arch,
  };
}

export function pause(time: number) {
  return new Promise((resolve) => {
    setTimeout(resolve, time);
  });
}

/**
 * 获取缓存存放目录
 * ${home}/.alipaydev
 * /Users/nuge.lw/.alipaydev
 */
export function cachedir(): string {
  const cachePath = path.join(os.homedir(), '.alipaydev');

  return cachePath;
}

/**
 * 获取临时文件夹
 */
export async function tmpdir(): Promise<string> {
  const tmpdir = path.join(os.tmpdir(), 'alipaydev');

  await mkdirp(tmpdir);

  return tmpdir;
}

export const sleep = promisify(setTimeout);

/**
 * 版本号比较
 * @param {string} v1 版本号
 * @param {string} operator  操作符，'>', '>=', '<=', '==', '!='
 * @param {string} v2 版本号
 * @return {boolean}
 * @example
 * util.compareVersion('1.3.2', '>', '1.2');
 * util.compareVersion('1.3.2', '>=', '1.2');
 * util.compareVersion('1.3.2', '==', '1.2');
 * util.compareVersion('1.3.2', '!=', '1.2');
 */
export function compareVersion(version1: string, operator: string, version2: string): boolean {
  // TS MODIFY
  const v1 = version1.split('.');
  const v2 = version2.split('.');
  const maxLen = Math.max(v1.length, v2.length);
  let cmp = 0;
  let item1: number, item2: number;

  for (let i = 0; i < maxLen && !cmp; i++) {
    item1 = parseInt(v1[i], 10) || 0;
    item2 = parseInt(v2[i], 10) || 0;

    if (item1 < item2) {
      cmp = 1;
    } else if (item1 > item2) {
      cmp = -1;
    }
  }

  switch (operator) {
    case '>':
      return cmp === -1;
    case '>=':
      return cmp === 0 || cmp == -1;
    case '<':
      return cmp === 1;
    case '<=':
      return cmp === 0 || cmp == 1;
    case '==':
      return cmp === 0;
    case '!=':
      return cmp !== 0;
  }
  return false;
}

export function getUploadKeyLink(): string {
  const host = process.env.OPENHOME_HOST || 'https://openhome.alipay.com';
  const link = host + '/dev/workspace/key-manage/tool';
  return link;
}

export function getMBSize(bytes: number) {
  return (bytes / 1024 / 1024).toFixed(2);
}