// lan
'use strict';

const Controller = require('egg').Controller;
const filePath = require('../../config/filespath');
const shells = require('../../config/shells');
class LanController extends Controller {
  // 修改lan信息
  async lanupdate() {
    const lanpath = filePath.lan;
    const configJson = require(filePath.configJson);
    const { address, start, end, type } = this.ctx.request.body;
    const form = { address, start, end, type };
    form.addressTow = form.address.substring(0, form.address.lastIndexOf('.'));
    // 数据文件赋值
    configJson.lan = form;
    // 数据文件对象变字符串
    const jsonstr = JSON.stringify(configJson);
    try {
      // 写入数据文件
      await this.service.fileshandler.write({ filePath: filePath.configJson, str: jsonstr });
      // 写入字符串模板
      const lanstr = await this.ctx.renderView('lan.nj', form);
      // 写入lan文件
      await this.service.fileshandler.write({ filePath: lanpath, str: lanstr });
      // dhcp部分
      if (type === '0') {
        // 写入dhcp字符串模板
        const dhcpstr = await this.ctx.renderView('dhcp.nj', form);
        const dhcpres = await this.service.fileshandler.write({ filePath: filePath.dhcpd, str: dhcpstr });
        // 启动dhcp
        if (dhcpres.errcode === 0) {
          await this.service.shell.shell(shells.dhcpRestart);
        }
      } else {
        // 停止dhcp服务
        await this.service.shell.shell(shells.dhcpStop);
      }
      this.ctx.body = { errcode: 0, errmsg: '' };
    } catch (error) {
      const body = { errcode: -1004, errmsg: '设置失败', error };
      throw new Error(JSON.stringify(body));
    }
  }
  // 查询lan信息
  async lanquery() {
    const { ctx } = this;
    const configJson = require(filePath.configJson);
    const data = configJson.lan;
    ctx.body = { errcode: 0, errmsg: '', data };
  }
}

module.exports = LanController;