// 签名证书证书
'use strict';

const Controller = require('egg').Controller;
const UUID = require('uuid');
const filePath = require('../../config/filespath');
class SigcertController extends Controller {
  // 添加申请书
  async sigcertreq() {
    const { ctx } = this;
    const uuid = UUID.v1();
    const { dn, pwatype, name } = ctx.request.body;
    const state = 0;
    try {
    // 创建key
      const reskey = await this.service.shell.applykey({ ...ctx.request.body, filePath: `${filePath.keys}${uuid}.key` });
      if (reskey.errcode === 0) {
      // 创建req
        const resreq = await this.service.shell.applyreq({ ...ctx.request.body, keyPath: `${filePath.keys}${uuid}.key`, filePath: `${filePath.req}${uuid}.pem` });
        if (resreq.errcode === 0) {
          const form = { state, dn, pwatype, name, uuid };
          const person = require(filePath.configJson);
          person.cert.push(form);
          const jsonstr = JSON.stringify(person);
          // 添加到数据文件
          await this.service.fileshandler.write({ filePath: filePath.configJson, str: jsonstr });
          this.ctx.body = { errcode: 0, errmsg: '' };
        }
      }
    } catch (error) {
      const body = { errcode: -1002, errmsg: '创建申请书失败', error };
      throw new Error(JSON.stringify(body));
    }
  }
  // 签名证书查询
  async sigcacertquery() {
    const { ctx } = this;
    const person = require(filePath.configJson);
    const data = person.cert;
    const total = data.length || 0;
    ctx.body = { errcode: 0, errmsg: '', data, total };
  }
  // 删除签名证书
  async sigcertdelete() {
    const uuid = this.ctx.query.uuid;
    const configJson = require(filePath.configJson);
    // 过滤掉当前uuid数据
    const data = configJson.cert.filter(p => p.uuid !== uuid);
    const isdata = configJson.cert.filter(p => p.uuid === uuid);
    configJson.cert = data;
    const jsonstr = JSON.stringify(configJson);
    try {
      // 存储到数据文件
      await this.service.fileshandler.write({ filePath: filePath.configJson, str: jsonstr });
      const files = [];
      if (isdata[0].state === 1) {
        files.push({ path: `${filePath.cert}${uuid}.cer` }, { path: `${filePath.cert}${uuid}.key` });
      } else {
        files.push({ path: `${filePath.req}${uuid}.pem` });
      }
      // 删除证书文件
      const res = await Promise.all(files.filter(async p => {
        await this.service.fileshandler.filesDel(p.path);
      }));
      if (res.length > 0) {
        this.ctx.body = { errcode: 0, errmsg: '' };
      } else {
        this.ctx.body = { errcode: -1, errmsg: '证书删除失败' };
      }
    } catch (error) {
      const body = { errcode: -1002, errmsg: '证书删除失败', error };
      throw new Error(JSON.stringify(body));
    }
  }
  // 签名证书上传
  async sigcacertupload() {
    const { ctx } = this;
    const person = require(filePath.configJson);
    const stream = await this.ctx.getFileStream();
    const uuid = stream.fields.uuid;
    // 路径 + 文件名
    const name = `${filePath.cert}${uuid}.cer`;
    try {
      const res = await this.service.fileshandler.upload({ stream, name });
      if (res.errcode === 0) {
        person.cert.map(p => {
          if (p.uuid === uuid) {
            p.state = 1;
          }
          return p;
        });
        const jsonstr = JSON.stringify(person);
        await this.service.fileshandler.write({ filePath: filePath.configJson, str: jsonstr });
        ctx.body = { errcode: 0, errmsg: '' };
      }
    } catch (error) {
      const body = { errcode: -1002, errmsg: '证书上传失败', error };
      throw new Error(JSON.stringify(body));
    }
  }
  // 申请书下载
  async reqdownload() {
    try {
      const uuid = this.ctx.query.uuid;
      const reqfilePath = `${filePath.req}${uuid}.pem`;
      const res = await this.service.fileshandler.download({ filePath: reqfilePath });
      this.ctx.body = res;
    } catch (error) {
      const body = { errcode: -1002, errmsg: '申请书下载失败', error };
      throw new Error(JSON.stringify(body));
    }
  }
  // 签名证书下载
  async sigcertdownload() {
    try {
      const uuid = this.ctx.query.uuid;
      const sigfilePath = `${filePath.cert}${uuid}.cer`;
      const res = await this.service.fileshandler.download({ filePath: sigfilePath });
      this.ctx.body = res;
    } catch (error) {
      const body = { errcode: -1002, errmsg: '证书下载失败', error };
      throw new Error(JSON.stringify(body));
    }
  }
}

module.exports = SigcertController;