// 背景執行 forever start -w -a -l api.log app.js
// 監聽檔案變化 nodemon app.js
// npm start
// npm run dev
// Debug nodemon --inspect=192.168.168.15:9229 app.js

const dateFormat = require('dateformat');
require('dotenv').config()
const http = require('http');
const https = require('https');
const fs = require('fs');
const express = require('express');
const app = express();

//讀取憑證及金鑰
const prikey = fs.readFileSync('privkey.pem', 'utf8');
const cert = fs.readFileSync('cert.pem', 'utf8');
const cafile = fs.readFileSync('chain.pem', 'utf-8');

//建立憑證及金鑰
const credentials = {
  key: prikey,
  cert: cert,
  ca: cafile
};

const CPBLClass = require('./CPBLClass');
const { decode } = require('querystring');
const CPBL = new CPBLClass();

const port = process.env.PORT || 3000;

const server = https.createServer(credentials, async function (req, res) {
  // const server = http.createServer(async function (req, res) {
  // console.log(`rawBody: ${req.rawBody}`);
  // res.writeHead(200);
  if (req.method === 'POST') {
    // console.log(`body: ${JSON.stringify(req.body)}`);
    let Request = req.url.replace("/", "");
    let Response = "";
    let data = '';
    req.on('data', chunk => {
      data += chunk;
    });
    req.on('end', async () => {
      switch (req.headers["content-type"]) {
        case "application/x-www-form-urlencoded": {
          data = decode(data);
          // data = []
          // let strs = str.split("&");
          // for (let i = 0; i < strs.length; i++) {
          //   data[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);
          // }
          break;
        }

        case "application/json": {
          data = JSON.parse(data);
          break;
        }

        default:
          break;
      }
      switch (Request) {
        case "CPBL":
          Response = await CPBL.GetCPBL(data);
          break;

        case "CPBLList":
          Response = await CPBL.GetCPBLList(data);
          break;

        default:
          break;
      }
      res.writeHead(200);
      res.write(Response);
      return res.end();
    });
    // } else if (req.method === 'GET' && req.url === path) {
    //   let Response = await CPBL.GetCPBL();
    //   res.writeHead(200);
    //   res.write(Response);
    //   return res.end();
  } else {
    res.statusCode = 404;
    res.setHeader('Content-Type', 'text/html; charset=utf-8');
    return res.end('Not found');
  }
});
server.listen(port, function () {
  let datetime = dateFormat(new Date(), "yyyy-mm-dd HH:MM:ss");
  console.log(`${datetime} listening on ${port}`);
  console.log(`${datetime} [api已準備就緒]`);
});