const http = require("http");
const PORT = process.env.PORT || 8080;
require("url")
const posts = require("./data/data");
const get = require("./methods/get");
const post = require("./methods/post");
const put = require("./methods/put");
const del = require("./methods/delete");
const getBody = require("./methods/getBody")
const server = http.createServer((request, response) => {
  request.posts = posts
  request.query = new URL(request.url, `http://${request.headers.host}`)

  switch (request.method) {
    case "GET":
      getBody(request, response, get);
      break;
    case "POST":
      getBody(request, response, post);
      break;
    case "PUT":
      getBody(request, response, put);
      break;
    case "DELETE":
      getBody(request, response, del);
      break;
    case "OPTIONS":
      response.setHeader('Access-Control-Allow-Origin', '*');
      response.setHeader('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
      response.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
      response.statusCode = 204;
      response.write("OK Response");
      response.end();
      break;
    default:     
      response.statusCode = 400;
      response.write("No Response");
      response.end();
  }
});
server.listen(PORT, (err) => {
  err ? console.error(err) : console.log(`listening on port ${PORT}`);
});