const http = require('http');
const url = require('url');
const fs = require('fs');

const config = JSON.parse(fs.readFileSync('config.json', 'utf-8'));

const pg = require('postgresupdater')(
  config.database.host,
  config.database.port,
  config.database.user,
  config.database.password,
  config.database.database
);

const server = http.createServer(async (req, res) => {
  await pg.waitForInit();
  const queryUrl = url.parse(req.url, true);

  let body;
  req.on('data', data => {
    body += data;
  });

  req.on('end', async () => {
    if (!body && !queryUrl.search) {
      fs.readFile('view.html', (err, file) => {
        res.writeHead(200, { 'content-type': 'text/html' });
        res.end(file);
      });
      return;
    } else if (queryUrl.search == '?json') {
      const data = await pg.query(
        `SELECT "Timestamp", "Type", "App", "Client", "Message", "Misc", "Stack" FROM "LogView"`
      );
      const rows = [];
      for (let row of data.rows) {
        rows.push(Object.values(row));
      }
      res.writeHead(200, { 'content-type': 'application/json' });
      res.end(JSON.stringify(rows));
      return;
    }

    try {
      body = JSON.parse(/(?:undefined)*(.*)/.exec(body)[1]);
      console.log(body.app, body.client, body.message, body.misc, body.stack);
      pg.query(
        `INSERT INTO "Log" ("App", "Type", "Client", "Message", "Misc", "Stack") Values($1, $2, $3, $4, $5, $6)`,
        [body.app, body.type, body.client, body.message, body.misc, body.stack]
      );
    } catch (e) {
      console.error(e);
      if (body) console.error(body);
    }

    res.writeHead(201);
    res.end();
  });
});

server.listen(config.port);
console.log('server listening on', config.port);