// OwlBoard - © Fred Boniface 2022
// Licensed under GPLv3 (or later)
// Please see the included LICENSE file

// Version Number:
var version = 0.1
console.log(`Starting OwlBoard version ${version}`)

// Load Modules:
const fs   = require('fs');
const ldb  = require('ldbs-json');
const http = require('http');
const url  = require('url');

// Get API Keys:
try {
    var keys = JSON.parse(fs.readFileSync('/srv/keys/owlboard/keys.json', 'utf8'));
    console.log('API Keys loaded from /srv/keys/ownboard/keys.json');
  } catch (err) {
    var keys = 'ERR';
    console.error('Unable to obtain API Keys from file');
    console.error(err);
  };

// Get Settings:
//let settings
try {
  var settings = JSON.parse(fs.readFileSync('./settings.json', 'utf8'));
  console.log("Settings loaded from .settings.json");
} catch (err) {
  console.warn('Unable to load settings, using defaults');
  console.log(err);
  var settings = {"webPort":8460,"listen":"localhost"};
};

// Create Web Service:
try {  
  http.createServer((req, res) => {
    const queryOpt = url.parse(req.url, true).query;
    const query = url.parse(req.url, true).pathname.replace(/[/]/g, '');

    switch (req.url){
      case "":
        res.writeHead(200, { 'Content-Type':'application/json' });
        res.end(JSON.stringify({"OwlBoardStatus":"ready","OwnBoardVersion":version}));
        break;
    }
    switch (req.url){
      case "/crs":
        res.writeHead(200, { 'Content-Type':'application/json'});
        res.end(crs);
        break;
    }


  }).listen(settings.webPort);

  console.log(`Web server started on http://${settings.listen}:${settings.webPort}`);

} catch (err) {
    console.error('Unable to start webserver');
    console.error(err);
};

// Check Athena API Key:

// Routes:
var crs = JSON.stringify({"resource":"crs_lookup"});