#!/usr/bin/env node

// Command line tool for CartoDB SQL API
//
// https://github.com/Vizzuality/CartoDB-SQL-API

var http = require('http')

var me = process.argv[1];

function usage(exit_code) {
  console.log("Usage: " + me + " [OPTIONS] <query>");
  console.log("Options:");
  console.log(" -v                      verbose operations (off)");
  console.log(" --help                  print this help");
  console.log(" --user <string>         cartodb username (none)");
  console.log(" --domain <string>       service domain (localhost)");
  console.log(" --port <num>            service tcp port number (8080)");
  console.log(" --api-version <num>     API version (1)");
  console.log(" --key <string>          API authentication key (none)");
  process.exit(exit_code);
}

process.argv.shift(); // this will be "node" (argv[0])
process.argv.shift(); // this will be "benchmark.js" (argv[1])

var username;
var domain = 'localhost';
var port = 8080;
var api_version = 1;
var api_key;
var sql;

var arg;
while ( arg = process.argv.shift() ) {
  if ( arg == '-v' ) {
    ++verbose;
  }
  else if ( arg == '--help' ) {
    usage(0);
  }
  else if ( arg == '--key' ) {
    api_key = process.argv.shift();
  }
  else if ( arg == '--domain' ) {
    domain = process.argv.shift();
  }
  else if ( arg == '--user' ) {
    username = process.argv.shift();
  }
  else if ( arg == '--port' ) {
    port = process.argv.shift();
  }
  else if ( arg == '--api-version' ) {
    api_version = process.argv.shift();
  }
  else if ( ! sql ) {
    sql = arg;
  }
  else {
    usage(1);
  }
}

if ( ! sql ) usage(1);

var hostname = username + '.' + domain;

// -- Perform the request

var opt = {
  host: hostname,
  port: port,
  path: '/api/v' + api_version + '/sql?q=' + encodeURIComponent(sql)
};

console.log("Requests:", 'http://' + opt.host + ':' + opt.port + opt.path);

var body = '';

http.get(opt, function(res) {
  console.log("Response status: " + res.statusCode);
  res.on('data', function(chunk) {
    body += chunk;
    //console.log("data: "); console.dir(json);
  });

  res.on('end', function() {
    console.log('Body:');
    var json = JSON.parse(body);
    console.dir(json);
  });
}).on('error', function(e) {
  console.log("ERROR: " + e.message);
});