#!/usr/bin/env node

var path = require('path');
var request    = require('request');

function usage(me, exitcode) {
  console.log("Usage: " + me + " [--env <environment>] <username> <tablename>");
  process.exit(exitcode);
}

var node_path = process.argv.shift(); 
var script_path = process.argv.shift(); 
var basedir = path.dirname(script_path);
var me = path.basename(script_path);

var ENV = 'development.js';
var username, table;
var arg;
while ( arg = process.argv.shift() ) {
  if ( arg == '--env' ) {
    ENV = process.argv.shift();
  }
  else if ( ! username ) {
    username = arg;
  }
  else if ( ! table ) {
    table = arg;
  }
  else {
    console.warn("Unused parameter " + arg);
  }
}

if ( ! table ) {
  usage(me, 1);
}

global.environment = require('../config/environments/' + ENV);

// _after_ setting global.environment
var serverOptions = require('../lib/cartodb/server_options');

var host = global.environment.host;
var port = global.environment.port;
var re = ''+serverOptions.re_userFromHost;
var hostname = re.replace(/^\/\^/, '')
                 .replace(/\/$$/, '')
                 .replace(/\\/g,'')
                 .replace(/\([^)]*\)/,username)
              ;
//console.log("re: " + re);
//console.log("hostname: " + hostname);

var url = 'http://' + host + ':' + port + '/tiles/' + table + '/flush_cache';
request.del({ url: url, headers: { host: hostname } },
function(err, res, body) {
  if ( err ) throw err;
  console.log(res.body);
});