#!/usr/bin/php
<?php

/*
 * Tezza (@Kaweechelchen | tezza@syn2cat.lu)
 * https://github.com/J7mbo/twitter-api-php
 * */

// Set the correct timezone
date_default_timezone_set( 'Europe/Luxembourg' );

// Set a statusTag you want to append to all the messages
$statusTag = '#statusUpdate';

// Set the messages to tweet when the status of the hackspace changes
// %s is going to be replaced by the current time to avoid duplicate tweets on Twitter
$messageOpen    = "It's %s and we are open \o/ \ncome in and create something awesome =) \nhttps://Level2.lu/openingTimes";
$messageClosed  = "We just closed our doors at %s \n%sSee you very soon... \nhttps://Level2.lu/openingTimes";

require_once('TwitterAPIExchange.php');

/** Set access tokens here - see: https://dev.twitter.com/apps/ **/
/*
  $settings = array(
    'oauth_access_token'        => 'xxxx',
    'oauth_access_token_secret' => 'yyyy',
    'consumer_key'              => 'xxxxx',
    'consumer_secret'           => 'yyyyy'
   );
*/
require_once('twittertokens.php');   /* put the tokens inside separate file which is in .gitignore */

/** URL for REST request, see: https://dev.twitter.com/docs/api/1.1/ **/
$url = 'https://api.twitter.com/1.1/statuses/update.json';
$requestMethod = 'POST';

// Get the current and previous status from the parameters handed over to the script
$currentStatus  = $argv[1];
$previousStatus = $argv[2];

// Chack if the status has changed
if ( $currentStatus != $previousStatus ) {

  // based on the new status, define the message to tweet
  switch ( $currentStatus ) {

    case 'open':
      $status = sprintf( $messageOpen, date( 'H:i' ) );
      break;

    case 'closed':
      $peopleMax="";
      if($peopleMax=file_get_contents("/var/cache/peoplecountermax")) {
        $peopleMax=str_replace("\n", '', $peopleMax);
        file_put_contents("/var/cache/peoplecountermax","0");
        if($peopleMax>8) {    // only write this info if the place has been quite busy
          $peopleMax="There were up to $peopleMax hackers today.\n";
        } else {
          $peopleMax="";
        }
      } else {
        $peopleMax="";
      }
      $status = sprintf( $messageClosed, date( 'H:i' ), $peopleMax );
      break;

  }

  // POST fields required by the URL above. See relevant docs as above
  $postfields = array(
    'status' => $status
  );

  // Perform a POST request and echo the response
  $twitter = new TwitterAPIExchange($settings);

  // build the tweet and send it out
  $twitter
    ->buildOauth($url, $requestMethod)
    ->setPostfields($postfields)
    ->performRequest();
}