<?php
/* make sure that we are not called from outside the scripts, 
 * use a variable defined in config.php to check this
 */
if(!isset($HOST))
  exit;

if(!myisset("me"))
  {
    echo "Hmm, you really shouldn't mess with the urls.<br />\n";
    return;
  }

$me = $_REQUEST["me"];

/* test for valid ID */
$myid = DB_get_userid('hash',$me);
if(!$myid)
  {
    echo "Can't find you in the database, please check the url.<br />\n";
    echo "perhaps the game has been canceled, check by login in <a href=\"$INDEX\">here</a>.";
    return;
  }

DB_update_user_timestamp($myid);

/* get some information from the DB */
$gameid   = DB_get_gameid_by_hash($me);
$myname   = DB_get_name('hash',$me);

/* check if player hasn't done anything in a while */
$r = DB_query_array("SELECT mod_date,player,status from Game WHERE id='$gameid' " );
if( (time()-strtotime($r[0]) > 60*60*24*7)  && ($r[2]!='gameover') ) /* = 1 week */
  {
    $name = DB_get_name('userid',$r[1]);
    $userhash = DB_get_hash_from_gameid_and_userid($gameid,$r[1]);

    $message = "Hello $name, \n\n".
      "It's your turn in game ".DB_format_gameid($gameid)." \n".
      "Actually everyone else is waiting for you for more than a week now ;)\n\n".
      "Please visit this link now to continue: \n".
      " ".$HOST.$INDEX."?action=game&me=".$userhash."\n\n" ;

    /* make sure we don't send too  many reminders to one person */
    if(DB_get_reminder($r[1],$gameid)>0)
      {
	echo "<p>An email has already been sent out.</p>\n";
      }
    else
      {
	DB_set_reminder($r[1],$gameid);
	$subject ='Reminder: game '.DB_format_gameid($gameid)." it's your turn";
	mymail($r[1],$subject,$message);

	echo "<p style=\"background-color:red\";>Game ".DB_format_gameid($gameid).
	  ": an email has been sent out.<br /><br /></p>";
      }
  }
 else
   echo '<p>You need to wait longer before you can send out a reminder...</p>\n';
?>