BUGFIX: Karlchen and fox weren't accounted for in solos
[e-DoKo.git] / index.php
index 58dd1839cb9680f0beb144b30635069bd67e14d4..f212cf307096cd44c0c8d306de85c00ad5268958 100644 (file)
--- a/index.php
+++ b/index.php
-<!DOCTYPE html PUBLIC
-    "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN"
-    "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
-  <head>
-     <title>e-Doko</title>
-     <meta content="text/html; charset=ISO-8859-1" http-equiv="content-type" />
-     <link rel="stylesheet" type="text/css" href="standard.css" />     
-     <script type="text/javascript">
-       function hl(num) {
-         if(document.getElementById){
-          var i;
-          for(i=1;i<13;i++){
-            if(document.getElementById("trick"+i))
-              document.getElementById("trick"+i).style.display = 'none';
-          }
-          document.getElementById("trick"+num).style.display = 'block';
-        }
-       }
-       function high_last(){
-        if(document.getElementById){
-          var i;
-          for(i=12;i>0;i--) {
-            if(document.getElementById("trick"+i))
-              {
-                hl(i);
-                break;
-              }
-          }
-        }
-       }
-     </script>
-  </head>
-<body onload="high_last();">
-<div class="header">
-<h1> Welcome to E-Doko </h1>
-</div>
-
 <?php
-     
-include_once("functions.php");
-include_once("db.php");
+error_reporting(E_ALL);
+
+include_once("config.php");
+include_once("output.php");      /* html output only */
+include_once("db.php");          /* database only */
+include_once("functions.php");   /* the rest */
 
-DB_open();
+/* make sure that user has set all variables in config.php */
+config_check();
 
-/* end header */
+/* open database */
+if(DB_open()<0)
+  {
+    output_header();
+    echo "Database error, can't connect... Please wait a while and try again. ".
+      "If the problem doesn't go away feel free to contact $ADMIN_NAME at $ADMIN_EMAIL.";
+    output_footer();
+    exit();
+  }
+
+/* start a session, if it is not already running.
+ * This way people don't have to log in all the times. 
+ * The session variables can also be read out from different
+ * php scripts, so that the code can be easily split up across several files
+ */
+session_start();
 
-/*****************  M A I N **************************/
+/* done major error checking, output header of HTML page */
+output_header();
 
+/* does the user want to log out? */
+if(myisset("logout"))
+  {
+    session_unset();
+    session_destroy();
+    $_SESSION = array();
+    echo "<div class=\"message\"><span class=\"bigger\">You are now logged out!</span><br />\n".
+      "(<a href=\"$INDEX\">This will take you back to the home-page</a>)</div>";
+  }
 /* check if we want to start a new game */
-if(isset($_REQUEST["new"]))
+else if(myisset("new"))
   {
-?>
-    <p> no game in progress, please input 4 names and email addresses, please make sure that the addresses are correct! </p>
- <form action="index.php" method="post">
-   Name:  <input name="PlayerA" type="text" size="10" maxlength="20" /> 
-   Name:  <input name="PlayerB" type="text" size="10" maxlength="20" /> 
-   Name:  <input name="PlayerC" type="text" size="10" maxlength="20" /> 
-   Name:  <input name="PlayerD" type="text" size="10" maxlength="20" /> 
-
-   <input type="submit" value="start game" />
- </form>
-<?php
-  } 
-/* end start a new game */
-
+    output_status();
+    /* user need to be logged in to do this */
+    if( isset($_SESSION["name"]) )
+      {
+       $names = DB_get_all_names();
+       echo "<div class=\"user\">\n";
+       output_form_for_new_game($names);
+       echo "</div>\n";
+       display_user_menu();
+      }
+    else
+      {
+       echo "<div class=\"message\">Please <a href=\"$INDEX\">log in</a>.</div>";
+      }
+  }
 /*check if everything is ready to set up a new game */
-else if( isset($_REQUEST["PlayerA"]) && 
-    isset($_REQUEST["PlayerB"]) && 
-    isset($_REQUEST["PlayerC"]) && 
-    isset($_REQUEST["PlayerD"]) )
+else if( myisset("PlayerA", "PlayerB","PlayerC","PlayerD","dullen","schweinchen","call" ))
   {
-    $PlayerA = $_REQUEST["PlayerA"];
-    $PlayerB = $_REQUEST["PlayerB"];
-    $PlayerC = $_REQUEST["PlayerC"];
-    $PlayerD = $_REQUEST["PlayerD"];
-    
-    $EmailA  = DB_get_email_by_name($PlayerA);
-    $EmailB  = DB_get_email_by_name($PlayerB);
-    $EmailC  = DB_get_email_by_name($PlayerC);
-    $EmailD  = DB_get_email_by_name($PlayerD);
-    
-    if($EmailA=="" || $EmailB=="" || $EmailC=="" || $EmailD=="")
+    output_status();
+    /* user needs to be logged in */
+    if( !isset($_SESSION["name"]) )
       {
-       echo "couldn't find one of the names, please start a new game";
-       exit();
+       echo "<div class=\"message\">Please <a href=\"$INDEX\">log in</a>.</div>";
       }
-    
-    $useridA  = DB_get_userid_by_name($PlayerA);
-    $useridB  = DB_get_userid_by_name($PlayerB);
-    $useridC  = DB_get_userid_by_name($PlayerC);
-    $useridD  = DB_get_userid_by_name($PlayerD);
-    
-    /* create random numbers */
-    $randomNR       = create_array_of_random_numbers();
-    $randomNRstring = join(":",$randomNR);
-    
-    /* create game */
-    mysql_query("INSERT INTO Game VALUES (NULL, NULL, '$randomNRstring', NULL, NULL,'pre', NULL)");
-    $game_id = mysql_insert_id();
-    
-    
-    $hashA = md5("AGameOfDoko".$game_id.$PlayerA.$EmailA);
-    $hashB = md5("AGameOfDoko".$game_id.$PlayerB.$EmailB);
-    $hashC = md5("AGameOfDoko".$game_id.$PlayerC.$EmailC);
-    $hashD = md5("AGameOfDoko".$game_id.$PlayerD.$EmailD);
-    
-    /* create hands */
-    mysql_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($game_id).",".DB_quote_smart($useridA).
-               ", ".DB_quote_smart($hashA).", 'start','1',NULL,NULL,NULL,'false','false',NULL)");
-    $hand_idA = mysql_insert_id();                                                            
-    mysql_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($game_id).",".DB_quote_smart($useridB).
-               ", ".DB_quote_smart($hashB).", 'start','2',NULL,NULL,NULL,'false','false',NULL)");
-    $hand_idB = mysql_insert_id();                                                            
-    mysql_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($game_id).",".DB_quote_smart($useridC).
-               ", ".DB_quote_smart($hashC).", 'start','3',NULL,NULL,NULL,'false','false',NULL)");
-    $hand_idC = mysql_insert_id();                                                            
-    mysql_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($game_id).",".DB_quote_smart($useridD).
-               ", ".DB_quote_smart($hashD).", 'start','4',NULL,NULL,NULL,'false','false',NULL)");
-    $hand_idD = mysql_insert_id();
-    
-    /* save cards */
-    for($i=0;$i<12;$i++)
-      mysql_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idA', '".$randomNR[$i]."', 'false')");
-    for($i=12;$i<24;$i++)
-      mysql_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idB', '".$randomNR[$i]."', 'false')");
-    for($i=24;$i<36;$i++)
-      mysql_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idC', '".$randomNR[$i]."', 'false')");
-    for($i=36;$i<48;$i++)
-      mysql_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idD', '".$randomNR[$i]."', 'false')");
-
-    /* send out email, check for error with email */
-    $message = "\n".
-      "you are invited to play a game of DoKo (that is to debug the program ;).\n".
-      "Place comments and bug reports here:\n".
-      "http://wiki.nubati.net/index.php?title=EmailDoko\n\n".
-      "The whole round would consist of the following players:\n".
-      "$PlayerA\n".
-      "$PlayerB\n".
-      "$PlayerC\n".
-      "$PlayerD\n\n".
-      "If you want to join this game, please follow this link:\n\n".
-      " ".$host."?me=";
-    
-    mymail($EmailA,"You are invited to a game of DoKo","Hello $PlayerA,\n".$message.$hashA);
-    mymail($EmailB,"You are invited to a game of DoKo","Hello $PlayerB,\n".$message.$hashB);
-    mymail($EmailC,"You are invited to a game of DoKo","Hello $PlayerC,\n".$message.$hashC);
-    mymail($EmailD,"You are invited to a game of DoKo","Hello $PlayerD,\n".$message.$hashD);
-    
-    /*
+    else
+      {
+       /* get my name */
+       $name = $_SESSION["name"];
 
-   do things like:
-     select fullname,strength,suite,game_id from hand_card left join hand on hand_id=hand.id left join user on user.id=user_id left join card on card_id=card.id where game_id='4'
+       /* the names of the four players */
+       $PlayerA = $_REQUEST["PlayerA"];
+       $PlayerB = $_REQUEST["PlayerB"];
+       $PlayerC = $_REQUEST["PlayerC"];
+       $PlayerD = $_REQUEST["PlayerD"];
 
-    */
-    
-  }    
-/* end set up a new game */
+       /* the person who sets up the game has to be one of the players */
+       if(!in_array($name,array($PlayerA,$PlayerB,$PlayerC,$PlayerD)))
+         {
+           echo "<div class=\"message\">You need to be one of the players to start a <a href=\"$INDEX?new\">new game</a>.</div>";
+           output_footer();
+           DB_close();
+           exit();
+         }
+       
+       /* what rules were selected */
+       $dullen      = $_REQUEST["dullen"];
+       $schweinchen = $_REQUEST["schweinchen"];
+       $call        = $_REQUEST["call"];
+
+       /* get the emails addresses of the players */
+       $EmailA  = DB_get_email_by_name($PlayerA);
+       $EmailB  = DB_get_email_by_name($PlayerB);
+       $EmailC  = DB_get_email_by_name($PlayerC);
+       $EmailD  = DB_get_email_by_name($PlayerD);
+
+       /* this is used to check if the player names are all ok */
+       if($EmailA=="" || $EmailB=="" || $EmailC=="" || $EmailD=="")
+         {
+           echo "couldn't find one of the names, please start a new game";
+           output_footer();
+           DB_close();
+           exit();
+         }
+
+       /* get user ids */
+       $useridA  = DB_get_userid_by_name($PlayerA);
+       $useridB  = DB_get_userid_by_name($PlayerB);
+       $useridC  = DB_get_userid_by_name($PlayerC);
+       $useridD  = DB_get_userid_by_name($PlayerD);
+
+       /* create random numbers */
+       $randomNR       = create_array_of_random_numbers($useridA,$useridB,$useridC,$useridD);
+       $randomNRstring = join(":",$randomNR);
+
+       /* create game */
+       $followup = NULL;
+       /* is this game a follow up in an already started session? */
+       if(myisset("followup") )
+         {
+           $followup= $_REQUEST["followup"];
+           $session = DB_get_session_by_gameid($followup);
+           $ruleset = DB_get_ruleset_by_gameid($followup); /* just copy ruleset from old game,
+                                                            this way no manipulation is possible */
+
+           /* check if there is a game in pre or play mode, in that case do nothing */
+           if( DB_is_session_active($session) > 0 )
+             {
+               echo "<p class=\"message\"> There is already a game going on in session $session, you can't start a new one</p>";
+               output_footer();
+               DB_close();
+               exit();
+             }
+           else if ( DB_is_session_active($session) < 0 )
+             {
+               echo "<p class=\"message\"> ERROR: status of session $session couldn't be determined.</p>";
+               output_footer();
+               DB_close();
+               exit();
+             }
 
-else if(isset($_REQUEST["me"]))
+           if($session)
+             mysql_query("INSERT INTO Game VALUES (NULL, NULL, '$randomNRstring', 'normal', NULL,NULL,'1',NULL,'pre',".
+                         "'$ruleset','$session' ,NULL)");
+           else
+             {
+               /* get max session and start a new one */
+               $max = DB_get_max_session();
+               $max++;
+               mysql_query("UPDATE Game SET session='".$max."' WHERE id=".DB_quote_smart($followup));
+               mysql_query("INSERT INTO Game VALUES (NULL, NULL, '$randomNRstring', 'normal', NULL,NULL,'1',NULL,'pre',".
+                           "'$ruleset','$max' ,NULL)");
+             }
+         }
+       else /* no follow up, start a new session */
+         {
+           /* get ruleset information or create new one */
+           $ruleset = DB_get_ruleset($dullen,$schweinchen,$call);
+           if($ruleset <0)
+             {
+               myerror("Error defining ruleset: $ruleset");
+               output_footer();
+               DB_close();
+               exit();
+             };
+           /* get max session */
+           $max = DB_get_max_session();
+           $max++;
+
+           mysql_query("INSERT INTO Game VALUES (NULL, NULL, '$randomNRstring', 'normal', NULL,NULL,'1',NULL,'pre', ".
+                       "'$ruleset','$max' ,NULL)");
+         }
+       $game_id = mysql_insert_id();
+
+       /* create hash */
+       $TIME  = (string) time(); /* to avoid collisions */
+       $hashA = md5("AGameOfDoko".$game_id.$PlayerA.$EmailA.$TIME);
+       $hashB = md5("AGameOfDoko".$game_id.$PlayerB.$EmailB.$TIME);
+       $hashC = md5("AGameOfDoko".$game_id.$PlayerC.$EmailC.$TIME);
+       $hashD = md5("AGameOfDoko".$game_id.$PlayerD.$EmailD.$TIME);
+
+       /* create hands */
+       mysql_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($game_id).",".DB_quote_smart($useridA).
+                   ", ".DB_quote_smart($hashA).", 'start','1',NULL,NULL,NULL,NULL)");
+       $hand_idA = mysql_insert_id();
+       mysql_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($game_id).",".DB_quote_smart($useridB).
+                   ", ".DB_quote_smart($hashB).", 'start','2',NULL,NULL,NULL,NULL)");
+       $hand_idB = mysql_insert_id();
+       mysql_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($game_id).",".DB_quote_smart($useridC).
+                   ", ".DB_quote_smart($hashC).", 'start','3',NULL,NULL,NULL,NULL)");
+       $hand_idC = mysql_insert_id();
+       mysql_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($game_id).",".DB_quote_smart($useridD).
+                   ", ".DB_quote_smart($hashD).", 'start','4',NULL,NULL,NULL,NULL)");
+       $hand_idD = mysql_insert_id();
+
+       /* save cards */
+       for($i=0;$i<12;$i++)
+         mysql_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idA', '".$randomNR[$i]."', 'false')");
+       for($i=12;$i<24;$i++)
+         mysql_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idB', '".$randomNR[$i]."', 'false')");
+       for($i=24;$i<36;$i++)
+         mysql_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idC', '".$randomNR[$i]."', 'false')");
+       for($i=36;$i<48;$i++)
+         mysql_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idD', '".$randomNR[$i]."', 'false')");
+
+       /* send out email, TODO: check for error with email */
+       $message = "\n".
+         "you are invited to play a game of DoKo (that is to debug the program ;).\n".
+         "Place comments and bug reports here:\n".
+         "http://wiki.nubati.net/index.php?title=EmailDoko\n\n".
+         "The whole round would consist of the following players:\n".
+         "$PlayerA\n".
+         "$PlayerB\n".
+         "$PlayerC\n".
+         "$PlayerD\n\n".
+         "If you want to join this game, please follow this link:\n\n".
+         "".$HOST.$INDEX."?me=";
+
+       mymail($EmailA,"You are invited to a game of DoKo","Hello $PlayerA,\n".$message.$hashA);
+       mymail($EmailB,"You are invited to a game of DoKo","Hello $PlayerB,\n".$message.$hashB);
+       mymail($EmailC,"You are invited to a game of DoKo","Hello $PlayerC,\n".$message.$hashC);
+       mymail($EmailD,"You are invited to a game of DoKo","Hello $PlayerD,\n".$message.$hashD);
+
+       echo "<div class=\"message\">You started a new game. The emails have been sent out!</div>\n";
+      }
+    /* end set up a new game */
+  }    
+/* cancel a game, if nothing has happend in the last N minutes */
+else if(myisset("cancel","me"))
   {
-     /* handle request from one specifig player,
-      * the hash is set on a  per game base, so first just handle this game
-      * perhaps also show links to other games in a sidebar
-      */
-    
+    output_status();
+
     $me = $_REQUEST["me"];
-    
+
+    /* test for valid ID */
     $myid = DB_get_userid_by_hash($me);
-    
     if(!$myid)
       {
        echo "Can't find you in the database, please check the url.<br />\n";
-       echo "perhaps the game has been cancled.";
-        exit();
+       echo "perhaps the game has been canceled, check by login in <a href=\"$INDEX\">here</a>.";
+       output_footer();
+       DB_close();
+       exit();
       }
-    
+
+    DB_update_user_timestamp($myid);
+
+    /* get some information from the DB */
+    $gameid   = DB_get_gameid_by_hash($me);
     $myname   = DB_get_name_by_hash($me);
-    $mystatus = DB_get_status_by_hash($me);
-    
-    switch($mystatus)
+
+    /* check if game really is old enough to be canceled */
+    $result = mysql_query("SELECT mod_date from Game WHERE id='$gameid' " );
+    $r = mysql_fetch_array($result,MYSQL_NUM);
+    if(time()-strtotime($r[0]) > 60*60*24*30) /* = 1 month */
       {
-      case 'start':
-       check_want_to_play($me);
-       DB_set_hand_status_by_hash($me,'init');
-       break;
-       
-      case 'init':
-       if( !isset($_REQUEST["in"]) || !isset($_REQUEST["update"]))
+       $message = "Hello, \n\n".
+         "Game ".DB_format_gameid($gameid).
+         " has been canceled since nothing happend for a while and $myname requested it.\n";
+
+       $userids = DB_get_all_userid_by_gameid($gameid);
+       foreach($userids as $user)
          {
-           DB_set_hand_status_by_hash($me,'start');
-           echo "you need to answer both question";
+           $To = DB_get_email_by_userid($user);
+           mymail($To,$EmailName."game ".DB_format_gameid($gameid)." canceled (timed out)",$message);
          }
-       else
-         {
-           if($_REQUEST["in"] == "no")
-             {
-               echo "TODO: email everyone that the game has been canceld<br />";
-                /*something like
-                for($i=0;$i<4;$i++)
-                  {
-                    $message = "Hello ".$player[$hash[$i]]["name"].",\n\n".
-                      "the game has been canceled due to the request of one of the players.\n";
-                    mymail($player[$hash[$i]]["email"],"[DoKo-Debug] the game has been canceled",$message); 
-                  }
-                */
-               DB_cancel_game($me);
-             }
-           else
-             {
-               echo "thanks for joining the game... please scroll down";
-               echo "TODO: make this page nicer<br />";
-               echo "TODO: set card pref<br />";
-               
-               $mycards = DB_get_hand($me);
-               sort($mycards);
-               echo "<p class=\"mycards\">your cards are: <br />\n";
-               foreach($mycards as $card) 
-                 display_card($card);
-               echo "</p>\n";   
-               
-               check_for_sickness($me,$mycards);
-               
-               DB_set_hand_status_by_hash($me,'check');
-             }
-          }
-       break;
-       
-      case 'check':
-       echo "no checking at the moment... you need to play a normal game";
-       if(!isset($_REQUEST["solo"])    || 
-          !isset($_REQUEST["wedding"]) ||
-          !isset($_REQUEST["poverty"]) ||
-          !isset($_REQUEST["nines"]) )
+
+       /* delete everything from the dB */
+       DB_cancel_game($me);
+
+       echo "<p style=\"background-color:red\";>Game ".DB_format_gameid($gameid).
+         " has been canceled.<br /><br /></p>";
+      }
+    else
+      echo "<p>You need to wait longer before you can cancel a game...</p>\n";
+  }
+/* send out a reminder */
+else if(myisset("remind","me"))
+  {
+    output_status();
+
+    $me = $_REQUEST["me"];
+
+    /* test for valid ID */
+    $myid = DB_get_userid_by_hash($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>.";
+       output_footer();
+       DB_close();
+       exit();
+      }
+
+    DB_update_user_timestamp($myid);
+
+    /* get some information from the DB */
+    $gameid   = DB_get_gameid_by_hash($me);
+    $myname   = DB_get_name_by_hash($me);
+
+    /* check if player hasn't done anything in a while */
+    $result = mysql_query("SELECT mod_date,player,status from Game WHERE id='$gameid' " );
+    $r = mysql_fetch_array($result,MYSQL_NUM);
+    if( (time()-strtotime($r[0]) > 60*60*24*7)  && ($r[2]!='gameover') ) /* = 1 week */
+      {
+       $name = DB_get_name_by_userid($r[1]);
+       $To   = DB_get_email_by_userid($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."?me=".$userhash."\n\n" ;
+
+       /* make sure we don't send too  many reminders to one person */
+       if(DB_get_reminder($r[1],$gameid)>0)
          {
-           DB_set_hand_status_by_hash($me,'init');
-           /* problem: by setting it back to init, variables "in" and "update" are 
-            * not set, so the player will be send back to the start, after seeing his hand
-            */
-           echo "you need to fill out the form";
+           echo "<p>An email has already been sent out.</p>\n";
          }
        else
          {
-           if( $_REQUEST["solo"]!="No")
-             {
-               DB_set_solo_by_hash($me,$_REQUEST["solo"]);
-               DB_set_sickness_by_hash($me,"solo");
-             }
-           else if($_REQUEST["wedding"] == "yes")
-             {
-               echo "wedding was chosen<br />\n";
-               DB_set_sickness_by_hash($me,"wedding");
-             }
-           else if($_REQUEST["poverty"] == "yes")
-             {
-               echo "poverty was chosen<br />\n";
-               DB_set_sickness_by_hash($me,"poverty");
-             }
-           else if($_REQUEST["nines"] == "yes")
-             {
-               echo "nines was chosen<br />\n";
-                DB_set_sickness_by_hash($me,"nines");
-             }
+           DB_set_reminder($r[1],$gameid);
+           mymail($To,$EmailName."Reminder: game ".DB_format_gameid($gameid)." it's your turn",$message);
+
+           echo "<p style=\"background-color:red\";>Game ".DB_format_gameid($gameid).
+             ": an email has been sent out.<br /><br /></p>";
          }
-       DB_set_hand_status_by_hash($me,'poverty');
-       
-       /* check all players and set game to final result, e.g. solo, wedding, povert, redeal */
-       
-       /* reset solo, etc from players who did say something, but it didn't matter? */
-       break;
-      case 'poverty':
-       echo "<br />poverty not handeled at the moment... you need to play a normal game<br />";
-       
-       /* only set this after all poverty, etc. are handeled*/
-       DB_set_hand_status_by_hash($me,'play');
-       break;
-      case 'play':
-       display_news();
-       display_status();
-       
-        /* get game id */
-       $gameid = DB_get_gameid_by_hash($me);
-       
-       /* get trick ids */
-       $result = mysql_query("SELECT hand_card.card_id as card,".
-                             "       user.fullname as name,".
-                             "       hand.position as position,".
-                             "       play.sequence as sequence, ".
-                             "       hand.hash     as hash,     ".
-                             "       trick.id ".
-                             "FROM Trick ".
-                             "LEFT JOIN Play ON trick.id=play.trick_id ".
-                             "LEFT JOIN Hand_Card ON play.hand_card_id=hand_card.id ".
-                             "LEFT JOIN Hand ON hand_card.hand_id=hand.id ".
-                             "LEFT JOIN User ON user.id=hand.user_id ".
-                             "WHERE trick.game_id='".$gameid."' ".
-                             "ORDER BY trick.id,sequence ASC");
-       
-       
-       $trickNR = 1;
-       
-       $lasttrick = DB_get_max_trickid($gameid);
-       
-       $play = array(); /* needed to calculate winner later  */
-       $seq=1;          
-       $pos=0;
-       
-       echo "\n<ul class=\"oldtrick\">\n";
-       echo "  <li> Hello $myname!   History: </li>\n";
-       
-       while($r = mysql_fetch_array($result,MYSQL_NUM))
+      }
+    else
+      echo "<p>You need to wait longer before you can send out a reminder...</p>\n";
+  }
+/* handle request from one specific player for one game,
+ * (the hash is set on a per game base) */
+else if(myisset("me"))
+  {
+    $me = $_REQUEST["me"];
+
+    /* test for valid ID */
+    $myid = DB_get_userid_by_hash($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>.";
+       output_footer();
+       DB_close();
+       exit();
+      }
+    
+    /* user might get here by clicking on the link in an email, so session might not be set */
+    if(isset($_SESSION["name"]))
+      output_status($_SESSION["name"]);
+
+    /* the user had done something, update the timestamp */
+    DB_update_user_timestamp($myid);
+
+    /* get some information from the DB */
+    $gameid   = DB_get_gameid_by_hash($me);
+    $myname   = DB_get_name_by_hash($me);
+    $mystatus = DB_get_status_by_hash($me);
+    $mypos    = DB_get_pos_by_hash($me);
+    $myhand   = DB_get_handid_by_hash($me);
+    $session  = DB_get_session_by_gameid($gameid);
+
+    /* get prefs and save them */
+    DB_get_PREF($myid);
+    /* end set pref */
+
+    /* get rule set for this game */
+    $result = mysql_query("SELECT * FROM Rulesets".
+                         " LEFT JOIN Game ON Game.ruleset=Rulesets.id ".
+                         " WHERE Game.id='$gameid'" );
+    $r      = mysql_fetch_array($result,MYSQL_NUM);
+
+    $RULES["dullen"]      = $r[2];
+    $RULES["schweinchen"] = $r[3];
+    $RULES["call"]        = $r[4];
+
+    /* get some infos about the game */
+    $gametype   = DB_get_gametype_by_gameid($gameid);
+    $gamestatus = DB_get_game_status_by_gameid($gameid);
+    $GT         = $gametype;
+    if($gametype=="solo")
+      {
+       $gametype = DB_get_solo_by_gameid($gameid);
+       $GT  = $gametype." ".$GT;
+      }
+
+    /* does anyone have both foxes */
+    $GAME["schweinchen"]=0;
+    for($i=1;$i<5;$i++)
+      {
+       $hash  = DB_get_hash_from_game_and_pos($gameid,$i);
+       $cards = DB_get_all_hand($hash);
+       if( in_array("19",$cards) && in_array("20",$cards) )
          {
-           $seq   = $r[3];
-           $pos   = $r[2];
-           $trick = $r[5];
-           
-           if($trick!=$lasttrick && $seq==1)
-             {
-               /* start of an old trick? */
-               echo "  <li onclick=\"hl('$trickNR');\"><a href=\"#\">Trick $trickNR</a>\n".
-                 "    <div class=\"table\" id=\"trick".$trickNR."\">\n".
-                 "      <img class=\"table\" src=\"pics/table".($pos-1).".png\" alt=\"table\" />\n";
-             }
-           else if($trick==$lasttrick && $seq==1)
-             {
-               /* start of a last trick? */
-               echo "  <li onclick=\"hl('$trickNR');\"><a href=\"#\">Current Trick</a>\n".
-                 "    <div class=\"table\" id=\"trick".$trickNR."\">\n".
-                 "      <img class=\"table\" src=\"pics/table".($pos-1).".png\" alt=\"table\" />";
-             }
-           
-           /* display card */
-           echo "      <div class=\"card".($pos-1)."\">\n";
-           
-           $play[$pos]=$r[0];
-           
-           $comment=0;
-           if($comment)
-             echo "        <span class=\"comment\">";
-           else
-             echo "        <span>";
-           
-           /* print name */
-           echo $r[1];
-           
-           /* check for comment */
-           if($comment)
-             echo "<span>".$comment."</span>";
-           echo "</span>\n        ";
-           
-           display_card($r[0]);
-           
-           echo "      </div>\n"; /* end div card */
-           
-           /* end of trick? */
-           if($seq==4)
-             {
-               $trickNR++;
-               echo "    </div>\n  </li>\n";  /* end div table, end li table */
-             }
+           $GAME["schweinchen"]=1;
+           $GAME["schweinchen-who"]=$hash;
          }
-       if($seq!=4) 
-         echo "    </div>\n  </li>\n";  /* end div table, end li table */
-       
-       echo "</ul>\n";
-       
-       /* whos turn is it? */
-       if($seq==4)
+      };
+
+    /* put everyting in a form */
+    echo "<form action=\"index.php?me=$me\" method=\"post\">\n";
+
+    /* output game */
+
+    /* output extra division in case this game is part of a session */
+    if($session)
+      {
+       echo "<div class=\"session\">\n".
+         "This game is part of session $session: \n";
+       $hashes = DB_get_hashes_by_session($session,$myid);
+       $i = 1;
+       foreach($hashes as $hash)
          {
-            $winner = get_winner($play); /* returns the position */
-            $next = $winner;
+           if($hash == $me)
+             echo "$i \n";
+           else
+             echo "<a href=\"".$INDEX."?me=".$hash."\">$i</a> \n";
+           $i++;
          }
-       else
+       echo "</div>\n";
+      }
+
+    /* display the table and the names */
+    display_table();
+
+    /* mystatus gets the player through the different stages of a game.
+     * start:    yes/no
+     * init:     check values from start,
+     *           check for sickness
+     * check:    check for return values from init
+     * poverty:  handle poverty, wait here until all player have reached this state
+     *           display sickness and move on to game
+     * play:     game in progress
+     * gameover: are we revisiting a game
+     */
+    switch($mystatus)
+      {
+      case 'start':
+       if( !myisset("in") )
          {
-           $next = $pos+1;
+           /* asks the player, if he wants to join the game */
+           output_check_want_to_play($me);
+           break;
          }
-       if($next==5) $next=1;
-       
-       /* my turn?, display cards as links, ask for comments*/
-       if(DB_get_pos_by_hash($me) == $next)
-         $myturn = 1;
        else
-         $myturn = 0;
-       
-       /* do we want to play a card? */
-       if(isset($_REQUEST["card"]) && $myturn)
          {
-           $card   = $_REQUEST["card"];
-           $handid = DB_get_handid_by_hash($me); 
-           
-           /* check if we have card */
-           /* set played in hand_card to true where hand_id and card_id*/
-           $result = mysql_query("SELECT id FROM Hand_Card WHERE hand_id='$handid' AND card_id=".DB_quote_smart($card));
-           $r = mysql_fetch_array($result,MYSQL_NUM);
-           $handcardid = $r[0];
-           
-           if($handcardid)
+           /* check the result, if player wants to join, got next stage, else cancel game */
+           if($_REQUEST["in"] == "no")
              {
-               mysql_query("UPDATE Hand_Card SET played='true' WHERE hand_id='$handid' AND card_id=".DB_quote_smart($card));
-               
-               /* get trick id or start new trick */
-               $a = DB_get_current_trickid($gameid);
-               $trickid  = $a[0];
-               $sequence = $a[1];
-               
-               DB_play_card($trickid,$handcardid,$sequence);
-               echo "<div class=\"card\">";
-               echo " you played  <br />";
-               display_card($card);
-               echo "</div>\n";
-               
-               if(sizeof(DB_get_hand($me))==0)
-                 DB_set_hand_status_by_hash($me,'gameover');
-               
-               echo "TODO: email next player<br />";
+               /* cancel the game */
+               $message = "Hello, \n\n".
+                 "the game has been canceled due to the request of one of the players.\n";
+
+               $userids = DB_get_all_userid_by_gameid($gameid);
+               foreach($userids as $user)
+                 {
+                   $To = DB_get_email_by_userid($user);
+                   mymail($To,$EmailName."game ".DB_format_gameid($gameid)." canceled",$message);
+                 }
+
+               /* delete everything from the dB */
+               DB_cancel_game($me);
+               break;
              }
            else
              {
-               echo "couldn't find card <br />\n";
+               /* user wants to join the game */
+
+               /* move on to the next stage,
+                * no break statement to immediately go to the next stage
+                */
+
+               DB_set_hand_status_by_hash($me,'init');
+
+               /* check if everyone has reached this stage, send out email */
+               $userids = DB_get_all_userid_by_gameid($gameid);
+               $ok = 1;
+               foreach($userids as $user)
+                 {
+                   $userstat = DB_get_hand_status_by_userid_and_gameid($user,$gameid);
+                   if($userstat!='init')
+                     {
+          &nb