<?
/* ***** LOGIN ***** */
include "accounts.php";
include "check_session.php";
/*GS* Enable GET for logins, to let search bots in
if ( $username == "" && isset( $_POST ) )
{
  $login_username = $_POST["login_username"];
  $login_password =  $_POST["login_password"];
*/
if ( $username == "" && (isset( $_POST ) || isset( $_GET )) )
{
  if ( $_GET["guest"] == "guest" ) {
    $login_username = "guest";
    $login_password = "guest";
  } else {
    $login_username = $_POST["login_username"];
    $login_password =  $_POST["login_password"];
  }
/*GS -END- */
  if ( !empty($login_username) || !empty($login_password) ) 
  {
    $result = "ok";
    
    if ( empty($login_username) )
      $result =  "Username is missing!";
    if ( empty($login_password) )
      $result = "Password is missing!";

    if ( !isset($passwords[$login_username]) )
      $result = "Invalid username or password!";
    else
    if ( $passwords[$login_username] != $login_password )
      $result = "Invalid username or password!";
      
    if ( $result == "ok" )
    {
      $_SESSION["username"] = $login_username;
      if ( $admins[$login_username] == "yes" )
        $_SESSION["is_admin"] = true;
      else
        $_SESSION["is_admin"] = false;
      $_SESSION["cat"] = "my";
      $_SESSION["filter"] = ":::"; 
      $_SESSION["gamefile"] = "main";
      $_SESSION["theme"] = "wcg";
      $_SESSION["noteskey"] = crypt($login_password,"noteskey");
      $_SESSION["posts_blocked"] = 0;
      $username = $login_username;
/*GS* User logged in, add to login log*/
      $logfile = fopen( "occ-data/logs/logins.".date("Ym"), "a" );
      fwrite( $logfile, str_pad($username, 12, " ", STR_PAD_BOTH)." | "
	  .str_pad($_SERVER['REMOTE_ADDR'].":".$_SERVER['REMOTE_PORT'], 21, " ", STR_PAD_BOTH)." | "
	  .date("Y/m/d H:i:s l\n") );
      fclose( $logfile );
/*GS*/
    }
    
    if ( $result != "ok" )
      $errmsg = $result;
  }
}

include "misc.php";

/* read first two lines of file and return as info
 *  starting date
 *  last move
 *  white player
 *  black player
 *  moves
 *  user's turn? */
function getQuickInfo( $folder, $gamefile )
{
  global $username, $res_games;
  $info = array();
  $hfile = fopen( "$folder/$gamefile", "r" );
  $aux = explode( " ", trim(fgets( $hfile, 128 )) );
  $info[0] = $gamefile;
  $info[1] = printDate($aux[0],$aux[1],$aux[2],$aux[3],$aux[4]);
  $info[2] = printDate($aux[5],$aux[6],$aux[7],$aux[8],$aux[9]);
  $timestamp=mktime($aux[8],$aux[9],0,$aux[6],$aux[7],$aux[5]);
  $aux = explode( " ", trim(fgets( $hfile, 128 )) );
  $info[3] = $aux[0];
  $info[4] = $aux[1];
  $info[5] = $aux[2];
  $info[6] = 0;
  /* indicator is set as long as game is not archived. then it
     is always off */
  if ( $folder == $res_games )
  if ( ($aux[3] == "w" && $username==$info[3]) ||
       ($aux[3] == "b" && $username==$info[4]) )
      $info[6] = 1;
  $info[7]=$timestamp; /* timestamp of last move */
  fclose( $hfile );
  return $info;
}

function cmpLMTo($a,$b)
{
  if ( $a[7]==$b[7] ) return 0;
  return ($a[7] < $b[7]) ? -1 : 1;
}
function cmpLMTr($a,$b)
{
  if ( $a[7]==$b[7] ) return 0;
  return ($a[7] < $b[7]) ? 1 : -1;
}

function selectGames( $filter, $oldest_first )
{
  /* format of file name: yyyymmddhhmmss-white-black- */
  global $username, $user_restr, $res_games, $res_archive;
  $aux = explode( ":", $filter );
  $s_loc = $aux[0]; $s_ply = $aux[1]; 
  $s_clr = $aux[2]; $s_opp = $aux[3];
  if ( $s_loc == "games" )
    $s_loc = $res_games;
  else
    $s_loc = $res_archive;
  $games = array(); $i = 0;
  $hdir = opendir( $s_loc );
  while ( $entry = readdir( $hdir ) ) {
    if ( $entry == "." || $entry == ".." ) continue;
    /* player selected but game does not feature the name */
    if ( !empty( $s_ply ) )
      if ( strpos($entry,"-$s_ply-") === false )
        continue;
    /* opponent selected but game does not feature the name */
    if ( !empty( $s_opp ) )
      if ( strpos($entry,"-$s_opp-") === false )
        continue;
    /* color of player */
    if ( !empty( $s_clr ) )
    {
      $aux = explode( "-", $entry );
      if ( $s_clr=="w" && $s_ply != $aux[1] )
        continue;
      if ( $s_clr=="b" && $s_ply != $aux[2] )
        continue;
    }
    $games[$i++] = getQuickInfo( $s_loc, $entry );
  }
  closedir( $hdir );
  if ( count( $games ) > 0 ) 
  {
    if ( $oldest_first ) 
      usort($games,"cmpLMTo"); /*last move timestamp*/
    else
      usort($games,"cmpLMTr"); /*most recent move timestamp*/
  }
  $games[count($games)] = $s_loc;
  return $games;
}

?>

<script language="Javascript">
function confirm_new()
{
  if (confirm("Are you sure you want to open a new game?"))
    return true; 
   else
    return false;
}
</script>

<HTML>

<HEAD>
<TITLE>Online Chess Club</TITLE>
<LINK rel=stylesheet type="text/css" href="style.css">
</HEAD>

<? /*GS* CSS-ified
<BODY bgcolor="#ffffff" link="" alink="" vlink="">
*/ ?>
<BODY>

<? if ( $username=="" ) { ?>

<!-- ***** LOGIN FORM ***** -->
<DIV align="center">
<TABLE border=0><TR><TD align="center">
<? /*GS* No Break!
<BR><BR><BR><BR>
*/ ?>
<IMG alt="" src="images/logo.jpg"><BR><BR>
<?/*GS* -START- Added by Gokhan San - Psycho Image */?>
<IMG src="images/psycho.jpg" alt="Psycho" width="444" height="270"><br>
<?/*GS* -END- */?>
<? if ( !empty($errmsg) ) { ?>
  <B class="warning"><?=$errmsg?></B><BR><BR>
<? } ?>
<? /*GS* Reformat of login window
<TABLE border=0><TR><TD align="center">
<FORM method="POST">
<DIV align="right">
Username: &nbsp;&nbsp;&nbsp;&nbsp;
<INPUT type="text" size=20 name="login_username" value=""><BR><BR>
Password: &nbsp;&nbsp;&nbsp;&nbsp;
<INPUT type="password" size=20 name="login_password" value="">
</DIV>
<BR><INPUT type="submit" name="submit" value="Login">
</FORM>
<FONT class="warning">(Cookies must be enabled to login.)</FONT>
</TD></TR></TABLE>
*/ ?>
<FORM method="POST">
<TABLE border="0">
<TR align="center">
<TD align="center">u &nbsp; s &nbsp; e &nbsp; r &nbsp; n &nbsp; a &nbsp; m &nbsp; e &nbsp; :</TD>
<td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
<TD align="center">p &nbsp; a &nbsp; s &nbsp; s &nbsp; w &nbsp; o &nbsp; r &nbsp; d &nbsp; :</TD>
</TR>
<TR align="center">
<TD align="center"><INPUT type="text" size=25 name="login_username" value=""></TD>
<td>&nbsp;</td>
<TD align="center"><INPUT type="password" size=25 name="login_password" value=""></TD>
</TR>
</TABLE>
<hr>
<INPUT type="submit" name="submit" value="Login">
</FORM>
<FONT class="warning">(Cookies must be enabled to login.)</FONT><br>
<?/*GS* -START- Added by Gokhan San - Guest User */?>
<br>
<a href="index.php?guest=guest">Login as Guest</a>
<?/*GS* -END- */?>
<?/*GS* -END- Login reformat */?>
<?include "footer.php";?>
</TD></TR></TABLE>
</DIV>

<? } else { /* login form or mainpage */ ?>

<!-- ***** MAIN PAGE ***** -->
<TABLE width=100% border=0 cellspacing=0 ><TR><TD align="center">

<P><IMG alt="" src="images/logo.jpg"><BR><BR>
<?/*GS* -START- Added by Gokhan San - Added public forum */?>
[ 
<A href="index.php?mygames=1">My Games</A> |
<A href="search.php">Search</A> |
<A href="rankings.php">Rankings</A> |
<A href="pgnselect.php">PGN Archives</A> |
<A href="help.php?overview=yes">Help</A> |
<A href="logout.php">Logout</A> ]<br>
[
<? if ( $username!="guest" ) { ?>
<A href="forum.php?select=Main">Forum</A> |
<? } ?>
<A href="forum.php?select=Public">Public Forum</A> ]
<?/*GS* -END- */?>
</P>

<TABLE border=0 cellspacing=0 ><TR><TD valign="top" align="center">

<?
/* grab stats from user file and build users list for challenges */
$userlist = file( $res_users );
$gamecount = 0; $wins = 0; $draws = 0; $losses = 0;
$users = array(); $i = 0;
foreach ( $userlist as $entry )
{
  if ( strncmp( $entry, "$username:", strlen($username)+1 ) == 0 )
  {
    $data = explode( ":", $entry );
    $gamecount = $data[1] + $data[2] + $data[3];
    $wins   = $data[1];
    $draws  = $data[2];
    $losses = $data[3];
  }
  /* $users[$i++] = $data[0]; */
}
/* build users list from accounts file */
foreach( $passwords as $usr => $pwd )
   $users[$i++] = $usr;
?>    
<P>
<? /*GS* CSS-ified
<TABLE width=100% border=0 bgcolor="#f2f2f2">
*/ ?>
<TABLE width=100% border=0 class=tablo>
<TR>
<TD>Logged in as: <B><?=$username?></B></TD>
<TD width=20></TD>
<TD align="right"><?=$gamecount?> games total, <?=$wins?> wins, <?=$draws?> draws, <?=$losses?> losses</TD>
</TD>
</TR></TABLE></P>

<?
/* test whether search data was submitted or my-games
 * was selected. */
if ( isset($_POST) && isset($_POST["search"]) )
{
  $_SESSION["cat"] = "search";
  $s_loc = $_POST["location"];
  $s_player = $_POST["player"];
  if ( $s_player == "anyplayer" ) $s_player = "";
  $s_color = $_POST["color"];
  if ( $s_color == "anycolor" ) $s_color = "";
  $s_opponent = $_POST["opponent"];
  if ( $s_opponent == "anyplayer" ) $s_opponent ="";
  $_SESSION["filter"] = "$s_loc:$s_player:$s_color:$s_opponent";
}
if ( isset($_GET) && isset($_GET["mygames"]) )
  $_SESSION["cat"] = "my";

/* get and display game list */
echo "<P><B>";
if ( $_SESSION["cat"] == "my" )
{
  $contents = selectGames( "games:$username::", 1 /*oldest moves first*/ );
  echo "My Games";
} 
else
{
  $contents = selectGames( $_SESSION["filter"], 0 /*most recent moves first*/ );
  $res_count = count($contents)-1;
  echo "$res_count Search Results";
}
echo "</B></P>";
  
if ( count($contents) < 2 )
  echo "<P>No games.</P>"; 
else
{
/*GS* CSS-ified
  echo "<TABLE width=100% cellpadding=0 cellspacing=5 border=0 bgcolor=\"#f2f2f2\">";
*/
  echo "<TABLE width=100% cellpadding=0 cellspacing=5 border=0 class=tablo>";
  ?><TR>
    <TD></TD>
    <TD><B>White Player&nbsp;&nbsp;&nbsp;&nbsp;</B></TD>
    <TD><B>Black Player&nbsp;&nbsp;&nbsp;&nbsp;</B></TD>
    <TD><B>Starting Date&nbsp;&nbsp;&nbsp;&nbsp;</B></TD>
    <TD><B>Moves&nbsp;&nbsp;&nbsp;&nbsp;</B></TD>
    <TD><B>Last Move At&nbsp;&nbsp;&nbsp;&nbsp;</B></TD>
    <TD></TD>
    </TR><?
  $folder=array_pop($contents);
  foreach ( $contents as $info )
  {
    if ( $info[6] )
      $light = "s_green.gif";
    else
      $light = "s_red.gif";
    if ( $folder == $res_games )
      $script = "chess.php";
    else
      $script = "browser.php";
    ?><TR>
      <TD><IMG alt="" src="images/<?=$light?>"></TD>
      <TD><?=$info[3]?></TD>
      <TD><?=$info[4]?></TD>
      <TD><?=$info[1]?>&nbsp;&nbsp;</TD>
      <TD><?=$info[5]?></TD>
      <TD><?=$info[2]?>&nbsp;&nbsp;</TD>
      <TD>
        <A href="<?=$script?>?gamefile=<?=$info[0]?>">Enter</A>
      </TD>
    </TR><?
  }
  echo "</TABLE>";
}

/*GS* -START- Added by Gokhan San - Disable new game for guest */
if ( $username!="guest" ) {
if ( $_SESSION["cat"] == "my" ) {
?><BR><FORM onSubmit="return confirm_new();" action="newgame.php" method="POST">
<INPUT type="hidden" name="cat" value="<?=$cat?>">
Start a new game against
<SELECT name="opponent">
<?
foreach( $users as $ruser )
  if ( $ruser != $username )
    echo "<OPTION value=\"$ruser\">$ruser</OPTION>";
?>
</SELECT>
as 
<SELECT name="color">
  <OPTION value="white">white player</OPTION>
  <OPTION value="black">black player</OPTION>
</SELECT> with initial chatter<BR>
<TEXTAREA cols=60 rows=2 name="comment"></TEXTAREA><BR>

&nbsp;&nbsp;&nbsp;<INPUT type="submit" name="submit" value="Go!">
</FORM><?
}
}
/*GS* -END- */
//else
//  echo "<P>[ <A href=\"index.php?mygames=1\">Return To My Games</A> ]</P>";

include "footer.php";
?>

</TD></TR></TABLE>
</TD></TR></TABLE>

<? } /* end login form or mainpage */ ?>

</BODY>
</HTML>