<?
/* 
   This file is part of the 'Science Fair In A Box' project
   SFIAB Website: http://www.sfiab.ca

   Copyright (C) 2005 Sci-Tech Ontario Inc <info@scitechontario.org>
   Copyright (C) 2005 James Grant <james@lightbox.org>
   Copyright (C) 2007 David Grant <dave@lightbox.org>

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public
   License as published by the Free Software Foundation, version 2.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
*/
?>
<?
require_once("common.inc.php");
require_once("account.inc.php");

/* Make sure the user is logged in with just an account  (accounts_id is set), 
 * dont' call user_auth_required because they may not have a user */
if(!isset($_SESSION['accounts_id'])) {
	message_push(error(i18n("You must login to view that page")));
 	header("location: {$config['SFIABDIRECTORY']}/index.php");
 	exit;
}

 /* Superuser may edit this for any account, if the user is not a superuser, force
  * the accounts_id to be whatever is in the session */
 if($_SESSION['superuser']) {
 	$accounts_id = intval($_GET['accounts_id']);
	if($accounts_id == 0) $accounts_id = $_SESSION['accounts_id'];
 } else {
 	$accounts_id = $_SESSION['accounts_id'];
 }
 
function user_account_check_username($accounts_id, $username)
{
	if(!account_valid_user($username)) return false;

	$u = mysql_real_escape_string($u);
	$q = mysql_query("SELECT id FROM accounts WHERE username='$u' AND deleted='no' AND id!=$accounts_id");
	if(mysql_num_rows($q) != 0) return false;

	return true;
}

switch($_GET['action']) {
case 'check_username':
	$x = user_account_check_username($accounts_id, $_GET['username']);
	echo json_encode(array('valid' => $x));
	exit;

case 'save':
	$a = account_load($accounts_id);

	/* Since we're using input validation we dont' have to report errors back to the user, the validator
	 * should catch them all, so we'll just go ahead and save (or error out) */
	debug_(print_r($_POST), true);

	$email = trim($_POST['email']);
	$username_link = ($_POST['username_link'] == 'yes') ? true : false;
	$username = $username_link ? $email : trim($_POST['username']);

	if(array_key_exists('email', $_POST)) {
		/* If this key doesn't exist, don't even try to update the email or the usename, the
		 * user is in a "must date their password" mode */
		if($a['email'] != $email && $email != '') {
			$save = true;
			/* Change email */
			if(!account_valid_email($email)) {
				error_('Invalid email address');
				$save = false;
			}

			if($save) {
		//		action_create_set_email($accounts_id, $email);
				happy_("An email has been sent to %1 to confirm the new email address", array($email));
			} 
		}

		/* Update link */
		$x = ($a['link_username_to_email'] == 'yes') ? true : false;
		if($x != $username_link) {
			$l = $username_link ? 'yes' : 'no';
			mysql_query("UPDATE accounts SET link_username_to_email='$l' WHERE id=$accounts_id");
		}	

		/* Update username */
		if($a['username'] != $username) {
			if(user_account_check_username($accounts_id, $username)) {
				/* Update it */
				$u = mysql_real_escape_string($username);
				mysql_query("UPDATE accounts SET username='$u' WHERE id=$accounts_id");
				happy_("Username updated");
			} 
		}
	}

	$pass1 = $_POST['pass1'];
	$pass2 = $_POST['pass2'];
	if($pass1!='' || $pass2!='') {
		$pass = mysql_escape_string($pass1);
 		//first, lets see if they choose the same password again (bad bad bad)
		$q=mysql_query("SELECT password FROM accounts WHERE 
					id='$accounts_id' AND password='$pass'");

		$save = false;
		/* All of this, except matching the previous password, is checked
		 * by the form validator */
		if(mysql_num_rows($q))
			error_("You cannot choose the same password again.  Please choose a different password");	
		else if($pass1 == '') 
			error_("New Password is required");
		else if($pass1 != $pass2) 
			error_("Passwords do not match");
		else if(account_valid_password($pass1) == false) 
			error_("The password contains invalid characters or is not long enough");
		else {
			account_set_password($_SESSION['accounts_id'], $pass);
			unset($_SESSION['password_expired']);

			happy_('Password has been successfully updated');
		} 
	}
	/* Forward to the request_uri if it's set */
	if(isset($_SESSION['request_uri'])) {
		$link = $_SESSION['request_uri'];
		unset($_SESSION['request_uri']);
?>
		<script type="text/javascript">
			window.document.location="<?=$link?>";
		</script>
<?
	}
	exit;
 }

 send_header("Account Information",
                  array("Main" => "user_main.php")
				  ,"change_password"
		                  );

 $a = account_load($accounts_id);

 $d = '';
 $email = $a['email'];
 $username_link = ($a['link_username_to_email'] == 'yes') ? 'checked="checked"' : '';
 $username = $email;

 if($_SESSION['password_expired'] == true) {
 	echo error(i18n('Your password has expired.  You must choose a new password now.'));
	$d = 'disabled="disabled"';
	$validator_passreq = 'required: true,';
	echo "drect to: {$_SESSION['request_uri']}";;
 }

?>
<form class="editor" name="account" id="accountform">
<table><tr>
	<td><label for="email"><?=i18n('Email')?>:</label></td>
	<td><input id="email" <?=$d?> name="email" type="text" size="20" value="<?=$email?>"></td>
</tr><tr>
	<td></td><td>
	<div style="font-size: 0.75em;"><?=i18n('Changing the email address will cause a confirmation email to besent to the new email address before the change will take effect.')?></div>
	<br /><br />
	</td>
</tr><tr>
	<td><?=i18n('Username')?>:</td>
	<td>	<input <?=$ud?> <?=$d?> id="username" name=username type="text" size="20" value="<?=$username?>"><br />
		<input id="username_link" <?=$username_link?> <?=$d?> type="checkbox" name="username_link" value="yes" />
			<?=i18n('Use the email address as the login username')?><br />
		
	</td>
</tr><tr>
	<td colspan="2">
	<br /><br />
	</td>
</tr><tr>
	<td><label for="pass1"><?=i18n('New Password')?>:</label></td>
	<td><input id="pass1" name="pass1" type="password" size="20" value=""></td>
 </tr><tr>
	<td><label for="pass2"><?=i18n('Confirm New Password')?>:</label></td>
	<td><input id="pass2" name="pass2" type="password" size="20" value=""></td>
 </tr><tr>
	<td></td><td>
	<div style="font-size: 0.75em;"><?=i18n('Passwords must be be between 6 and 32 characters, and may NOT contain any quote or a backslash.')?></div>
	</td>
 </tr></table>
 <br />
 <br />
 <input type="submit" value="<?=i18n("Save")?>" />
  </form>


 <br />

<script type="text/javascript">
var username_valid = true;
var username_checking = true;
var check_username_time = false;

function username_changed()
{
	username_checking = false;
	username_valid = true;

	/* Immediately go to checking... */
	$("#accountform").validate().element( "#username" );
	$("#accountform").validate().element( "#email" );

	if(check_username_time != false)
		clearTimeout(check_username_time);
	check_username_time = setTimeout(function() {
				var username = $("#username").val();
				username_checking = false;
				$.getJSON("<?=$config['SFIABDIRECTORY']?>/user_account.php?action=check_username&accounts_id=<?=$accounts_id?>&username="+username,
					function(json){
						username_valid = (json.valid == 1) ? true : false;
						username_checking = true;
						$("#accountform").validate().element( "#username" );
						$("#accountform").validate().element( "#email" );
					});
				}, 500);
	
}

function email_changed() {
	if($("#username_link").is(":checked")) {
		$("#username").val($('#email').val());
		username_changed();
	}
} 


$.validator.addMethod("username_in_use",function(value, element) {
			if(element.id == 'username') {
				return username_valid;
			} else {
				if($("#username_link").is(":checked"))
					return username_valid;
				else
					return true;
			}
		});

$.validator.addMethod("checking",function(value, element) {
			return username_checking;
		});

$().ready(function() {
	$("#accountform").validate({
		rules: {
			email: {
				required: true,
				email: true, 
				username_in_use: true,
			},
			username: {
//				required: "#username_link:checked",
				username_in_use: true,
				checking: true,
				minlength: 4
			},
			pass1: {
				<?=$validator_passreq?>
				minlength: 6,
				maxlength: 32
			},
			pass2: {
				<?=$validator_passreq?>
				minlength: 6,
				maxlength: 32,
				equalTo: "#pass1"
			}
		},
		messages: {
			email: { 
				required: "Please enter an email address",
				email: "Please enter a valid email address",
				username_in_use: "Email aready in use as a username, use a different email, or uncheck the username box below"
			},
			username: {
				required: "Please enter a username",
				minlength: "Your username must consist of at least 2 characters",
				username_in_use: "Username is taken, please choose a different one",
				checking: "Checking..."
			},
			pass1: {
				required: "Please enter a password",
				minlength: "Your password must be at least 6 characters long",
				maxlength: "Your password must be at most 32 characters long"
			},
			pass2: {
				required: "Please confirm the password",
				minlength: "Your password must be at least 6 characters long",
				maxlength: "Your password must be at most 32 characters long",
				equalTo: "Please enter the same password as above"
			}
		},
		submitHandler: function() { 
			$("#debug").load("user_account.php?action=save&accounts_id=<?=$accounts_id?>", $("#accountform").serializeArray());
		}
	});

<? if($_SESSION['password_expired'] == false) { ?>
	/* Code to disable the username box, only included if the password hasn't expired */
	var username_link = $("#username_link").is(":checked");
	$("#username").attr("disabled", username_link);
	$("#username_link").click(function() {
		$("#username").attr("disabled", this.checked);
		email_changed();
		username_changed();
	});
	$("#email").change(email_changed);
	$("#email").keyup(email_changed);
	$("#username").change(username_changed);
	$("#username").keyup(username_changed);

<? } ?>
	
});
</script>


<?
send_footer();
?>