<?php
/*******************************************************************************
 * Copyright (c) 2008-2011 Eclipse Foundation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Bjorn Freeman-Benson (Eclipse Foundation) - initial API and implementation
 *    Gabe O'Brien (Eclipse Foundation) - various fixes
 *    Wayne Beaton (Eclipse Foundation) - Bug 360086
 *******************************************************************************/

require_once($_SERVER['DOCUMENT_ROOT'] . "/eclipse.org-common/system/app.class.php");
require_once($_SERVER['DOCUMENT_ROOT'] . "/eclipse.org-common/system/nav.class.php");
require_once($_SERVER['DOCUMENT_ROOT'] . "/eclipse.org-common/system/menu.class.php");
require_once(dirname(__FILE__) . "/classes/Project.class.php");
require_once(dirname(__FILE__) . "/classes/debug.php");
require_once(dirname(__FILE__) . "/classes/common.php");
trace_file_info(__FILE__);

// ----------------------------------------------------------------------------
// PHOENIX STUFF

$App 	= new App();
$Nav	= new Nav();
$Menu 	= new Menu();
include($App->getProjectCommon());

$pageTitle 		= "Project Plan";
$pageAuthor		= "Wayne Beaton";
include( '_commonLeftNav.php' );

/**
 * Handle input parameters.
 */
$parameters = trace("Parsing parameters");
if (isset($_REQUEST['projectid'])) {
	$projectid = $_REQUEST['projectid'];
	if (isValidProjectId($projectid)) {
		$parameters->trace("Project is is $projectid");
	} else {
		$projectid = htmlspecialchars($projectid);
		$parameters->trace("The specified project id ($projectid) is invalid.");
	} 
} else $projectid = null;

if (isset($_REQUEST['date'])) {
	$value = $_REQUEST['date'];
	$releaseDate = strtotime($value);
	if ($releaseDate) {
		$parameters->trace("Target release date is " . date('Y-m-d', $releaseDate));
	} else {
		$value = htmlentities($value);
		$parameters->trace("The specified date ($value) is invalid.");
	}
} else $releaseDate = null;

if (isset($_REQUEST['name'])) {
	$releaseName = $_REQUEST['name'];
	$parameters->trace("Target release name is $releaseName.");
} else $releaseName = null;

if (isset($_REQUEST['planurl'])) {
	$value = $_REQUEST['planurl'];
	$url = normalizeFilePathUrl($url);
	if ($url) {
		$parameters->trace("Plan URL is $url");
	} else {
		$value = htmlentities($value);
		$parameters->trace("The specified url ($value) is invalid.");
	}
} else $url = null;

$raw = isset($_REQUEST['raw']);

/*
* Must have a ?projectid=xxx or ?planurl=http://www.eclipse.org/xxx
*/
if ($projectid) {
	$project = getProject($projectid);
	if ($project) {
		$url = normalizeFilePathUrl($project->getPlanUrl());

		$release = null;
		if ($releaseDate) {
			$release = $project->getReleaseOnDate($releaseDate);
			if (!$release) $parameters->trace('Release on ' . date('Y-m-d', $releaseDate) . ' not found!');
		} else if ($releaseName) {
			$release = $project->getReleaseNamed($releaseName);
			if (!$release) $parameters->trace("Release named $releaseName not found!");
		}

		if ($release) $url = normalizeFilePathUrl($release->getPlan());
	} else {
		$parameters->trace("Project $projectid not found!");
	}
}

// TODO What if the $url is null?


$App->AddExtraHtmlHeader("
<style>
h2 {border-bottom: 2px solid gray;}
h3 {border-bottom: 1px dotted gray;}
</style>");

ob_start();
?>
<?php renderProjectPlan($project, $url, $releaseDate, $raw);

function renderProjectPlan($project, $url, $releaseDate, $raw) {
	if ($raw) renderRawProjectPlan($url);
	else renderHtmlProjectPlan($project, $url, $releaseDate);
}

function renderRawProjectPlan($url) {
	$contents = @file_get_contents( $url );
	echo "<div id=\"maincontent\">";
	echo "<div id=\"midcolumn\">";
	echo "<div style=\"margin-left: 10px; margin-top: 10px\">";
	echo "<b>Location:</b> $url<br>";
	echo "<b>Meta-data Tag:</b> projectplanurl<br>";
	echo "<b>Raw:</b>";
	
	echo "<pre>";
	echo htmlspecialchars($contents);
	echo "</pre>";
	
	echo "</div>";
	echo "</div>";
	echo "</div>";
}

function renderHtmlProjectPlan($project, $url, $releaseDate) {
	$xml = new DomDocument();
	$xml->load($url);
	if( $xml === false ) {
		echo "<div id=\"maincontent\">";
		echo "<div id=\"midcolumn\">";
	 	$contents = @file_get_contents( $url );
	 	if( !$contents ) {
	 		show_error_page( 'The specified URL (' . htmlspecialchars($url) . ') points to an empty file.', $projectid );
	 	} else {
	 		if( preg_match( "/&(?<!amp;)/", $contents ) ) {
	 			show_error_page( 'the file appears to have at least one naked &amp;s in bugzilla urls: &amp;s must be escaped as &amp;amp; to be valid XML.', $projectid );
	 		} else {
		 		show_error_page( 'the file is not a valid project plan XML file. See <a href="http://wiki.eclipse.org/Development_Resources/Project_Plan">the documentation</a> for details.', $projectid );
	 		}
		}
		echo "</div>";
		echo "</div>";
		return;
	}
	
	// If we don't have a reference to the project, obtain it from the plan.
	if (!$project) {
		$releases = $xml->getElementsByTagName( "release" );
		$projectid = $releases->item(0)->getAttribute( "projectid" );
		$project = get_project($projectid);
	}

	$pageTitle = "Project Plan for " . $project->getName();
	$projectName = $project->getName();
		
	// ----------------------------------------------------------------------------
	// OUTPUT
	$old_error_handler = set_error_handler("globalDisplayErrorHandler");
	/* create the processor and import the stylesheet */
	$xsl = new DomDocument();
	$xsl->load("project-plan-render.xsl");
		
	$proc = new XsltProcessor();
	$xsl = $proc->importStylesheet($xsl);
	$proc->setParameter(null, "projectName", $projectName);
	$proc->setParameter(null, "projectId", $projectid);
	
	/* transform and output the xml document */
	$echo = $proc->transformToXML($xml);
	if($echo === false){
 		show_error_page( 'the project XML file loaded but was not able to be transformed by our XSL. Please confirm that your XML is valid.', $projectid );
	} else{
		echo $echo;
	}
		
	restore_error_handler();
}
		
?>
<div style="float: right; text-align: right"><a href="?projectid=<?= $projectid ?>&raw=1">view raw xml of project plan</a><br>
<a href="/projects/dev_process/project-status-infrastructure.php">from project meta-data key "projectplanurl"</a></div>

<?php
	$html = ob_get_contents();
	ob_end_clean();

	# Generate the web page
	$pageKeywords = '';
	$App->generatePage($theme, $Menu, $Nav, $pageAuthor, $pageKeywords, $pageTitle, $html);
	
	echo get_trace_html();


function show_error_page( $errormsg, $projectid ) {
	global $App;
	$leaders = array();

	$result = $App->foundation_sql("
		SELECT DISTINCT(People.PersonID), FName, LName
			FROM PeopleProjects, Projects, People
			WHERE PeopleProjects.Relation in ('PL','PD')
				AND InactiveDate is NULL
				AND People.PersonID = PeopleProjects.PersonID
				AND Projects.ProjectID = PeopleProjects.ProjectID
				AND Projects.ProjectID = '$projectid'
			ORDER BY LName");
	
	while( $row = mysql_fetch_assoc($result) ) {
		$leaders[] = $row['FName'] . ' ' . $row['LName'];
	}

	if( count($leaders) == 0 ) {
		$leaderstr = "project leader(s)";
	} else {
		if( count($leaders) == 1 ) {
			$leaderstr = "project leader (" . $leaders[0] . ")";
		} else {
			$t1 = array_pop( $leaders );
			$leaderstr = "project leaders (" . implode( ", ", $leaders ) . " and " . $t1 . ")";
		}
	}
	?>
	<div style="margin-top: 60px; margin-left: 50px; width: 400px">
		<center>
			<img src="/projects/images/no-plan.jpg">
			<p style="margin-top: 40px;">Unable to display the <?= $projectid ?> project plan because <?= $errormsg ?></p>
			<?php if(count($leaders) != 0 ){ ?>
				<p style="margin-bottom: 60px;">The project team and <?= $leaderstr ?> are responsible for the project plan. You can contact them via the <a href="http://www.eclipse.org/mail/">project's developer mailing list</a>.</p>
			<?php } ?>
		</center>
	</div>
	<?php
}

// Global Errror Handler Function
// This replicates the look/functionality of userErrorHandler from harness.php
// but doesn't implement the test-specific checks for global flags.
// NOTE:  This is not setup by default.  If you need to enable this,
// do something like: $old_error_handler = set_error_handler("globalDisplayErrorHandler");
// external_entry() sets this up if the context calls for it.
function globalDisplayErrorHandler($errno, $errmsg, $filename, $linenum, $vars) {
	// TODO Refactor. This function is repeated in several files.
	$errortype = array (
	E_ERROR => 'Error',
	E_WARNING => 'Warning',
	E_PARSE => 'Parsing Error',
	E_NOTICE => 'Notice',
	E_CORE_ERROR => 'Core Error',
	E_CORE_WARNING => 'Core Warning',
	E_COMPILE_ERROR => 'Compile Error',
	E_COMPILE_WARNING => 'Compile Warning',
	E_USER_ERROR => 'User Error',
	E_USER_WARNING => 'User Warning',
	E_USER_NOTICE => 'User Notice',
	E_STRICT => 'Runtime Notice',
	E_RECOVERABLE_ERROR => 'Catchable Fatal Error');
	switch($errno) {
		case E_NOTICE: // discard NOTICEs
		case E_STRICT: // discard RUNTIME notices for deprecated usages
			return;
		default:
			echo "<p><table cellpadding=10 width=400 bgcolor=#ffcccc><tr><td><font size=+2>Trouble: </font>";
		echo "PHP $errortype[$errno]:<br>$errmsg<br>$filename ($linenum)";
		$mysql_error_func = 'mysql_error_check';
		if(function_exists($mysql_error_func)) {
		$mysql_error_func();
		}
		echo "</table></p>\n";
	}
}
?>