<?php


namespace Composer;

use Composer\Semver\VersionParser;


class InstalledVersions
{
private static $installed = array (
  'root' => 
  array (
    'pretty_version' => 'dev-develop',
    'version' => 'dev-develop',
    'aliases' => 
    array (
    ),
    'reference' => '47c51ab15542055b42183b14a29ed0b206e7a0f7',
    'name' => 'trilbymedia/sitemap',
  ),
  'versions' => 
  array (
    'trilbymedia/sitemap' => 
    array (
      'pretty_version' => 'dev-develop',
      'version' => 'dev-develop',
      'aliases' => 
      array (
      ),
      'reference' => '47c51ab15542055b42183b14a29ed0b206e7a0f7',
    ),
  ),
);


public static function getInstalledPackages()
{
return array_keys(self::$installed['versions']);
}


public static function isInstalled($packageName)
{
return isset(self::$installed['versions'][$packageName]);
}


public static function satisfies(VersionParser $parser, $packageName, $constraint)
{
$constraint = $parser->parseConstraints($constraint);
$provided = $parser->parseConstraints(self::getVersionRanges($packageName));

return $provided->matches($constraint);
}


public static function getVersionRanges($packageName)
{
if (!isset(self::$installed['versions'][$packageName])) {
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}

$ranges = array();
if (isset(self::$installed['versions'][$packageName]['pretty_version'])) {
$ranges[] = self::$installed['versions'][$packageName]['pretty_version'];
}
if (array_key_exists('aliases', self::$installed['versions'][$packageName])) {
$ranges = array_merge($ranges, self::$installed['versions'][$packageName]['aliases']);
}
if (array_key_exists('replaced', self::$installed['versions'][$packageName])) {
$ranges = array_merge($ranges, self::$installed['versions'][$packageName]['replaced']);
}
if (array_key_exists('provided', self::$installed['versions'][$packageName])) {
$ranges = array_merge($ranges, self::$installed['versions'][$packageName]['provided']);
}

return implode(' || ', $ranges);
}


public static function getVersion($packageName)
{
if (!isset(self::$installed['versions'][$packageName])) {
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}

if (!isset(self::$installed['versions'][$packageName]['version'])) {
return null;
}

return self::$installed['versions'][$packageName]['version'];
}


public static function getPrettyVersion($packageName)
{
if (!isset(self::$installed['versions'][$packageName])) {
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}

if (!isset(self::$installed['versions'][$packageName]['pretty_version'])) {
return null;
}

return self::$installed['versions'][$packageName]['pretty_version'];
}


public static function getReference($packageName)
{
if (!isset(self::$installed['versions'][$packageName])) {
throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
}

if (!isset(self::$installed['versions'][$packageName]['reference'])) {
return null;
}

return self::$installed['versions'][$packageName]['reference'];
}


public static function getRootPackage()
{
return self::$installed['root'];
}


public static function getRawData()
{
return self::$installed;
}


public static function reload($data)
{
self::$installed = $data;
}
}