<?php

namespace Composer\Semver;

use Composer\Semver\Constraint\Constraint;

class Semver
{
	const SORT_ASC = 1;
	const SORT_DESC = -1;

	/** @var VersionParser */
	private static $versionParser;


	/**
	 * Determine if given version satisfies given constraints.
	 *
	 * @param string $version
	 * @param string $constraints
	 *
	 * @return bool
	 */
	public static function satisfies($version, $constraints)
	{
		if (null === self::$versionParser) {
		    self::$versionParser = new VersionParser();
		}

		$versionParser = self::$versionParser;
		$provider = new Constraint('==', $versionParser->normalize($version));
		$parsedConstraints = $versionParser->parseConstraints($constraints);

		return $parsedConstraints->matches($provider);
	}


	/**
	 * Return all versions that satisfy given constraints.
	 *
	 * @param string[] $versions
	 * @param string   $constraints
	 *
	 * @return string[]
	 */
	public static function satisfiedBy(array $versions, $constraints)
	{
		$versions = array_filter($versions, function ($version) use ($constraints) {
		    return Semver::satisfies($version, $constraints);
		});

		return array_values($versions);
	}


	/**
	 * Sort given array of versions.
	 *
	 * @param string[] $versions
	 *
	 * @return string[]
	 */
	public static function sort(array $versions)
	{
		return self::usort($versions, self::SORT_ASC);
	}


	/**
	 * Sort given array of versions in reverse.
	 *
	 * @param string[] $versions
	 *
	 * @return string[]
	 */
	public static function rsort(array $versions)
	{
		return self::usort($versions, self::SORT_DESC);
	}


	/**
	 * @param string[] $versions
	 * @param int      $direction
	 *
	 * @return string[]
	 */
	private static function usort(array $versions, $direction)
	{
		if (null === self::$versionParser) {
		    self::$versionParser = new VersionParser();
		}

		$versionParser = self::$versionParser;
		$normalized = array();

		// Normalize outside of usort() scope for minor performance increase.
		// Creates an array of arrays: [[normalized, key], ...]
		foreach ($versions as $key => $version) {
		    $normalizedVersion = $versionParser->normalize($version);
		    $normalizedVersion = $versionParser->normalizeDefaultBranch($normalizedVersion);
		    $normalized[] = array($normalizedVersion, $key);
		}

		usort($normalized, function (array $left, array $right) use ($direction) {
		    if ($left[0] === $right[0]) {
		        return 0;
		    }

		    if (Comparator::lessThan($left[0], $right[0])) {
		        return -$direction;
		    }

		    return $direction;
		});

		// Recreate input array, using the original indexes which are now in sorted order.
		$sorted = array();
		foreach ($normalized as $item) {
		    $sorted[] = $versions[$item[1]];
		}

		return $sorted;
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTEwMjE5Njk5NzI5NTUwMSA5MTUyMTQwNjY5OTYzNzEyIDkwOTA2NzMwNjc0NzU5OTA=