class AliasPackage

class AliasPackage extends BasePackage {
    
    /** @var string */
    protected $version;
    
    /** @var string */
    protected $prettyVersion;
    
    /** @var bool */
    protected $dev;
    
    /** @var bool */
    protected $rootPackageAlias = false;
    
    /**
     * @var string
     * @phpstan-var 'stable'|'RC'|'beta'|'alpha'|'dev'
     */
    protected $stability;
    
    /** @var bool */
    protected $hasSelfVersionRequires = false;
    
    /** @var BasePackage */
    protected $aliasOf;
    
    /** @var Link[] */
    protected $requires;
    
    /** @var Link[] */
    protected $devRequires;
    
    /** @var Link[] */
    protected $conflicts;
    
    /** @var Link[] */
    protected $provides;
    
    /** @var Link[] */
    protected $replaces;
    
    /**
     * All descendants' constructors should call this parent constructor
     *
     * @param BasePackage $aliasOf       The package this package is an alias of
     * @param string      $version       The version the alias must report
     * @param string      $prettyVersion The alias's non-normalized version
     */
    public function __construct(BasePackage $aliasOf, string $version, string $prettyVersion) {
        parent::__construct($aliasOf->getName());
        $this->version = $version;
        $this->prettyVersion = $prettyVersion;
        $this->aliasOf = $aliasOf;
        $this->stability = VersionParser::parseStability($version);
        $this->dev = $this->stability === 'dev';
        foreach (Link::$TYPES as $type) {
            $links = $aliasOf->{'get' . ucfirst($type)}();
            $this->{$type} = $this->replaceSelfVersionDependencies($links, $type);
        }
    }
    
    /**
     * @return BasePackage
     */
    public function getAliasOf() {
        return $this->aliasOf;
    }
    
    /**
     * @inheritDoc
     */
    public function getVersion() : string {
        return $this->version;
    }
    
    /**
     * @inheritDoc
     */
    public function getStability() : string {
        return $this->stability;
    }
    
    /**
     * @inheritDoc
     */
    public function getPrettyVersion() : string {
        return $this->prettyVersion;
    }
    
    /**
     * @inheritDoc
     */
    public function isDev() : bool {
        return $this->dev;
    }
    
    /**
     * @inheritDoc
     */
    public function getRequires() : array {
        return $this->requires;
    }
    
    /**
     * @inheritDoc
     * @return array<string|int, Link>
     */
    public function getConflicts() : array {
        return $this->conflicts;
    }
    
    /**
     * @inheritDoc
     * @return array<string|int, Link>
     */
    public function getProvides() : array {
        return $this->provides;
    }
    
    /**
     * @inheritDoc
     * @return array<string|int, Link>
     */
    public function getReplaces() : array {
        return $this->replaces;
    }
    
    /**
     * @inheritDoc
     */
    public function getDevRequires() : array {
        return $this->devRequires;
    }
    
    /**
     * Stores whether this is an alias created by an aliasing in the requirements of the root package or not
     *
     * Use by the policy for sorting manually aliased packages first, see #576
     */
    public function setRootPackageAlias(bool $value) : void {
        $this->rootPackageAlias = $value;
    }
    
    /**
     * @see setRootPackageAlias
     */
    public function isRootPackageAlias() : bool {
        return $this->rootPackageAlias;
    }
    
    /**
     * @param Link[]       $links
     * @param Link::TYPE_* $linkType
     *
     * @return Link[]
     */
    protected function replaceSelfVersionDependencies(array $links, $linkType) : array {
        // for self.version requirements, we use the original package's branch name instead, to avoid leaking the magic dev-master-alias to users
        $prettyVersion = $this->prettyVersion;
        if ($prettyVersion === VersionParser::DEFAULT_BRANCH_ALIAS) {
            $prettyVersion = $this->aliasOf
                ->getPrettyVersion();
        }
        if (\in_array($linkType, [
            Link::TYPE_CONFLICT,
            Link::TYPE_PROVIDE,
            Link::TYPE_REPLACE,
        ], true)) {
            $newLinks = [];
            foreach ($links as $link) {
                // link is self.version, but must be replacing also the replaced version
                if ('self.version' === $link->getPrettyConstraint()) {
                    $newLinks[] = new Link($link->getSource(), $link->getTarget(), $constraint = new Constraint('=', $this->version), $linkType, $prettyVersion);
                    $constraint->setPrettyString($prettyVersion);
                }
            }
            $links = array_merge($links, $newLinks);
        }
        else {
            foreach ($links as $index => $link) {
                if ('self.version' === $link->getPrettyConstraint()) {
                    if ($linkType === Link::TYPE_REQUIRE) {
                        $this->hasSelfVersionRequires = true;
                    }
                    $links[$index] = new Link($link->getSource(), $link->getTarget(), $constraint = new Constraint('=', $this->version), $linkType, $prettyVersion);
                    $constraint->setPrettyString($prettyVersion);
                }
            }
        }
        return $links;
    }
    public function hasSelfVersionRequires() : bool {
        return $this->hasSelfVersionRequires;
    }
    public function __toString() : string {
        return parent::__toString() . ' (' . ($this->rootPackageAlias ? 'root ' : '') . 'alias of ' . $this->aliasOf
            ->getVersion() . ')';
    }
    
    /***************************************
     * Wrappers around the aliased package *
     ***************************************/
    public function getType() : string {
        return $this->aliasOf
            ->getType();
    }
    public function getTargetDir() : ?string {
        return $this->aliasOf
            ->getTargetDir();
    }
    public function getExtra() : array {
        return $this->aliasOf
            ->getExtra();
    }
    public function setInstallationSource(?string $type) : void {
        $this->aliasOf
            ->setInstallationSource($type);
    }
    public function getInstallationSource() : ?string {
        return $this->aliasOf
            ->getInstallationSource();
    }
    public function getSourceType() : ?string {
        return $this->aliasOf
            ->getSourceType();
    }
    public function getSourceUrl() : ?string {
        return $this->aliasOf
            ->getSourceUrl();
    }
    public function getSourceUrls() : array {
        return $this->aliasOf
            ->getSourceUrls();
    }
    public function getSourceReference() : ?string {
        return $this->aliasOf
            ->getSourceReference();
    }
    public function setSourceReference(?string $reference) : void {
        $this->aliasOf
            ->setSourceReference($reference);
    }
    public function setSourceMirrors(?array $mirrors) : void {
        $this->aliasOf
            ->setSourceMirrors($mirrors);
    }
    public function getSourceMirrors() : ?array {
        return $this->aliasOf
            ->getSourceMirrors();
    }
    public function getDistType() : ?string {
        return $this->aliasOf
            ->getDistType();
    }
    public function getDistUrl() : ?string {
        return $this->aliasOf
            ->getDistUrl();
    }
    public function getDistUrls() : array {
        return $this->aliasOf
            ->getDistUrls();
    }
    public function getDistReference() : ?string {
        return $this->aliasOf
            ->getDistReference();
    }
    public function setDistReference(?string $reference) : void {
        $this->aliasOf
            ->setDistReference($reference);
    }
    public function getDistSha1Checksum() : ?string {
        return $this->aliasOf
            ->getDistSha1Checksum();
    }
    public function setTransportOptions(array $options) : void {
        $this->aliasOf
            ->setTransportOptions($options);
    }
    public function getTransportOptions() : array {
        return $this->aliasOf
            ->getTransportOptions();
    }
    public function setDistMirrors(?array $mirrors) : void {
        $this->aliasOf
            ->setDistMirrors($mirrors);
    }
    public function getDistMirrors() : ?array {
        return $this->aliasOf
            ->getDistMirrors();
    }
    public function getAutoload() : array {
        return $this->aliasOf
            ->getAutoload();
    }
    public function getDevAutoload() : array {
        return $this->aliasOf
            ->getDevAutoload();
    }
    public function getIncludePaths() : array {
        return $this->aliasOf
            ->getIncludePaths();
    }
    public function getPhpExt() : ?array {
        return $this->aliasOf
            ->getPhpExt();
    }
    public function getReleaseDate() : ?\DateTimeInterface {
        return $this->aliasOf
            ->getReleaseDate();
    }
    public function getBinaries() : array {
        return $this->aliasOf
            ->getBinaries();
    }
    public function getSuggests() : array {
        return $this->aliasOf
            ->getSuggests();
    }
    public function getNotificationUrl() : ?string {
        return $this->aliasOf
            ->getNotificationUrl();
    }
    public function isDefaultBranch() : bool {
        return $this->aliasOf
            ->isDefaultBranch();
    }
    public function setDistUrl(?string $url) : void {
        $this->aliasOf
            ->setDistUrl($url);
    }
    public function setDistType(?string $type) : void {
        $this->aliasOf
            ->setDistType($type);
    }
    public function setSourceDistReferences(string $reference) : void {
        $this->aliasOf
            ->setSourceDistReferences($reference);
    }

}