<?php

namespace ActivityPhp\Type;

use ActivityPhp\Type\Core\ObjectType;
use Exception;

/**
 * \ActivityPhp\Type\TypeResolver is an abstract class for
 * resolving class names called by their short names (AS types).
 */
abstract class TypeResolver
{
    /**
     * A list of core types
     *
     * @var array
     */
    protected static $coreTypes = [
        'Activity',
        'Collection',
        'CollectionPage',
        'IntransitiveActivity',
        'Link',
        'ObjectType',
        'OrderedCollection',
        'OrderedCollectionPage',
        'Object',
    ];

    /**
     * A list of actor types
     *
     * @var array
     */
    protected static $actorTypes = ['Application', 'Group', 'Organization', 'Person', 'Service'];

    /**
     * A list of activity types
     *
     * @var array
     */
    protected static $activityTypes = [
        'Accept',
        'Add',
        'Announce',
        'Arrive',
        'Block',
        'Create',
        'Delete',
        'Dislike',
        'Flag',
        'Follow',
        'Ignore',
        'Invite',
        'Join',
        'Leave',
        'Like',
        'Listen',
        'Move',
        'Offer',
        'Question',
        'Read',
        'Reject',
        'Remove',
        'TentativeAccept',
        'TentativeReject',
        'Travel',
        'Undo',
        'Update',
        'View',
    ];

    /**
     * A list of object types
     *
     * @var array
     */
    protected static $objectTypes = [
        'Article',
        'Audio',
        'Document',
        'Event',
        'Image',
        'Mention',
        'Note',
        'Page',
        'Place',
        'Profile',
        'Relationship',
        'Tombstone',
        'Video',
    ];

    /**
     * A list of custom types
     *
     * @var array
     */
    protected static $customTypes = [];

    /**
     * A list of dialect types
     *
     * @var array
     */
    protected static $dialectTypes = [];

    /**
     * Add a custom type definition in the pool.
     *
     * @param  string $name A short name.
     * @param  string $class Fully qualified class name.
     * @throws \Exception if class does not exist
     */
    public static function addCustomType(string $name, string $class)
    {
        if (!class_exists($class)) {
            throw new Exception(
                sprintf(
                    'Class "%s" is not defined',
                    $class
                )
            );
        }

        self::$customTypes[$name] = $class;
    }

    /**
     * Get namespaced class for a given short type
     *
     * @param  string $type
     * @return string Related namespace
     * @throw  \Exception if a namespace was not found.
     */
    public static function getClass($type)
    {
        $ns = __NAMESPACE__;

        if ($type == 'Object') {
            $type .= 'Type';
        }

        switch ($type) {
            // Custom dialect types
            case in_array($type, self::$dialectTypes):
                $class = new ObjectType();
                $class->type = $type;
                return $class;
            // Custom classes by facades
            case isset(self::$customTypes[$type]):
                return self::$customTypes[$type];
            case in_array($type, self::$coreTypes):
                $ns .= '\Core';
                break;
            case in_array($type, self::$activityTypes):
                $ns .= '\Extended\Activity';
                break;
            case in_array($type, self::$actorTypes):
                $ns .= '\Extended\Actor';
                break;
            case in_array($type, self::$objectTypes):
                $ns .= '\Extended\Object';
                break;
            default:
                if (TypeConfiguration::get('undefined_properties') == 'strict') {
                    throw new Exception(
                        "Undefined scope for type '$type'"
                    );
                }

                // Undefined types are defined on the fly
                $class = new ObjectType();
                $class->type = $type;
                return $class;
        }

        return $ns . '\\' . $type;
    }

    /**
     * Validate an object pool type with type attribute
     *
     * @param  object $item
     * @param  string $poolname An expected pool name
     * @return bool
     */
    public static function isScope($item, string $poolname = 'all')
    {
        if (!is_object($item)
            || !isset($item->type)
            || !is_string($item->type)
        ) {
            return false;
        }

        switch (strtolower($poolname)) {
            case 'all':
                return self::exists($item->type);
            case 'actor':
                return in_array($item->type, self::$actorTypes);
        }

        return false;
    }

    /**
     * Verify that a type exists
     *
     * @param  string $name
     * @return bool
     */
    public static function exists(string $name)
    {
        return in_array(
            $name,
            array_merge(
                self::$coreTypes,
                self::$activityTypes,
                self::$actorTypes,
                self::$objectTypes,
                self::$dialectTypes
            )
        );
    }

    /**
     * Define a new dialect type
     *
     * @param  string $name
     */
    public static function addDialectType(string $name)
    {
        if (!self::exists($name)) {
            array_push(self::$dialectTypes, $name);
        }
    }

    /**
     * Remove a dialect type
     *
     * @param  string $name
     */
    public static function removeDialectType(string $name)
    {
        if (self::exists($name)) {
            foreach (self::$dialectTypes as $key => $value) {
                if ($name == $value) {
                    array_splice(self::$dialectTypes, $key, 1);
                    return;
                }
            }
        }
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTM3MDkwMzg1OTQyMjA0OSA3MTk4OTcxMjQ1NTI1NDkwIDQyNTcwNzA4Nzk4NjkwNTk=