<?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:----NDU0ODc2NDU0ODk0NDYyMCA2MDYwOTIzNjc4Njk3NzkgMTI5NjQ3MDEwNzYyMTM4OQ==