<?php
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namespace JVBase\managers\SEO;
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use JVBase\managers\SEO\schemas\SchemaResolverInterface;
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use JVBase\managers\SEO\schemas\resolvers\BaseResolver;
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/**
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* Registry mapping schema types to their resolvers.
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* Like Queue's TypeRegistry maps operation types to executors.
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*/
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class SchemaResolverRegistry
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{
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private static ?self $instance = null;
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private array $resolvers = [];
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private BaseResolver $default;
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private function __construct()
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{
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$this->default = new BaseResolver();
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$this->registerDefaults();
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do_action(BASE . 'schema_resolvers_loaded', $this);
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}
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public static function getInstance(): self
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{
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if (self::$instance === null) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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public function register(string $schemaType, SchemaResolverInterface $resolver): void
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{
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$this->resolvers[$schemaType] = $resolver;
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}
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public function get(string $schemaType): SchemaResolverInterface
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{
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// Check exact match, then parent chain
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if (isset($this->resolvers[$schemaType])) {
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return $this->resolvers[$schemaType];
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}
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// Check parent type (TattooParlor → LocalBusiness → Organization)
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$builder = SchemaBuilder::getInstance();
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$typeDef = $builder->getTypeDefinition($schemaType);
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if ($typeDef && !empty($typeDef['extends'])) {
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return $this->get($typeDef['extends']);
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}
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return $this->default;
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}
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private function registerDefaults(): void
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{
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// Register type-specific resolvers
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// Extensible via the action hook above
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}
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}
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