fos_elastica:
    clients:
        default:
            host: '%env(ELASTICSEARCH_HOST)%'
            port: '%env(int:ELASTICSEARCH_PORT)%'
            username: '%env(ELASTICSEARCH_USERNAME)%'
            password: '%env(ELASTICSEARCH_PASSWORD)%'
    indexes:
        # create the index by running php bin/console fos:elastica:populate
        articles:
            index_name: '%env(ELASTICSEARCH_INDEX_NAME)%'
            settings:                    
                index:
                    # Increase refresh interval for better write performance
                    refresh_interval: "5s"
                    # Optimize indexing
                    number_of_shards: 1
                    number_of_replicas: 0
                    # Add query cache settings for faster repeated searches
                    queries:
                        cache:
                            enabled: true
                    # Optimize for search performance
                    max_result_window: 10000
                analysis:
                    normalizer:
                        topic_norm:
                            type: custom
                            filter: [ lowercase, asciifolding ]  # case & accent insensitive
                    analyzer:
                        custom_analyzer:
                            type: custom
                            tokenizer: standard
                            filter: [ lowercase, snowball, asciifolding ]
            indexable_callback: [ 'App\Util\IndexableArticleChecker', 'isIndexable' ]
            properties:
                createdAt:
                    type: keyword
                title:
                    type: text
                    analyzer: custom_analyzer
                    # Add term_vector for faster phrase queries
                    term_vector: with_positions_offsets
                    copy_to: search_combined
                content:
                    type: text
                    analyzer: custom_analyzer
                    # Don't store norms for content to save space and improve speed
                    norms: false
                    copy_to: search_combined
                summary:
                    type: text
                    analyzer: custom_analyzer
                    term_vector: with_positions_offsets
                    copy_to: search_combined
                slug:
                    type: keyword
                    # Enable doc_values for faster sorting/aggregations
                    doc_values: true
                pubkey:
                    type: keyword
                topics:
                    type: keyword
                    normalizer: topic_norm
                search_combined:
                    type: text
                    analyzer: standard
            persistence:
                driver: orm
                model: App\Entity\Article
                provider: ~
                listener: ~
                finder: ~