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package org.apache.juneau.jsonschema;

import java.lang.reflect.*;

import org.apache.juneau.*;
import org.apache.juneau.jsonschema.annotation.*;
import org.apache.juneau.parser.*;

/**
 * Metadata on bean properties specific to the JSON-Schema pulled from the {@link Schema @Schema} annotation
 * on the bean property.
 */
public class JsonSchemaBeanPropertyMeta extends ExtendedBeanPropertyMeta {

	/**
	 * Default instance.
	 */
	public static final JsonSchemaBeanPropertyMeta DEFAULT = new JsonSchemaBeanPropertyMeta();

	private final ObjectMap schema;

	/**
	 * Constructor.
	 *
	 * @param bpm The metadata of the bean property of this additional metadata.
	 * @param mp JSON-schema metadata provider (for finding information about other artifacts).
	 */
	public JsonSchemaBeanPropertyMeta(BeanPropertyMeta bpm, JsonSchemaMetaProvider mp) {
		super(bpm);

		this.schema = new ObjectMap();

		Field field = bpm.getInnerField();
		Method getter = bpm.getGetter(), setter = bpm.getSetter();

		try {
			if (field != null)
				schema.appendAll(SchemaUtils.asMap(mp.getAnnotation(Schema.class, field)));
			if (getter != null)
				schema.appendAll(SchemaUtils.asMap(mp.getAnnotation(Schema.class, getter)));
			if (setter != null)
				schema.appendAll(SchemaUtils.asMap(mp.getAnnotation(Schema.class, setter)));
		} catch (ParseException e) {
			throw new RuntimeException(e);
		}
	}

	private JsonSchemaBeanPropertyMeta() {
		super(null);
		this.schema = ObjectMap.EMPTY_MAP;
	}

	/**
	 * Returns the schema information gathered from all the {@link Schema @Schema} annotations on the bean property.
	 *
	 * @return The schema information as a generic map.  Never <jk>null</jk>.
	 */
	protected ObjectMap getSchema() {
		return schema;
	}
}