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/**
 * Copyright 2013, 2022 International Business Machines Corp.
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. Licensed under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.ibm.jbatch.container.cdi;

import java.lang.annotation.Annotation;
import java.util.List;
import java.util.Set;

import jakarta.batch.api.BatchProperty;
import jakarta.batch.runtime.BatchRuntime;
import jakarta.batch.operations.JobOperator;
import jakarta.batch.runtime.context.JobContext;
import jakarta.batch.runtime.context.StepContext;
import jakarta.enterprise.context.Dependent;
import jakarta.enterprise.inject.Produces;
import jakarta.enterprise.inject.spi.Annotated;
import jakarta.enterprise.inject.spi.Bean;
import jakarta.enterprise.inject.spi.InjectionPoint;

import com.ibm.jbatch.container.artifact.proxy.ProxyFactory;
import com.ibm.jbatch.container.util.DependencyInjectionUtility;
import com.ibm.jbatch.jsl.model.Property;

public class BatchProducerBean {

	@Produces
	@Dependent
	@BatchProperty
	public Boolean produceBooleanProperty(InjectionPoint injectionPoint) {
		String propValStr = getStringProperty(injectionPoint);
		return Boolean.valueOf(propValStr);
	}

	@Produces
	@Dependent
	@BatchProperty
	public Double produceDoubleProperty(InjectionPoint injectionPoint) {
		String propValStr = getStringProperty(injectionPoint);
		return Double.valueOf(propValStr);
	}
	
	@Produces
	@Dependent
	@BatchProperty
	public Float produceFloatProperty(InjectionPoint injectionPoint) {
		String propValStr = getStringProperty(injectionPoint);
		return Float.valueOf(propValStr);
	}
	
	@Produces
	@Dependent
	@BatchProperty
	public Integer produceIntProperty(InjectionPoint injectionPoint) {
		String propValStr = getStringProperty(injectionPoint);
		return Integer.valueOf(propValStr);
	}
	
	@Produces
	@Dependent
	@BatchProperty
	public Long produceLongProperty(InjectionPoint injectionPoint) {
		String propValStr = getStringProperty(injectionPoint);
		return Long.valueOf(propValStr);
	}

	@Produces
	@Dependent
	@BatchProperty
	public Short produceShortProperty(InjectionPoint injectionPoint) {
		String propValStr = getStringProperty(injectionPoint);
		return Short.valueOf(propValStr);
	}

	@Produces
	@Dependent
	@BatchProperty
	public String produceStringProperty(InjectionPoint injectionPoint) {
		String propValStr = getStringProperty(injectionPoint);
		return propValStr;
	}

	private String getStringProperty(InjectionPoint injectionPoint) {

		//Seems like this is a CDI bug where null injection points are getting passed in. 
		//We should be able to ignore these as a workaround.
		if (injectionPoint != null) {
			if (ProxyFactory.getInjectionReferences() == null) {
				return null;
			}

			BatchProperty batchPropAnnotation = null;
			String batchPropName = null;
			Annotated annotated = injectionPoint.getAnnotated();
			if (annotated != null) {
				batchPropAnnotation = annotated.getAnnotation(BatchProperty.class);

				// If a name is not supplied the batch property name defaults to
				// the field name
				if (batchPropAnnotation.name().equals("")) {
					batchPropName = injectionPoint.getMember().getName();
				} else {
					batchPropName = batchPropAnnotation.name();
				}
			} else {

				// No attempt to match by field name in this path.
				Set qualifiers =  injectionPoint.getQualifiers();
				for (Annotation a : qualifiers.toArray(new Annotation[0])) {
					if (a instanceof BatchProperty) {
						BatchProperty batchPropertyAnno = (BatchProperty)a;
						batchPropName = ((BatchProperty) a).name();
						break;
					}
				}
			}
			
			if (batchPropName != null) {
				List propList = ProxyFactory.getInjectionReferences().getProps();
				return DependencyInjectionUtility.getPropertyValue(propList, batchPropName);
			}
		}

		return null;
	}

	@Produces
	@Dependent
	public JobContext getJobContext() {
		if (ProxyFactory.getInjectionReferences() != null) {
			return ProxyFactory.getInjectionReferences().getJobContext();
		} else {
			return null;
		}
	}

	@Produces
	@Dependent
	public StepContext getStepContext() {
		if (ProxyFactory.getInjectionReferences() != null) {
			return ProxyFactory.getInjectionReferences().getStepContext();
		} else {
			return null;
		}
	}
}