package ca.uhn.fhir.rest.method;

/*
 * #%L
 * HAPI FHIR - Core Library
 * %%
 * Copyright (C) 2014 - 2015 University Health Network
 * %%
 * 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.
 * #L%
 */

import java.io.IOException;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.Set;

import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.model.api.IResource;
import ca.uhn.fhir.model.dstu.valueset.RestfulOperationSystemEnum;
import ca.uhn.fhir.model.dstu.valueset.RestfulOperationTypeEnum;
import ca.uhn.fhir.rest.annotation.Create;
import ca.uhn.fhir.rest.client.BaseHttpClientInvocation;
import ca.uhn.fhir.rest.method.SearchMethodBinding.RequestType;

public class CreateMethodBinding extends BaseOutcomeReturningMethodBindingWithResourceParam {

	public CreateMethodBinding(Method theMethod, FhirContext theContext, Object theProvider) {
		super(theMethod, theContext, Create.class, theProvider);
	}

	@Override
	public RestfulOperationTypeEnum getResourceOperationType() {
		return RestfulOperationTypeEnum.CREATE;
	}

	@Override
	public RestfulOperationSystemEnum getSystemOperationType() {
		return null;
	}

	@Override
	protected Set<RequestType> provideAllowableRequestTypes() {
		return Collections.singleton(RequestType.POST);
	}

	@Override
	protected IResource parseIncomingServerResource(Request theRequest) throws IOException {
		IResource retVal = super.parseIncomingServerResource(theRequest);
		
		if (theRequest.getId() != null && theRequest.getId().hasIdPart()) {
			retVal.setId(theRequest.getId());
		}
		
		return retVal;
	}

	
	@Override
	protected BaseHttpClientInvocation createClientInvocation(Object[] theArgs, IResource theResource) {
		FhirContext context = getContext();

		BaseHttpClientInvocation retVal = MethodUtil.createCreateInvocation(theResource, context);

		if (theArgs != null) {
			for (int idx = 0; idx < theArgs.length; idx++) {
				IParameter nextParam = getParameters().get(idx);
				nextParam.translateClientArgumentIntoQueryArgument(getContext(), theArgs[idx], null, null);
			}
		}

		return retVal;
	}

	@Override
	protected String getMatchingOperation() {
		return null;
	}

}
