/*
 * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.controller.binding.generator.util.generated.type.builder;

import org.opendaylight.controller.sal.binding.model.api.AccessModifier;
import org.opendaylight.controller.sal.binding.model.api.AnnotationType;
import org.opendaylight.controller.sal.binding.model.api.MethodSignature;
import org.opendaylight.controller.sal.binding.model.api.Type;

import java.util.Collections;
import java.util.List;

class MethodSignatureImpl extends AbstractTypeMember implements MethodSignature {

    private final List<Parameter> params;
    private final boolean isAbstract;

    public MethodSignatureImpl(final Type definingType, final String name,
                               final List<AnnotationType> annotations,
                               final String comment, final AccessModifier accessModifier,
                               final Type returnType, final List<Parameter> params, boolean isFinal,
                               boolean isAbstract) {
        super(definingType, name, annotations, comment, accessModifier, returnType, isFinal);
        this.params = Collections.unmodifiableList(params);
        this.isAbstract = isAbstract;
    }

    @Override
    public boolean isAbstract() {
        return isAbstract;
    }

    @Override
    public List<Parameter> getParameters() {
        return params;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((getName() == null) ? 0 : getName().hashCode());
        result = prime * result
                + ((params == null) ? 0 : params.hashCode());
        result = prime * result
                + ((getReturnType() == null) ? 0 : getReturnType().hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        MethodSignatureImpl other = (MethodSignatureImpl) obj;
        if (getName() == null) {
            if (other.getName() != null) {
                return false;
            }
        } else if (!getName().equals(other.getName())) {
            return false;
        }
        if (params == null) {
            if (other.params != null) {
                return false;
            }
        } else if (!params.equals(other.params)) {
            return false;
        }
        if (getReturnType() == null) {
            if (other.getReturnType() != null) {
                return false;
            }
        } else if (!getReturnType().equals(other.getReturnType())) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        StringBuilder builder = new StringBuilder();
        builder.append("MethodSignatureImpl [name=");
        builder.append(getName());
        builder.append(", comment=");
        builder.append(getComment());
        if (getDefiningType() != null) {
            builder.append(", definingType=");
            builder.append(getDefiningType().getPackageName());
            builder.append(".");
            builder.append(getDefiningType().getName());
        } else {
            builder.append(", definingType= null");
        }
        builder.append(", returnType=");
        builder.append(getReturnType());
        builder.append(", params=");
        builder.append(params);
        builder.append(", annotations=");
        builder.append(getAnnotations());
        builder.append("]");
        return builder.toString();
    }
}