/**
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/.
 */
package org.mifosplatform.portfolio.group.domain;

import java.util.LinkedHashMap;
import java.util.Map;

import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

import org.mifosplatform.infrastructure.codes.domain.CodeValue;
import org.mifosplatform.infrastructure.core.api.JsonCommand;
import org.mifosplatform.portfolio.client.domain.Client;
import org.mifosplatform.portfolio.group.api.GroupingTypesApiConstants;
import org.springframework.data.jpa.domain.AbstractPersistable;

@Entity
@Table(name = "m_group_roles")
public class GroupRole extends AbstractPersistable<Long> {

    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "group_id")
    private Group group;

    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "client_id")
    private Client client;

    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "role_cv_id")
    private CodeValue role;

    public GroupRole() {
        // TODO Auto-generated constructor stub
    }

    public static final GroupRole createGroupRole(final Group group, final Client client, final CodeValue role) {
        return new GroupRole(group, client, role);
    }

    public GroupRole(final Group group, final Client client, final CodeValue role) {
        this.group = group;
        this.client = client;
        this.role = role;
    }

    public Map<String, Object> update(final JsonCommand command) {

        final Map<String, Object> actualChanges = new LinkedHashMap<>(2);

        if (command.isChangeInLongParameterNamed(GroupingTypesApiConstants.clientIdParamName, this.client.getId())) {
            final Long newValue = command.longValueOfParameterNamed(GroupingTypesApiConstants.clientIdParamName);
            actualChanges.put(GroupingTypesApiConstants.clientIdParamName, newValue);
        }

        if (command.isChangeInLongParameterNamed(GroupingTypesApiConstants.roleParamName, this.role.getId())) {
            final Long newValue = command.longValueOfParameterNamed(GroupingTypesApiConstants.roleParamName);
            actualChanges.put(GroupingTypesApiConstants.roleParamName, newValue);
        }

        return actualChanges;
    }

    public void updateRole(final CodeValue role) {
        this.role = role;
    }

    public void updateClient(final Client client) {
        this.client = client;
    }

}