/**
 * Copyright 2005-2016 The Kuali Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
 *
 * 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 org.kuali.rice.kim.impl.permission;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.Transient;
import javax.persistence.Convert;

import org.apache.commons.lang.StringUtils;
import org.kuali.rice.krad.bo.PersistableBusinessObjectBase;
import org.kuali.rice.krad.data.jpa.converters.BooleanYNConverter;

@Entity
@Table(name = "KRIM_PERM_T")
public class GenericPermissionBo extends PersistableBusinessObjectBase {

    private static final long serialVersionUID = 1L;

    @Id
    @Column(name = "PERM_ID")
    protected String id;

    @Column(name = "NMSPC_CD")
    protected String namespaceCode;

    @Column(name = "NM")
    protected String name;

    @Column(name = "DESC_TXT")
    protected String description;

    @Column(name = "ACTV_IND")
    @Convert(converter = BooleanYNConverter.class)
    protected boolean active;

    @Column(name = "PERM_TMPL_ID")
    protected String templateId;

    protected String detailValues;

    protected Map<String, String> details;

    protected PermissionTemplateBo template = new PermissionTemplateBo();

    protected List<PermissionAttributeBo> attributeDetails;

    /**
     * This constructs a ...
     *
     */
    public GenericPermissionBo() {
    }

    public GenericPermissionBo(PermissionBo perm) {
        loadFromPermission(perm);
    }

    public void loadFromPermission(PermissionBo perm) {
        setId(perm.getId());
        setNamespaceCode(perm.getNamespaceCode());
        setTemplate(perm.getTemplate());
        setAttributeDetails(perm.getAttributeDetails());
        setDetailValues(perm.getDetailObjectsValues());
        setName(perm.getName());
        setTemplateId(perm.getTemplateId());
        setDescription(perm.getDescription());
        setActive(perm.isActive());
        setDetails(perm.getAttributes());
        setVersionNumber(perm.getVersionNumber());
        setObjectId(perm.getObjectId());
    }

    public String getDetailValues() {
        /*StringBuffer sb = new StringBuffer();
        if ( details != null ) {
            Iterator<String> keyIter = details.keySet().iterator();
            while ( keyIter.hasNext() ) {
                String key = keyIter.next();
                sb.append( key ).append( '=' ).append( details.get( key ) );
                if ( keyIter.hasNext() ) {
                    sb.append( '\n' );
                }
            }
        }
        return sb.toString();*/
        return detailValues;
    }

    public void setDetailValues(String detailValues) {
        this.detailValues = detailValues;
    }

    public void setDetailValues(Map<String, String> detailsAttribs) {
        StringBuffer sb = new StringBuffer();
        if (detailsAttribs != null) {
            Iterator<String> keyIter = detailsAttribs.keySet().iterator();
            while (keyIter.hasNext()) {
                String key = keyIter.next();
                sb.append(key).append('=').append(detailsAttribs.get(key));
                if (keyIter.hasNext()) {
                    sb.append('\n');
                }
            }
        }
        detailValues = sb.toString();
    }

    public boolean isActive() {
        return active;
    }

    public void setActive(boolean active) {
        this.active = active;
    }

    public String getDescription() {
        return description;
    }

    public String getId() {
        return id;
    }

    public String getName() {
        return name;
    }

    public PermissionTemplateBo getTemplate() {
        return template;
    }

    public void setDescription(String permissionDescription) {
        this.description = permissionDescription;
    }

    public void setName(String permissionName) {
        this.name = permissionName;
    }

    public void setDetails(Map<String, String> details) {
        this.details = details;
        setDetailValues(details);
    }

    public String getTemplateId() {
        return this.templateId;
    }

    public void setTemplateId(String templateId) {
        this.templateId = templateId;
    }

    public void setTemplate(PermissionTemplateBo template) {
        this.template = template;
    }

    public Map<String, String> getDetails() {
        String detailValuesTemp = this.detailValues;
        Map<String, String> detailsTemp = new HashMap<String, String>();
        if (detailValuesTemp != null) {
            // ensure that all line delimiters are single linefeeds
            detailValuesTemp = detailValuesTemp.replace("\r\n", "\n");
            detailValuesTemp = detailValuesTemp.replace('\r', '\n');
            if (StringUtils.isNotBlank(detailValuesTemp)) {
                String[] values = detailValuesTemp.split("\n");
                for (String attrib : values) {
                    if (attrib.indexOf('=') != -1) {
                        String[] keyValueArray = attrib.split("=", 2);
                        detailsTemp.put(keyValueArray[0].trim(), keyValueArray[1].trim());
                    }
                }
            }
        }
        this.details = detailsTemp;
        return details;
    }

    public String getNamespaceCode() {
        return this.namespaceCode;
    }

    public void setNamespaceCode(String namespaceCode) {
        this.namespaceCode = namespaceCode;
    }

    public void setId(String id) {
        this.id = id;
    }

    public List<PermissionAttributeBo> getAttributeDetails() {
        return attributeDetails;
    }

    public void setAttributeDetails(List<PermissionAttributeBo> attributeDetails) {
        this.attributeDetails = attributeDetails;
    }

    @Override
    public void refreshNonUpdateableReferences() {
    }

    @Override
    public void refreshReferenceObject(String referenceObjectName) {
    }

    @Override
    protected void prePersist() {
        throw new UnsupportedOperationException("This object should never be persisted.");
    }

    @Override
    protected void preUpdate() {
        throw new UnsupportedOperationException("This object should never be persisted.");
    }

    @Override
    protected void preRemove() {
        throw new UnsupportedOperationException("This object should never be persisted.");
    }

    public static PermissionBo toPermissionBo(GenericPermissionBo bo) {
        PermissionBo permission = new PermissionBo();
        permission.setTemplateId(bo.getTemplateId());
        permission.setId(bo.getId());
        permission.setTemplate(bo.getTemplate());
        permission.setActive(bo.isActive());
        permission.setDescription(bo.getDescription());
        permission.setName(bo.getName());
        permission.setNamespaceCode(bo.namespaceCode);
        permission.setAttributeDetails(bo.getAttributeDetails());
        permission.setAttributes(bo.getDetails());
        permission.setVersionNumber(bo.versionNumber);
        permission.setObjectId(bo.getObjectId());
        return permission;
    }
}