/*
 * The Kuali Financial System, a comprehensive financial management system for higher education.
 * 
 * Copyright 2005-2014 The Kuali Foundation
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kuali.kfs.module.ld.document.authorization;

import java.util.Map;

import org.kuali.kfs.module.ld.LaborPropertyConstants;
import org.kuali.kfs.sys.KFSConstants;
import org.kuali.kfs.sys.KFSKeyConstants;
import org.kuali.kfs.sys.KFSPropertyConstants;
import org.kuali.kfs.sys.businessobject.AccountingLine;
import org.kuali.kfs.sys.context.SpringContext;
import org.kuali.kfs.sys.document.AccountingDocument;
import org.kuali.kfs.sys.document.authorization.AccountingLineAuthorizerBase;
import org.kuali.kfs.sys.document.web.AccountingLineRenderingContext;
import org.kuali.kfs.sys.document.web.AccountingLineViewAction;
import org.kuali.rice.core.api.config.property.ConfigurationService;
import org.kuali.rice.krad.util.KRADConstants;

/**
 * Data dictionary definition that includes metadata for an accounting document about one of its groups of accounting lines
 * (typically source vs. target, but this should open things up).
 */
public class LaborExpenseTransferAccountingLineAuthorizer extends AccountingLineAuthorizerBase {
   
    /**
     * @see org.kuali.kfs.sys.document.authorization.AccountingLineAuthorizerBase#determineEditPermissionOnField(org.kuali.kfs.sys.document.AccountingDocument, org.kuali.kfs.sys.businessobject.AccountingLine, java.lang.String, java.lang.String)
     */
    @Override
    public boolean determineEditPermissionOnField(AccountingDocument accountingDocument, AccountingLine accountingLine, String accountingLineCollectionProperty, String fieldName, boolean editablePage) {
        
        if (fieldName.equals(KFSPropertyConstants.AMOUNT)) {
            return true;
        }
        
        if (fieldName.equals(LaborPropertyConstants.PAYROLL_TOTAL_HOURS)) {
            return true;
        }
        
        return super.determineEditPermissionOnField(accountingDocument, accountingLine, accountingLineCollectionProperty, fieldName, editablePage);
    }
    
    /**
     * @see org.kuali.kfs.sys.document.authorization.AccountingLineAuthorizerBase#getActionMap(org.kuali.kfs.sys.businessobject.AccountingLine,
     *      java.lang.String, java.lang.Integer, java.lang.String)
     */
    @Override
    protected Map<String, AccountingLineViewAction> getActionMap(AccountingLineRenderingContext accountingLineRenderingContext, String accountingLinePropertyName, Integer accountingLineIndex, String groupTitle) {
        Map<String, AccountingLineViewAction> actionMap = super.getActionMap(accountingLineRenderingContext, accountingLinePropertyName, accountingLineIndex, groupTitle);

        if (accountingLineRenderingContext.getAccountingLine().isSourceAccountingLine()) {
            AccountingLineViewAction copyAction = this.getCopyAction(accountingLineRenderingContext.getAccountingLine(), accountingLinePropertyName, accountingLineIndex, groupTitle);
            actionMap.put(KFSConstants.COPY_METHOD, copyAction);
        }

        return actionMap;
    }

    /**
     * construct the copy action for the given accounting line, typically, a new accounting line
     * 
     * @param accountingLine the given accounting line
     * @param accountingLinePropertyName the property name of the given account line, typically, the form name
     * @param accountingLineIndex the index of the given accounting line in its accounting line group
     * @param groupTitle the title of the accounting line group
     * @return the copy action for the given accounting line
     */
    protected AccountingLineViewAction getCopyAction(AccountingLine accountingLine, String accountingLinePropertyName, Integer accountingLineIndex, String groupTitle) {
        String actionMethod = this.getCopyLineMethod(accountingLine, accountingLinePropertyName, accountingLineIndex);
        String actionLabel = this.getActionLabel(KFSKeyConstants.AccountingLineViewRendering.ACCOUNTING_LINE_COPY_ACTION_LABEL, groupTitle, accountingLineIndex + 1);

        ConfigurationService kualiConfigurationService = SpringContext.getBean(ConfigurationService.class);
        String imagesPath = kualiConfigurationService.getPropertyValueAsString(KRADConstants.APPLICATION_EXTERNALIZABLE_IMAGES_URL_KEY);
        String actionImageName = imagesPath + "tinybutton-copy2.gif";

        return new AccountingLineViewAction(actionMethod, actionLabel, actionImageName);
    }

    /**
     * Builds the action method name of the method that deletes accounting lines for this group
     * 
     * @param accountingLine the accounting line an action is being checked for
     * @param accountingLinePropertyName the property name of the accounting line
     * @param accountingLineIndex the index of the given accounting line within the the group being rendered
     * @return the action method name of the method that deletes accounting lines for this group
     */
    protected String getCopyLineMethod(AccountingLine accountingLine, String accountingLineProperty, Integer accountingLineIndex) {
        final String infix = getActionInfixForExtantAccountingLine(accountingLine, accountingLineProperty);
        return "copyAccountingLine.line" + accountingLineIndex + ".anchoraccounting" + infix + "Anchor";
    }
}