/*
 * eGov suite of products aim to improve the internal efficiency,transparency,
 *    accountability and the service delivery of the government  organizations.
 *
 *     Copyright (C) <2015>  eGovernments Foundation
 *
 *     The updated version of eGov suite of products as by eGovernments Foundation
 *     is available at http://www.egovernments.org
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     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 General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program. If not, see http://www.gnu.org/licenses/ or
 *     http://www.gnu.org/licenses/gpl.html .
 *
 *     In addition to the terms of the GPL license to be adhered to in using this
 *     program, the following additional terms are to be complied with:
 *
 *         1) All versions of this program, verbatim or modified must carry this
 *            Legal Notice.
 *
 *         2) Any misrepresentation of the origin of the material is prohibited. It
 *            is required that all modified versions of this material be marked in
 *            reasonable ways as different from the original version.
 *
 *         3) This license does not grant any rights to any user of the program
 *            with regards to rights under trademark law for use of the trade names
 *            or trademarks of eGovernments Foundation.
 *
 *   In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org.
 */
package org.egov.wtms.integration;

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.egov.infra.filestore.entity.FileStoreMapper;
import org.egov.infra.filestore.service.FileStoreService;
import org.egov.wtms.application.entity.WaterConnectionDetails;
import org.egov.wtms.application.service.WaterConnectionDetailsService;
import org.egov.wtms.utils.constants.WaterTaxConstants;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;

public class WaterChargesThirdPartyService {

    @Autowired
    @Qualifier("fileStoreService")
    protected FileStoreService fileStoreService;

    private final WaterConnectionDetailsService waterConnectionDetailsService;

    @Autowired
    public WaterChargesThirdPartyService(final WaterConnectionDetailsService waterConnectionDetailsService) {
        this.waterConnectionDetailsService = waterConnectionDetailsService;
    }

    public byte[] getEstimationNotice(final String applicationNo) throws IOException {
        WaterConnectionDetails waterConnectionDetails = null;
        if (StringUtils.isNotBlank(applicationNo))
            waterConnectionDetails = waterConnectionDetailsService.findByApplicationNumber(applicationNo);
        if (waterConnectionDetails != null && waterConnectionDetails.getFileStore() != null) {
            final FileStoreMapper fsm = waterConnectionDetails.getFileStore();
            final File file = fileStoreService.fetch(fsm, WaterTaxConstants.FILESTORE_MODULECODE);
            return FileUtils.readFileToByteArray(file);
        } else
            return null;
    }

    public Map<String, String> validateWaterConnectionStatus(final String applicationNo) {
        final WaterConnectionDetails waterConnectionDetails = waterConnectionDetailsService
                .findByApplicationNumber(applicationNo);
        final Map<String, String> statusCommentsMap = new HashMap<String, String>();
        if (waterConnectionDetails.getStatus().getCode().equals(WaterTaxConstants.APPLICATION_STATUS_CREATED)
                || waterConnectionDetails.getStatus().getCode().equals(WaterTaxConstants.APPLICATION_STATUS_VERIFIED)
                || waterConnectionDetails.getStatus().getCode()
                .equals(WaterTaxConstants.APPLICATION_STATUS_ESTIMATENOTICEGEN)
                || waterConnectionDetails.getStatus().getCode().equals(WaterTaxConstants.APPLICATION_STATUS_FEEPAID)) {
            statusCommentsMap.put("status", WaterTaxConstants.OPEN);
            statusCommentsMap.put("comments", waterConnectionDetails.getState().getComments());
            statusCommentsMap.put("updatedBy", waterConnectionDetails.getState().getLastModifiedBy().getName());
        } else if (waterConnectionDetails.getStatus().getCode().equals(WaterTaxConstants.APPLICATION_STATUS_SANCTIONED)) {
            statusCommentsMap.put("status", WaterTaxConstants.APPROVED);
            statusCommentsMap.put("comments", waterConnectionDetails.getState().getComments());
            statusCommentsMap.put("updatedBy", waterConnectionDetails.getState().getLastModifiedBy().getName());
        } else if (waterConnectionDetails.getStatus().getCode().equals(WaterTaxConstants.APPLICATION_STATUS_CANCELLED)) {
            statusCommentsMap.put("status", WaterTaxConstants.WF_STATE_REJECTED);
            statusCommentsMap.put("comments", waterConnectionDetails.getState().getComments());
            statusCommentsMap.put("updatedBy", waterConnectionDetails.getState().getLastModifiedBy().getName());
        }
        return statusCommentsMap;
    }
}