package com.floreantpos.report;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.URL;
import java.util.Map;

import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.util.JRLoader;

import org.apache.commons.io.IOUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.floreantpos.Messages;
import com.floreantpos.model.Restaurant;
import com.floreantpos.model.dao.RestaurantDAO;

public class ReportUtil {
	private static Log logger = LogFactory.getLog(ReportUtil.class);

	private final static String USER_REPORT_DIR = "/printerlayouts/"; //$NON-NLS-1$
	private final static String DEFAULT_REPORT_DIR = "/com/floreantpos/report/template/"; //$NON-NLS-1$

	public static void populateRestaurantProperties(Map map) {
		RestaurantDAO dao = new RestaurantDAO();
		Restaurant restaurant = dao.get(Integer.valueOf(1));
		map.put("restaurantName", restaurant.getName()); //$NON-NLS-1$
		map.put("addressLine1", restaurant.getAddressLine1()); //$NON-NLS-1$
		map.put("addressLine2", restaurant.getAddressLine2()); //$NON-NLS-1$
		map.put("addressLine3", restaurant.getAddressLine3()); //$NON-NLS-1$
		map.put("phone", restaurant.getTelephone()); //$NON-NLS-1$
	}

	public static JasperReport getReport(String reportName) {
		InputStream resource = null;

		try {
			resource = ReceiptPrintService.class.getResourceAsStream(USER_REPORT_DIR + reportName + ".jasper"); //$NON-NLS-1$
			if (resource == null) {
				return compileReport(reportName);
			}
			else {
				return (JasperReport) JRLoader.loadObject(resource);
			}
		} catch (Exception e) {
			logger.error(Messages.getString("ReportUtil.8") + reportName + " from user directory, loading default report"); //$NON-NLS-1$ //$NON-NLS-2$
			return getDefaultReport(reportName);

		} finally {
			IOUtils.closeQuietly(resource);
		}

	}

	private static JasperReport compileReport(String reportName) throws Exception {
		InputStream in = null;
		InputStream in2 = null;
		FileOutputStream out = null;
		File jasperFile = null;

		try {
			File jrxmlFile = new File(ReceiptPrintService.class.getResource(USER_REPORT_DIR + reportName + ".jrxml").getFile()); //$NON-NLS-1$
			File dir = jrxmlFile.getParentFile();
			jasperFile = new File(dir, reportName + ".jasper"); //$NON-NLS-1$

			in = ReceiptPrintService.class.getResourceAsStream(USER_REPORT_DIR + reportName + ".jrxml"); //$NON-NLS-1$
			out = new FileOutputStream(jasperFile);
			JasperCompileManager.compileReportToStream(in, out);

			in2 = ReceiptPrintService.class.getResourceAsStream(USER_REPORT_DIR + reportName + ".jasper"); //$NON-NLS-1$
			return (JasperReport) JRLoader.loadObject(in2);

		} catch (Exception e) {
			IOUtils.closeQuietly(out);
			if(jasperFile != null) {
				jasperFile.delete();
			}

			throw e;
		}

		finally {
			IOUtils.closeQuietly(in);
			IOUtils.closeQuietly(in2);
			IOUtils.closeQuietly(out);
		}
	}

	private static JasperReport getDefaultReport(String reportName) {
		InputStream resource = null;

		try {

			resource = ReceiptPrintService.class.getResourceAsStream(DEFAULT_REPORT_DIR + reportName + ".jasper"); //$NON-NLS-1$
			return (JasperReport) JRLoader.loadObject(resource);

		} catch (Exception e) {
			logger.error(e);
			return null;

		} finally {
			IOUtils.closeQuietly(resource);
		}
	}

	public static void main(String[] args) {
		URL resource = ReceiptPrintService.class.getResource("/printerlayouts/ticket-receipt.jrxml"); //$NON-NLS-1$
		String externalForm = resource.getFile();
		System.out.println(resource.getProtocol());
		System.out.println(externalForm);
	}
}