package de.superx.servlet;

import java.io.File;
import java.io.IOException;
import java.util.Iterator;

import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.springframework.test.context.ContextConfiguration;

import de.superx.BaseDbTest;
import de.superx.TestApplicationConfigPg;
import de.superx.bin.ExecuteMask;
import de.superx.sec.InputCheckRegistry;

//@ContextConfiguration(classes = { TestApplicationConfigPg.class })
public class JasperCreatorTest extends BaseDbTest {
    
    private static String outputFilename;
    private static File outputFile;

	private static final String STUDENTS_FACTSHEET_NAME = "Studierende Datenblatt";
	
	@BeforeClass
	public static void setup() throws IOException
	{
	    outputFilename=String.join(File.separator, "test", "output_160440.xlsx");
	    InputCheckRegistry.registerDefaultChecks();
	    if (outputFilename != null) {
	        outputFile = new File(outputFilename);
	        if (outputFile.exists()) {
	            outputFile.delete();
	        }
	    }
	}
	
	@Test
	public void testXslxDatenblatt()
			throws Exception {
		String[] params = buildParams();
		ExecuteMask.setMyWEBINFFilePath(SuperXManager.getWEB_INFPfad());
		ExecuteMask.execute(params);
		validateXSLXFile();
	}

	private static String[] buildParams() {
		String contenttype = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
		String stylesheet = "tabelle_160440_semester_geschlecht.jrxml";
		String[] params = {
				"-tid:160440",
				"-out:" + outputFilename,
				"-user:admin",
				"-params:Köpfe oder Fälle ?=KoF_2&Stichtag=1"
				+ "&stylesheet=" + stylesheet 
				+ "&tablestylesheet=" + stylesheet 
				+ "&contenttype=" + contenttype,
				"-logger:" + logConfigPath,
				"-mandantenID:" + MANDANTEN_ID };
		return params;
	}
	
	private static void validateXSLXFile() throws IOException, InvalidFormatException {
		Assert.assertTrue("'" + outputFilename + " ("+outputFile.getCanonicalPath()+") does not exist", outputFile.exists());
		boolean studendsFactSheetFound = containsStudentsFactSheet(outputFile);
		Assert.assertTrue("'" + outputFilename + "' misses sheet '" + STUDENTS_FACTSHEET_NAME + "'",
				studendsFactSheetFound);
	}

	private static boolean containsStudentsFactSheet(File xslxFile)
			throws IOException, InvalidFormatException {
		boolean studendsFactSheetFound = false;
		try (XSSFWorkbook workbook = new XSSFWorkbook(xslxFile);) {
			Iterator<Sheet> shit = workbook.sheetIterator();
			while (shit.hasNext()) {
				Sheet sheet = shit.next();
				String sheetName = sheet.getSheetName();
				studendsFactSheetFound |= sheetName.equals(STUDENTS_FACTSHEET_NAME);
			}
		}
		return studendsFactSheetFound;
	}
}