package at.gv.egovernment.moa.id.configuration.data.oa;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.security.cert.CertificateException;
import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;

import iaik.x509.X509Certificate;
import at.gv.egovernment.moa.id.commons.db.dao.config.AuthComponentOA;
import at.gv.egovernment.moa.id.commons.db.dao.config.OAPVP2;
import at.gv.egovernment.moa.id.commons.db.dao.config.OnlineApplication;
import at.gv.egovernment.moa.id.configuration.helper.LanguageHelper;
import at.gv.egovernment.moa.util.MiscUtil;

public class OAPVP2Config {
	
	private final Logger log = Logger.getLogger(OAPVP2Config.class);
	
	private String metaDataURL = null;
	private String certificateDN = null;
	
	private File fileUpload = null;
	private String fileUploadContentType;
	private String fileUploadFileName;
	
	public OAPVP2Config() {
	}
	
	public List<String> parse(OnlineApplication dbOAConfig) {
		List<String> errors = new ArrayList<String>();
		
		AuthComponentOA authdata = dbOAConfig.getAuthComponentOA();
		if (authdata != null) {
			OAPVP2 pvp2 = authdata.getOAPVP2();
			if (pvp2 != null) {
				metaDataURL =  pvp2.getMetadataURL();
				
				try {
					byte[] cert = pvp2.getCertificate();
					
					if (MiscUtil.isNotEmpty(cert)) {
						X509Certificate x509 = new X509Certificate(cert);
						certificateDN = x509.getSubjectDN().getName();
					}
				} catch (CertificateException e) {
					log.warn("PVP2 certificate can not be loaded from Online-Applikation with ID " + dbOAConfig.getPublicURLPrefix());
					errors.add(LanguageHelper.getErrorString("error.oa.pvp2.certificate"));
				}
			}
		}
		return errors;
	}
 	
	public byte[] getCertificate() throws CertificateException, IOException {
		
		FileInputStream filestream = new FileInputStream(fileUpload);
		X509Certificate x509 = new X509Certificate(filestream);
		return x509.getEncoded();
	}
	
	public String getMetaDataURL() {
		return metaDataURL;
	}
	public void setMetaDataURL(String metaDataURL) {
		this.metaDataURL = metaDataURL;
	}

	/**
	 * @return the certificateDN
	 */
	public String getCertificateDN() {
		return certificateDN;
	}

	/**
	 * @return the fileUpLoad
	 */
	public File getFileUpload() {
		return fileUpload;
	}

	/**
	 * @param fileUpLoad the fileUpLoad to set
	 */
	public void setFileUpload(File fileUpload) {
		this.fileUpload = fileUpload;
	}

	/**
	 * @return the fileUploadContentType
	 */
	public String getFileUploadContentType() {
		return fileUploadContentType;
	}

	/**
	 * @param fileUploadContentType the fileUploadContentType to set
	 */
	public void setFileUploadContentType(String fileUploadContentType) {
		this.fileUploadContentType = fileUploadContentType;
	}

	/**
	 * @return the fileUploadFileName
	 */
	public String getFileUploadFileName() {
		return fileUploadFileName;
	}

	/**
	 * @param fileUploadFileName the fileUploadFileName to set
	 */
	public void setFileUploadFileName(String fileUploadFileName) {
		this.fileUploadFileName = fileUploadFileName;
	}
	
	
}