package net.sourceforge.fenixedu.domain.phd.candidacy;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;

import net.sourceforge.fenixedu.domain.DomainReference;
import net.sourceforge.fenixedu.domain.phd.PhdIndividualProgramDocumentType;
import net.sourceforge.fenixedu.domain.phd.PhdIndividualProgramProcess;

import org.apache.commons.lang.StringUtils;

import pt.utl.ist.fenix.tools.util.FileUtils;

public class PhdCandidacyDocumentUploadBean implements Serializable {

    private static final long serialVersionUID = 1L;

    private PhdIndividualProgramDocumentType type;

    private transient InputStream file;

    private byte[] fileContent;

    private String filename;

    private String remarks;

    private DomainReference<PhdIndividualProgramProcess> individualProgramProcess;

    public PhdCandidacyDocumentUploadBean() {

    }

    public PhdCandidacyDocumentUploadBean(PhdIndividualProgramDocumentType type) {
	setType(type);
    }

    public byte[] getFileContent() {
	return this.fileContent;
    }

    public PhdIndividualProgramDocumentType getType() {
	return type;
    }

    public void setType(PhdIndividualProgramDocumentType type) {
	this.type = type;
    }

    public InputStream getFile() {
	return file;
    }

    public void setFile(InputStream file) {
	this.file = file;

	if (file != null) {
	    final ByteArrayOutputStream result = new ByteArrayOutputStream();
	    try {
		FileUtils.copy(this.file, result);
	    } catch (IOException e) {
		throw new RuntimeException(e);
	    }

	    this.fileContent = result.toByteArray();
	} else {
	    this.fileContent = null;
	}
    }

    public void removeFile() {
	setFile(null);
    }

    public String getFilename() {
	return filename;
    }

    public void setFilename(String filename) {
	this.filename = filename;
    }

    public boolean hasAnyInformation() {
	return this.type != null && !StringUtils.isEmpty(this.filename) && this.fileContent != null;
    }

    public String getRemarks() {
	return remarks;
    }

    public void setRemarks(String remarks) {
	this.remarks = remarks;
    }

    public PhdIndividualProgramProcess getIndividualProgramProcess() {
	return (this.individualProgramProcess != null) ? this.individualProgramProcess.getObject() : null;
    }

    public void setIndividualProgramProcess(final PhdIndividualProgramProcess individualProgramProcess) {
	this.individualProgramProcess = (individualProgramProcess != null) ? new DomainReference<PhdIndividualProgramProcess>(
		individualProgramProcess) : null;
    }
}