package froala.editor.utils.view;

import java.io.IOException;
import java.io.OutputStream;
import java.net.URLEncoder;
import java.util.Calendar;
import java.util.Map;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.view.AbstractView;

import egovframework.rte.fdl.cmmn.exception.EgovBizException;
import froala.editor.utils.ExcelUtil;

/**
 *
 * @since 2020. 6. 16.
 * @author 손희문
 * <PRE>
 * -----------------------
 * 개정이력
 * 2020. 6. 16. 손희문 : 최초작성
 * </PRE>
 */
public class ExcelDownloadView extends AbstractView {

	@Override
	protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
			HttpServletResponse response) throws EgovBizException, IOException {
		ExcelUtil excel = (ExcelUtil) model.get("excel");
		String fileName =  (String) model.get("fileName");

		Calendar cal = Calendar.getInstance();
		//현재 년도, 월, 일
		int year = cal.get(Calendar.YEAR);
		int month = cal.get(Calendar.MONTH) + 1;
		int date = cal.get(Calendar.DATE);
		String curDate = year + "." + month + "." + date;

		// 쿠키로 다운로드 완료 시점 확인
		Cookie cookie = new Cookie("fileDownloadToken", "TRUE");
		cookie.setPath("/");
		cookie.setSecure(true);
		response.addCookie(cookie);

		// 입력된 내용 파일로 쓰기
		response.setContentType("Application/Msexcel");
		response.setHeader("Content-Disposition", "ATTachment; Filename=" + URLEncoder.encode(fileName+ "_" + curDate, "UTF-8") + ".xlsx");

		//response.setContentType("application/download;charset=utf-8");
		//response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\";");
		//response.setHeader("Content-Transfer-Encoding", "binary");

		OutputStream fileOut = response.getOutputStream();
		excel.write(fileOut);
		fileOut.close();

		response.getOutputStream().flush();
		response.getOutputStream().close();
	}
}