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/*
 * ===========================================
 * Java Pdf Extraction Decoding Access Library
 * ===========================================
 *
 * Project Info:  http://www.idrsolutions.com
 * Help section for developers at http://www.idrsolutions.com/java-pdf-library-support/
 *
 * (C) Copyright 1997-2013, IDRsolutions and Contributors.
 *
 * 	This file is part of JPedal
 *
     This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA


 *
 * ---------------
 * DecoderResults.java
 * ---------------
 */
package org.jpedal.parser;

import java.util.Iterator;

import org.jpedal.constants.PageInfo;

public class DecoderResults {

	private boolean imagesProcessedFully = true, hasNonEmbeddedCIDFonts, hasYCCKimages, pageSuccessful;

	private boolean ttHintingRequired, timeout = false;

	// values on last decodePage
	private Iterator colorSpacesUsed;

	private String nonEmbeddedCIDFonts = "";

	/**
	 * flag to show embedded fonts present
	 */
	private boolean hasEmbeddedFonts = false;

	public boolean getImagesProcessedFully() {
		return this.imagesProcessedFully;
	}

	public void update(PdfStreamDecoder current, boolean includeAll) {

		this.colorSpacesUsed = (Iterator) current.getObjectValue(PageInfo.COLORSPACES);

		this.nonEmbeddedCIDFonts = (String) current.getObjectValue(DecodeStatus.NonEmbeddedCIDFonts);

		this.hasYCCKimages = current.getBooleanValue(DecodeStatus.YCCKImages);
		this.pageSuccessful = current.getBooleanValue(DecodeStatus.PageDecodingSuccessful);

		this.imagesProcessedFully = current.getBooleanValue(DecodeStatus.ImagesProcessed);
		this.hasNonEmbeddedCIDFonts = current.getBooleanValue(DecodeStatus.NonEmbeddedCIDFonts);

		this.ttHintingRequired = current.getBooleanValue(DecodeStatus.TTHintingRequired);
		this.timeout = current.getBooleanValue(DecodeStatus.Timeout);

		if (includeAll) {
			this.hasEmbeddedFonts = current.getBooleanValue(ValueTypes.EmbeddedFonts);
		}
	}

	public void resetTimeout() {
		this.timeout = false;
	}

	public boolean getPageDecodeStatus(int status) {

		switch (status) {
			case DecodeStatus.NonEmbeddedCIDFonts:
				return this.hasNonEmbeddedCIDFonts;

			case DecodeStatus.ImagesProcessed:
				return this.imagesProcessedFully;

			case DecodeStatus.PageDecodingSuccessful:
				return this.pageSuccessful;

			case DecodeStatus.Timeout:
				return this.timeout;

			case DecodeStatus.YCCKImages:
				return this.hasYCCKimages;

			case DecodeStatus.TTHintingRequired:
				return this.ttHintingRequired;

			default:
				throw new RuntimeException("Unknown parameter " + status);

		}
	}

	/**
	 * return details on page for type (defined in org.jpedal.constants.PageInfo) or null if no values Unrecognised key will throw a RunTime exception
	 * 
	 * null returned if JPedal not clear on result
	 */
	public Iterator getPageInfo(int type) {
		switch (type) {

			case PageInfo.COLORSPACES:
				return this.colorSpacesUsed;

			default:
				return null;
		}
	}

	/**
	 * get page statuses
	 */
	public String getPageDecodeStatusReport(int status) {

		if (status == (DecodeStatus.NonEmbeddedCIDFonts)) {
			return this.nonEmbeddedCIDFonts;
		}
		else new RuntimeException("Unknown parameter");

		return "";
	}

	/**
	 * shows if embedded fonts present on page just decoded
	 */
	public boolean hasEmbeddedFonts() {
		return this.hasEmbeddedFonts;
	}

	public void resetColorSpaces() {
		// disable color list if forms
		this.colorSpacesUsed = null;
	}
}