//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2012 by PDFTron Systems Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.
//---------------------------------------------------------------------------------------

#include <PDF/PDFNet.h>
//#include <PDF/PDFDoc.h>
#include <PDF/PDFA/PDFACompliance.h>
#include <string>
#include <iostream>

using namespace std;
using namespace pdftron;
using namespace pdftron::PDF;
using namespace pdftron::PDF::PDFA;

void PrintResults(PDFACompliance& pdf_a, UString filename) 
{
	int err_cnt = pdf_a.GetErrorCount();
	if (err_cnt == 0) 
	{
		cout << filename << "OK.\n";
	}
	else 
	{
		cout << filename << " is NOT a valid PDFA.\n";
		for (int i=0; i<err_cnt; ++i) 
		{
			PDFACompliance::ErrorCode c = pdf_a.GetError(i);
			cout << " - e_PDFA " << c << ": " << PDFACompliance::GetPDFAErrorMessage(c) << ".";
			if (true) 
			{
				int num_refs = pdf_a.GetRefObjCount(c);
				if (num_refs > 0)  
				{
					cout << "   Objects:" << endl;
					for (int j=0; j<num_refs; ++j) 
					{
						cout << pdf_a.GetRefObj(c, j);
						if (j<num_refs-1) 
							cout << ", ";
					}
					cout << endl;
				}
			}
		}
		cout << endl;
	}
}



//---------------------------------------------------------------------------------------
// The following sample illustrates how to parse and check if a PDF document meets the
//	PDFA standard, using the PDFACompliance class object. 
//---------------------------------------------------------------------------------------
int main(int argc, char *argv[])
{	
	int ret = 0;
	UString input_path("../../TestFiles/");
	UString output_path("../../TestFiles/Output/");
	PDFNet::Initialize();
	PDFNet::SetColorManagement();  // Enable color management (required for PDFA validation).

	//-----------------------------------------------------------
	// Example 1: PDF/A Validation
	//-----------------------------------------------------------
	try
	{
		UString filename("newsletter.pdf");
		PDFACompliance pdf_a(false, input_path+filename, 0, PDFACompliance::e_Level1B, 0, 10);
		PrintResults(pdf_a, filename);
	}
	catch (Common::Exception& e)
	{
		cout << e << endl;
		ret = 1;
	}
	catch (...) {
		cout << "Unknown Exception" << endl;
		ret = 1;
	}

	//-----------------------------------------------------------
	// Example 2: PDF/A Conversion
	//-----------------------------------------------------------
	try
	{
		UString filename("fish.pdf");
		PDFACompliance pdf_a(true, input_path+filename, 0, PDFACompliance::e_Level1B, 0, 10);
		filename = output_path + "pdfa.pdf";
		pdf_a.SaveAs(filename, true);

		// Re-validate the document after the conversion...
		PDFACompliance comp(false, filename, 0, PDFACompliance::e_Level1B, 0, 10);		
		PrintResults(comp, filename);				
	}
	catch (Common::Exception& e)
	{
		cout << e << endl;
		ret = 1;
	}
	catch (...) {
		cout << "Unknown Exception" << endl;
		ret = 1;
	}

	cout << "PDFACompliance test completed." << endl;
	PDFNet::Terminate();
	return ret;
}