#include <TROOT.h>
#include <TCanvas.h>
#include <TProfile.h>

#include <stdint.h>
#include <cstdio>

#define HAVE_ZLIB
#include "fits.h"

#include "FOpenDataFile.h"
#include "FOpenDataFile.c"

int plotevent(
	char *title, 
	vector<int16_t> &data, 
	UInt_t data_roi, 
	size_t pixelnr);


int plotraw(const char *name = "../raw/20110916_025.fits", size_t eventnr = 0, size_t pixelnr = 0)
{
	gROOT->SetStyle("Plain");
	vector<int16_t> data;
	vector<int16_t> data_offset;
	unsigned int data_num;
	size_t data_n;
	UInt_t data_px;
	UInt_t data_roi;
	size_t rc_open;

	fits * datafile;
	rc_open = OpenDataFile( name, &datafile, data, data_offset, data_num, data_roi, data_px, data_n, 0);

	if (rc_open == 0){
		cout << "some error occured during file opening ... aborting." << endl;
		return 1;
	}
	
	
//-------------------------------------------
//Create the title
//-------------------------------------------
	char title[500];
	std::sprintf(title,"Data: %s, Px %i Ev %i",name,pixelnr,eventnr);

	if (datafile == NULL){
		cout << "Error: FOpenDataFile was ok, but now datafile pointer not vaild... abort." << endl;
		return 1;
	}
	datafile->GetRow(eventnr);
	cout << "Event number: " << data_num << endl;
	plotevent(title, data, data_roi, pixelnr);

	delete datafile;
	return 0;
}



int plotevent(
	char *title, 
	vector<int16_t> &data, 
	UInt_t data_roi, 
	size_t pixelnr)
{
	TCanvas *canv = new TCanvas( "canv", "Mean values of the first event", 100, 10, 700, 500 );
	TProfile *pix = new TProfile("pix", title, 1024, -0.5, 1023.5);

	for (UInt_t k=0; k<data_roi; k++)
	{
		float sample = (data[pixelnr*data_roi+k]);
		pix->Fill(k,sample);
	}
	pix->Draw();
	canv->Modified();
	canv->Update();
	
	return 0;
}