#include "TH1.h"
#include "TF1.h"
#include <iostream>
#include <fstream>
#include <iomanip>
#include <sstream>
#include <string>

//*******************************
#include <TGClient.h>
#include <TCanvas.h>
#include <TRandom.h>
#include <TGButton.h>
#include <TGFrame.h>
#include <TRootEmbeddedCanvas.h>
#include <RQ_OBJECT.h>

//********************************
using namespace std;
using std::ofstream;

//**********************************
class MyMainFrame {
	RQ_OBJECT("MyMainFrame")
private:
	TGMainFrame 		*fMain;
	TRootEmbeddedCanvas *fEcanvas;
public:
	MyMainFrame(const TGWindow *p, UInt_t w, UInt_t h);
	virtual ~MyMainFrame();
	void DoDraw();
};

MyMainFrame::MyMainFrame(const TGWindow *p, UInt_t w, UInt_t h) {
	//Greate a main frame
	fMain = new TGMainFrame(p,w,h);
	
	// Great a 1st horizontal frame
	TGHorizontalFrame *h1frame = new TGHorizontalFrame(fMain,800,400);
	TGVerticalFrame *v11frame = new TGVerticalFrame(h1frame,100,400, kFixedWidth | kFixedHeight);
	TGVerticalFrame *v12frame = new TGVerticalFrame(h1frame,700,400, kFixedWidth | kFixedHeight);
	TGTextButton *bt_load = new TGTextButton(v11frame, "Load spectrum");
	TGTextButton *bt_exit = new TGTextButton(v11frame, "Exit", "gApplication->Terminate(0)");
	
	fECanvas = new TRootEmbeddedCanvas("ECanvas",v12frame,200,200);
    //TGLabel *fLright = new TGLabel(v12frame, "Full Spectrum");
	
	v11frame->AddFrame(bt_load, new TGLayoutHints(kLHintsLeft, 
                                              4, 0, 0, 0));
	v11frame->AddFrame(bt_exit, new TGLayoutHints(kLHintsLeft, 
                                              4, 0, 10, 0));										  
	v12frame->AddFrame(fECanvas, new TGLayoutHints(kLHintsExpandX | kLHintsExpandY, 
                                              0, 0, 0, 0));
											  
	h1frame->AddFrame(v11frame, new TGLayoutHints(kLHintsCenterX | kLHintsCenterY, 
                                              0, 0, 0, 0));
	h1frame->AddFrame(v12frame, new TGLayoutHints(kLHintsCenterX | kLHintsCenterY, 
                                              0, 0, 0, 0));
	fMain->AddFrame(h1frame, new TGLayoutHints(kLHintsExpandX| kLHintsExpandY,10,10,10,1));	
	
	bt_load->Connect("Clicked()", "MyMainFrame", fMain, "DoDraw()");
	
	
	// Set a name to the main frame
	fMain->SetWindowName("Fitting peaks");
	// Map all subwindows of main frame
	fMain->MapSubwindows();
	// Initialize the layout algorithm
	fMain->Resize(fMain->GetDefaultSize());
	// Map main frame
	fMain->MapWindow();
}

void MyMainFrame::DoDraw() {
	// Draws function graphics in randomly choosen interval
	TF1 *f1 = new TF1("f1","sin(x)/x",0,gRandom->Rndm()*10);
	f1->SetFillColor(19);
	f1->SetFillStyle(1);
	f1->SetLineWidth(3);
	f1->Draw();
	TCanvas *fCanvas = fEcanvas->GetCanvas();
	fCanvas->cd();
	fCanvas->Update();
	
	// loadspe("G1100.ASC")->Draw();
	// TCanvas *fCanvas = fEcanvas->GetCanvas();
	// fCanvas->cd();
	// fCanvas->Update();
}

MyMainFrame::~MyMainFrame() {
	// Clean up used widgets: frames, buttons, layouthints
	fMain->Cleanup();
	delete fMain;
}

//*********************Program***************************

TH1F *loadspe(string input)
{
	double count;
	ifstream if1; 
	TH1F *h = new TH1F("h","Full Spectrum",16384,0.,16384.);
	for (int i = 1; i<=16384; i++) h->SetBinContent(i,0);
	if1.open(input.c_str());
	int channel = 1;
	while (if1 >> count)
	{
		h->SetBinContent(channel,count);
		channel++;
	}
	if1.close();
	return h;
}

void peakprogram()
{
	new MyMainFrame(gClient->GetRoot(),200,200);
}