#include "ApplicationInterface.h"
#include "NavNumbers.h"

#include "SimpleNavigator.h"

//RECT RECT_SCREEN = {0,0,240,294};


#define MAXHORIZONTAL 10

#define MAXNUMBERS (getMaxRows()*MAXHORIZONTAL)

#define ROW0 5
#define LASTROW ROW0+getMaxRows()*(BUTTON_HEIGHT+PADDING_HEIGHT)

NavNumbers::NavNumbers(SimpleNavigator* navigator):NavPage(navigator) {
}

NavNumbers::~NavNumbers() {
}

void NavNumbers::show() {
	start=1;
}

void NavNumbers::paint() {
	RECT rt;
	memset(&rt,0,sizeof(rt));

	RECT_SCREEN.bottom = GetSystemMetrics(SM_CYSCREEN) - 2*MENU_HEIGHT;
	RECT_SCREEN.right = GetSystemMetrics(SM_CXSCREEN);

	rt.right=RECT_SCREEN.right;

	// to see if the whole screen gets filled
	//rt.bottom=RECT_SCREEN.bottom;
	//setBackground(0x00000000);
	//drawText(&rt,UString(L"test"));
	//setBackground();

	// below simply padded the top of the screen downwards and displayed the string

	// rt.bottom=ROW0;
	// clearRect(&rt);
	// rt.bottom=ROW0;
	// clearRect(&rt);
	
	// rt.top=ROW0; rt.bottom=ROW1;
	// drawText(&rt,command);

	// rt.top=ROW1; rt.bottom=ROW2;
	// clearRect(&rt);

	TCHAR buttonText[4];
	setBackground(BUTTON_BACKGROUND);
	setFont(FONT_NAVIGATION);
	int current=start;
	// left of first buttons
	rt.right=rt.left+PADDING_WIDTH;
	rt.top=rt.bottom; rt.bottom=LASTROW;
	clearRect(&rt);

	while ((current<=maxNumber)&&(current<start+MAXNUMBERS)) {
		int colStart=current;
		rt.left=rt.right; rt.right=rt.left+BUTTON_WIDTH_NM; rt.bottom=ROW0;
		while ((current<=maxNumber)&&(current-colStart<getMaxRows())) {
			//padding above button
			rt.top=rt.bottom;rt.bottom=rt.top+PADDING_HEIGHT;
			clearRect(&rt);
			//button
			rt.top=rt.bottom;rt.bottom=rt.top+BUTTON_HEIGHT;
			_itow(current,buttonText,10);
			drawRText(&rt,buttonText,wcslen(buttonText));
			current++;
		}
		//padding below buttons
		rt.top=rt.bottom;rt.bottom=LASTROW;
		clearRect(&rt);
		//padding right of buttons
		rt.top=ROW0; rt.left=rt.right; rt.right=rt.left+PADDING_WIDTH;
		clearRect(&rt);
	}
	//area right of buttons
	rt.left=rt.right; rt.right=RECT_SCREEN.right;
	clearRect(&rt);
	rt.left=RECT_SCREEN.left;rt.right=RECT_SCREEN.right; //rt.bottom is still LASTROW
	//optional 'more' button
	if ((start!=1)||(current<maxNumber)) {
		rt.top=rt.bottom;rt.bottom=rt.top+PADDING_HEIGHT;
		clearRect(&rt);
		rt.top=rt.bottom; rt.bottom=rt.top+BUTTON_HEIGHT;
		rt.right=(RECT_SCREEN.right/3);
		clearRect(&rt);
		rt.left=rt.right;rt.right=RECT_SCREEN.right-rt.left;
		drawText(&rt,"More...");
		rt.left=rt.right;rt.right=RECT_SCREEN.right;
		clearRect(&rt);
		rt.left=RECT_SCREEN.left;
	}
	//space below the buttons
	rt.top=rt.bottom; rt.bottom=RECT_SCREEN.bottom;
	clearRect(&rt);

	setBackground();
	setFont();
}

int NavNumbers::numberAt(int x, int y) {
	// y=y-ROW2;
	y=y-ROW0;
	if (x>0) {
		int horizontal=(x/(PADDING_WIDTH+BUTTON_WIDTH_NM));
		if (horizontal<MAXHORIZONTAL) {
			x=x-horizontal*(PADDING_HEIGHT+BUTTON_HEIGHT);
			int vertical=(y/(PADDING_HEIGHT+BUTTON_HEIGHT));
			if (vertical<getMaxRows()) {
				y=y-vertical*(PADDING_HEIGHT+BUTTON_HEIGHT);
				//button is in bottom right corner
				if ((x>=PADDING_WIDTH)&&(y>=PADDING_HEIGHT)) {
					int current=horizontal*getMaxRows()+vertical+start;
					if (current<=maxNumber) return current;
				}
			}
			else if (vertical==getMaxRows()) { // The 'more' button is here
				y=y-vertical*(PADDING_HEIGHT+BUTTON_HEIGHT);
				if (y>=PADDING_HEIGHT) {
					x=x+horizontal*(PADDING_HEIGHT+BUTTON_HEIGHT); //undo
					if (((2*x)>=(RECT_SCREEN.right-x))&&((2*(RECT_SCREEN.right-x))>=x)) {
						if ((start+MAXNUMBERS)>maxNumber)
							start=1;
						else
							start=start+MAXNUMBERS;
						refreshScreen();
					}
				}
			}
		}
	}
	return -1;
}