#include <windows.h>
#include <stdio.h>
#include "abstractWatchGUI.h"
#include "digitalWatchGUI.h"

digitalWatch::digitalWatch (): watchObject ()
{
}

digitalWatch::~digitalWatch ()
{
}

int digitalWatch::checkMouseClick (int x, int y)
{
	
	for (int i = 0; i < 4; i++)
	{
		
		if ((x >= buttonsStartX[i] && x <= (buttonsStartX[i] + buttonSize)) && (y >= buttonsStartY[i] && y <= (buttonsStartY[i] + buttonSize)))
		{
			return i;
		}
		
	}
	
	return -1;
	
}

void digitalWatch::drawNum (HDC hdc, int fromRight, int fromTop, int num)
{
	
	if (num == 1) //All the numbers start from the NW apart from "1"
	{
		
		MoveToEx(hdc, fromRight, fromTop, NULL);
		LineTo(hdc, fromRight, (fromTop + (2 * ratio)));
		return;
		
	}
	
	MoveToEx(hdc, (fromRight - ratio), fromTop, NULL); //NW
	
	if (num == 0)
	{
		
		LineTo(hdc, fromRight, fromTop);
		LineTo(hdc, fromRight, (fromTop + (2 * ratio)));
		LineTo(hdc, (fromRight - ratio), (fromTop + (2 * ratio)));
		LineTo(hdc, (fromRight - ratio), fromTop);
	
	}
	else if (num == 2)
	{
		
		LineTo(hdc, fromRight, fromTop);
		LineTo(hdc, fromRight, (fromTop + ratio));
		LineTo(hdc, (fromRight - ratio), (fromTop + ratio));
		LineTo(hdc, (fromRight - ratio), (fromTop + (2 * ratio)));
		LineTo(hdc, fromRight, (fromTop + (2 * ratio)));
	
	}
	else if (num == 3)
	{
		
		LineTo(hdc, fromRight, fromTop);
		LineTo(hdc, fromRight, (fromTop + ratio));
		LineTo(hdc, (fromRight - ratio), (fromTop + ratio));
		LineTo(hdc, fromRight, (fromTop + ratio));
		LineTo(hdc, fromRight, (fromTop + (2 * ratio)));
		LineTo(hdc, (fromRight - ratio), (fromTop + (2 * ratio)));
	
	}
	else if (num == 4)
	{
		
		LineTo(hdc, (fromRight - ratio), (fromTop + ratio));
		LineTo(hdc, fromRight, (fromTop + ratio));
		LineTo(hdc, fromRight, fromTop);
		LineTo(hdc, fromRight, (fromTop + (2 * ratio)));
	
	}
	else if (num == 5)
	{
		
		LineTo(hdc, fromRight, fromTop);
		LineTo(hdc, (fromRight - ratio), fromTop);
		LineTo(hdc, (fromRight - ratio), (fromTop + ratio));
		LineTo(hdc, fromRight, (fromTop + ratio));
		LineTo(hdc, fromRight, (fromTop + (2 * ratio)));
		LineTo(hdc, (fromRight - ratio), (fromTop + (2 * ratio)));
	
	}
	else if (num == 6)
	{
		
		LineTo(hdc, (fromRight - ratio), (fromTop + (2 * ratio)));
		LineTo(hdc, fromRight, (fromTop + (2 * ratio)));
		LineTo(hdc, fromRight, (fromTop + ratio));
		LineTo(hdc, (fromRight - ratio), (fromTop + ratio));
	
	}
	else if (num == 7)
	{
		
		LineTo(hdc, fromRight, fromTop);
		LineTo(hdc, fromRight, (fromTop + (2 * ratio)));
	
	}
	else if (num == 8)
	{
		
		LineTo(hdc, (fromRight - ratio), (fromTop + (2 * ratio)));
		LineTo(hdc, fromRight, (fromTop + (2 * ratio)));
		LineTo(hdc, fromRight, (fromTop + ratio));
		LineTo(hdc, (fromRight - ratio), (fromTop + ratio));
		LineTo(hdc, fromRight, (fromTop + ratio));
		LineTo(hdc, fromRight, fromTop);
		LineTo(hdc, (fromRight - ratio), fromTop);
	
	}
	else
	{
		
		LineTo(hdc, (fromRight - ratio), (fromTop + ratio));
		LineTo(hdc, fromRight, (fromTop + ratio));
		LineTo(hdc, fromRight, (fromTop + (2 * ratio)));
		LineTo(hdc, fromRight, fromTop);
		LineTo(hdc, (fromRight - ratio), fromTop);
	
	}	
	
}
//Double colon
void digitalWatch::drawSep (HDC hdc, int fromRight, int fromTop)
{
	
	int spotPosition = fromTop + ratio + digitThickness;
	Ellipse(hdc, (fromRight - digitThickness), (spotPosition - (2 * digitThickness)), fromRight, (spotPosition + digitThickness - (2 * digitThickness)));
	Ellipse(hdc, (fromRight - digitThickness), (spotPosition + (2 * digitThickness)), fromRight, (spotPosition + digitThickness + (2 * digitThickness)));
	
}

void digitalWatch::repaintGUI (HDC hdc, int size)
{
	
	
	ratio = size;
	buttonSize = (ratio * 2);
	displayPadding = (ratio / 2);
	digitThickness = (ratio / 5);
	faceStartX = (watchStartX + buttonSize);
	faceStartY = (watchStartY + buttonSize);
	displayStartX = (faceStartX + buttonSize);
	displayStartY = (faceStartY + (2 * buttonSize));
	displayEndX = displayStartX + (2 * displayPadding) + (13 * ratio);
	displayEndY = displayStartY + (2 * displayPadding) + (2 * ratio);
	faceEndX = displayEndX + buttonSize;
	faceEndY = displayEndY + (2 * buttonSize);
	
	buttonsStartX[ACTION_BUTTON] = watchStartX;
	buttonsStartX[MODE_BUTTON] = watchStartX;
	buttonsStartX[GUI_BUTTON] = faceEndX;
	buttonsStartX[RESET_BUTTON] = faceEndX;
	
	buttonsStartY[ACTION_BUTTON] = (faceStartY + buttonSize);
	buttonsStartY[MODE_BUTTON] = (faceEndY - (2 * buttonSize));
	buttonsStartY[GUI_BUTTON] = (faceStartY + buttonSize);
	buttonsStartY[RESET_BUTTON] = (faceEndY - (2 * buttonSize));
		
	
	//An array of points for the polygon to use
	POINT pointsFace[9] = {
		(faceStartX + buttonSize), faceStartY, //top, indented from left
		(faceEndX - buttonSize), faceStartY, //top, indented from right
		faceEndX, (faceStartY + buttonSize), //indented from top, right
		faceEndX, (faceEndY - buttonSize), //indented from bottom, right
		(faceEndX - buttonSize), faceEndY, //bottom, indented from right
		(faceStartX + buttonSize), faceEndY, //bottom, indented from left
		faceStartX, (faceEndY - buttonSize), //indented from bottom, left
		faceStartX, (faceStartX + buttonSize), //indented from top, left
		(faceStartX + buttonSize), faceStartY}; //top, indented from left
	
	HPEN penFace = CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
	HBRUSH brushFace = CreateSolidBrush(RGB(0, 0, 0));
	HPEN penDisplay = CreatePen(PS_SOLID, digitThickness, RGB(8, 30, 85));	
	HBRUSH brushButtons = CreateSolidBrush(RGB(208, 167, 24));	
	
	HPEN penPrevious = (HPEN)SelectObject(hdc, penFace);
	HBRUSH brushPrevious = (HBRUSH)SelectObject(hdc, brushFace);
	
	Polygon(hdc, pointsFace, 9); //Draws the watch outline
	
	SelectObject(hdc, brushButtons);
	
	for (int i = 0; i < 4; i++)
	{
		Rectangle(hdc, buttonsStartX[i], buttonsStartY[i], (buttonsStartX[i] + buttonSize), (buttonsStartY[i] + buttonSize));
	}
	
	SelectObject(hdc, penDisplay);
	SelectObject(hdc, brushFace);
	Rectangle(hdc, displayStartX,  displayStartY, displayEndX, displayEndY);	
	
	SelectObject(hdc, penPrevious);
	SelectObject(hdc, brushPrevious);
	
	DeleteObject(penFace);
	DeleteObject(penDisplay);
	DeleteObject(brushFace);
	DeleteObject(brushButtons);
	
	resetTime();	
	
}

void digitalWatch::repaintTime (HDC hdc, int hour, int min, int sec)
{

	int fromRight = displayEndX - displayPadding;
	int fromTop = displayStartY + displayPadding;
	char thisTime[7];
	//Combines hour, min, sec into a string, each item is padded with a 0 if required
	sprintf(thisTime, "%02u%02u%02u", hour, min, sec);
	
	HPEN penDisplay = CreatePen(PS_SOLID, digitThickness, RGB(0, 0, 0));
	HBRUSH brushDisplay = CreateSolidBrush(RGB(0, 0, 0));
	
	HPEN penDigits = CreatePen(PS_SOLID, digitThickness, RGB(240, 8, 30));	
	HBRUSH brushDigits = CreateSolidBrush(RGB(240, 8, 30));
	
	HPEN penPrevious = (HPEN)SelectObject(hdc, penDisplay);
	HBRUSH brushPrevious = (HBRUSH)SelectObject(hdc, brushDisplay);
	//Go right to left blanking out digits that have changed
	for (int i = 5; i >= 0; i--)
	{
		//If this digit hasn't changed, then further ones will not have either
		if (thisTime[i] == lastTime[i])
		{
			break;
		}
		
		Rectangle(hdc, (fromRight - ratio), fromTop, (fromRight + digitThickness), (fromTop + (2 * ratio) + digitThickness));
		
		fromRight -= (2 * ratio);
		
		if (i == 2 || i == 4)
		{
			fromRight -= ratio;
		}
		
	}
	
	fromRight = displayEndX - displayPadding;
	SelectObject(hdc, penDigits);
	SelectObject(hdc, brushDigits);
	//Only paint parts of the time that have changed
	for (int i = 5; i >= 0; i--)
	{
		
		if (thisTime[i] == lastTime[i])
		{
			break;
		}
			
		lastTime[i] = thisTime[i];
		//'0' - '9' in ASCII are 30 - 39, so minus '0' (30) gives you the numeric value
		//E.g. '7' in ASCII is 37, minus '0' (30) = 7
		drawNum(hdc, fromRight, fromTop, (thisTime[i] - '0'));
		
		fromRight -= (2 * ratio);
		
		if (i == 2 || i == 4)
		{
			
			drawSep(hdc, fromRight, fromTop);			
			fromRight -= ratio;
			
		}
		
	}
	
	SelectObject(hdc, penPrevious);
	SelectObject(hdc, brushPrevious);
	
	DeleteObject(penDisplay);
	DeleteObject(brushDisplay);
	
	DeleteObject(penDigits);
	DeleteObject(brushDigits);	

}

void digitalWatch::resetTime ()
{	
	//Reset all the digits to "A", which means they will all be invalid
	for (int i = 0; i < 6; i++)
	{
		lastTime[i] = 'A';
	}
	
}