#ifndef CHARMAP_H
#define CHARMAP_H
#include "../item.qc"
CLASS(XonoticCharmap, Item)
	METHOD(XonoticCharmap, configureXonoticCharmap, void(entity, entity))
	METHOD(XonoticCharmap, mousePress, float(entity, vector))
	METHOD(XonoticCharmap, mouseRelease, float(entity, vector))
	METHOD(XonoticCharmap, mouseMove, float(entity, vector))
	METHOD(XonoticCharmap, mouseDrag, float(entity, vector))
	METHOD(XonoticCharmap, keyDown, float(entity, float, float, float))
	METHOD(XonoticCharmap, focusLeave, void(entity))
	METHOD(XonoticCharmap, resizeNotify, void(entity, vector, vector, vector, vector))
	METHOD(XonoticCharmap, draw, void(entity))
	ATTRIB(XonoticCharmap, focusable, float, 1)

	METHOD(XonoticCharmap, moveFocus, void(entity, vector, vector))
	METHOD(XonoticCharmap, enterChar, void(entity))
	ATTRIB(XonoticCharmap, inputBox, entity, NULL)
	ATTRIB(XonoticCharmap, realFontSize, vector, '0 0 0')
	ATTRIB(XonoticCharmap, realCellSize, vector, '0 0 0')
	ATTRIB(XonoticCharmap, focusedCell, vector, '-1 -1 0')
	ATTRIB(XonoticCharmap, previouslyFocusedCell, vector, '-1 -1 0')
ENDCLASS(XonoticCharmap)
entity makeXonoticCharmap(entity controlledInputBox);
#endif

#ifdef IMPLEMENTATION

const float CHARMAP_COLS = 14;
const float CHARMAP_ROWS = 10;

string CHARMAP =
	"★◆■▮▰▬◣◤◥◢◀▲▶▼"
	"🌍🌎🌏🚀🌌👽🔫⌖❇❈←↑→↓"
	"☠☣☢⚛⚡⚙🔥❌⚠⛔❰❱❲❳"
	"😃😊😁😄😆😎😈😇😉😛😝😘❤ "
	"😐😒😕😮😲😞😟😠😣😭😵😴  "
	"\xEE\x83\xA1\xEE\x83\xA2\xEE\x83\xA3\xEE\x83\xA4\xEE\x83\xA5\xEE\x83\xA6\xEE\x83\xA7"
	"\xEE\x83\xA8\xEE\x83\xA9\xEE\x83\xAA\xEE\x83\xAB\xEE\x83\xAC\xEE\x83\xAD\xEE\x83\xAE"
	"\xEE\x83\xAF\xEE\x83\xB0\xEE\x83\xB1\xEE\x83\xB2\xEE\x83\xB3\xEE\x83\xB4\xEE\x83\xB5"
	"\xEE\x83\xB6\xEE\x83\xB7\xEE\x83\xB8\xEE\x83\xB9\xEE\x83\xBA\xEE\x80\x90\xEE\x80\x91"
	"\xEE\x82\xB0\xEE\x82\xB1\xEE\x82\xB2\xEE\x82\xB3\xEE\x82\xB4\xEE\x82\xB5\xEE\x82\xB6"
	"\xEE\x82\xB7\xEE\x82\xB8\xEE\x82\xB9\xEE\x82\xA1\xEE\x82\xBF\xEE\x82\xA6\xEE\x82\xA5"
	"\xEE\x83\x81\xEE\x83\x82\xEE\x83\x83\xEE\x83\x84\xEE\x83\x85\xEE\x83\x86\xEE\x83\x87"
	"\xEE\x83\x88\xEE\x83\x89\xEE\x83\x8A\xEE\x83\x8B\xEE\x83\x8C\xEE\x83\x8D\xEE\x83\x8E"
	"\xEE\x83\x8F\xEE\x83\x90\xEE\x83\x91\xEE\x83\x92\xEE\x83\x93\xEE\x83\x94\xEE\x83\x95"
	"\xEE\x83\x96\xEE\x83\x97\xEE\x83\x98\xEE\x83\x99\xEE\x83\x9A\xEE\x81\x9B\xEE\x81\x9D";

string charmap_cellToChar(vector cell)
{
	string character = substring(CHARMAP, cell.y * CHARMAP_COLS + cell.x, 1);

	if (character != " ")
		return character;
	else
		return "";
}

entity makeXonoticCharmap(entity controlledInputBox)
{
	entity me;
	me = NEW(XonoticCharmap);
	me.configureXonoticCharmap(me, controlledInputBox);
	return me;
}

void XonoticCharmap_configureXonoticCharmap(entity me, entity controlledInputBox)
{
	me.inputBox = controlledInputBox;
	me.realCellSize = eX / CHARMAP_COLS + eY / CHARMAP_ROWS;
}

void XonoticCharmap_resizeNotify(entity me, vector relOrigin, vector relSize, vector absOrigin, vector absSize)
{
	SUPER(XonoticCharmap).resizeNotify(me, relOrigin, relSize, absOrigin, absSize);

	float maxFontWidth = SKINFONTSIZE_NORMAL / absSize.x;
	float maxFontHeight = SKINFONTSIZE_NORMAL / absSize.y;

	if((me.realCellSize.x * absSize.x) > (me.realCellSize.y * absSize.y))
	{
		me.realFontSize_x = me.realCellSize.y * absSize.y / absSize.x;
		me.realFontSize_y = me.realCellSize.y;
	}
	else
	{
		me.realFontSize_x = me.realCellSize.x;
		me.realFontSize_y = me.realCellSize.x * absSize.x / absSize.y;
	}

	if(me.realFontSize.x > maxFontWidth || me.realFontSize.y > maxFontHeight)
		me.realFontSize = eX * maxFontWidth + eY * maxFontHeight;
}

float XonoticCharmap_mouseMove(entity me, vector coords)
{
	me.focusedCell_x = floor(coords.x * CHARMAP_COLS);
	me.focusedCell_y = floor(coords.y * CHARMAP_ROWS);

	if(me.focusedCell.x < 0 || me.focusedCell.y < 0 ||
	   me.focusedCell.x >= CHARMAP_COLS || me.focusedCell.y >= CHARMAP_ROWS)
	{
		me.focusedCell = '-1 -1 0';
		return 0;
	}

	return 1;
}

float XonoticCharmap_mouseDrag(entity me, vector coords)
{
	return me.mouseMove(me, coords);
}

float XonoticCharmap_mousePress(entity me, vector coords)
{
	me.mouseMove(me, coords);

	if(me.focusedCell.x >= 0)
	{
		me.pressed = 1;
		me.previouslyFocusedCell = me.focusedCell;
	}

	return 1;
}

float XonoticCharmap_mouseRelease(entity me, vector coords)
{
	if(!me.pressed)
		return 0;

	me.mouseMove(me, coords);

	if(me.focusedCell == me.previouslyFocusedCell)
		me.enterChar(me);

	me.pressed = 0;
	return 1;
}

float XonoticCharmap_keyDown(entity me, float key, float ascii, float shift)
{
	switch(key)
	{
		case K_LEFTARROW:
		case K_KP_LEFTARROW:
			me.moveFocus(me, me.focusedCell, '-1 0 0');
			return 1;
		case K_RIGHTARROW:
		case K_KP_RIGHTARROW:
			me.moveFocus(me, me.focusedCell, '1 0 0');
			return 1;
		case K_UPARROW:
		case K_KP_UPARROW:
			me.moveFocus(me, me.focusedCell, '0 -1 0');
			return 1;
		case K_DOWNARROW:
		case K_KP_DOWNARROW:
			me.moveFocus(me, me.focusedCell, '0 1 0');
			return 1;
		case K_HOME:
		case K_KP_HOME:
			me.focusedCell = '0 0 0';
			return 1;
		case K_END:
		case K_KP_END:
			me.focusedCell_x = CHARMAP_COLS - 1;
			me.focusedCell_y = CHARMAP_ROWS - 1;
			return 1;
		case K_ENTER:
		case K_KP_ENTER:
		case K_INS:
		case K_KP_INS:
			me.enterChar(me);
			return 1;
		default:
			return me.inputBox.keyDown(me.inputBox, key, ascii, shift);
	}
}

void XonoticCharmap_moveFocus(entity me, vector initialCell, vector step)
{
	me.focusedCell_x = mod(me.focusedCell.x + step.x + CHARMAP_COLS, CHARMAP_COLS);
	me.focusedCell_y = mod(me.focusedCell.y + step.y + CHARMAP_ROWS, CHARMAP_ROWS);

	if(me.focusedCell != initialCell) // Recursion break
		if(charmap_cellToChar(me.focusedCell) == "")
			me.moveFocus(me, initialCell, step);
}

void XonoticCharmap_enterChar(entity me)
{
	string character = charmap_cellToChar(me.focusedCell);
	if(character != "")
		me.inputBox.enterText(me.inputBox, character);
}

void XonoticCharmap_focusLeave(entity me)
{
	me.inputBox.saveCvars(me.inputBox);
}

void XonoticCharmap_draw(entity me)
{
	string character;
	vector cell, cellPos, charPos;
	cell = '0 0 0';
	cellPos = '0 0 0';
	charPos = '0 0 0';

	float CHAR_OFFSET_X = me.realCellSize.x / 2;
	float CHAR_OFFSET_Y = (me.realCellSize.y - me.realFontSize.y) / 2;

	for(cell_y = 0; cell.y < CHARMAP_ROWS; ++cell.y)
	{
		charPos_y = cell.y / CHARMAP_ROWS + CHAR_OFFSET_Y;
		for(cell_x = 0; cell.x < CHARMAP_COLS; ++cell.x)
		{
			character = charmap_cellToChar(cell);

			if(character == "")
				continue;

			// Draw focused cell
			if(cell == me.focusedCell && me.focused)
			{
				if(!me.pressed || me.focusedCell == me.previouslyFocusedCell)
				{
					cellPos_x = mod(me.focusedCell.x, CHARMAP_COLS) / CHARMAP_COLS;
					cellPos_y = mod(me.focusedCell.y, CHARMAP_ROWS) / CHARMAP_ROWS;
					draw_Fill(cellPos, me.realCellSize, SKINCOLOR_CHARMAP_FOCUS, SKINALPHA_CHARMAP_FOCUS);
				}
			}

			// Draw character
			charPos_x = cell.x / CHARMAP_COLS + CHAR_OFFSET_X;
			draw_CenterText(charPos, character, me.realFontSize, SKINCOLOR_CHARMAP_CHAR, SKINALPHA_CHARMAP_CHAR, 0);
		}
	}
}
#endif