/*
 * Copyright (c) 2016-2020 Marco Hladik <marco@icculus.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

enumflags
{
	AF_RIGHT,
	AF_TOP,
	AF_LEFT,
	AF_BOTTOM
};

typedef struct
{
	int iID;
	int iScale;
	vector vecColor;
	float flAlpha;
	int iFlags;
} font_s;

void
Font_Load(string strFile, font_s &fntNew)
{
#ifdef CLASSIC_VGUI
	fntNew.iID = (int)loadfont("", "gfx/conchars", "12", -1, 0, 0);
	fntNew.iScale = 12;
	fntNew.vecColor = [255,200,0] / 255;
	fntNew.flAlpha = 1.0f;
	fntNew.iFlags = 0;
#else
	string strTemp = "";
	string strFontPath = "";
	filestream fileFont = fopen(strFile, FILE_READ);
	fntNew.iID = 0;
	fntNew.iScale = 8;
	fntNew.vecColor = [1,1,1];
	fntNew.flAlpha = 1.0f;
	fntNew.iFlags = 0;

	if (fileFont >= 0) {
		while ((strTemp = fgets(fileFont))) {
			if (tokenizebyseparator(strTemp, "=") == 2) {
				switch (argv(0)) {
					case "COLOR":
						fntNew.vecColor = stov(argv(1)) / 255;
						break;
					case "ALPHA":
						fntNew.flAlpha = stof(argv(1)) / 255;
						break;
					case "SIZE":
						fntNew.iScale = (int)stof(argv(1));
						break;
					case "PATH":
						strFontPath = argv(1);
						break;
					case "FLAGS":
						fntNew.iFlags = (int)stof(argv(1));
						break;
					default:
						break;
				}
			}
		}
		fclose(fileFont);
	} else {
		error(sprintf("[MENU] Cannot load font file %s!", strFile));
	}

	fntNew.iID = (int)loadfont("", strFontPath, ftos((float)fntNew.iScale), -1, 0, 0);
#endif
}

void
Font_DrawText (vector vecOrigin, string strText, font_s fnt)
{
	drawfont = (float)fnt.iID;
	drawstring(vecOrigin, strText, [fnt.iScale, fnt.iScale], fnt.vecColor, fnt.flAlpha, (float)fnt.iFlags);
}

void
Font_DrawField (vector vecOrigin, vector vecSize, string strText, font_s fnt, int iAlignFlags)
{
	drawfont = (float)fnt.iID;
	drawtextfield(vecOrigin, vecSize, (float)iAlignFlags, strText);
}

string
Font_RGBtoHex(vector vecColor)
{
	static string numtohex(float x) {
		x = rint(x * 15);
		if (x <= 9)
			return ftos(x);
		else {
			x -= 10;
			return sprintf("%c", 'A' + x);
		}
		
	}

	return sprintf("^x%s%s%s", numtohex(vecColor[0]), numtohex(vecColor[1]), numtohex(vecColor[2]));
}