#include <string.h></string.h>

#include <stdio.h></stdio.h>

#include <stdlib.h></stdlib.h>

#include <helianthus.h></helianthus.h>

#include "common.h"

static char buffer[4096] = {};

static Sound beep;

static void scanDirectoryRecursive(const char *path, char **outTextBegin, char *outTextEnd, int level) {

	Directory d = openDirectory(path);

	if (d) {

		int count = directoryGetCount(d);

		int lenPrefix = level*4 + 1;

		int lenPath = strlen(path) + 1;

		int lenName = 0;

		for(int i = 0; i < count; ++i) {

			int ln = strlen(directoryGet(d, i));

			if (ln > lenName) lenName = ln;

		}

		int lenLine = lenPrefix + lenName + 1;

		char *subpath = calloc(1, lenPath + lenName + 1);

		strcpy(subpath, path);

		subpath[lenPath - 1] = '/';

		for(int i = 0; i < count; ++i) {

			if (*outTextBegin + lenLine > outTextEnd) break;

			const char *name = directoryGet(d, i);

			for(int i = 0; i < lenPrefix; ++i) *((*outTextBegin)++) = '-';

			char *typeSign = *outTextBegin - 1;

			strcpy(*outTextBegin, name);

			*outTextBegin += strlen(name);

			*((*outTextBegin)++) = '\n';

			strcpy(subpath + lenPath, name);

			if (directoryExists(subpath)) {

				*typeSign = '>';

				scanDirectoryRecursive(subpath, outTextBegin, outTextEnd, level+1);

			} else

			if (fileExists(subpath)) {

				*typeSign = '*';

			} else {

				*typeSign = '#';

			}

		}

		free(subpath);

		closeDirectory(d);

	}

}

void commonInit() {

	char *bufPtr = buffer;

	scanDirectoryRecursive("data", &bufPtr, bufPtr + sizeof(buffer) - 1, 0);

	beep = createSound("data/sound/beep.ogg");

}

void commonDraw() {

	pushDrawingState();

	noFill();

	textFontDefault();

	textSize(16);

	text(buffer, 16, 48);

	char fpsbuf[256] = {};

	sprintf(fpsbuf, "%6.2f", 1/worldGetFrameTime());

	text(fpsbuf, 16, 16);

	if (mouseWentDown("left"))

		soundPlay(beep, FALSE);

	if (mouseWentDown("middle"))

		askTextEx("Test\ntext input", buffer, sizeof(buffer), TRUE, FALSE);

	if (mouseWentDown("right"))

		messageBox("Test message box\nwith test message.");

	popDrawingState();

}