#include "lzr.h"
#include "cfg.h"
#include "input.h"
#include <math.h>
#include <stdlib.h>
#include <time.h>

#define PAGES 8

int main(int argc, char **argv)
{
	(void)argc, (void)argv;
	srand(time(NULL));
	if (LZR_Init(cfg))
		return LZR_Quit(), 1;
	LZR_ToggleFullscreen();
	int pages[PAGES] = {
		LZR_IMAGE("res/004/0.bmp"),
		LZR_IMAGE("res/004/1.bmp"),
		LZR_IMAGE("res/004/2.bmp"),
		LZR_IMAGE("res/004/3.bmp"),
		LZR_IMAGE("res/004/4.bmp"),
		LZR_IMAGE("res/004/5.bmp"),
		LZR_IMAGE("res/004/6.bmp"),
		LZR_IMAGE("res/004/7.bmp"),
	};
	for (int i = 0; i < PAGES; i++)
		if (pages[i] < 0)
			return LZR_Quit(), 1;
	LZR_ImageDrawSettings stg = {
		.ix = 0,
		.iy = 0,
		.width = -1,
		.height = -1,
		.scale_x = 1.0,
		.scale_y = 1.0,
		.angle = 0.0,
		.center = false,
		.flip_h = false,
		.flip_v = false
	};
	int page = 0;
	while (!LZR_ShouldQuit()) {
		float color =
			(1.0 + fabs(sin((float)LZR_GetTick() / 32))) / 2;
		color *= color;
		LZR_CycleEvents();
		input_update();
		if (input_pressed(K_LEFT) && page > 0)
			page -= 1;
		if (input_pressed(K_RIGHT) && page < 4)
			page += 1;
		LZR_DrawBegin();
		//LZR_DrawSetColor(color, 1.0 - color, color);
		LZR_DrawSetColor(0, 0, 0);
		LZR_DrawClear();
		LZR_DrawSetColor(1.0 - color, color, 1.0 - color);
		if (page > 0) {
			stg.flip_h = (rand() % 2048 == 0);
			stg.flip_v = (rand() % 2048 == 0);
			LZR_DrawImageEx(pages[page * 2 - 1],
			                0,
			                (CFG_DHEIGHT - 595) / 2,
			                stg);
		}
		if (page < 4) {
			stg.flip_h = (rand() % 2048 == 0);
			stg.flip_v = (rand() % 2048 == 0);
			LZR_DrawImageEx(pages[page * 2],
			                CFG_DWIDTH - 421,
			                (CFG_DHEIGHT - 595) / 2,
			                stg);
		}
		//LZR_DrawSetColor(color, 1.0 - color, color);
		LZR_DrawSetColor(0, 0, 0);
		LZR_DrawEnd();
	}
	LZR_Quit();
	return 0;
}