#include "base.h"
#include "spilcd_gfx.h"
#include "spilcd_font.h"
#include "img_green_screen.h"

#define ABS(x) ((x) < 0 ? -(x) : (x))
#define GLOW (((i + row) % 6)*8)

void draw_background(lcd_t* lcd, uint8 lightness)
{
	lcd_setWindow(lcd, 0, 0, lcd->width-1, lcd->height-1);
	char* img = header_data;
	for (int i = 0; i < lcd->width * lcd->height; i++) {
		uint8 pixel[3];
		HEADER_PIXEL(img, pixel)
		lcd_pushPixel(lcd, pixel[0] * (int)lightness / 255, pixel[1] * (int)lightness / 255, pixel[2] * (int)lightness / 255);
	}
}

int main(int argc, char *argv[])
{
	lcd_t* lcd = demo_init();

	for (int p = 0; p < 20; p++) {
		draw_background(lcd, p * 200 / 20);
		lcd_redrawBuffer(lcd);
	}

	int rowy = 9;
	for (int i = 0; i < 100; i++) {
		draw_background(lcd, 200 - ABS(4 - (i%8)) * 6);
		int shift_x = ABS(4 - (i%8)) / 4;
		int shift_y = ABS(5 - (i%10)) / 4;
		int row = 2;
		lcd_drawText(lcd, 12 + shift_x, row*rowy + shift_y, "SPI Term v1.8", 0, 220-GLOW, 0);
		row++;
		row++;
		lcd_drawText(lcd, 8 + shift_x, row*rowy + shift_y, "#/> dir", 0, 220-GLOW, 0);
		row++;

		lcd_drawText(lcd, 8 + shift_x, row*rowy + shift_y, " a.out", 0, 220-GLOW, 0);
		row++;
		lcd_drawText(lcd, 8 + shift_x, row*rowy + shift_y, " db.txt", 0, 220-GLOW, 0);
		row++;
		lcd_drawText(lcd, 8 + shift_x, row*rowy + shift_y, "#/>", 0, 220-GLOW, 0);
		lcd_redrawBuffer(lcd);
		usleep(1000);
	}

	demo_deinit(lcd);
	return 0;
}