#include <3ds.h>
#include <stdio.h>

int main(int argc, char **argv) {
    gfxInitDefault();

    // draw top screen
    consoleInit(GFX_TOP, NULL);
	printf("hi lol");
    gspWaitForVBlank();
    gfxFlushBuffers();
    gfxSwapBuffers();

    consoleInit(GFX_BOTTOM, NULL);
	printf("\r      \r");

    // Start
	printf("Press Start for test 1.\n");

    while(aptMainLoop()) {
        gspWaitForVBlank();
        hidScanInput();

        if(hidKeysDown() & KEY_START)
            break;

        gfxFlushBuffers();
        gfxSwapBuffers();
    }

    // Test 1
	printf("TEST 1: without VBlank\n");
	printf("Press Start for test 2.\n");

    while(aptMainLoop()) {
        hidScanInput();

        if(hidKeysDown() & KEY_START)
            break;

        gfxFlushBuffers();
        gfxSwapBuffers();
    }

    // Test 2
	printf("TEST 2: without scan input\n");
	printf("Press Start for test 3.\n");

    while(aptMainLoop()) {
        gspWaitForVBlank();

        if(hidKeysDown() & KEY_START)
            break;

        gfxFlushBuffers();
        gfxSwapBuffers();
    }

    // Test 3
	printf("TEST 3: without flush\n");
	printf("Press Start for test 4.\n");

    while(aptMainLoop()) {
        gspWaitForVBlank();
        hidScanInput();

        if(hidKeysDown() & KEY_START)
            break;

        gfxSwapBuffers();
    }

    // Test 4
	printf("TEST 4: without swap\n");
	printf("Press Start for test 5.\n");

    while(aptMainLoop()) {
        gspWaitForVBlank();
        hidScanInput();

        if(hidKeysDown() & KEY_START)
            break;

        gfxFlushBuffers();
    }

    // Test 5
	printf("TEST 5: without anything\n");
	printf("Press A to test something.\n");
	printf("Press Start for test 6.\n");

    while(aptMainLoop()) {
        hidScanInput();
        if(hidKeysDown() & KEY_A)
            printf("\e[32msomething :)\e[0m\n");
        if(hidKeysDown() & KEY_START)
            break;
    }

    // Test 6
	printf("TEST 6: literally without anything\n");
	printf("Press Start to end.\n");

    while(true) {
        hidScanInput();
        if(hidKeysDown() & KEY_START)
            break;
        gfxFlushBuffers();
    }

    // End
	printf("Press Start to exit.\n");

    while(aptMainLoop()) {
        gspWaitForVBlank();
        hidScanInput();

        if(hidKeysDown() & KEY_START)
            break;

        gfxFlushBuffers();
        gfxSwapBuffers();
    }

    gfxExit();
    return 0;
}