#include <stdio.h>
#include <pico/stdlib.h>
#include <hardware/gpio.h>
#include <unistd.h>

#define LED_PIN 6
#define BUTTON_PIN 20

void blinkLED(int count, int delay_ms) {
    for (int i = 0; i < count; i++) {
        gpio_put(LED_PIN, 1); // Turn on LED
        sleep_ms(delay_ms);
        gpio_put(LED_PIN, 0); // Turn off LED
        sleep_ms(delay_ms);
    }
}

int main() {
    stdio_init_all();

    // Initialize GPIO pins for LED and toggle button
    gpio_init(LED_PIN);
    gpio_set_dir(LED_PIN, GPIO_OUT);

    gpio_init(BUTTON_PIN);
    gpio_set_dir(BUTTON_PIN, GPIO_IN);
    gpio_pull_up(BUTTON_PIN);

    int minute = 0;
    bool reversePattern = false;

    while (minute < 3) {
        int blinkCount;

        if (reversePattern) {
            blinkCount = (3 - minute) * 10; // Reverse blink count for the current minute
        } else {
            blinkCount = (minute + 1) * 10; // Original blink count for the current minute
        }

        printf("Blinking LED %d times in minute %d\n", blinkCount, minute + 1);
        blinkLED(blinkCount, 500); // Blink LED with a delay of 500ms between blinks

        sleep_ms(60000 - blinkCount * 1000); // Sleep for remaining seconds in the minute

        // Check if the toggle button is pressed to reverse the pattern
        if (!gpio_get(BUTTON_PIN)) {
            reversePattern = !reversePattern;
            printf("Blinking pattern reversed!\n");
        }

        minute++;
    }

    return 0;
}