#include <stdio.h>
#include <stdbool.h>
#include <time.h>
#include <unistd.h>

void clearConsole(const unsigned int clearHeight);

int main() {
    bool inProgress = true;
    time_t startTime = time(NULL);

    while(inProgress) {
        sleep(1);

        if(difftime(time(NULL), startTime) == (24 * 60)) {
            clearConsole(50);

            printf("Go check the oven, bud.\n");
            printf("Your pizza is done!\n");

            inProgress = false;
        } else {
            const unsigned int elapsedTimeMinutes = (const unsigned int)difftime(time(NULL), startTime) / 60;
            const unsigned int elapsedTimeSeconds = (const unsigned int)difftime(time(NULL), startTime) - (elapsedTimeMinutes * 60);

            printf("Elapsed Time: %dm %ds\n", elapsedTimeMinutes, elapsedTimeSeconds);
        }
    }

    return 0;
}

void clearConsole(const unsigned int clearHeight) {
    for(unsigned int i = 0; i < clearHeight; i++) {
        printf("\n");
    }
}