/* beefsteak: a pomodoro timer */
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>

#define WORK_TIME_MIN 50
#define BREAK_TIME_MIN 10
#define SESSION_COUNT 3

/* System requirements:
 * notify-send
 * */

/* 60 SECONDS = 1 MINUTE */
/* 60 MINUTES = 1 HOUR, 3600 SECONDS */


int clear_stream(void) {
	fflush(stdout);
	printf("\r");
	return(0);
}

void seconds_to_string(int seconds) {
	int hour = 0;
	int minute = 0;

	if ((seconds/60) >= 60) { // If seconds > one hour
		hour = (seconds - (seconds % 3600)) / 3600;
		seconds = seconds % 600;
	}
	if ((seconds/60) >= 1) { // If seconds > one minute
		minute = (seconds - (seconds % 60)) / 60;
		seconds = seconds % 60;
	}

	printf("%.2d:%.2d:%.2d", hour, minute, seconds);
	/* FOR FIGLET IN THE FUTURE: */
	/* char timer[10];
	sprintf(timer, "%.2d:%.2d:%.2d", hour, minute, seconds);
	printf("%s", timer); */
	clear_stream();
}

int send_notification(int type) {
	char command[100], message[100];
	strcpy(command, "notify-send "); /* Notifcation Backend */
	switch(type) {
		case 0: /* Work Started */
			sprintf(message, "\"🍅 Work Session Started\" \"Time Remaining: %d minutes.\"", WORK_TIME_MIN);
			strcat(command, message);
			system(command);
			break;
		case 1: /* Break Started */
			sprintf(message, "\"🏖️ Break Session Started\" \"Time Remaining: %d minutes.\"", BREAK_TIME_MIN);
			strcat(command, message);
			system(command);
			break;
		case 2: /* Session Ended*/
			sprintf(message, "\"🕰️ Pomodoro Session Complete\" \"All Done.\"");
			strcat(command, message);
			system(command);
			break;
	}
	return 0;
}

int main(int argc, char **argv) {
	for (int i = 0; i < SESSION_COUNT; i++) {
		int work_time_seconds = WORK_TIME_MIN * 60;
		int break_time_seconds = BREAK_TIME_MIN * 60;
		send_notification(0);
		while (work_time_seconds > 0) {
			printf("Work Time Left: ");
			seconds_to_string(work_time_seconds);
			sleep(1);
			work_time_seconds--;
		}
		send_notification(1);
		while (break_time_seconds > 0) {
			printf("Break Time Left: ");
			seconds_to_string(break_time_seconds);
			sleep(1);
			break_time_seconds--;
		}
	}
	send_notification(2);
	return 0;
}