#include "list.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

struct student {
	char *name;
	struct list_elem elem;
};

// Read a line from stdin, strip the eventual newline and return a pointer
// to the string. Remember to free the pointer.
char *read_input() {
	char *buf = NULL;
	size_t buf_size = 0;
	size_t read = getline(&buf, &buf_size, stdin);
	if (read == -1) {
		free(buf);
		buf = NULL;
	} else if (read >= 1 && buf[read - 1] == '\n') {
		buf[read - 1] = '\0';
	}
	return buf;
}

int read_int() {
	char *buf = read_input();
	int res = -1;
	if (!buf) {
		printf("Failed to read int from stdin\n");
	} else {
		res = atoi(buf);
	}
	free(buf);
	return res;
}

void insert (struct list *student_list) {
}

void delete (struct list *student_list) {
}

void list (struct list *student_list) {
}

void quit (struct list *student_list) {
}

int main() {
	struct list student_list;
	list_init (&student_list);
	int opt;

	do {
		printf("Menu:\n");
		printf("1 - Insert student\n");
		printf("2 - Delete student\n");
		printf("3 - List students\n");
		printf("4 - Exit\n");
		scanf("%d", &opt);
		switch (opt) {
			case 1:
				{
					insert(&student_list);
					break;
				}
			case 2:
				{
					delete(&student_list);
					break;
				}
			case 3:
				{
					list(&student_list);
					break;
				}

			case 4:
				{
					quit(&student_list);
					break;
				}
			default:
				{
					printf("Quit? (1/0):\n");
					scanf("%d", &opt);
					if (opt)
						quit(&student_list);
					break;
				}
		}
	} while(1);
		
	return 0;
}