#include <stdio.h>
#include <stdlib.h>

struct person {
	char name[20];
	char surname[20];
	char number[8];
	struct person* next;
};
typedef struct person Person;
typedef Person* Personpointer;

void addrecord();
void add(Personpointer);
void displayrecord();
void deleterecord();
void searchrecord();

Personpointer head = NULL;

void addrecord() {
	char tname[20];
	char tsurname[20];
	char tnumber[8];
	int value;
	Personpointer ptr;

	system("cls");
	printf("*******Add record*******");
	printf("\nEnter name: ");
	scanf_s("%s", tname);
	printf("\nEnter surname: ");
	scanf_s("%s", tsurname);
	do {
		printf("\nEnter 8-digit telephone number: ");
		scanf_s("%s", tnumber);
	} while (strlen(tnumber) != 8);

	ptr = malloc(sizeof(Person));

	strcpy(ptr->name, tname);
	strcpy(ptr->surname, tsurname);
	strcpy(ptr->number, tnumber);
	ptr->next = NULL;

	insert(ptr);
}

void deleterecord() {

}

void displayrecord() {
	Personpointer ptr = head;
	int index = 1;
	system("cls");
	while (ptr != NULL)
	{
		printf("%s %s %s", ptr->name, ptr->surname, ptr->number);
		printf("\n\n");
		ptr = ptr->next;

		index++;
	}

}

void searchrecord() {

}
int main(void)
{
	int mainmenu;
	do {
		system("cls");
		puts("===============================");
		puts("\n\tPhone Directory");
		puts("\n===============================");

		puts("\n\n1. Add telephone record.");
		puts("\n2. Delete telephone record.");
		puts("\n3. Search telephone records.");
		puts("\n4. Display all records.");
		puts("\n5. Exit.");

		puts("\n\nPlease select an option.");
		scanf_s("%d", &mainmenu);
		fflush(stdin);

		switch (mainmenu)
		{
		case 1:
			addrecord();
			break;
		case 2:
			deleterecord();
			break;
		case 3:
			break;
		case 4:
			displayrecord();
			break;
		}
	} while (mainmenu != 5);
	return 0;
}