#include <stdio.h>
#include<errno.h> //
#include <stdlib.h>
#include <string.h>
#define BUFFER_SIZE
constexpr auto max = 5;
#define _CRT_SECURE_NO_WARNINGS 1
#define _WINSOCK_DEPRECATED_NO_WARNINGS 1
#pragma warning(disable:4996)
struct vending_machine
{
	char MN[20]; //alloc mem size of char
	char ML[20];
	int stat, pin, index; //ints for program
};
struct vending_machine Machine;
int array_search = 0;
struct vending_machine Add_New_Machine; //struct to add new vending machine
struct vending_machine Max_machine[max];
int menu() {
	int option;
	printf("***************************************************************\n");
	printf("* Please select a option                                      *\n");
	printf("* 1. Add Machine                                              *\n");
	printf("* 2. Show All Machines                                        *\n");
	printf("* 3. Search Machine By Index                                  *\n");
	printf("* 4. Delete Machine                                           *\n");
	printf("* 5. Update Machine Status                                    *\n");
	printf("* 6. Exit                                                     *\n");
	printf("***************************************************************\n");
	scanf_s("%d", &option);
	return option;
}
void Add_machine()
{
	FILE * file_pointer;
	char mn[20], location[20];
	int Machine_pin, Machine_status;
	file_pointer = fopen("machine.txt", "w+");
	printf("Machine Name::\n");
	scanf_s("%s", mn, sizeof(mn)); //gets size of machine name stops bs when writing to a file
	fputs(mn, file_pointer);
	strcpy_s(Add_New_Machine.MN, 20, mn); //pushes name to assigned value
	printf("Location::\n");
	scanf_s("%s", location, sizeof(location));
	strcpy_s(Add_New_Machine.ML, 20, location);
	fputs(location, file_pointer);
	printf("Pin Number\n");
	scanf_s("%i", &Machine_pin);
	Add_New_Machine.pin = Machine_pin;
	printf("Status::\n");
	scanf_s("%i", &Machine_status);
	Add_New_Machine.index = array_search;
	Max_machine[array_search] = Add_New_Machine; //adds value to max assignmed machines
	fclose(file_pointer);
}
void List_machines()
{
	for (int i = 0; i < array_search; i++) //FOR LOOP EVERYTHING NO NEED FOR A WHILE
	{
		printf("Name: %s Room: %s Machine Pin: %i Machine Status: %i Machine Index: %i\n",
		Max_machine[i].MN,Max_machine[i].ML,Max_machine[i].pin,Max_machine[i].stat,Max_machine[i].index);
	}

}
void search()
{
		int i;
		scanf_s("%i", &i);
		printf("search the index *the number no chars *\n");
		printf("%s %s %i %i %i\n",
		Max_machine[i].MN,
		Max_machine[i].ML,
		Max_machine[i].pin,
		Max_machine[i].stat,
		Max_machine[i].index);
}
void update()
{
	int i = 0;
	printf("Enter index");
	scanf_s("%i", &i);
	//pinMode(machines[i].pin, OUTPUT);
	if (Max_machine[i].stat == 0)
	{
		Max_machine[i].stat = 1;
		//This turns pin on
		int pin = Max_machine[i].pin;
		//digitalWrite(pin,HIGH);
		printf("%s on \n", Max_machine[i].MN);
	}
	else
	{
		Max_machine[i].stat = 0;
		//Turning pin off
		int pin = Max_machine[i].pin;
		printf("%s off \n", Max_machine[i].MN);

	}
}
void kill() {

	int i, index;
	printf("Enter index to remove\n");
	scanf_s("%i", &index);
	for (i = index; i < array_search - 1; i++)
	{
		Max_machine[i] = Max_machine[i + 1];
	}
	printf(" Removed \n");
	array_search -= 1;
}
int machine_count()
{
	FILE *fptr;
	errno_t err;
	int count = 0;
	char c;
	if ((err = fopen_s(&fptr, "machine.txt", "r")) != NULL)
	{
		printf("Error! opening file\n");
		return -1;
	}
	while (!feof(fptr))
	{
		c = fgetc(fptr);
		if (c == '\n')
		{
			count++;
		}
	}
	fclose(fptr);
	return count;
}
int main()
{
	//Init Setup


	printf("Allocated Mem: %i\n", array_search);
	int option = 1;
	while (option != 0)
	{
		option = menu();
		switch (option)
		{
		case 1:
			Add_machine();
			break;
		case 2:
			List_machines();
			break;
		case 3:
			search();
			break;
		case 4:
			kill();
			break;
		case 5:
			update();
			break;
		case 6:

		default:
			break;
		}
	}
}