#include<stdio.h>
#include<conio.h>
#include<string.h>
#include <time.h>
#include <stdlib.h>
float Ninty_Code=9.5;
float EightySeven_Code =8.7;
float Desiel_Code =6.6;
void Registration();
int RegisterCustomer();
void RegisterEmployee();
void PasswordSystem();
void Details ();
void Display();
void employee_file ();
int Purchase ();
int menu();
/*
int menu();
int Diesel();
int Ninty();
int EightySeven();
*/
int purchase (float cost);

int main ()
{
int choice;

do {
    //PasswordSystem();
    choice = menu();
    switch (choice) {
        case 1 : Registration(); break;
        case 2 : Purchase();     break;
        case 3 : Display();      break;
        case 5 : Details();      break;
        case 0 : return 0;
    }
}  while(1);
}

//THIS FUNCTION IS DISPLAY THE RELEVANT DETAILS OF THE COMPANY
void Details()
{
    system("cls");
    printf ("\t\t\t\tEagle Energy Jamaica Limited\n");
    printf ("\t\t\t\t176 Port Royal Street, Kingston\n");
    printf ("\t\t\t\t\tBranch 9.5\n");
    printf ("\t\t\t\t\tJavaughn Jordan - Supervisor\n");
    printf ("\t\t\t\t\tDuvaun Clacken- Assistant Supervisor\n");
    printf ("\t\t\tJhevante Mcdonald - Managing Director\n");
    printf ("\t\t\tjhevante.mcdonald@gmail.com\n");
    printf ("\t\t\t\t\t1876-898-0479\n");
    system ("pause");
    menu();
}
//THIS PASSWORD SYSTEM WILL GIVE THE USER 3 ATTEMPTS TO ENTER THE CORRECT INFORMATION
//THE PROGRAM WILL EXIT UPON 3 FAILED ATTEMPTS
void PasswordSystem(){
FILE* file_ptr = NULL;
char name[20];
char password[10];
char employee_password[20];
int attempt,i,id_code;
id_code = attempt = i = 0;
//THE PASSWORD AND USER CAN BE EASILY CHANGED AT LINE 75
while (((attempt < 3 || strcmp(name, "admin") == 0) && strcmp(password, "pass") == 0))
    {
i++;
    printf ("\tYou have 3 attempts, This is attempt # %d\n\n",i);
    printf("Enter username: ");
    scanf("%s",name);
    printf("Enter password: ");
    scanf("%s",password);
        if (strcmp(name, "admin") == 0 && strcmp(password, "pass") == 0)
            {
                printf("\n\n\t\tAccess granted\n");
                system ("pause");
                system("cls");
                //EMPLOYEES WILL USE THEIR NAME AS THE PASSWORD(ALL LOWER CASE)
                file_ptr = fopen("EmployeeRegistration.txt", "a");
                    if (file_ptr == NULL)
                        {
                            printf (" File does not exist\n");
                        }
                    else {
                            /* do{
                                printf (" Please enter your employee id");
                                scanf("%d", &id_code);
                                printf (" please enter your password");
                                scanf("%s", employee_password);
                            }while(id_code != id) && employee_password != employee_name;
                            //fprintf (file_ptr,);
                        }
                            fclose(file_ptr);

                if(id_code==0 &&password==0)
                    printf("access granted...");
                else
                    printf("access denied !")
                    */
                break;
            }
            }
        else
            {
                printf("Access denied\n");
            }
    attempt++;
    }
}
//AN EASILY FORMATTED MENU OF OPTIONS
int menu ()
{
    int choice;
    system("cls");
    printf (" \t\tEagle Energy System Options \n");
    printf("\n 1) Add And Update");
    printf("\n 2) Sell Petrol");
    printf("\n 3) Display Records");
    printf("\n 4) Details");
    printf("\n 0) Quit\n\n");
    scanf ("%d", &choice);

    return choice;
}
/*
//THE FUNCTION THAT HANDLES GAS PURCHASES MADE
int purchase(float cost)
{
int company_code;
int personal_code;
//CHECK TO SEE IF THE ENTERED COMPANY CODE IS VALID
do{
    printf (" Please Enter company code... \n");
    scanf  ("%d", &company_code);
        if (company_code != EightySeven_Code || company_code != Ninty_Code || company_code != Desiel_Code )
        {
            printf (" Invalid Company code, please try again\n\n");
        }
    }while(company_code != EightySeven_Code || company_code != Ninty_Code || company_code != Desiel_Code );

//CHECK TO SEE IF THE ENTERED ID CODE IS VALID
    printf (" Please Enter Identification Number number: \n");
    scanf  ("%d", &personal_code);
    return cost;
}
*/

void employee_file (int personal_code)
{
    FILE* file_ptr = fopen("c:\\users\\shawn\\Registration.txt", "a");
    if (file_ptr == NULL)
            {
            printf (" File does not exist\n");
            }
    else {

             fprintf (file_ptr,"id: %d\n",personal_code);
        }
fclose(file_ptr);

return;
}


int RegisterCustomer()
{
	FILE* file_ptr = NULL;
    float company_code;
    int personal_code;
    int identification_number;
	int reg_confirmation,registration_save;
    char identification_type[20];
	char Emp_Name[25];
    char Emp_Title[25];

    printf (" We accept PASSPORT, NATIONAL ID and DRIVER's LICENSE\n as  form of identification, Please enter your ID # then enter the type of \n identification.\n\n");
    printf ("  Please enter your Identification Number:  ");
    scanf ("%d", &identification_number);
       do{
            printf ("Please type either 'passport' or 'national' or 'drivers'\n");
            scanf ("%s", identification_type);
                if ((strcmp(identification_type, "passport") == 0) || (strcmp(identification_type, "national") == 0) || (strcmp(identification_type, "drivers") == 0))
                    {
                        printf ("");
                    }
                else
                    {
                        printf(" You have entered an invalid ID type. Please try again..\n");
                    }
        }while((strcmp(identification_type, "passport") != 0) && (strcmp(identification_type, "national") != 0) && (strcmp(identification_type, "drivers") != 0));

    printf (" Please Enter company code \n");
    scanf  ("%f", &company_code);
        if (company_code != EightySeven_Code || company_code != Ninty_Code || company_code != Desiel_Code);
            {
                printf(" Invalid company code, please try again.\n");
            do{
                printf (" Please Enter company code \n");
            scanf  ("%f", &company_code);
              }while(company_code != EightySeven_Code && company_code != Ninty_Code && company_code != Desiel_Code);
        }
    printf (" Please enter desired identification number: \n");
    scanf  ("%d", &personal_code);

    printf(" Is this information correct?\n\n");
    printf("Identification number: %d\n", identification_number);
    printf("identification type  : %s\n",identification_type);
    printf("ID                   : %d\n",personal_code);
    printf("Company Code         : %.2f\n", company_code);
    printf(" \n 1) for Yes \n 2) for No\n");
    scanf ("%d", &reg_confirmation);
        switch (reg_confirmation)
        {
            case 1: printf (" Would you like to save employee information ?\n");
					printf(" 1) for Yes \n 2) for No\n");
					scanf ("%d", &registration_save);
					 switch(registration_save)
						   {
							   case 1:     file_ptr = fopen("CustomerRegistration1.txt", "a");
							  //case 1:     FILE* file_ptr = fopen("c:\\users\\shawn\\Registration.txt", "a");
								if (file_ptr == NULL)
								   {
									  printf (" File does not exist\n");
									 }
								else {
        fprintf (file_ptr,"%s \t%d \t%d \t%f\n",identification_type,identification_number,personal_code,company_code);
								 //fprintf (file_ptr,"Identification Type: %s \t id: %d \t Personal Code: %d \t Company Code: %f\n",identification_type,identification_number,personal_code,company_code);
							 }
                                fclose(file_ptr);
                            case 2: return;
                            default: printf ("Invalid selection.\n");
                        }

    case 2: return 0;
	}
    return personal_code;
}
//REGISTER EMPLOYEE FUNCTION
void RegisterEmployee()
{
	FILE* file_ptr = NULL;
    int personal_code,i;
    char Emp_Name[25];
    char Emp_Title[25];
    int reg_confirmation,registration_save;
    reg_confirmation = registration_save = personal_code=0;

    printf(" Please enter employee's desired ID\n ");
    scanf ("%d",&personal_code);
    printf(" Please enter the employee's name \n ");
    scanf ("%s", Emp_Name);
    printf(" Please enter the employee's Job Title \n ");
    scanf ("%s", Emp_Title);
    printf(" Is this information correct?\n\n");
    printf("ID   : %d\n",personal_code);
    printf("Name : %s\n",Emp_Name);
    printf("Title: %s\n",Emp_Title);
    printf(" \n 1) for Yes \n 2) for No\n");
    scanf ("%d", &reg_confirmation);
        switch (reg_confirmation)
        {
            case 1: printf (" Would you like to save employee information ?\n");
					printf(" 1) for Yes \n 2) for No\n");
					scanf ("%d", &registration_save);
					 switch(registration_save)
						   {
							   case 1:     file_ptr = fopen("EmployeeRegistration.txt", "a");
							  //case 1:     FILE* file_ptr = fopen("c:\\users\\shawn\\Registration.txt", "a");
								if (file_ptr == NULL)
								   {
									  printf (" File does not exist\n");
                                    }
								else {
                                        i++;
                                        fprintf (file_ptr,"%d)id: %d \t Employee_Name: %s \t Employee Title: %s \t Company Code\n",i,personal_code,Emp_Name,Emp_Title);
                                    }
                                fclose(file_ptr);;
                            case 2: return;
                            default: printf ("Invalid selection.\n");
                        }

    case 2: return ;
	}
}

void Registration()
{
    int registration_choice;
    system("cls");
    printf ("\n\nPlease select and option.\n");
    printf ("1) Register a Customer.\n");
    printf ("2) Register an Employee.\n\n");
    scanf("%d", &registration_choice);
system("cls");
switch (registration_choice)
    {
        case 1:
            RegisterCustomer();
            break;
        case 2:
            RegisterEmployee();
            break;
        default:
            printf ("You have selected an invalid option.\n");
    }

return;
}

void Display()
{

char ch;
FILE* file_ptr = NULL;
file_ptr = fopen("EmployeeRegistration.txt", "r");
    if (file_ptr == NULL)
        {
            printf (" File does not exist\n");
        }
    else {
            system("cls");
            printf ("\tEmployee Information\n\n");
            while(1)
            {
                ch = fgetc(file_ptr);
                if (ch==EOF)
                {
                    break;
                }
                printf ("%c",ch);
            }
            printf(" \n\nPress any key to continue..");
            getch();
        }
return;
}

int Purchase()
{
int sale_identification_number;
int eagle_identification_number;
int company_code,purchase_decision,gas_choice;
int id,id_code,employee_identification_number , customer_identification;
char petrol_name[12];
int pump_number;
float amount_per_gallon , amount_sold , value_of_sale , cost,DESIEL,NINTY,EIGHTYSEVEN;
time_t rawtime;
struct tm * timeinfo;
int identification_type,identification_number,personal_code;
    system ("cls");
    time ( &rawtime );
    timeinfo = localtime ( &rawtime );
    cost = gas_choice = sale_identification_number = pump_number = amount_per_gallon = amount_sold = value_of_sale = 0;
    srand (time(NULL));
    sale_identification_number = rand()%1000;

DESIEL = 101.71;
NINTY = 99.81;
EIGHTYSEVEN = 115.21;

    printf ("Please select the type of gas you would like to purchase \n");
    printf ("\n1) Desiel");
    printf ("\n2) Ninty");
    printf ("\n3) Eighty Seven\n");
    scanf ("%d", &gas_choice);
        if (gas_choice ==1)
            {
                amount_per_gallon = DESIEL;
				strcpy(petrol_name,"Desiel");
            }
        if (gas_choice ==2)
            {
                amount_per_gallon = NINTY;
               strcpy(petrol_name,"Ninty");
            }

        if (gas_choice ==3)
            {
                amount_per_gallon = EIGHTYSEVEN;
                strcpy(petrol_name,"Eighty Seven");
                printf ("hi");
            }
            fflush(stdin);

            printf (" id:");
            scanf("%d",&id_code);
            FILE *fp= NULL;
            fp= fopen("CustomerRegistration1.txt", "r");
            if(fp== NULL)
                {
                    printf("Error Acessing file");
                }
            else
                {
                    rewind(fp);
                    while(!feof(stdin))
                        {
                            //fscanf(fp,"%d", &id);
                            fscanf (fp,"%s \t%d \t%d \t%f\n",identification_type,&identification_number,&personal_code,&company_code);
                        }
                if (id_code==identification_number)
                    {
                        printf("Id confirmed\n");
                    }
                else
                    {
                        printf ("\nID Not found, please try again or register.");
                    }
                }


    printf ("\nPlease enter the amount of gallons being purchased\n");
    scanf ("%f",&amount_sold);

    value_of_sale = (amount_per_gallon * amount_sold);

    printf ("Would you like to print a reciept or start again ? Please enter 1 or 2");
    printf ("\n1) Start again");
    printf ("\n2) Print Reciept \n");
    scanf  ("%d", &purchase_decision);
        if (purchase_decision == 1)
            {
                Purchase();
            }
        else if (purchase_decision == 2)
            {
                system("cls");
            }

    printf ("\t\t\t\tEagle Energy Jamaica Limited\n");
    printf ("\t\t\t\t176 Port Royal Street, Kingston\n");
    printf ("\t\t\t\t\tBranch 9.5\n");
    printf ("\t\t\tJhevante Mcdonald - Managing Director\n");
    printf ("\t\t\t\tjhevante.mcdonald@gmail.com\n");
    printf ("\t\t\t\t\t1876-898-0479\n");
    printf ("The transaction number is: %d \n", sale_identification_number);
    printf ("Eagle Energy ID          :");
    printf (" \nCustomer ID              :%d",id_code);
    printf (" \nPetrol Name              :%s",petrol_name);
    printf (" \nAmount sold in Gallons   :%d Gal.",(int)amount_sold);
    printf (" \nCost Per Gallon          :%.3f",amount_per_gallon);
    printf (" \nTotal Cost               :%.3f",value_of_sale);
    printf (" \nThis purchase was made on:%s", asctime(timeinfo));
    system("pause");
    return cost;
}
/*
{
   system("mkdir C:\\Windows\\test");
}
*/