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

#include <cstdlib>
#include <ctime>
#include <cstdlib>
using namespace std;
int money=0;
bool charger_status=false;
int password=0;
bool time_check=true;
int time_mm;
bool password_check(int pass )

{

    if(pass==password)
    {
        return true;
    }
    else
    {
        return false;
    }


}
void timer(int minute)
{

        int h=0,m=0,s=0;
        system("CLS") ;
        s++;
     for(;;)
    {

         if(s==minute)
         {
             return;
         }

    if(s==60)
    {
      s=0;
      m++;
           if(m==60)
            {
              m=0;
              h++;
                 if(h==24)
                {
                h=0;
                }
            }
        }


    printf("%d:%d:%d \n",h,m,s);
    _sleep(1000);
    s++;




     }


}

int generate_password()
{
    srand(time(NULL));
    return  rand() % (10000 - 90000) + 10000 ;


}

void charge(int m)
{
    cout<<"plese connect cable to your device if finished please input 1"<<endl;
    int choice;
    cin>>choice;
    while(!(choice==1))
    {
        cin>>choice;

    }
    password=generate_password();
    cout<<"your password : "<<password<<endl;
    _sleep(3000);

    timer(m);
    charger_status=true;
    return;



}

void money_check(int choice,int m)
{
    int temp_money=choice*30;
    if(m==temp_money)
    {

        charge(m);
    }
    if(m>temp_money)
    {
        int result = m-temp_money;

        cout<<"return = "<<result<<"  baht."<<endl;
        charge(temp_money);
    }
    else
    {
        cout<<"not enough money return "<<m<<" baht."<<endl;
        return;

    }



}

void service ()
{
        int choice;
        cout<<"1) 30 minute  30 baht."<<endl;
        cout<<"2) 60 minute  60 baht."<<endl;
        cout<<"3) 90 minute  90 baht."<<endl;
        cout<<"please input choice <<";
        cin>>choice;
        switch (choice)
        {
        case 1:
            cout<<"please insert money << ";
            cin>>money;
            money_check(choice,money);
            break;
        case 2:
            cout<<"please insert money << ";
            cin>>money;
            money_check(choice,money);
            break;
        case 3:
            cout<<"please insert money << ";
            cin>>money;
            money_check(choice,money);
            break;
        default:
            cout<<"please try again."<<endl;
            return;
            break;
        }



}
int main()
{
    cout<<"Wellcome  "<<endl;

    int choice =0;
    while(true)
    {
        cout<<"------------menu---------------"<<endl;
        cout<<"1) charge your mobile phone "<<endl;
        cout<<"2) get your mobile phone back "<<endl;
        cout<<"input choice<< "<<endl;
        cin>>choice;
        switch (choice)
        {

        case 1:
            if(!charger_status)
            {
                service();

            }

            break;
        case 2:
            if(charger_status)
        {
              cout<<"Enter your password <<"<<endl;
              int p;
              cin>>p;
              if(password_check(p))
              {
                    generate_password();
                    cout<<"finished"<<endl;
                    charger_status=false;

               }
        }
        else
        {
                  service();

        }


            break;


    }


    }









    return 0;
}