ff

passWord='Zainab'

def writeEmployee():
    with open('Employee.txt','a') as file :
        c = 'y'
        while c =='y' or c=='Y' :
            Id=input('Enter id : ')
            Name=input('Enter name : ')
            file.write(Id+'\t\t'+Name+'\n')
            c=input('Do you want to enter records again ? (y or n) ')



#*******************************************************************************#*******************************************************************************#





def readEmployee():
    with open('Employee.txt','r') as file :
        print('Employee_ID\tEmployee_Name')
        print('------------------------------------------')
        for line in file:
            print(line, end='')



#*******************************************************************************#*******************************************************************************#




def writeCustomer():
    with open('Customer.txt','a') as file :
        namecustomer=input('Enter your  name : ')
        customerphone=input('Enter your phone number : ')
        file.write(namecustomer+'\t\t'+customerphone+'\n')


#*******************************************************************************#*******************************************************************************#



def readCustomer():
    with open('Customer.txt','r') as file :
        print('Customer_Name\tCustomer_PhoneNum')
        print('------------------------------------------')
        for line in file:
            print(line, end='')



#*******************************************************************************#*******************************************************************************#




def writeProduct(Employee_ID):
    with open('Product.txt', 'a')as file:
        c='y'
        while c=='y' or c=='Y':
            ID=input('Enter the product id: ')
            Name=input('Enter the product name: ')
            Price=input('Enter the product price: ')
            file.write(ID+'\t'+Name+'\t'+Price+'\t'+Employee_ID+'\n')
            c=input('Enter records of product again (y/n)? ')



#*******************************************************************************#*******************************************************************************#



def readProduct():
    with open('Product.txt', 'r')as file:
        print('ID\tName\tPrice\tEmployee_ID')
        print('-----------------------------------')
        for line in file:
            print(line , end='')




#*******************************************************************************#*******************************************************************************#




def readProduct2():
    with open('Product.txt', 'r')as file:
        print('ID\tName\tPrice')
        print('-----------------------------------')
        for line in file:
             l=line.split('\t')
             print(l[0] + '\t' + l[1] + '\t' + l[2])







#*******************************************************************************#*******************************************************************************#


def searchProduct():
    Name=input('Enter the name for the product to search: ')
    flag=False
    with open('Product.txt', 'r') as file:
        for line in file:
            pr=line.split('\t')
            if Name==pr[1]:
                flag=True
                print('ID:',pr[0],'\tName:',pr[1],'\tPrice:',pr[2])
        if not flag:
            print('\n"Sorry, The product is not found!"\n')








#*******************************************************************************#*******************************************************************************#


def deleteProduct():
    import os
    ID=input('Enter the id for the product: ')
    flag=False
    file=open('Product.txt', 'r')
    tempProduct=open('TempProduct.txt', 'w')
    for line in file:
        pr=line.split('\t')
        if ID==pr[0]:
            flag=True
        else:
            tempProduct.write(line)
    file.close()
    tempProduct.close()
    os.remove('Product.txt')
    os.rename('TempProduct.txt','Product.txt')
    if flag:
        print('\n"Product record deleted successfuly"\n')
    if not flag:
        print('\n"Sorry, The product is not found!"\n')



#*******************************************************************************#*******************************************************************************#



#update hereeeeeeeeeeeeeeeeee





#*******************************************************************************#*******************************************************************************#



def menuEmpolyee(Id , Name) :
    ch='Y'
    while ch=='Y' or ch=='y' :
        print('1) add new Employees')
        print('2) read all Employees')
        print('3) read all products')
        print('4) search about product by name')
        print('5) delete product by it\'s id')

        # op 6 and 7 need update autometically in field edited by
        print('6) update at price of product by it\'s id ')
        print('7) add new product')
        print('press any key to exit ')
        op=int(input('\n\nEnter your choice : \n'))


        if  op== 1 :
            writeEmployee()
        elif op==2 :
            readEmployee()
        elif op==3 :
            readProduct()
        elif op==4 :
            searchProduct()
        elif op==5 :
            deleteProduct()
        elif op==6 :
            print('update in price soon ........ ')
            # call updateProduct(Id)
            # call edited by person
        elif op==7 :
            writeProduct(Id)
        else :
            return

        ch=input('\nIf you want to continue press [ Y / N ] : ')



#*******************************************************************************#*******************************************************************************#





def  menuCustomer(Name , Phone):
   # countVis= # call cnt no of exiting the same customer in the file already

     ch='Y' ; totalPrice =0;

     with open("Sales.txt" ,'w' ) as sale:
          while ch=='Y' or ch=='y' :

               print('\n1) read all products to buy from them ')
               print('2) search about product by name \'if you want to buy it call \'read all products\' \'')
               print('if you want to exit press any key ')
               opt= int(input('\n\nEnter your choice : \t\n'))


               if opt== 1:
                   readProduct2()
                   wantedID=input('Enter id of the needed product : ')
                   with open("Product.txt" ,'r' ) as file :
                        for line in file :
                            L = line.split('\t')
                            if wantedID== L[0] :
                                sale.write(line)
                                totalPrice+=int(L[2])
                                break


               elif opt == 2 :
                    searchProduct()

               else :
                    break
               ch= input('If you want to continue press [ Y / N ] : ')



  # the customer not buy anything
     if totalPrice==0 :
        print( 'thanks for using our system')
        return

     print('===========    id of sales &  name & their prices   =========== \n')
     with open("Sales.txt" ,'r' ) as sale:
         for line in sale :
             l=line.split('\t')
             print(l[0] + '\t' + l[1] + '\t' + l[2] )
     print('\nYour total price = ' , totalPrice)
     # check if count function > 0 then there exist discount


     print('\n\n***********************************   thanks for using our system   ***********************************')



#*******************************************************************************#*******************************************************************************#




def Main():
    op1 = int(input('1) Employee.\n2) Customer.\nEnter Your choice : '))

    if op1 == 1 : # Employee
        newPass=input('Enter the password for employees : ')
        cnt=1

        while  newPass != passWord and  cnt < 3  :
            newPass=input('Invalid password !\nplease try again : ')
            cnt+=1

        if newPass !=passWord :
          return

        print('\n*************  Welcome  *************\n')

        with open('Employee.txt','a') as file :
            Id=input('Enter your id : ')
            Name=input('Enter your  name : ')
            file.write(Id+'\t\t'+Name+'\n')   # suppose that they always true

        print('\n************* logged in *************\n')

        menuEmpolyee(Id , Name)

    elif op1==2 : # Customer
       # phone , name -> get them from funtion writeCustomer
       with open('Customer.txt','a') as File :
        Name=input('Enter your  name : ')
        Phone=input('Enter your phone number : ')
        File.write(Name+'\t\t'+Phone+'\n')

        menuCustomer(Name , Phone)


    else :
        return