/*Angel0430
Service Request: SR-kf-008
Change Request Number 2
Modify the C program so that the user inputs the purchase amount
Check the user's input for validity
Have user select from a menu which store to use for the tax calculation
Calculate and display the tax amount for the store selected and the total sale amount for that store
*/
// user selects amount of purchase
#include<stdio.h>
/*Using define macros for assigning tax to different stores */
#define DelMar 7.25
#define Encinitas 7.5
#define LaJolla 7.75
/*
Input:
o Del Mar - 7.25%
o Encinitas - 7.5%
o La Jolla - 7.75%
Output:
The sales tax amount for store selected by user for an amount selected by user
*/
float user_input(){
    float amount;
    printf("Please Enter the sales amount\n");
    scanf("%f", &amount);
    return amount;
}
int displayMenu(){
    int choice;
    printf("1. Del Mar - (7.25%%)\n");
    printf("2. Encinitas - (7.5%%)\n");
    printf("3. La Jolla - (7.75%%)\n");
    printf("\n\nSelect a store for tax calculation [1-3]:");
    scanf("%d",&choice);
    return choice;
}
int main(void){
// The total sales for each store is
    float sales = user_input();
    char c;
    int storenum;
    if (sales < 0.0) {
        printf("Error! Sales cannot be negative\n");
        exit(1);
    }
    storenum = displayMenu();
//Display Program Header
    printf("Tax Calculator for Kudler Fine Foods for All 3 locations\n\n\n");
    printf("STORE LOCATION\tSALES AMOUNT\tTAX RATE\tTAX AMOUNT\n");
    printf("==============\t============\t========\t==========\n");
    printf("==============\t============\t========\t==========\n");
    switch (storenum){
        case 1:
        //Calculate and print the store location, Sales, Tax rate, and Tax amnt for Del Mar
            printf("Del Mar \t$%.2f\t\t%.2f%%\t\t%.2f%\t\n",sales, DelMar, sales*DelMar/100);
            break;
        case 2:
//Calculate and print the store location, Sales, Tax rate, and Tax amnt for Encinitas
            printf("Encinitas\t$%.2f\t\t%.2f%%\t\t%.2f%\t\n",sales, Encinitas, sales*Encinitas/100);
            break;
        case 3:
//Calculate and print the store location, Sales, Tax rate, and Tax amnt for La Jolla
            printf("La Jolla \t$%.2f\t\t%.2f%%\t\t%.2f%\t\n",sales, LaJolla, sales*LaJolla/100);
            break;
    }
    //Switch ends
    printf("================================================================\n");
    printf(" +++++++++++++++++++++++++++++++++++++++++++++++++\n");
    printf(" Press ENTER to Exit Program and Have A Nice Day \n");
    printf(" +++++++++++++++++++++++++++++++++++++++++++++++++\n");
    c=getchar();
    return 0;
}