Project 11

#include <iostream>
using namespace std;

struct MonthlyBudget {
  double housing;
  double utilities;
  double expenses;
  double transportation;
  double food;
  double medical;
  double insurance;
  double entertainment;
  double clothing;
  double misc;
};

MonthlyBudget getAmount(MonthlyBudget, double[], string[]);

double validate(double, string);
void budgetLimit(double, double);
void showBudget(MonthlyBudget, double[], string[]);

int main() {
  string monthly_budget_type[10] = {
    "housing",
    "utilities",
    "household expenses",
    "transportation",
    "food",
    "medical",
    "insurance",
    "entertainment",
    "clothing",
    "misc"
  };

  double budgetLimit[10] = {
    500.00, 150.00, 65.00, 50.00, 250.00,
    30.00, 100.00, 150.00, 75.00, 50.00
  };

  MonthlyBudget user;

  user = getAmount(user, budgetLimit, monthly_budget_type);
  showBudget(user, budgetLimit, monthly_budget_type);

    return 0;
}

MonthlyBudget getAmount(MonthlyBudget data, double limit[], string type[]) {
  for(int i = 0; i < 10; i++) {
    switch (i) {
      case 0: data.housing = validate(data.housing, type[i]);
        break;
      case 1: data.utilities = validate(data.utilities, type[i]);
        break;
      case 2: data.expenses = validate(data.expenses, type[i]);
        break;
      case 3: data.transportation = validate(data.transportation, type[i]);
        break;
      case 4: data.food = validate(data.food, type[i]);
        break;
      case 5: data.medical = validate(data.medical, type[i]);
        break;
      case 6: data.insurance = validate(data.insurance, type[i]);
        break;
      case 7: data.entertainment = validate(data.entertainment, type[i]);
        break;
      case 8: data.clothing = validate(data.clothing, type[i]);
        break;
      case 9: data.misc = validate(data.misc, type[i]);
        break;
    }
  }

  return data;
}

void budgetLimit(double amount, double limit) {
  if(amount >= limit) {
    amount -= limit;
    cout << ". The limit is $" << limit << ", you are $" << amount << " over the limit." << endl;
  }
  else {
    amount = limit - amount;
    cout << ". The limit is $" << limit << ", you are $" << amount << " under the limit." << endl;
  }
}

void showBudget(MonthlyBudget data, double limit[], string type[]) {
  cout << endl;
  for(int i = 0; i < 10; i++) {
    switch (i) {
      case 0: cout << "Amount spent in " << type[i] << ": $" << data.housing;
        budgetLimit(data.housing, limit[i]);
        break;
      case 1: cout << "Amount spent in " << type[i] << ": $" << data.utilities;
        budgetLimit(data.utilities, limit[i]);
        break;
      case 2: cout << "Amount spent in " << type[i] << ": $" << data.expenses;
        budgetLimit(data.expenses, limit[i]);
        break;
      case 3: cout << "Amount spent in " << type[i] << ": $" << data.transportation;
        budgetLimit(data.transportation, limit[i]);
        break;
      case 4: cout << "Amount spent in " << type[i] << ": $" << data.food;
        budgetLimit(data.food, limit[i]);
        break;
      case 5: cout << "Amount spent in " << type[i] << ": $" << data.medical;
        budgetLimit(data.medical, limit[i]);
        break;
      case 6: cout << "Amount spent in " << type[i] << ": $" << data.insurance;
        budgetLimit(data.insurance, limit[i]);
        break;
      case 7: cout << "Amount spent in " << type[i] << ": $" << data.entertainment;
        budgetLimit(data.entertainment, limit[i]);
        break;
      case 8: cout << "Amount spent in " << type[i] << ": $" << data.clothing;
        budgetLimit(data.clothing, limit[i]);
        break;
      case 9: cout << "Amount spent in " << type[i] << ": $" << data.misc;
        budgetLimit(data.misc, limit[i]);
        break;
    }
  }
}

double validate(double amount, string budgetType) {
  cout << "Enter the amount spent for " << budgetType << ": $";
    cin >> amount;

    while(cin.fail()) {
        cin.clear();
        cin.ignore(256, '\n');
        cout << "Enter the amount spent for " << budgetType << "(digits only): $";
        cin >> amount;
    }

  return amount;
}