Main.cpp

/**
 * Carlos Castellanos
 * June 21, 2026
 * Core program execution loop managing user menus and input routing interfaces.
 */

#include <iostream>
#include <string>
#include "ItemTracker.h"

using namespace std;

int main() {
    // Instantiate your system engine with the exact required rubric configuration paths
    ItemTracker tracker("CS210_Project_Three_Input_File.txt", "frequency.dat");

    int menuOption = 0;
    string targetSearchWord;

    // Primary application dashboard loop control flag monitoring
    while (menuOption != 4) {
        cout << "\n=========================================" << endl;
        cout << "         Corner Grocer Analytics         " << endl;
        cout << "=========================================" << endl;
        cout << "1. Look Up Item Frequency" << endl;
        cout << "2. Print Total Numerical Frequency List" << endl;
        cout << "3. Print Character Histogram Visual" << endl;
        cout << "4. Exit Application Console" << endl;
        cout << "=========================================" << endl;
        cout << "Enter selection selection preference (1-4): ";

        // Catch string types if entered to shield the switch selector from getting trapped
        if (!(cin >> menuOption)) {
            cout << "Invalid format detected. Please select a numerical choice." << endl;
            cin.clear();
            cin.ignore(10000, '\n');
            continue;
        }

        switch (menuOption) {
        case 1:
            cout << "Please specify the item name: ";
            cin >> targetSearchWord;
            cout << "\n>> Result matching '" << targetSearchWord << "': "
                << tracker.getItemFrequency(targetSearchWord) << " total item matches." << endl;
            break;

        case 2:
            tracker.printAllFrequencies();
            break;

        case 3:
            tracker.printHistogram();
            break;

        case 4:
            cout << "Closing terminal operations context. Local system backup finalized successfully." << endl;
            break;

        default:
            cout << "Value entry selection index bounds violation. Select an option from 1 to 4." << endl;
            break;
        }
    }

    return 0;
}