main.cpp

#include <iostream>
#include <vector>
#include "Task.h"   // Include the Task class

using namespace std;

int main() {
    vector<Task> tasks;
    int choice;

    // Load tasks from file when program starts
    Task::loadTasks(tasks);

    do {
        cout << "\n===== TO-DO LIST MANAGER =====\n";
        cout << "1. ➕ Add Task\n";
        cout << "2. 📋 View Tasks\n";
        cout << "3. ✅ Mark Task as Completed\n";
        cout << "4. 💾 Save & Exit\n";
        cout << "Enter your choice: ";
        cin >> choice;

        switch (choice) {
            case 1: {
                string title, category;
                cout << "Enter task title: ";
                cin.ignore(); // Clear input buffer
                getline(cin, title);
                cout << "Enter category (optional): ";
                getline(cin, category);

                Task newTask(title, category);
                tasks.push_back(newTask);
                cout << "✅ Task added successfully!\n";
                break;
            }
            case 2:
                Task::viewTasks(tasks);
                break;
            case 3: {
                int index;
                cout << "Enter task number to mark as completed: ";
                cin >> index;
                Task::markCompleted(tasks, index);
                break;
            }
            case 4:
                Task::saveTasks(tasks);
                cout << "💾 Tasks saved. Exiting...\n";
                break;
            default:
                cout << "❌ Invalid choice, try again!\n";
        }
    } while (choice != 4);

    return 0;
}