package lk.ac.pdn.ceit.tasks.ui;

import lk.ac.pdn.ceit.tasks.TaskManager;
import lk.ac.pdn.ceit.tasks.entities.Task;

public class TextUI {
    private TaskManager taskManager;

    public void setTaskManager(TaskManager taskManager) {
        this.taskManager = taskManager;
    }

    public void start() {
        while(true) {
            String command = IO.readln("Command> ");

            switch (command.trim().toLowerCase()) {
                case "q":
                case "quit":
                    IO.println("Thank you for using Task Tracker.");
                    System.exit(0);

                case "createtask":
                    createNewTask();
                    break;

                case "updatetask":
                    updateTask();
                    break;

                default:
                    IO.println("Command not found.");
                    break;
            }
        }
    }

    private void createNewTask() {
        String title = IO.readln("Enter task title: ");
        String description = IO.readln("Enter task description: ");

        Task newTask = taskManager.createNewTask(title, description);

        IO.println("New task created: " + newTask);
    }
    
    private void updateTask() {
        // Ask the user to enter task id
        String taskId = IO.readln("Enter task ID: ");

        // Get the Task from TaskManager
        Task task = taskManager.findById(Integer.parseInt(taskId));

        // Show the Task details to user
        IO.print(task);

        // Prompt the user to update Task properties
        String title = IO.readln("New title: ");
        if (! title.equals("")) {
            task.setTitle(title);
        }
        // ...

        // Use the TaskManager and update the task
        taskManager.updateTask(task);
        IO.println("Task updated.");
    }

}