FORT-BO/Assets/CONTENT/Game/Scripts/Cannon/CannonTimerView.cs

using TMPro;
using UnityEngine;

[DisallowMultipleComponent]
public sealed class CannonTimerView : MonoBehaviour
{
    [SerializeField] private NetworkCannonController controller;
    [SerializeField] private TMP_Text timerText;
    [SerializeField] private string emptyText = "INSERT ROCKET";
    [SerializeField] private string loadedFormat = "DELAY  {0:0}s";
    [SerializeField] private string countdownFormat = "FIRE IN  {0:0.0}s";

    private void OnEnable()
    {
        if (controller != null)
            controller.Changed += Refresh;
        Refresh();
    }

    private void OnDisable()
    {
        if (controller != null)
            controller.Changed -= Refresh;
    }

    private void Update()
    {
        if (controller != null && controller.State == CannonState.Countdown)
            Refresh();
    }

    private void Refresh()
    {
        if (timerText == null || controller == null)
            return;

        timerText.text = controller.State switch
        {
            CannonState.Empty => emptyText,
            CannonState.Loaded => string.Format(loadedFormat, controller.SelectedDelay),
            CannonState.Countdown => string.Format(
                countdownFormat, controller.RemainingSeconds),
            _ => emptyText
        };
    }
}