using System;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class CharacterSelectionPanel : MonoBehaviour, IControl
{

    public event Action<Character> BeforeCharacterChange;
    public event Action<Character> OnCharacterChanged;

    [SerializeField] TextMeshProUGUI CharacterNameLabel;
    [SerializeField] Image CharacterIcon;
    [SerializeField] float ChangeCharacterInterval = 0.15f;
    [SerializeField] AudioClip ClickSound;

    private float LastSwipeTime = 0;
    private Character[] characters;
    public int CharacterIndex { get; private set; }


    public int CharactersCount => characters.Length;
    public Character SelectedCharacter => characters[CharacterIndex];
    private bool CanSwipe => Time.time - LastSwipeTime > ChangeCharacterInterval;
    

    private void OnEnable()
    {
        characters = CharactersController.GetCharactersArray();
        CharacterIndex = 0;
        DisplaySelectedCharacter();
    }

    public void Swipe(int direction)
    {
        if (CanSwipe)
        {
            if (ClickSound != null) { SoundManager.instance.playClip(ClickSound); }
            BeforeCharacterChange?.Invoke(SelectedCharacter);

            CharacterIndex = (CharacterIndex + direction + CharactersCount) % CharactersCount;
            DisplaySelectedCharacter();

            OnCharacterChanged?.Invoke(SelectedCharacter);
            LastSwipeTime = Time.time;
        }
    }

    public void Switch() { }

    private void DisplaySelectedCharacter()
    {
        CharacterNameLabel.text = SelectedCharacter.Name;
        CharacterIcon.sprite = SelectedCharacter.Icon;
    }

}