using DG.Tweening;
using System;
using UnityEngine;

[Serializable]
public class MenuAnimator
{
    [SerializeField] private RectTransform _leftPanel;
    [SerializeField] private RectTransform _rightPanel;
    [SerializeField] private float _duration;
    [SerializeField] private Ease _ease;

    private float _leftOpenedPosition;
    private float _rightOpenedPosition;

    public void Initialize()
    {
        _leftOpenedPosition = _leftPanel.anchoredPosition.x;
        _rightOpenedPosition = _rightPanel.anchoredPosition.x;
    }

    public void Close(Action callback)
    {
        Sequence menuCloseSeq = GetCloseSequence();
        menuCloseSeq.onComplete += () => callback?.Invoke();
        menuCloseSeq.PlayForward();
    }

    public void Open(Action callback)
    {
        Sequence menuOpenSeq = GetOpenSequence();
        menuOpenSeq.onComplete += () => callback?.Invoke();
        menuOpenSeq.PlayForward();
    }

    public Sequence GetOpenSequence() => GetSequenceByState(true);
    public Sequence GetCloseSequence() => GetSequenceByState(false);

    private Sequence GetSequenceByState(bool open)
    {
        float leftTarget = open ? _leftOpenedPosition : 0;
        float rightTarget = open ? _rightOpenedPosition : 0;
        return GetTransitionSequence(leftTarget, rightTarget);
    }

    private Sequence GetTransitionSequence(float targetLeftX, float targetRightX)
    {
        if (_leftPanel == null || _rightPanel == null)
            throw new Exception("Панели не назначены!");

        var sequence = DOTween.Sequence();
        Tween left = _leftPanel.DOAnchorPosX(targetLeftX, _duration)
                               .SetEase(_ease);

        Tween right = _rightPanel.DOAnchorPosX(targetRightX, _duration)
                                 .SetEase(_ease);

        sequence.Join(left);
        sequence.Join(right);
        return sequence;
    }
}