////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 2022 Martin Bustos @FronkonGames <fronkongames@gmail.com>
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions of
// the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
using UnityEngine;
using FronkonGames.TinyTween;

/// <summary>
/// Drag card.
/// </summary>
[RequireComponent(typeof(Collider))]
public sealed class CardDrag : MonoBehaviour, IDrag
{
  public bool IsDraggable { get; private set; } = true;

  public bool Dragging { get; set; }

  [SerializeField]
  private Ease riseEaseIn = Ease.Linear;  

  [SerializeField]
  private Ease riseEaseOut = Ease.Linear;  

  [SerializeField, Range(0.0f, 5.0f)]
  private float riseDuration = 0.2f;  

  [SerializeField]
  private Ease dropEaseIn = Ease.Linear;  

  [SerializeField]
  private Ease dropEaseOut = Ease.Linear;  

  [SerializeField, Range(0.0f, 5.0f)]
  private float dropDuration = 0.2f;  

  [SerializeField]
  private Ease invalidDropEase = Ease.Linear;  

  [SerializeField, Range(0.0f, 5.0f)]
  private float invalidDropDuration = 0.2f;  

  private Vector3 dragOriginPosition;  

  public void OnPointerEnter(Vector3 position) { }

  public void OnPointerExit(Vector3 position) { }

  public void OnBeginDrag(Vector3 position)
  {
    dragOriginPosition = transform.position;

    IsDraggable = false;

    TweenFloat.Create()
      .Origin(dragOriginPosition.y)
      .Destination(position.y)
      .Duration(riseDuration)
      .EasingIn(riseEaseIn)
      .EasingOut(riseEaseOut)
      .OnUpdate(tween => transform.position = new Vector3(transform.position.x, tween.Value, transform.position.z))
      .OnEnd(_ => IsDraggable = true)
      .Owner(this)
      .Start();
  }

  public void OnDrag(Vector3 deltaPosition, IDrop droppable)
  {
    deltaPosition.y = 0.0f;
    transform.position += deltaPosition;
  }

  public void OnEndDrag(Vector3 position, IDrop droppable)
  {
    if (droppable is { IsDroppable: true } && droppable.AcceptDrop(this) == true)
      TweenFloat.Create()
        .Origin(transform.position.y)
        .Destination(position.y)
        .Duration(dropDuration)
        .EasingIn(dropEaseIn)
        .EasingOut(dropEaseOut)
        .OnUpdate(tween => transform.position = new Vector3(transform.position.x, tween.Value, transform.position.z))
        .Owner(this)
        .Start();
    else
    {
      IsDraggable = false;

      transform.TweenMove(dragOriginPosition, invalidDropDuration, invalidDropEase).OnEnd(_ => IsDraggable = true);
    }
  }

  private void OnEnable()
  {
    dragOriginPosition = transform.position;
  }
}