/*
 * FancyScrollView (https://github.com/setchi/FancyScrollView)
 * Copyright (c) 2020 setchi
 * Licensed under MIT (https://github.com/setchi/FancyScrollView/blob/master/LICENSE)
 */

namespace UnityEngine.UI.Extensions.Examples.FancyScrollViewExample06
{
    class Tab : FancyCell<ItemData, Context>
    {
        [SerializeField] Animator animator = default;
        [SerializeField] Text message = default;
        [SerializeField] Button button = default;

        static class AnimatorHash
        {
            public static readonly int Scroll = Animator.StringToHash("scroll");
        }

        public override void Initialize()
        {
            button.onClick.AddListener(() => Context.OnCellClicked?.Invoke(Index));
        }

        public override void UpdateContent(ItemData itemData)
        {
            message.text = itemData.Message;
        }

        public override void UpdatePosition(float position)
        {
            currentPosition = position;

            if (animator.isActiveAndEnabled)
            {
                animator.Play(AnimatorHash.Scroll, -1, position);
            }

            animator.speed = 0;
        }

        // GameObject が非アクティブになると Animator がリセットされてしまうため
        // 現在位置を保持しておいて OnEnable のタイミングで現在位置を再設定します
        float currentPosition = 0;

        void OnEnable() => UpdatePosition(currentPosition);
    }
}