using System;
using Continentis.MainGame.Combat;
using Lean.Pool;
using UnityEngine;
using UnityEngine.UI;

namespace Continentis.MainGame.UI
{
    public class CombatMainPage : UIPageBase
    {
        public RectTransform dropZone;
        public DrawPile drawPile;
        public HandPile handPile;
        public DiscardPile discardPile;
        public ExhaustPile exhaustPile;
        public GravePile gravePile;
        public TeamSwitchButton teamSwitchButton;
        public HandCardSelectionInterface handCardSelector;
        public CustomCardSelectionInterface customCardSelector;
        public CombatResourcesDisplayer combatResourcesDisplayer;
        public ActionOrderDisplayer actionOrderDisplayer;
        public RoundHint roundHint;
        public Button endActionButton;

        private Action currentButtonAction;

        protected override void Awake()
        {
            base.Awake();
            endActionButton.onClick.AddListener(OnButtonClicked);
            // 默认绑定结束行动
            SetButtonAction(CombatMainManager.Instance.EndAction, "End Action", false);
        }

        /// <summary>
        /// 切换按钮回调、文本和可交互状态，统一从此处管理。
        /// </summary>
        public void SetButtonAction(Action action, string label, bool interactable)
        {
            currentButtonAction = action;
            endActionButton.GetComponentInChildren<TMPro.TMP_Text>().text = label;
            endActionButton.interactable = interactable;
        }

        private void OnButtonClicked()
        {
            currentButtonAction?.Invoke();
        }

        public void ClearAllCardViews()
        {
            drawPile.cardViews.ForEach(c => LeanPool.Despawn(c.gameObject));
            handPile.cardViews.ForEach(c => LeanPool.Despawn(c.gameObject));
            discardPile.cardViews.ForEach(c => LeanPool.Despawn(c.gameObject));
            exhaustPile.cardViews.ForEach(c => LeanPool.Despawn(c.gameObject));
            gravePile.cardViews.ForEach(c => LeanPool.Despawn(c.gameObject));

            drawPile.cardViews.Clear();
            handPile.cardViews.Clear();
            discardPile.cardViews.Clear();
            exhaustPile.cardViews.Clear();
            gravePile.cardViews.Clear();

            drawPile.UpdateCountText();
            handPile.UpdateCountText();
            discardPile.UpdateCountText();
            exhaustPile.UpdateCountText();
            gravePile.UpdateCountText();
        }

        public PileBase Pile(string pileName)
        {
            switch (pileName)
            {
                case "Draw":
                    return drawPile;
                case "Hand":
                    return handPile;
                case "Discard":
                    return discardPile;
                case "Exhaust":
                    return exhaustPile;
                case "Grave":
                    return gravePile;
                case "Intention":
                    throw new NotImplementedException("Intention pile UI is in HUD, not in DeckPage.");
                default:
                    throw new ArgumentOutOfRangeException(nameof(pileName), pileName, null);
            }
        }
    }
}