using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class TurnHandlerDropCard : MonoBehaviour
{
    // ======== serializeField ========
    [SerializeField] private RectTransform dropCardPlace;
    [SerializeField] private Camera mainCamera;
    [SerializeField] private float cardDropDuration = 0.2f;

    // ======== private ========
    private Vector3 drop_card_point_world_position;
    private TurnEventManagement turnManager;

    private void Awake()
    {
        turnManager = GetComponent<TurnEventManagement>();
    }

    private void Start()
    {
        if (mainCamera == null) mainCamera = Camera.main;
        RectTransformUtility.ScreenPointToWorldPointInRectangle(
            rect: dropCardPlace,
            screenPoint: dropCardPlace.position,
            cam: mainCamera,
            out drop_card_point_world_position);
    }

    private void DropCard() // 系统弃牌
    {
        if (turnManager.GetState() != EVENT_OS_STATE.WAIT) return; // 系统正在处理其他事务
        StartCoroutine(coroutine());
        return;


        IEnumerator coroutine()
        {
            turnManager.SetState(EVENT_OS_STATE.DROP_RUNNING);
            if (turnManager.GetHandCardCount() > 0)
            {
                for (var i = 0; i < turnManager.GetHandCardCount(); i++)
                {
                    turnManager.GetHandCard(i).;
                    EventOS.EVENT_TRIGGER(EventData.EVENT_REGISTER_EVENT_ENUM.EVENT_LET_CARD_DROP_SELF,
                        new EventStruct.STRUCT_EVENT_DROP_CARD
                        {
                            ID = i,
                            POSITION = drop_card_point_world_position,
                            DURATION = cardDropDuration,
                        });
                    yield return new WaitForSeconds(cardDropDuration);
                }
            }

            handCardList.Clear(); // 清空
            turnManager.SetState(EVENT_OS_STATE.WAIT);
        }
    }
}