using System;
using System.Collections;
using System.Collections.Generic;
using DG.Tweening;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.EventSystems;
using Sequence = DG.Tweening.Sequence;

public class CardHandler : MonoBehaviour
{
    // ======== serializeField ========

    // ======== private ========
    private SpriteRenderer sprite_renderer;
    private Vector3 default_scale;
    private readonly Vector3 initialize_scale = Vector3.zero;
    private Vector3 hover_scale;
    private readonly Vector3 hover_position = Vector3.zero;
    private readonly Quaternion hover_rotation = Quaternion.identity;
    private const int hover_layer_sort_order = 100;
    private const float hover_duration = 0.15f;

    // ========= 处于手牌中的信息 =========
    private Vector3 hand_position;
    private Quaternion hand_rotation;
    private Vector3 hand_scale;
    private int hand_sort_order;
    private Canvas canvas;

    private void Awake()
    {
        sprite_renderer = GetComponent<SpriteRenderer>();
        default_scale = transform.localScale;
        hover_scale = default_scale * 2f;
        transform.localScale = initialize_scale;
        canvas = transform.Find("Canvas").GetComponent<Canvas>();
        if (canvas.renderMode == RenderMode.WorldSpace && canvas.worldCamera == null)
        {
            canvas.worldCamera = Camera.main;
        }
    }

    private void OnMouseDrag()
    {
        transform.DOMove(hover_position, hover_duration);
        transform.DOScale(hover_scale, hover_duration);
        transform.DORotateQuaternion(hover_rotation, hover_duration);
        sprite_renderer.sortingOrder = hover_layer_sort_order;
        canvas.sortingOrder = hover_layer_sort_order + 1;
        // transform.position = hover_position;
        // transform.localScale = hover_scale;
    }

    private void OnMouseUp()
    {
        // print("hello");
        transform.DOMove(hand_position, hover_duration);
        transform.DOScale(hand_scale, hover_duration);
        transform.DORotateQuaternion(hand_rotation, hover_duration);
        sprite_renderer.sortingOrder = hand_sort_order;
        canvas.sortingOrder = hand_sort_order + 1;
    }


    public void m_recv_draw_a_card(Vector3 move_position, Quaternion rotation, float duration, int layer_sort_order)
    {
        move_position.z = -layer_sort_order * 0.5f;
        hand_position = move_position;
        hand_rotation = rotation;
        hand_scale = default_scale;
        hand_sort_order = layer_sort_order * 2;
        sprite_renderer.sortingOrder = hand_sort_order; // 精灵排序图层
        canvas.sortingOrder = hand_sort_order + 1;
        transform.DOMove(move_position, duration);
        transform.DORotateQuaternion(rotation, duration);
        transform.DOScale(default_scale, duration);
    }

    public void m_recv_drop_a_card(Vector3 drop_position, float duration)
    {
        Sequence seq = DOTween.Sequence();
        seq.Append(transform.DOScale(new Vector3(0.05f, 0.05f, 0.05f), duration));
        seq.Append(
            DOTween.Sequence()
                .Join(transform.DOMove(drop_position, duration))
                .Join(transform.DORotateQuaternion(Quaternion.identity, duration))
        );
        seq.OnComplete(() => { Destroy(gameObject); });
    }
}