using System.Collections.Generic;
using DG.Tweening;
using TMPro;
using UnityEngine;

public class Card : MonoBehaviour
{
    // ========= serializeField ========
    [SerializeField] private int coast = 9;
    [SerializeField] private string title = "Card";

    // ========= private =========
    private int ID;
    private Canvas canvas;
    private SpriteRenderer sprite_renderer;
    private bool is_drag = false;

    // ========= Hover Message =========
    private readonly Vector3 hover_position = Vector3.zero;
    private readonly Quaternion hover_rotation = Quaternion.identity;
    private const int hover_layer_sort_order = 100;
    private float hover_duration;
    private CardStatus card_status;
    private TurnSingleton turnSingleton;
    private TurnEventManagement turnManager;


    //  =============== UI ================
    private SpriteRenderer cardBackground;
    private TMP_Text coastUI;
    private TMP_Text titleUI;


    private struct CardStatus
    {
        public Vector3 POSITION;
        public Quaternion ROTATION;
        public Vector3 SCALE;
        public int SORTING_ORDER;
    }


    // ========= debug =========
    private readonly Vector3 debug_draw_position = Vector3.zero;

    private void Awake()
    {
        sprite_renderer = GetComponent<SpriteRenderer>();
        turnSingleton = TurnSingleton.Instance;
        card_status.SCALE = transform.localScale;
        transform.localScale = Vector3.zero;

        canvas = transform.Find("Canvas").GetComponent<Canvas>();
        cardBackground = transform.GetChild(0).GetComponent<SpriteRenderer>();
        coastUI = canvas.transform.GetChild(0).GetComponent<TMP_Text>();
        titleUI = canvas.transform.GetChild(1).GetChild(0).GetComponent<TMP_Text>();
    }

    private void Start()
    {
        if (canvas.renderMode == RenderMode.WorldSpace && canvas.worldCamera == null) canvas.worldCamera = Camera.main;
        coastUI.text = coast.ToString();
        titleUI.text = title;
    }

    public void SetID(int id) => ID = id;
    public void SetTurnManager(TurnEventManagement turnEventManagement) => turnManager = turnEventManagement;
    public void SetHoverDuration(float drag_duration) => hover_duration = drag_duration;

    private void OnMouseDrag()
    {
        if (is_drag) return;
        if (!turnSingleton.VerificationSystemStatus(turnManager.GetState(), TURN_OS_STATE.STAY_SELF_TURN)) return;
        if (!turnSingleton.VerificationActionStatus(turnManager.GetActionState(), TURN_ACTION_STATE.WAIT)) return;
        Sequence seq = DOTween.Sequence();
        seq.Join(transform.DOMove(hover_position, hover_duration));
        seq.Join(transform.DOScale(card_status.SCALE * 2f, hover_duration));
        seq.Join(transform.DORotateQuaternion(hover_rotation, hover_duration));
        sprite_renderer.sortingOrder = hover_layer_sort_order;
        cardBackground.sortingOrder = hover_layer_sort_order - 1;
        canvas.sortingOrder = hover_layer_sort_order + 1;
        is_drag = true;
        turnManager.SetActionState(TURN_ACTION_STATE.PICK_RUNNING);
    }

    private void OnMouseUp()
    {
        Sequence seq = DOTween.Sequence();
        seq.Join(transform.DOMove(card_status.POSITION, hover_duration));
        seq.Join(transform.DOScale(card_status.SCALE, hover_duration));
        seq.Join(transform.DORotateQuaternion(card_status.ROTATION, hover_duration));
        seq.OnComplete(() =>
        {
            turnManager.SetActionState(TURN_ACTION_STATE.WAIT);
            is_drag = false;
        });
        sprite_renderer.sortingOrder = card_status.SORTING_ORDER;
        cardBackground.sortingOrder = card_status.SORTING_ORDER - 1;
        canvas.sortingOrder = card_status.SORTING_ORDER + 1;
    }
    // **************************


    public void DrawCard(STRUCT_TURN_CARD.LET_CARD_DEAL_SELF args)
    {
        List<REQUEST_METHODS> verificationList = new() { REQUEST_METHODS.POST };
        if (!turnSingleton.VerificationRequestsMethods(args.METHOD, verificationList)) return;
        if (!turnSingleton.VerificationSystemStatus(turnManager.GetState(), TURN_OS_STATE.STAY_SELF_TURN)) return;
        if (!turnSingleton.VerificationActionStatus(turnManager.GetActionState(), TURN_ACTION_STATE.DEAL_RUNNING)) return;
        if (args.ID != ID) return; // 不接受其他ID的卡牌以及其他消息
        Vector3 move_position = args.POSITION;
        Quaternion rotation = args.ROTATION;
        float duration = args.DURATION;
        int layer_sort_order = args.LAYER_SORT_ORDER;
        move_position.z = -layer_sort_order * 0.5f;

        sprite_renderer.sortingOrder = layer_sort_order * 3;
        cardBackground.sortingOrder = layer_sort_order * 3 - 1;
        canvas.sortingOrder = layer_sort_order * 3 + 1;
        Sequence seq = DOTween.Sequence();
        seq.Join(transform.DOMove(move_position, duration));
        seq.Join(transform.DOScale(card_status.SCALE, duration));
        seq.Join(transform.DORotateQuaternion(rotation, duration));
        seq.OnComplete(() =>
        {
            // 记录默认数值
            card_status.POSITION = move_position;
            card_status.ROTATION = rotation;
            card_status.SORTING_ORDER = layer_sort_order * 3;
        });
    }

    public void DropCard(STRUCT_TURN_CARD.LET_CARD_DROP_SELF args) // 弃牌
    {
        List<REQUEST_METHODS> verificationList = new() { REQUEST_METHODS.DELETE };
        if (!turnSingleton.VerificationRequestsMethods(args.METHOD, verificationList)) return;

        card_status.SCALE = transform.localScale;
        transform.localScale = Vector3.zero;
        if (args.ID != ID) return; // 不接受其他ID的卡牌以及其他消息
        float duration_scale = args.DURATION / 3f;
        float duration_move = args.DURATION - duration_scale;
        Sequence seq = DOTween.Sequence();
        seq.Append(transform.DOScale(new Vector3(0.05f, 0.05f, 0.05f), duration_scale));
        seq.Append(DOTween.Sequence()
            .Join(transform.DOMove(args.POSITION, duration_move))
            .Join(transform.DORotateQuaternion(Quaternion.identity, duration_move)));
        seq.OnComplete(() => { Destroy(gameObject); });
    }
}