using System;
using System.Collections.Generic;
using Continentis.MainGame.Card;
using Continentis.MainGame.Character;
using DG.Tweening;
using SLSFramework.General;
using UniRx;
using UnityEngine;
using Random = UnityEngine.Random;

namespace Continentis.MainGame.Commands
{
    public class Cmd_ReshuffleDeck : CommandBase
    {
        private readonly DeckSubmodule deck;
        private readonly float interval;
        private readonly float singleCardAnimationDuration = 0.5f; // 单张卡牌的动画时长
        
        public Cmd_ReshuffleDeck(DeckSubmodule deck, float interval)
        {
            this.deck = deck;
            this.interval = interval;
        }

        protected override IObservable<Unit> OnExecute(CommandContext outerContext)
        {
            var cardStream = deck.DiscardPile.ToObservable();
            var timerStream = Observable.Interval(TimeSpan.FromSeconds(interval));

            return timerStream
                .Zip(cardStream, (_, card) => card)
                .Select(card => MoveCardToDrawPile(card))
                .Merge()
                .Last()
                .Do(_ => deck.DrawPile.Shuffle())
                .AsUnitObservable();
        }
        
        private IObservable<Unit> MoveCardToDrawPile(CardInstance card)
        {
            deck.TransferCard(deck.DiscardPile, deck.DrawPile, card);
            //card.cardLogic.eventSubmodule.onInitiativeDiscard.Invoke();
            
            card.handCardView.TransferCardView(CombatUIManager.Instance.combatMainPage.drawPile);
            
            Vector3 deltaMove = Vector3.zero - card.handCardView.cardTransform.localPosition;
            Vector3 randomLift = new Vector3(Random.Range(-200f, 200f), Random.Range(200f, 600f), 0);
            
            card.handCardView.cardOrb.gameObject.SetActive(true);
            card.handCardView.cardTransform.DOBlendableLocalMoveBy(deltaMove, singleCardAnimationDuration)
                .OnComplete(() =>
                {
                    card.handCardView.cardOrb.gameObject.SetActive(false);
                }).Play();
            
            card.handCardView.cardTransform.DOBlendableLocalMoveBy(randomLift, singleCardAnimationDuration * 0.5f).SetLoops(2, LoopType.Yoyo).Play();
            
            card.handCardView.cardTransform.DOScale(Vector3.zero, singleCardAnimationDuration).Play();

            return Observable.Timer(TimeSpan.FromSeconds(singleCardAnimationDuration)).AsUnitObservable();
        }

    }
}