using System;
using System.Collections.Generic;
using System.Linq;
using Cysharp.Threading.Tasks;
using Continentis.MainGame.Card;
using Continentis.MainGame.Character;
using DG.Tweening;
using SLSUtilities.General;
using UnityEngine;
using Random = UnityEngine.Random;

namespace Continentis.MainGame.Commands
{
    public class Cmd_DiscardCards : CommandBase
    {
        private readonly DeckSubmodule deck;
        private readonly List<CardInstance> cardsToDiscard;
        private readonly bool isInitiative;

        private float interval;
        private const float SingleCardAnimationDuration = 0.5f;

        public Cmd_DiscardCards(DeckSubmodule deck, List<CardInstance> cards, bool isInitiative, float interval)
        {
            this.deck = deck;
            this.cardsToDiscard = cards;
            this.isInitiative = isInitiative;
            this.interval = interval;
        }

        protected override async UniTask ExecuteAsync(CommandContext outerContext)
        {
            if (cardsToDiscard == null || cardsToDiscard.Count == 0) return;

            if (interval <= 0f)
            {
                await UniTask.WhenAll(cardsToDiscard.Select(card => DiscardCardAsync(card)));
            }
            else
            {
                var tasks = new UniTask[cardsToDiscard.Count];
                for (int i = 0; i < cardsToDiscard.Count; i++)
                {
                    CardInstance captured = cardsToDiscard[i];
                    tasks[i] = DiscardCardWithDelayAsync(captured, i * interval);
                }
                await UniTask.WhenAll(tasks);
            }
        }

        private async UniTask DiscardCardWithDelayAsync(CardInstance card, float delay)
        {
            if (delay > 0f)
                await UniTask.Delay(TimeSpan.FromSeconds(delay));
            await DiscardCardAsync(card);
        }

        private async UniTask DiscardCardAsync(CardInstance card)
        {
            if (isInitiative && card.eventSubmodule.onInitiativeDiscard.GetChecks().Any())
            {
                CommandQueueManager.Instance.AddCommand(Cmd.Do(() =>
                    card.eventSubmodule.onInitiativeDiscard.GetEffects().ForEach(effect => effect.Invoke())));
                return;
            }

            deck.TransferCard(deck.Pile(card.cardLocation.pileName), deck.DiscardPile, card);
            card.handCardView.TransferCardView(CombatUIManager.Instance.combatMainPage.discardPile);

            RectTransform cardTransform = card.handCardView.cardTransform;
            Vector3 deltaMove = Vector3.zero - cardTransform.localPosition;
            Vector3 randomLift = new Vector3(Random.Range(-200f, 200f), Random.Range(200f, 600f), 0f);

            cardTransform.DOBlendableLocalMoveBy(deltaMove, SingleCardAnimationDuration).Play();
            cardTransform.DOBlendableLocalMoveBy(randomLift, SingleCardAnimationDuration * 0.5f)
                .SetLoops(2, LoopType.Yoyo).Play();
            cardTransform.DOLocalRotate(new Vector3(0f, 0f, 720f), SingleCardAnimationDuration, RotateMode.FastBeyond360).Play();
            cardTransform.DOScale(Vector3.zero, SingleCardAnimationDuration).SetEase(Ease.Linear).Play();

            await UniTask.Delay(TimeSpan.FromSeconds(SingleCardAnimationDuration));
        }
    }
}