using System.Collections.Generic;
using Continentis.MainGame;
using Continentis.MainGame.Card;
using Continentis.MainGame.Character;
using Continentis.MainGame.Commands;
using Continentis.Mods.Basic.Buffs;
using SLSUtilities.General;

namespace Continentis.Mods.Basic.Cards
{
    /// <summary>
    /// 余烬打击：消耗一张手牌，对单体目标造成火焰伤害并施加灼烧 Buff。
    /// 若手牌中没有其他牌可消耗，跳过所有后续效果。
    /// </summary>
    public class CinderStrike : CardLogicBase
    {
        private const string BUFF_BURN_STACK = "Buff_Burn_Stack";

        private AttackContext FireCtx => AttackContext.Default(card)
           .WithDamageKeywords(CardKeywords.Fire);

        public override void SetUpLogicComponents()
        {
            AddLogicComponent<CardLogicComponent_Attack>();
            AddLogicComponent<CardLogicComponent_SelectHandCards>()
                .SetCondition(c => c != card)
                .SetEffect(c => CommandQueueManager.Instance.AddCommand(
                    user.deckSubmodule.DiscardCard(c, true, 0f)));
        }

        /// <summary>选中目标时更新伤害预览。</summary>
        public override void TargetingEffect(CharacterBase target)
        {
            card.SetAttribute("Display_Damage", GetTargetedFinalDamage(target, FireCtx));
        }

        /// <summary>取消选中时以无目标模式刷新预览。</summary>
        public override void UntargetingEffect()
        {
            card.SetAttribute("Display_Damage", GetNoTargetFinalDamage(FireCtx));
        }

        public override CommandGroup PlayEffect(List<CharacterBase> targetList)
        {
            // 手牌中（排除自身）没有可弃的牌，跳过所有后续效果
            if (user.deckSubmodule.HandPile.Exclude(card).Count == 0)
            {
                return Cmd.Sequential(new Cmd_PlayAnimation(user.characterView, "Attack"));
            }

            CommandGroup mainGroup = Cmd.Sequential(
                new Cmd_PlayAnimation(user.characterView, "Attack")
            );

            // 弹出手牌选择 UI，强制选择 1 张弃掉
            LogicComponent<CardLogicComponent_SelectHandCards>()
                .AddSelectionCommands(ref mainGroup, "Card_Basic_CinderStrike_SelectHandCards_Title".Localize(), 1, forceMax: true);

            // 弃牌完成后再造成伤害和灼烧
            mainGroup.AddCommand(Cmd.Do(() =>
            {
                foreach (CharacterBase target in targetList)
                {
                    AttackContext ctx = FireCtx;
                    AttackTarget(target, GetTargetedFinalDamage(target, ctx), ctx);
                    CreateCharacterBuff<Burn>(GetAttribute(BUFF_BURN_STACK)).Apply(target, user, this);
                }
            }));

            return mainGroup;
        }

        public override void ApplyAttributeChangesByCard()
        {
            LogicComponent<CardLogicComponent_Attack>().SetDamage_Magic();
        }
    }
}