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>
    /// 火焰射线：选择 3 次目标（可重复），对每个选中的目标造成火焰伤害并施加灼烧 Buff。
    /// 卡牌数据需配置 targetCount = 3，关键词需包含 AllowDuplicateTargets 和 TargetEnemies。
    /// </summary>
    public class FireRays : CardLogicBase
    {
        private const string BUFF_BURN_STACK = "Buff_Burn_Stack";

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

        public override void SetUpLogicComponents()
        {
            AddLogicComponent<CardLogicComponent_Attack>();
        }

        /// <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)
        {
            // targetList 可包含重复目标（由多目标选择系统传入）
            return Cmd.Sequential(
                new Cmd_PlayAnimation(user.characterView, "Attack"),
                ForEachTarget(targetList, target => Cmd.Do(() =>
                {
                    AttackContext ctx = FireCtx;
                    AttackTarget(target, GetTargetedFinalDamage(target, ctx), ctx);

                    int burnStacks = GetAttribute(BUFF_BURN_STACK);
                    CreateCharacterBuff<Burn>(burnStacks).Apply(target, user, this);
                }))
            );
        }

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