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>
    /// 炽焰斩：对目标造成物理斩击伤害、火焰伤害，并施加灼烧 Buff。
    /// 两次伤害分别走独立的属性修正通道，卡牌关键词仅作标记用途。
    /// </summary>
    public class SearingSlash : CardLogicBase
    {
        private const string DAMAGE_PHYSICS = "Damage_Physics";
        private const string DAMAGE_FIRE    = "Damage_Fire";
        private const string BUFF_BURN_STACK = "Buff_Burn_Stack";

        private AttackContext PhysicsCtx => AttackContext.Default(card)
            .WithDamageKeywords("Physics")
            .WithBaseDamageAttribute(DAMAGE_PHYSICS);

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

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

        /// <summary>
        /// 选中目标时更新两种伤害的预览数值。
        /// </summary>
        public override void TargetingEffect(CharacterBase target)
        {
            card.SetAttribute("Display_Damage_Physics", GetTargetedFinalDamage(target, PhysicsCtx));
            card.SetAttribute("Display_Damage_Fire", GetTargetedFinalDamage(target, FireCtx));
        }

        /// <summary>
        /// 取消选中目标时，以无目标模式重新计算预览数值。
        /// </summary>
        public override void UntargetingEffect()
        {
            card.SetAttribute("Display_Damage_Physics", GetNoTargetFinalDamage(PhysicsCtx));
            card.SetAttribute("Display_Damage_Fire", GetNoTargetFinalDamage(FireCtx));
        }

        public override CommandGroup PlayEffect(List<CharacterBase> targetList)
        {
            return ForEachTarget(targetList, target => Cmd.Sequential(
                new Cmd_PlayAnimation(user.characterView, "Attack"),
                Cmd.Do(() =>
                {
                    AttackContext physCtx = PhysicsCtx;
                    AttackTarget(target, GetTargetedFinalDamage(target, physCtx), physCtx);

                    AttackContext fireCtx = FireCtx;
                    AttackTarget(target, GetTargetedFinalDamage(target, fireCtx), fireCtx);

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

        public override void ApplyAttributeChangesByCard()
        {
            LogicComponent<CardLogicComponent_Attack>().SetDamage_Physics(DAMAGE_PHYSICS);
            LogicComponent<CardLogicComponent_Attack>().SetDamage_Default(DAMAGE_FIRE);
        }
    }
}