package effect

import (
	"blazing/logic/service/fight/action"
	"blazing/logic/service/fight/info"
	"blazing/logic/service/fight/input"
	"blazing/logic/service/fight/node"

	"github.com/alpacahq/alpacadecimal"
)

// Effect 830: 若后出手，则免疫本回合受到的伤害
type Effect830 struct{ node.EffectNode }

func (e *Effect830) DamageLockEx(zone *info.DamageZone) bool {
	if e.IsFirst() || zone == nil {
		return true
	}

	zone.Damage = alpacadecimal.Zero
	return true
}

func (e *Effect830) DamageDivEx(zone *info.DamageZone) bool {
	if e.IsFirst() || zone == nil {
		return true
	}

	zone.Damage = alpacadecimal.Zero
	return true
}

// Effect 831: 附加自身最大体力{0}%的百分比伤害
type Effect831 struct{ node.EffectNode }

func (e *Effect831) OnSkill() bool {
	if len(e.Args()) == 0 {
		return true
	}

	damage := e.Ctx().Our.CurrentPet.GetMaxHP().Mul(e.Args()[0]).Div(hundred)
	if damage.Cmp(alpacadecimal.Zero) <= 0 {
		return true
	}

	e.Ctx().Opp.Damage(e.Ctx().Our, &info.DamageZone{
		Type:   info.DamageType.Percent,
		Damage: damage,
	})
	return true
}

// Effect 833: 当回合若未击败对手则吸取对手最大体力的1/{0}
type Effect833 struct{ node.EffectNode }

func (e *Effect833) Skill_Use() bool {
	if len(e.Args()) == 0 || e.Args()[0].Cmp(alpacadecimal.Zero) <= 0 || e.Ctx().Opp.CurrentPet == nil || e.Ctx().Opp.CurrentPet.Info.Hp <= 0 {
		return true
	}

	drain := e.Ctx().Opp.CurrentPet.GetMaxHP().Div(e.Args()[0])
	if drain.Cmp(alpacadecimal.Zero) <= 0 {
		return true
	}

	e.Ctx().Opp.Damage(e.Ctx().Our, &info.DamageZone{
		Type:   info.DamageType.Percent,
		Damage: drain,
	})
	e.Ctx().Our.Heal(e.Ctx().Our, &action.SelectSkillAction{}, drain)
	return true
}

// Effect 834: {0}回合内自身能力提升状态被消除或吸取时，{1}回合内对手属性技能无效
type Effect834 struct{ node.EffectNode }

func (e *Effect834) Skill_Use() bool {
	if len(e.Args()) < 2 {
		return true
	}

	sub := e.Ctx().Our.InitEffect(input.EffectType.Sub, 834, int(e.Args()[0].IntPart()), int(e.Args()[1].IntPart()))
	if sub != nil {
		e.Ctx().Our.AddEffect(e.Ctx().Our, sub)
	}
	return true
}

type Effect834Sub struct{ RoundEffectArg0Base }

func (e *Effect834Sub) PropBefer(in *input.Input, prop, level int8) bool {
	if in != e.Ctx().Opp || level != 0 || len(e.Args()) < 2 {
		return true
	}
	if e.Ctx().Our.Prop[prop] <= 0 {
		return true
	}

	sub := e.Ctx().Our.InitEffect(input.EffectType.Sub, 8341, int(e.Args()[1].IntPart()))
	if sub != nil {
		e.Ctx().Opp.AddEffect(e.Ctx().Our, sub)
	}
	e.Alive(false)
	return true
}

type Effect834SealSub struct{ RoundEffectArg0Base }

func (e *Effect834SealSub) ActionStart(a, b *action.SelectSkillAction) bool {
	if e.Ctx().SkillEntity == nil || e.Ctx().SkillEntity.Category() != info.Category.STATUS {
		return true
	}

	e.Ctx().SkillEntity.SetNoSide()
	e.Ctx().SkillEntity.AttackTime = 0
	return true
}

// Effect 835: 反转自身能力下降状态，反转成功则恢复自身全部体力
type Effect835 struct{ node.EffectNode }

func (e *Effect835) Skill_Use() bool {
	reversed := false
	for i, v := range e.Ctx().Our.Prop[:] {
		if v >= 0 {
			continue
		}
		if e.Ctx().Our.SetProp(e.Ctx().Our, int8(i), -2*v) {
			reversed = true
		}
	}
	if !reversed {
		return true
	}

	heal := e.Ctx().Our.CurrentPet.GetMaxHP().Sub(e.Ctx().Our.CurrentPet.GetHP())
	if heal.Cmp(alpacadecimal.Zero) > 0 {
		e.Ctx().Our.Heal(e.Ctx().Our, &action.SelectSkillAction{}, heal)
	}
	return true
}

func init() {
	input.InitEffect(input.EffectType.Skill, 830, &Effect830{})
	input.InitEffect(input.EffectType.Skill, 831, &Effect831{})
	input.InitEffect(input.EffectType.Skill, 833, &Effect833{})
	input.InitEffect(input.EffectType.Skill, 834, &Effect834{})
	input.InitEffect(input.EffectType.Sub, 834, &Effect834Sub{})
	input.InitEffect(input.EffectType.Sub, 8341, &Effect834SealSub{})
	input.InitEffect(input.EffectType.Skill, 835, &Effect835{})
}