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 825: 若对手处于能力提升状态则附加对手最大体力1/{0}的百分比伤害
type Effect825 struct{ node.EffectNode }

func (e *Effect825) OnSkill() bool {
	if len(e.Args()) == 0 || e.Args()[0].Cmp(alpacadecimal.Zero) <= 0 || !e.Ctx().Opp.HasPropADD() {
		return true
	}

	damage := e.Ctx().Opp.CurrentPet.GetMaxHP().Div(e.Args()[0])
	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 826: 当回合击败对手则对手下只出场精灵随机进入{0}种异常状态
type Effect826 struct{ node.EffectNode }

func (e *Effect826) Skill_Use() bool {
	if len(e.Args()) == 0 || e.Ctx().Opp.CurrentPet == nil || e.Ctx().Opp.CurrentPet.Info.Hp > 0 {
		return true
	}

	sub := e.Ctx().Opp.InitEffect(input.EffectType.Sub, 826, int(e.Args()[0].IntPart()))
	if sub != nil {
		e.Ctx().Opp.AddEffect(e.Ctx().Our, sub)
	}
	return true
}

type Effect826Sub struct{ node.EffectNode }

func (e *Effect826Sub) SetArgs(t *input.Input, a ...int) {
	e.EffectNode.SetArgs(t, a...)
	e.CanStack(false)
	e.Duration(1)
}

func (e *Effect826Sub) SwitchIn(in *input.Input) bool {
	if in != e.Ctx().Our || len(e.Args()) == 0 {
		return true
	}

	applyRandomStatuses1507(e.Ctx().Opp, e.Ctx().Our, int(e.Args()[0].IntPart()))
	e.Alive(false)
	return true
}

// Effect 827: 消除对手能力提升状态，消除成功则令自身下{0}回合必定先出手且下{1}回合造成的攻击伤害翻倍
type Effect827 struct{ node.EffectNode }

func (e *Effect827) Skill_Use() bool {
	if len(e.Args()) < 2 {
		return true
	}

	cleared := false
	for i, v := range e.Ctx().Opp.Prop[:] {
		if v <= 0 {
			continue
		}
		if e.Ctx().Opp.SetProp(e.Ctx().Our, int8(i), 0) {
			cleared = true
		}
	}
	if !cleared {
		return true
	}

	prioritySub := e.Ctx().Our.InitEffect(input.EffectType.Sub, 827, int(e.Args()[0].IntPart()))
	if prioritySub != nil {
		e.Ctx().Our.AddEffect(e.Ctx().Our, prioritySub)
	}
	damageSub := e.Ctx().Our.InitEffect(input.EffectType.Sub, 8271, int(e.Args()[1].IntPart()))
	if damageSub != nil {
		e.Ctx().Our.AddEffect(e.Ctx().Our, damageSub)
	}
	return true
}

type Effect827PrioritySub struct{ RoundEffectArg0Base }

func (e *Effect827PrioritySub) ComparePre(fattack, sattack *action.SelectSkillAction) bool {
	current := actionByPlayer(fattack, sattack, e.Ctx().Our.UserID)
	if current == nil || current.SkillEntity == nil {
		return true
	}

	current.SkillEntity.XML.Priority += 7
	return true
}

type Effect827DamageSub struct{ RoundEffectArg0Base }

func (e *Effect827DamageSub) Damage_Mul(zone *info.DamageZone) bool {
	if zone == nil || zone.Type != info.DamageType.Red {
		return true
	}

	zone.Damage = zone.Damage.Mul(alpacadecimal.NewFromInt(2))
	return true
}

// Effect 828: 若自身处于能力提升状态则先制+1
type Effect828 struct{ node.EffectNode }

func (e *Effect828) ComparePre(fattack, sattack *action.SelectSkillAction) bool {
	if !e.Ctx().Our.HasPropADD() {
		return true
	}

	current := actionByPlayer(fattack, sattack, e.Ctx().Our.UserID)
	if current != nil && current.SkillEntity != nil {
		current.SkillEntity.XML.Priority += 1
	}
	return true
}

// Effect 829: 下{0}回合对手每回合受到相当于本次伤害的1/{1}的百分比伤害（可以叠加）
type Effect829 struct{ node.EffectNode }

func (e *Effect829) Skill_Use() bool {
	if len(e.Args()) < 2 || e.Args()[1].Cmp(alpacadecimal.Zero) <= 0 || e.Ctx().Our.SumDamage.Cmp(alpacadecimal.Zero) <= 0 {
		return true
	}

	damage := e.Ctx().Our.SumDamage.Div(e.Args()[1])
	if damage.Cmp(alpacadecimal.Zero) <= 0 {
		return true
	}

	sub := e.Ctx().Opp.InitEffect(input.EffectType.Sub, 829, int(e.Args()[0].IntPart()), int(damage.IntPart()))
	if effect, ok := sub.(*Effect829Sub); ok {
		effect.damage = damage
	}
	if sub != nil {
		e.Ctx().Opp.AddEffect(e.Ctx().Our, sub)
	}
	return true
}

type Effect829Sub struct {
	node.EffectNode
	damage alpacadecimal.Decimal
}

func (e *Effect829Sub) SetArgs(t *input.Input, a ...int) {
	e.EffectNode.SetArgs(t, a...)
	e.CanStack(true)
	if len(a) > 0 {
		e.Duration(a[0])
	}
	if len(a) > 1 {
		e.damage = alpacadecimal.NewFromInt(int64(a[1]))
	}
}

func (e *Effect829Sub) TurnEnd() {
	if e.damage.Cmp(alpacadecimal.Zero) > 0 && e.Ctx().Our.CurrentPet != nil && e.Ctx().Our.CurrentPet.Info.Hp > 0 {
		damage := e.damage
		if e.Stack() > 1 {
			damage = damage.Mul(alpacadecimal.NewFromInt(int64(e.Stack())))
		}
		e.Ctx().Our.Damage(e.Ctx().Opp, &info.DamageZone{
			Type:   info.DamageType.Percent,
			Damage: damage,
		})
	}
	e.EffectNode.TurnEnd()
}

func init() {
	input.InitEffect(input.EffectType.Skill, 825, &Effect825{})
	input.InitEffect(input.EffectType.Skill, 826, &Effect826{})
	input.InitEffect(input.EffectType.Sub, 826, &Effect826Sub{})
	input.InitEffect(input.EffectType.Skill, 827, &Effect827{})
	input.InitEffect(input.EffectType.Sub, 827, &Effect827PrioritySub{})
	input.InitEffect(input.EffectType.Sub, 8271, &Effect827DamageSub{})
	input.InitEffect(input.EffectType.Skill, 828, &Effect828{})
	input.InitEffect(input.EffectType.Skill, 829, &Effect829{})
	input.InitEffect(input.EffectType.Sub, 829, &Effect829Sub{})
}