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"
)

// -----------------------------------------------------------
// 效果119：若伤害为奇数，30%对手疲惫1回合；若为偶数，30%速度+1
// -----------------------------------------------------------
type Effect119 struct {
	node.EffectNode
	can bool
}

func (e *Effect119) OnSkill() bool {

	e.can = true
	return true
}

func (e *Effect119) DamageLock(damageValue *info.DamageZone) bool {
	if !e.can {
		return true
	}

	isOdd := damageValue.Damage.IntPart()%2 == 1

	if isOdd {
		// 奇数：30%对手疲惫1回合
		ok, _, _ := e.Input.Player.Roll(30, 100)
		if ok {
			eff := input.Geteffect(input.EffectType.Status, int(info.PetStatus.Tired))
			if eff == nil {
				return true
			}
			eff.Duration(1)
			e.Ctx().Opp.AddEffect(e.Ctx().Our, eff)
		}
	} else {
		// 偶数：30%速度+1
		ok, _, _ := e.Input.Player.Roll(30, 100)
		if ok {
			e.Ctx().Our.SetProp(e.Ctx().Our, 4, 1, info.AbilityOpType.ADD)
		}
	}
	e.can = false
	return true
}

func (e *Effect119) SetArgs(t *input.Input, a ...int) {
	e.EffectNode.SetArgs(t, a...)
	e.EffectNode.Duration(1)
}

// -----------------------------------------------------------
// 效果120：50%概率对方减血1/{0}，50%概率自己减血1/{0}
// -----------------------------------------------------------
type Effect120 struct {
	node.EffectNode
}

func (e *Effect120) OnSkill() bool {

	// 50%概率
	ok, _, _ := e.Input.Player.Roll(50, 100)

	denominator := int(e.Args()[0].IntPart())
	percent := alpacadecimal.NewFromInt(100).Div(alpacadecimal.NewFromInt(int64(denominator)))

	if ok {
		// 对方减血1/{0}
		oppMaxHP := alpacadecimal.NewFromInt(int64(e.Ctx().Opp.CurrentPet.Info.MaxHp))
		damage := oppMaxHP.Mul(percent).Div(alpacadecimal.NewFromInt(100))
		e.Ctx().Opp.Damage(e.Ctx().Our, &info.DamageZone{
			Type:   info.DamageType.Fixed,
			Damage: damage,
		})
	} else {
		// 自己减血1/{0}
		ourMaxHP := alpacadecimal.NewFromInt(int64(e.Ctx().Our.CurrentPet.Info.MaxHp))
		damage := ourMaxHP.Mul(percent).Div(alpacadecimal.NewFromInt(100))
		e.Ctx().Our.Damage(e.Ctx().Opp, &info.DamageZone{
			Type:   info.DamageType.Fixed,
			Damage: damage,
		})
	}
	return true
}

// -----------------------------------------------------------
// 效果121：属性相同时，{0}%概率让对方麻痹
// -----------------------------------------------------------
type Effect121 struct {
	node.EffectNode
}

func (e *Effect121) OnSkill() bool {

	// 检查属性是否相同
	if e.Ctx().Our.CurrentPet.PetInfo.Type == e.Ctx().Opp.CurrentPet.PetInfo.Type {
		chance := int(e.Args()[0].IntPart())
		ok, _, _ := e.Input.Player.Roll(chance, 100)
		if ok {
			eff := input.Geteffect(input.EffectType.Status, int(info.PetStatus.Paralysis))
			if eff == nil {
				return true
			}
			duration := int(e.Input.FightC.GetRand().Int31n(2))
			duration++
			eff.Duration(duration)
			e.Ctx().Opp.AddEffect(e.Ctx().Our, eff)
		}
	}
	return true
}

// -----------------------------------------------------------
// 效果122：先出手时，{1}%改变对方{0}等级{2}
// -----------------------------------------------------------
type Effect122 struct {
	node.EffectNode
	can bool
}

func (e *Effect122) SkillHit() bool {
	if e.Input.FightC.IsFirst(e.Input.Player) {
		e.can = true
	}
	return true
}

func (e *Effect122) OnSkill() bool {

	if e.can {
		propIndex := int(e.Args()[0].IntPart())
		chance := int(e.Args()[1].IntPart())
		changeAmount := int(e.Args()[2].IntPart())

		ok, _, _ := e.Input.Player.Roll(chance, 100)
		if ok {
			opType := info.AbilityOpType.ADD
			if changeAmount < 0 {
				opType = info.AbilityOpType.SUB
			}
			e.Ctx().Opp.SetProp(e.Ctx().Our, int8(propIndex), int8(changeAmount), opType)
		}
		e.can = false
	}
	return true
}

// -----------------------------------------------------------
// 效果123：{0}回合内受到任何伤害，自身{1}提高{2}个等级
// -----------------------------------------------------------
type Effect123 struct {
	node.EffectNode
	roundCount int
	can        bool
}

func (e *Effect123) SetArgs(t *input.Input, a ...int) {
	e.EffectNode.SetArgs(t, a...)
	e.roundCount = e.EffectNode.SideEffectArgs[0]
}

func (e *Effect123) TurnStart(at, de *action.SelectSkillAction) {
	if e.roundCount > 0 {
		e.can = true
		e.roundCount--
	}
}

func (e *Effect123) Be_Damage(at, _ alpacadecimal.Decimal) {
	if e.can {
		propIndex := int(e.Args()[1].IntPart())
		changeAmount := int(e.Args()[2].IntPart())
		e.Ctx().Our.SetProp(e.Ctx().Our, int8(propIndex), int8(changeAmount), info.AbilityOpType.ADD)
		e.can = false
	}
}

// -----------------------------------------------------------
// 初始化
// -----------------------------------------------------------
func init() {
	input.InitEffect(input.EffectType.Skill, 119, &Effect119{})
	input.InitEffect(input.EffectType.Skill, 120, &Effect120{})
	input.InitEffect(input.EffectType.Skill, 121, &Effect121{})
	input.InitEffect(input.EffectType.Skill, 122, &Effect122{})
	input.InitEffect(input.EffectType.Skill, 123, &Effect123{})
}