package effect

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

// ---- 全局函数表自动管理 ----
var statusFuncRegistry = newStatusFuncRegistry()

type statusFuncRegistryType struct {
	funcs map[int]func(*input.Input, *input.Input) bool
}

func newStatusFuncRegistry() *statusFuncRegistryType {
	return &statusFuncRegistryType{funcs: make(map[int]func(*input.Input, *input.Input) bool)}
}

func (r *statusFuncRegistryType) Register(id int, f func(*input.Input, *input.Input) bool) {
	r.funcs[id] = f
}

func (r *statusFuncRegistryType) Get(id int) func(*input.Input, *input.Input) bool {
	return r.funcs[id]
}

// Effect 96: 对手处于烧伤状态时，威力翻倍
type Effect96 struct {
	node.EffectNode
	StatusID int
}

func (e *Effect96) SkillHit() bool {
	if f := statusFuncRegistry.Get(e.StatusID); f != nil && f(e.Ctx().Our, e.Ctx().Opp) {
		e.Ctx().SkillEntity.XML.Power *= 2
	}
	return true
}

// ---- 注册所有效果 ----
func init() {
	registerStatusFunc(2, func(i, o *input.Input) bool {
		return o.CurrentPet.Info.Hp < (o.CurrentPet.Info.MaxHp / 2)
	})
	registerStatusFunc(30, func(i, o *input.Input) bool {
		return !i.FightC.IsFirst(i.Player)
	})
	registerStatusFunc(40, func(i, o *input.Input) bool {
		return i.FightC.IsFirst(i.Player)
	})
	registerStatusFunc(64, func(i, o *input.Input) bool {
		if i.StatEffect_Exist(info.PetStatus.Burned) {
			return true
		}
		if i.StatEffect_Exist(info.PetStatus.Frozen) {
			return true
		}
		if i.StatEffect_Exist(info.PetStatus.Poisoned) {
			return true
		}
		return false
	})
	registerStatusFunc(96, func(i, o *input.Input) bool {
		return o.StatEffect_Exist(info.PetStatus.Burned)
	})
	registerStatusFunc(97, func(i, o *input.Input) bool {
		return o.StatEffect_Exist(info.PetStatus.Frozen)
	})
	registerStatusFunc(102, func(i, o *input.Input) bool {
		return o.StatEffect_Exist(info.PetStatus.Paralysis)
	})
	initskill(129, &Effect129{})

	registerStatusFunc(132, func(i, o *input.Input) bool {
		return i.CurrentPet.Info.Hp < o.CurrentPet.Info.Hp
	})
	registerStatusFunc(168, func(i, o *input.Input) bool {
		return o.StatEffect_Exist(info.PetStatus.Sleep)
	})
	registerStatusFunc(401, func(i, o *input.Input) bool {
		return i.CurrentPet.PetInfo.Type == o.CurrentPet.PetInfo.Type
	})
	registerStatusFunc(431, func(i, o *input.Input) bool {

		return o.HasPropSub()
	})
	initskill(609, &Effect609{})
}

// Effect 129: 对方为{0}则技能威力翻倍
type Effect129 struct {
	node.EffectNode
	StatusID int
}

func (e *Effect129) SkillHit() bool {
	if e.Ctx().Opp.CurrentPet.Info.Gender != e.SideEffectArgs[0] {
		return true
	}
	e.Ctx().SkillEntity.XML.Power *= 2
	return true
}

// 小助手函数，让注册看起来更自然
func registerStatusFunc(id int, fn func(*input.Input, *input.Input) bool) {
	statusFuncRegistry.Register(id, fn)
	input.InitEffect(input.EffectType.Skill, id, &Effect96{StatusID: id})
}

// Effect 609: 若对手{0}，技能威力翻倍
type Effect609 struct {
	node.EffectNode
	StatusID int
}

func (e *Effect609) SkillHit() bool {
	if e.Ctx().Opp.StatEffect_Exist(info.EnumPetStatus(e.SideEffectArgs[0])) {
		return true
	}
	e.Ctx().SkillEntity.XML.Power *= 2
	return true
}