package fight

import (
	"blazing/common/socket/errorcode"
	"blazing/common/utils"
	"blazing/modules/player/model"

	"blazing/logic/service/common"
	"blazing/logic/service/fight/action"
	"blazing/logic/service/fight/info"
	"blazing/logic/service/fight/input"
	"blazing/logic/service/user"
	"sync"
	"sync/atomic"
	"time"

	"github.com/gogf/gf/v2/util/grand"
	"github.com/jinzhu/copier"
)

type FightC struct {
	//准备战斗信息
	ReadyInfo model.NoteReadyToFightInfo
	//开始战斗信息
	info.FightStartOutboundInfo
	Info       info.Fightinfo
	IsReady    bool
	ownerID    uint32           // 战斗发起者ID
	Our        []*input.Input   // 我方战斗位
	Opp        []*input.Input   // 敌方战斗位
	OurPlayers []common.PlayerI // 我方操作者
	OppPlayers []common.PlayerI // 敌方操作者
	Switch     map[actionSlotKey]*action.ActiveSwitchAction

	startl         sync.Once
	StartTime      time.Time
	actionMu       sync.Mutex
	actionNotify   chan struct{}
	acceptActions  bool
	pendingActions []action.BattleActionI // 待处理动作队列，同一战斗位最多保留一个动作
	actionRound    atomic.Uint32

	quit       chan struct{}
	over       chan struct{}
	First      *input.Input
	TrueFirst  *input.Input
	Second     *input.Input
	closefight bool
	overl      sync.Once
	waittime   int
	model.FightOverInfo
	//战斗结束的插装
	callback func(model.FightOverInfo)
}

type actionSlotKey struct {
	PlayerID   uint32
	ActorIndex int
}

func newActionSlotKey(playerID uint32, actorIndex int) actionSlotKey {
	return actionSlotKey{
		PlayerID:   playerID,
		ActorIndex: actorIndex,
	}
}

func actionSlotKeyFromAction(act action.BattleActionI) actionSlotKey {
	if act == nil {
		return actionSlotKey{}
	}
	return newActionSlotKey(act.GetPlayerID(), act.GetActorIndex())
}

func (f *FightC) primaryOur() *input.Input {
	if len(f.Our) == 0 {
		return nil
	}
	return f.Our[0]
}

func (f *FightC) primaryOpp() *input.Input {
	if len(f.Opp) == 0 {
		return nil
	}
	return f.Opp[0]
}

func (f *FightC) primaryOurPlayer() common.PlayerI {
	if len(f.OurPlayers) == 0 {
		return nil
	}
	return f.OurPlayers[0]
}

func (f *FightC) primaryOppPlayer() common.PlayerI {
	if len(f.OppPlayers) == 0 {
		return nil
	}
	return f.OppPlayers[0]
}

func (f *FightC) selectInput(inputs []*input.Input, index int) *input.Input {
	if len(inputs) == 0 {
		return nil
	}
	if index >= 0 && index < len(inputs) && inputs[index] != nil {
		return inputs[index]
	}

	for _, in := range inputs {
		if in != nil {
			return in
		}
	}
	return nil
}

func (f *FightC) isPlayerInSide(players []common.PlayerI, userID uint32) bool {
	for _, player := range players {
		if player != nil && player.GetInfo().UserID == userID {
			return true
		}
	}
	return false
}

func (f *FightC) isOurPlayerID(userID uint32) bool {
	if f.isPlayerInSide(f.OurPlayers, userID) {
		return true
	}
	if f.isPlayerInSide(f.OppPlayers, userID) {
		return false
	}
	return userID == f.ownerID
}

func (f *FightC) bindInputFightContext(inputs []*input.Input) {
	for _, fighter := range inputs {
		if fighter == nil {
			continue
		}
		fighter.FightC = f
		if fighter.Player != nil {
			fighter.Player.SetFightC(f)
		}
	}
}

func (f *FightC) linkOppInputs() {
	for actorIndex, fighter := range f.Our {
		if fighter == nil {
			continue
		}
		fighter.SetOPP(f.selectInput(f.Opp, actorIndex))
	}
	for actorIndex, fighter := range f.Opp {
		if fighter == nil {
			continue
		}
		fighter.SetOPP(f.selectInput(f.Our, actorIndex))
	}
}

func (f *FightC) getSideInputs(userID uint32, isOpposite bool) []*input.Input {
	isOur := f.isOurPlayerID(userID)
	if isOpposite {
		if isOur {
			return f.Opp
		}
		return f.Our
	}
	if isOur {
		return f.Our
	}
	return f.Opp
}

func (f *FightC) findInputByUserID(userID uint32) (*input.Input, bool) {
	isOur := f.isOurPlayerID(userID)
	if isOur {
		if in := f.selectInput(f.Our, 0); in != nil {
			return in, true
		}
		return nil, true
	}
	if in := f.selectInput(f.Opp, 0); in != nil {
		return in, false
	}
	return nil, false
}

func (f *FightC) getInputByUserID(userID uint32, index int, isOpposite bool) *input.Input {
	return f.selectInput(f.getSideInputs(userID, isOpposite), index)
}

func (f *FightC) expectedActionSlots() map[actionSlotKey]struct{} {
	slots := make(map[actionSlotKey]struct{}, len(f.Our)+len(f.Opp))
	for actorIndex, fighter := range f.Our {
		if fighter == nil || fighter.Player == nil {
			continue
		}
		slots[newActionSlotKey(fighter.Player.GetInfo().UserID, actorIndex)] = struct{}{}
	}
	for actorIndex, fighter := range f.Opp {
		if fighter == nil || fighter.Player == nil {
			continue
		}
		slots[newActionSlotKey(fighter.Player.GetInfo().UserID, actorIndex)] = struct{}{}
	}
	return slots
}

func (f *FightC) setActionAttackValue(act action.BattleActionI) {
	if act == nil {
		return
	}
	attacker := f.GetInputByAction(act, false)
	if attacker == nil || attacker.AttackValue == nil {
		return
	}
	attacker.AttackValue.ActorIndex = uint32(act.GetActorIndex())
	attacker.AttackValue.TargetIndex = uint32(act.GetTargetIndex())
}

func (f *FightC) Ownerid() uint32 {

	return f.ownerID
}
func (f *FightC) GetInputByPlayer(c common.PlayerI, isOpposite bool) *input.Input {
	if c == nil {
		if isOpposite {
			return f.primaryOpp()
		}
		return f.primaryOur()
	}
	return f.getInputByUserID(c.GetInfo().UserID, 0, isOpposite)
}

func (f *FightC) GetInputByAction(c action.BattleActionI, isOpposite bool) *input.Input {
	if c == nil {
		if isOpposite {
			return f.primaryOpp()
		}
		return f.primaryOur()
	}
	index := c.GetActorIndex()
	if isOpposite {
		index = c.GetTargetIndex()
	}
	return f.getInputByUserID(c.GetPlayerID(), index, isOpposite)
}

// 玩家使用技能
func (f *FightC) GetCurrPET(c common.PlayerI) *info.BattlePetEntity {
	return f.GetCurrPETAt(c, 0)
}

func (f *FightC) GetCurrPETAt(c common.PlayerI, actorIndex int) *info.BattlePetEntity {
	if c == nil {
		return nil
	}
	in := f.getInputByUserID(c.GetInfo().UserID, actorIndex, false)
	if in == nil {
		return nil
	}
	return in.PrimaryCurPet()
}
func (f *FightC) GetOpp(c common.PlayerI) *input.Input {
	return f.GetInputByPlayer(c, true)
}

// // 获取随机数
func (f *FightC) IsFirst(play common.PlayerI) bool {

	return f.TrueFirst.Player == play
}
func (f *FightC) GetRound() uint32 {

	return f.Round
}
func (f *FightC) Chat(c common.PlayerI, msg string) {

	f.GetInputByPlayer(c, true).Player.SendPackCmd(50002, &user.ChatOutboundInfo{
		SenderId:       c.GetInfo().UserID,
		SenderNickname: c.GetInfo().Nick,
		Message:        utils.RemoveLast(msg),
	})
}

// 加载进度
func (f *FightC) LoadPercent(c common.PlayerI, percent int32) {
	if f.Info.Mode == info.BattleMode.PET_MELEE {
		return
	}
	if f.Info.Status == info.BattleMode.FIGHT_WITH_NPC {
		return
	}
	f.GetInputByPlayer(c, true).Player.SendPackCmd(2441, &info.LoadPercentOutboundInfo{
		Id:      c.GetInfo().UserID,
		Percent: uint32(percent),
	})

}

func (f *FightC) initplayer(c common.PlayerI, b []model.PetInfo) (*input.Input, errorcode.ErrorCode) {
	r := c.CanFight()
	if c.CanFight() != 0 {
		return nil, r
	}

	in := input.NewInput(f, c)
	in.AllPet = make([]*info.BattlePetEntity, 0)
	in.InitAttackValue()
	for i := 0; i < len(b); i++ {
		//玩家精灵重置到100等级
		pet := b[i]
		entity := info.CreateBattlePetEntity(pet)
		entity.BindController(c.GetInfo().UserID)
		in.AllPet = append(in.AllPet, entity)

	}

	in.SortPet()
	if len(in.AllPet) == 0 {
		return nil, errorcode.ErrorCodes.ErrNoEligiblePokemon
	}
	switch f.Info.Mode {
	case info.BattleMode.SINGLE_MODE:
		in.AllPet = in.AllPet[:1]

	default:
	}

	in.SetCurPetAt(0, in.AllPet[0])
	return in, 0
}

// RandomElfIDs 从1-2000中随机抽取n个不重复的精灵ID
func RandomElfIDs(n int) []int {
	if n <= 0 || n > 2000 {
		return nil
	}

	// 用map记录已抽取的ID，避免重复
	used := make(map[int]struct{}, n)
	ids := make([]int, 0, n)

	for len(ids) < n {
		// 生成1-2000的随机数
		id := grand.Intn(2000) + 1 // rand.Intn(2000)生成0-1999，+1后为1-2000

		// 检查是否已抽取
		if _, exists := used[id]; !exists {
			used[id] = struct{}{}
			ids = append(ids, id)
		}
	}

	return ids
}
func initfightready(in *input.Input) (model.FightUserInfo, []model.ReadyFightPetInfo) {
	t := make([]model.ReadyFightPetInfo, len(in.AllPet))
	userindo := model.FightUserInfo{
		UserID: in.UserID,
		Nick:   in.Player.GetInfo().Nick,
	}

	for i := 0; i < len(in.AllPet); i++ {

		err := copier.CopyWithOption(&t[i], &in.AllPet[i].Info, copier.Option{IgnoreEmpty: true, DeepCopy: true})
		if err != nil {
			panic(err)
		}
	}

	return userindo, t
}

// 被击败的ID
func (f *FightC) IsWin(c *input.Input) bool {
	if c == nil || c.Player == nil {
		return false
	}
	for _, sideInput := range f.getSideInputs(c.Player.GetInfo().UserID, true) {
		if sideInput == nil {
			continue
		}
		for _, v := range sideInput.AllPet {
			if v.Alive() {
				return false
			}
		}
	}
	return true
}

// 广播,并是否结束回合
func (f *FightC) Broadcast(t func(ff *input.Input)) {
	for _, ff := range f.Our {
		if ff != nil {
			t(ff)
		}
	}
	for _, ff := range f.Opp {
		if ff != nil {
			t(ff)
		}
	}

}

func (f *FightC) GetOverChan() chan struct{} {
	return f.over

}
func (f *FightC) GetOverInfo() model.FightOverInfo {
	return f.FightOverInfo

}

func (f *FightC) GetAttackValue(b bool) *model.AttackValue {
	our := f.primaryOur()
	if our == nil {
		return nil
	}
	return f.GetInputByPlayer(our.Player, b).AttackValue

}