local PetComponent = class("PetComponent")
local Const_BornPosOffset = FP.newV2(1,-1) -- 出生位置的偏移

function PetComponent:initialize(entity)
    self.entity = entity
    
    --位置
    self.logicPos = FP.newV2(0,0)
    
    --朝向
    self.logicDir = FP.newV2(0,0)
    
    --每n秒计算出的需要跟随的位置
    self.followPos = FP.newV2(0,0)

    --普攻当前CD  ms
    self.normalSkillCurCD = 0
    
    --普攻总CD   ms
    self.normalSkillMaxCD = 0

    -- 技能数据 （如果没有技能则为nil）
    self.skillData = nil
    
    --技能当前CD   ms
    self.skillCurCD = 0

    --技能总CD  ms   宠物的技能不一定有，但是普攻一定有
    self.skillMaxCD = 0

    self.searchTargetCdFrame = 0 --找目标的cd帧数，0代表cd转好了，可以找目标了
    
    --是否暂停攻击
    self.pauseAttack = false
    self.isInTownLevel = LevelManager.IsNoBattleLevel() -- 纯粹是为了优化才加的这个值【不可被修改】
    
    --宠物是否是自由攻击（只有两种模式；自由攻击和随主人打中人而开始攻击）
    if self.isInTownLevel then
        self.autoAttack = false
    else
        self.autoAttack = not LevelPlayerManager.GetPlayerSetting(entity:GetPlayerID() ,LuaConst.BattleSettingEnum.NotAutoPetAttack)
    end
    
    --在主城中，主人跟随队长时，宠物的速度
    self.townFollowHorseSpd = nil

    self.searchRadius = nil -- 寻敌半径
    self.searchRadiusSqr = FP.newV1(0) -- 寻敌半径的平方
    self.petBattleData = nil -- 宠物数据
    self:InitData()
    
    --region 缓存数据
    self.curPetState = nil --  当前状态机
    self.lastAttackFrame = -1 -- 上一次攻击时的帧号
    self.attackTarget = nil -- 攻击时的被攻击目标
    self.attackTargetPos = FP.newV2(0,0) -- 攻击开始的被攻击目标的位置
    self.missileBornFrame = -1 -- 当处于attack状态时，子弹出生的时间点
    self.attackQuitFrame = -1 -- 当处于attack状态时，退出attack的时间
    self.curSkillType = nil -- 当前处于攻击时，是什么攻击 普攻或技能
    self.idleShowPlayFrame = -1 -- 需要播放idle_show动画的帧号
    self.idleShowToIdlePlayFrame = -1 -- 需要播放idle动画的帧号

    self.lastHitOthersFrame = -9999 -- 主人最近一次打中人的帧号
    --endregion  缓存数据
end
function PetComponent:OnEntityInitialized(entity)
    if entity._logicInitData.EntityID and entity._logicInitData.EntityID > 0 then
        self.findFollowPosBatchIndex = entity._logicInitData.EntityID % 10 -- 10帧（0.5秒）所有宠物分帧执行查询跟随点
    end
    -- 非同步代码，只在主城用到了(主城中我的宠物实时设置followPos)
    if LevelManager.IsNoBattleLevel() and entity:GetPlayerID() == LevelPlayerManager.MyPlayerIDInRoom then
        self.findFollowPosBatchIndex = -1
    end
end

function PetComponent:InitData()
    local petID, petStage = self.entity:GetPetIDAndStage()
    local petBattleData = DataSheetManager.PetBattleData:GetDataByID_Stage(petID, petStage)
    self.petBattleData = petBattleData
    self.searchRadius = petBattleData.SearchRadius
    self.searchRadiusSqr:Reset(self.searchRadius):Mul(self.searchRadius)
    self:SetNormalSkillMaxCD(petBattleData.NormalSkillCD)
    local petSkillId = self.entity:GetPetSkillID()
    if petSkillId and petSkillId > 0 then
        self.skillData = DataSheetManager.PetSkillData:GetDataByID(petSkillId)
        self:SetSkillMaxCD(self.skillData.SkillCD)
    end
    self:SetPetInitPos()
    if LevelManager.ShouldAddCanUseSkillToHeroWhenBorn() then -- 如果是等待他人一起开始战斗的玩法，宠物要先暂停战斗
        self:SetPauseAttack(false)
    else
        self:SetPauseAttack(true)
    end
end

function PetComponent:ResetCacheData()
    self:SetPetState(nil) --  当前状态机
    self:SetPetSkillType(nil)-- 当前处于攻击时，是什么攻击 普攻或技能
end

function PetComponent:SetPetInitPos()
    local moveComp = self.entity.components.move
    local forward = moveComp:GetLogicRotateDir()
    FP.V2.GetOffsetToForward(forward, Const_BornPosOffset, self.logicPos)
    self.logicPos:Add(moveComp.LogicPos)
    self:SetPetFollowPos(LuaShoveManager.GetFinalInitPos(self.logicPos))
    self:SetPetLogicDir(forward)
end

function PetComponent:SetNormalSkillMaxCD(val)
    self.normalSkillMaxCD = val
end

function PetComponent:SetSkillMaxCD(val)
    self.skillMaxCD = val
end

function PetComponent:SetNormalSkillCurCD(val)
    if val < 0 then val = 0 end
    self.normalSkillCurCD = val
end

function PetComponent:SetSkillCurCD(val)
    if val < 0 then val = 0 end
    self.skillCurCD = val
end

function PetComponent:SetPetLogicPos(val)
    self.logicPos:Reset(val)
end
function PetComponent:SetPetLogicDir(val)
    self.logicDir:Reset(val)
end

function PetComponent:SetPetFollowPos(val)
    self.followPos:Reset(val)
end

function PetComponent:SetPetState(val)
    self.curPetState = val --  当前状态机
end

function PetComponent:SetPetSkillType(skillType,target)
    self.curSkillType = skillType
    self.lastAttackFrame = skillType and LogicUpdateManager._clientHandleFrame or -1
    self.attackTarget = target
    self.attackTargetPos:Reset(target and target:GetLogicPos() or nil)
    if skillType == LuaConst.PetSkillEnum.Normal then
        self.missileBornFrame = LogicUpdateManager._clientHandleFrame + self.petBattleData.NormalMissileBornFrame
        self.attackQuitFrame = LogicUpdateManager._clientHandleFrame + self.petBattleData.NormalAnimFrame
    elseif skillType == LuaConst.PetSkillEnum.Skill then
        self.missileBornFrame = LogicUpdateManager._clientHandleFrame + self.skillData.MissileBornFrame
        self.attackQuitFrame = LogicUpdateManager._clientHandleFrame + self.skillData.SkillAnimFrame
    else
        self.missileBornFrame = -1
        self.attackQuitFrame = -1
    end
end


function PetComponent:SetPauseAttack(val)
    self.pauseAttack = val
end

function PetComponent:SetLastHitOthersFrame(frame)
    if self.autoAttack == false then
        self.lastHitOthersFrame = frame
    end
end
return PetComponent