local EventSystem = require('Event/EventSystem')
local Base = require("Battle/Logic/Level/LevelItemFactory/LevelItem")
local ColliderManager = require("Battle/Logic/Level/ColliderManager")
local LevelItem_SpawnNpcPoint = class("LevelItem_SpawnNpcPoint", Base)
local SystemManager = SystemManager
local LogicUpdateManager = LogicUpdateManager
local OFFSET_EFFECT_FIGHTING = 3

function LevelItem_SpawnNpcPoint:initialize(data)
    Base.initialize(self, data)
    self.attackDistanceSqa = DataSheetManager.ConstData:GetDataByID("RebelStrikeNPCDistance").FloatValue:Square()
    self._selectEntityId = 0
    self._allEntityList = {}-- 所有出生的entity
    self._allInfoList = {}--entity对应的Info
    self._allColliderList = {}--每个entity的colliderID
end

function LevelItem_SpawnNpcPoint:OnDestroy()
    Base.OnDestroy(self)
    for _, entity in pairs(self._allEntityList) do
        local colliderID = self._allColliderList[entity._logicInitData.EntityID]
        ColliderManager.DestroyCollider(colliderID)
        SystemManager.OnUnload(entity, true)
    end
    self._allEntityList = nil-- 所有出生的entity
    self._allInfoList = nil
    self._allColliderList = nil
end

--region --***************生命周期***************--

function LevelItem_SpawnNpcPoint:OnActive()
    if Base.OnActive(self) then
        EventSystem.Regist(EventID.UpdateRebelStrikeSceneInfo, self.OnUpdateRebelStrikeSceneInfo, self)
        EventSystem.Regist(EventID.OnEnterSpawnNpcPoint, self.OnEnterSpawnNpcPoint, self)
        EventSystem.Regist(EventID.OnExitSpawnNpcPoint, self.OnExitSpawnNpcPoint, self)
        EventSystem.Regist(self.LevelItemID .. EventID._EntityDead, self.OnNpcDead, self)
        if MDL.Unlock.IsUnlock(MDL.Unlock.FunctionType.RebelStrike) then
            self:OnUpdateRebelStrikeSceneInfo()
        end
        return true
    end
end

function LevelItem_SpawnNpcPoint:OnDeactive()
    if Base.OnDeactive(self) then
        EventSystem.UnRegist(EventID.UpdateRebelStrikeSceneInfo, self.OnUpdateRebelStrikeSceneInfo, self)
        EventSystem.UnRegist(self.LevelItemID .. EventID._EntityDead, self.OnNpcDead, self)
        EventSystem.UnRegist(EventID.OnEnterSpawnNpcPoint, self.OnEnterSpawnNpcPoint, self)
        EventSystem.UnRegist(EventID.OnExitSpawnNpcPoint, self.OnExitSpawnNpcPoint, self)
        EventSystem.Dispatch(EventID.UI_UpdateRebelStrike_Select, nil)
        return true
    end
end

--endregion 生命周期

--region --***************事件相关***************--

function LevelItem_SpawnNpcPoint:OnUpdateRebelStrikeSceneInfo()
    local infoList = MDL.RebelStrike.GetLevelItemInfo(self.LevelItemID)
    if infoList then
        --清理已死亡的
        for id, v in pairs(self._allInfoList) do
            local isAlive = false
            for i, info in ipairs(infoList) do
                if info.type == v.type and info.index == v.index then
                    isAlive = true
                    break
                end
            end
            if isAlive == false then
                local entity = self._allEntityList[id]
                SystemManager.DeadQuit(entity)
            end
        end
        --Born NPC
        for _, info in ipairs(infoList) do
            local entity = self:GetNpcEntity(info)
            if entity == nil then
                entity = self:BornNpc(info)
            else
                --需要刷新状态
                self._allInfoList[entity._logicInitData.EntityID] = info
            end
            self:OnStateExp(entity, info.state)
        end
    else
        for _, v in pairs(self._allEntityList) do
            SystemManager.DeadQuit(v)
        end
    end
end

function LevelItem_SpawnNpcPoint:OnNpcDead(entity)
    self._allEntityList[entity._logicInitData.EntityID] = nil
    self._allInfoList[entity._logicInitData.EntityID] = nil
    if entity._logicInitData.EntityID == self._selectEntityId then
        self._selectEntityId = 0
        EventSystem.Dispatch(EventID.UI_UpdateRebelStrike_Select, nil)
    end
    local colliderID = self._allColliderList[entity._logicInitData.EntityID]
    ColliderManager.DestroyCollider(colliderID)
end

--endregion 事件相关

--region --***************内部方法***************--


local function OnEnterCollider(owner, entity)
    if entity == LogicUpdateManager._curEntity then
        local selectEntityId = owner._logicInitData.EntityID
        EventSystem.Dispatch(EventID.OnEnterSpawnNpcPoint, selectEntityId)
    end
end

local function OnExitCollider(owner, entity)
    if entity == LogicUpdateManager._curEntity then
        local selectEntityId = owner._logicInitData.EntityID
        EventSystem.Dispatch(EventID.OnExitSpawnNpcPoint, selectEntityId)
    end
end

function LevelItem_SpawnNpcPoint:OnEnterSpawnNpcPoint(entityId)
    if self._selectEntityId ~= entityId then
        self:OnSelectExp(false, false)
        self._selectEntityId = entityId
        self:OnSelectExp(true, true)
    end
end

function LevelItem_SpawnNpcPoint:OnExitSpawnNpcPoint(entityId)
    if self._selectEntityId == entityId then
        self:OnSelectExp(false, true)
        self._selectEntityId = 0
    end
end

function LevelItem_SpawnNpcPoint:GetNpcEntity(info)
    local entityId = 0
    for id, v in pairs(self._allInfoList) do
        if v.type == info.type and v.index == info.index then
            entityId = id
            break
        end
    end
    if entityId > 0 then
        return self._allEntityList[entityId]
    end
    return nil
end

function LevelItem_SpawnNpcPoint:BornNpc(info)
    local data
    if info.type == 0 then
        data = self.ItemData.NormalNpcPointList[info.index]
    else
        data = self.ItemData.EliteNpcPointList[info.index]
    end
    local positionV2 = data.Position
    local forwardV2 = data.Rotation
    EntityFactory.SetParams("BornItemID", self.LevelItemID)
    EntityFactory.SetPos_Dir(positionV2, forwardV2)
    EntityFactory.SetType_ID(LuaConst.CharacterType.NPC, data.NpcID)
    local entity = EntityFactory.DoCreateEntity()
    self._allEntityList[entity._logicInitData.EntityID] = entity
    self._allInfoList[entity._logicInitData.EntityID] = info
    --添加碰撞
    local colliderID = ColliderManager.CreateCircleCollider(positionV2, self.attackDistanceSqa)
    self._allColliderList[entity._logicInitData.EntityID] = colliderID
    ColliderManager.AddEnterEvent(colliderID, OnEnterCollider, entity)
    ColliderManager.AddExitEvent(colliderID, OnExitCollider, entity)
    ColliderManager.ActiveCollider(colliderID, LogicUpdateManager.ValidSyncEntityIter)
    return entity
end

function LevelItem_SpawnNpcPoint:OnSelectExp(visible, isDispatch)
    local selectEntity = self._allEntityList[self._selectEntityId]
    if selectEntity then
        if visible then
            selectEntity.ExpEntity:PlayEffectByType(LuaConst.EffectType.RebelStrikeSelect)
        else
            selectEntity.ExpEntity:StopEffectByType(LuaConst.EffectType.RebelStrikeSelect)
        end
        if isDispatch then
            if visible then
                local info = self._allInfoList[self._selectEntityId]
                EventSystem.Dispatch(EventID.UI_UpdateRebelStrike_Select, info)
            else
                EventSystem.Dispatch(EventID.UI_UpdateRebelStrike_Select, nil)
            end
        end
    end
end

function LevelItem_SpawnNpcPoint:OnStateExp(entity, state)
    local expEntity = entity.ExpEntity
    if state == 1 then
        --战斗中特效
        expEntity:PlayEffectByType(LuaConst.EffectType.RebelStrikeFighting)
        expEntity:SetEffectPosByType(LuaConst.EffectType.RebelStrikeFighting, 0, OFFSET_EFFECT_FIGHTING, 0)
    else
        expEntity:StopEffectByType(LuaConst.EffectType.RebelStrikeFighting)
    end
end

--endregion 内部方法

--region --***************外部数据获取***************--
--小地图显示信息
function LevelItem_SpawnNpcPoint:GetMapPointInfo()
    local entityId
    local type = -1
    for id, v in pairs(self._allInfoList) do
        if v.type > type then
            type = v.type
            entityId = id
        end
    end
    return self._allEntityList[entityId], type
end

--endregion


return LevelItem_SpawnNpcPoint