local Base = require("Battle/Expression/ExpLevel/ExpLevelFunction/ExpSyncWorldBossLevelFunction")
local EventSystem = require('Event/EventSystem')
local IgnoreBossWhenNoRewardChanceBuffID = LuaConst.SpecialBuffs.IgnoreBoss
--LevelFunction的视图代码
local ExpSyncWarZoneWorldBossLevelFunction = class("ExpSyncWarZoneWorldBossLevelFunction", Base)
local STANDARD_OCCUPIER_EFF_SCALE = 0.01
local STANDARD_OCCUPIER_EFF_HEIGHT = 4
function ExpSyncWarZoneWorldBossLevelFunction:Update()
    Base.Update(self)
    if self.showingOccupyEntity and self.showingOccupyEntity ~= LogicUpdateManager._curEntity then
        self:RefreshOccupierEffect(self.showingOccupyEntity)
    end
end

function ExpSyncWarZoneWorldBossLevelFunction:OnOccupierChanged(oldPlayerID, newPlayerID)
    if oldPlayerID then
    	local entity = LevelPlayerManager.GetPlayerActiveEntity(oldPlayerID)
    	if entity then
    		entity.ExpEntity:StopEffectByType(LuaConst.EffectType.Occupier)
            entity.ExpEntity:StopEffectByType(LuaConst.EffectType.OccupierFoot)
            self.showingOccupyEntity = nil

            if self.waitingShowRivalPlayerID then
                local entity = LevelPlayerManager.GetPlayerActiveEntity(self.waitingShowRivalPlayerID)
                if entity then
                    self:ShowRivalEffect(self.waitingShowRivalPlayerID, entity)
                end
                self.waitingShowRivalPlayerID = nil
            end
        end
    end

    if newPlayerID then
    	local entity = LevelPlayerManager.GetPlayerActiveEntity(newPlayerID)
    	if entity then
    		entity.ExpEntity:PlayEffectByType(LuaConst.EffectType.Occupier)
            entity.ExpEntity:PlayEffectByType(LuaConst.EffectType.OccupierFoot)
    		--↓ 因为特效给的是UI特效想加在头顶血条上，但头顶血条拓展需要改c#，所以无法加头顶血条，只能作为3d特效显示，所以这里要手动调整高度和尺寸↓
            if LogicUpdateManager._curEntity == entity then
                entity.ExpEntity:SetEffectPosByType(LuaConst.EffectType.Occupier, 0, STANDARD_OCCUPIER_EFF_HEIGHT, 0)
                entity.ExpEntity:SetEffectScaleByType(LuaConst.EffectType.Occupier, STANDARD_OCCUPIER_EFF_SCALE, STANDARD_OCCUPIER_EFF_SCALE, STANDARD_OCCUPIER_EFF_SCALE)
            else
                self:RefreshOccupierEffect(entity)
            end
            self.showingOccupyEntity = entity
    	end
    end
end

function ExpSyncWarZoneWorldBossLevelFunction:ShowRivalEffect(playerID, entity)
    if entity then
        if self.showingOccupyEntity == nil or entity ~= self.showingOccupyEntity then
            Base.ShowRivalEffect(self, playerID, entity)
        else
            -- entity是当前占领者，不立刻显示仇敌特效 但加入等待（同一时间只可能有一个占领者，所以只需要存1个等待playerID)
            self.waitingShowRivalPlayerID = playerID
        end
    end
end

function ExpSyncWarZoneWorldBossLevelFunction:RefreshOccupierEffect(entity)
    if entity then
        if LogicUpdateManager._curEntity then
            if Camera.main then
                local cameraPosX, cameraPosY, cameraPosZ = Camera.main.transform:GetPosition()
                if not self.camToMainDist then
                    local mainPosX, mainPosY, mainPosZ = LogicUpdateManager._curEntity.ExpEntity.RenderEntity.Transform:GetPosition()
                    local camToMainDistX = cameraPosX - mainPosX
                    local camToMainDistY = cameraPosY - mainPosY
                    local camToMainDistZ = cameraPosZ - mainPosZ
                    self.camToMainDist = math.sqrt(camToMainDistX * camToMainDistX + camToMainDistY * camToMainDistY + camToMainDistZ * camToMainDistZ)
                end

                local occupierPosX, occupierPosY, occupierPosZ = entity.ExpEntity.RenderEntity.Transform:GetPosition()
                local camToOccupierDistX = cameraPosX - occupierPosX
                local camToOccupierDistY = cameraPosY - occupierPosY
                local camToOccupierDistZ = cameraPosZ - occupierPosZ
                local camToOccupierDist = math.sqrt(camToOccupierDistX * camToOccupierDistX + camToOccupierDistY * camToOccupierDistY + camToOccupierDistZ * camToOccupierDistZ)

                local effectHeight = STANDARD_OCCUPIER_EFF_HEIGHT * math.sqrt(camToOccupierDist / self.camToMainDist)
                entity.ExpEntity:SetEffectPosByType(LuaConst.EffectType.Occupier, 0, effectHeight, 0)
                local effectScale = STANDARD_OCCUPIER_EFF_SCALE * camToOccupierDist / self.camToMainDist
                entity.ExpEntity:SetEffectScaleByType(LuaConst.EffectType.Occupier, effectScale, effectScale, effectScale)
            end
        end
        entity.ExpEntity:SetModelRivalVisible(false)
    end
end

function ExpSyncWarZoneWorldBossLevelFunction:RefreshNo1Icon()
    local rankList = self.levelFunction.occupyRankList
	local rank = rankList[1]
	if rank then
        local occupierID = self.levelFunction:GetCurOccupierPlayerID()
        local occupierCamp
        if occupierID then
            local occupierInfo = LevelPlayerManager.GetPlayerInfoByPlayerIDInRoom(occupierID)
            if occupierInfo then
                occupierCamp = occupierInfo.campID
            end
        end
        
        local firstEntityList = LevelPlayerManager.GetAliveAndActiveEntitiesOfTeam(rank.teamId)
        for _,entity in ipairs(firstEntityList) do
            if not entity:HasBuff(IgnoreBossWhenNoRewardChanceBuffID) then
                entity.ExpEntity:SetModelNo1IconVisible(entity:GetCampID() == occupierCamp)
            end
        end

        for i=2,#rankList do
        	for j,record in ipairs(rankList[i].teamRecordList) do
        		local otherEntityList = LevelPlayerManager.GetPlayerEntitysByPlayerIDInRoom(record.playerID)
	            for m,entity in ipairs(otherEntityList) do
	                entity.ExpEntity:SetModelNo1IconVisible(entity:GetCampID() == occupierCamp)
	            end
        	end
        end
    end
end

function ExpSyncWarZoneWorldBossLevelFunction:HideNo1IconOfTeam(teamId)
    local firstEntityList = LevelPlayerManager.GetAliveAndActiveEntitiesOfTeam(teamId)
    if firstEntityList then
        for i,entity in ipairs(firstEntityList) do
            entity.ExpEntity:SetModelNo1IconVisible(false)
        end
    end
end

function ExpSyncWarZoneWorldBossLevelFunction:OnSwitchHero(fromEntity, toEntity)
    Base.OnSwitchHero(self, fromEntity, toEntity)
	if #self.levelFunction.occupyRankList > 0 then
        if not toEntity:HasBuff(IgnoreBossWhenNoRewardChanceBuffID) then
    		if toEntity:GetTeamID() == self.levelFunction.occupyRankList[1].teamId then
    			toEntity.ExpEntity:SetModelNo1IconVisible(true)
    		end
        end
	end
end

return ExpSyncWarZoneWorldBossLevelFunction