--逐鹿中原（大乱斗）第二层
local EventSystem = require('Event/EventSystem')

local Base = require("Battle/Logic/Level/LevelFunction/FightThroneBaseLevelFunction")
local FightThroneSecondFloorLevelFunction = class("FightThroneSecondFloorLevelFunction",Base)

function FightThroneSecondFloorLevelFunction:InitLevel()
	Base.InitLevel(self)
	self.shouldSnatchShard = true
	self.bossDmgInfoDic = {}		--key 是boss的entityID，value是一个list，元素是{playerID, dmg}(玩家对这个boss造成的伤害)
	self.bossDmgSortList = {}   	--boss伤害排序列表
	self.isBossDead = true 			--boss是否已经死了。初始没刷boss的时候就认为是死亡，所以默认值为true
	self.beforeEndLevelOk = false   -- 是否已经执行过BeforeEndLevel
end

function FightThroneSecondFloorLevelFunction:ChangeCollectAmountOfPlayer(entity, playerID, delta)
    Base.ChangeCollectAmountOfPlayerByCollectKey(self, entity, playerID, 2, delta)
end

function FightThroneSecondFloorLevelFunction:OnPlayerActived(playerID)
    Base.OnPlayerActived(self, playerID)
	SystemManager.SetFightMode(playerID, LuaConst.EFightMode.TEAM_GUILD, true)
end

function FightThroneSecondFloorLevelFunction:OnEntityBorn(entity)
	Base.OnEntityBorn(self, entity)
	if entity:IsBoss() then
		self.isBossDead = false
	end
end

function FightThroneSecondFloorLevelFunction:QuitRoom(entity)
	Base.QuitRoom(self, entity)
	-- 清空其对boss伤害
	if entity.isHero then
		self.bossDmgInfoDic[entity:GetPlayerID()] = nil
	end
end

-- 统计英雄对boss的伤害量
function FightThroneSecondFloorLevelFunction:OnHpChange(entity, caster, delta, op)
	if op == "sub" and delta < FP.Const.Zero then -- 先不考虑加血的情况 ，如果有 ，需要改下面代码
		if entity.isBoss then
			local dmgDealer = caster:GetOriginEntity()
			if dmgDealer.isHero then
				local dmgDealerPlayerID = dmgDealer:GetPlayerID()
				local dmg = self.bossDmgInfoDic[dmgDealerPlayerID]
				if dmg == nil then
					self.bossDmgInfoDic[dmgDealerPlayerID] = FP.newV1(-1):Mul(delta)
				else
					dmg:Sub(delta)
				end
			end
		end
	end
	Base.OnHpChange(self, entity, caster, delta, op)
end

local bossDmgInfoSorter = function(a, b)
	return a.dmg > b.dmg
end

function FightThroneSecondFloorLevelFunction:OnBossDead(entity)
	Base.OnBossDead(self, entity)

	self.isBossDead = true
	if self.beforeEndLevelOk then
		return
	end
	-- 给排名最靠前的玩家添加旗帜
	self:SortBossDmg()
	self:AddFlagToHighestBossDmg()
end

function FightThroneSecondFloorLevelFunction:SortBossDmg()
	table.clear(self.bossDmgSortList)
	for playerID, dmg in pairs(self.bossDmgInfoDic) do -- pairs safe
		table.insert(self.bossDmgSortList, {playerID = playerID, dmg = dmg})
	end
	table.sort(self.bossDmgSortList, bossDmgInfoSorter)
end

function FightThroneSecondFloorLevelFunction:AddFlagToHighestBossDmg()
	for i = 1, #self.bossDmgSortList do
		local playerID = self.bossDmgSortList[i].playerID
		if self:GetFlagAmountOfPlayer(playerID) <= 0 then
			local entity = LevelPlayerManager.GetPlayerActiveEntity(playerID)
			self:ChangeFlagAmountOfPlayer(entity, playerID, 1)
			break
		end
	end
end

function FightThroneSecondFloorLevelFunction:BeforeEndLevel()
	Base.BeforeEndLevel(self)
	self.beforeEndLevelOk = true
	if self.isBossDead then
		return
	end
	-- 给排名最靠前的玩家添加旗帜
	self:SortBossDmg()
	self:AddFlagToHighestBossDmg()
end

function FightThroneSecondFloorLevelFunction:GetDamageList()
	return self.bossDmgInfoDic
end
return FightThroneSecondFloorLevelFunction