---@class BP_MonsterBoss_C:BP_MonsterAttack_C
---@field HealthWidget UWidgetComponent
---@field NarrationWidget UWidgetComponent
--Edit Below--
local MonsterAttack = require('Script.Blueprint.Monster.BP_MonsterAttack')
local BP_MonsterBoss = setmetatable(
    {
        HasBegunPlay = false,
        KilledPlayerNum = 0,

        SpawnMinionsHealthPercents = {0.8, 0.5, 0.3, 0.1},
        SpawnedMinions = {},
    },
    {
        __index = MonsterAttack,
        __metatable = MonsterAttack
    }
)

BP_MonsterBoss.BornTime = nil;

function BP_MonsterBoss:GetReplicatedProperties()
    return
    "KilledPlayerNum", "bIsStun", "TargetPlayerKey"
end

function BP_MonsterBoss:ReceiveBeginPlayEx()
    MonsterAttack.ReceiveBeginPlayEx(self)
    
    if self:HasAuthority() then
        local PlayerStates = UGCGameSystem.GetAllPlayerState(false);
        local ServerTime = KismetSystemLibrary.GetGameTimeInSeconds(self)
        
        for i, v in pairs(PlayerStates) do
            if v then
                --if v.EasterEggsData[3] == nil then
                --    v.EasterEggsData[3] = {}
                --end
                --v.EasterEggsData[3].BeginTime = ServerTime
            end
        end

        self.BornTime = ServerTime;
    else
        EventSystem.SetTimer(self, function() 
            self.NarrationWidget.Widget:UpdateKilledPlayerNum(self.KilledPlayerNum)
        end, 1.5)
    end
end

function BP_MonsterBoss:BPReceiveDamageEx(DamageAmount, DamageType, EventInstigator, DamageCauser)
    if self.bIsReplica then
        return
    end

    local CurHPSpawnThreshold = self.SpawnMinionsHealthPercents[1]
    if CurHPSpawnThreshold then
        local CurHP = UGCSimpleCharacterSystem.GetHealth(self)
        local MaxHP = UGCSimpleCharacterSystem.GetHealthMax(self)
        local HPPercent = CurHP / MaxHP
        if HPPercent <= CurHPSpawnThreshold then
            self:SpawnMinions(#UGCGameSystem.GetAllPlayerPawn() * 5)
            table.remove(self.SpawnMinionsHealthPercents, 1)
        end
    end

    UE.Log("[BP_MonsterBoss:BPReceiveDamageEx] %s: CurHealth=%.2f, MaxHealth=%.2f, DamageAmount=%.2f, EventInstigator=%s, Causer=%s", 
    KismetSystemLibrary.GetObjectName(self), 
    UGCSimpleCharacterSystem.GetHealth(self), 
    UGCSimpleCharacterSystem.GetHealthMax(self), 
    DamageAmount,
    KismetSystemLibrary.GetObjectName(EventInstigator), 
    KismetSystemLibrary.GetObjectName(DamageCauser))
end

function BP_MonsterBoss:SpawnMinions(SpawnNum)
    local MonsterClass = GameDataManager.GetAttackWaveCommonMonsterClass()
    for i = 1, SpawnNum do
        local SpawnLoc = VectorHelper.RandomVector(self:K2_GetActorLocation(), 1)
        local SpawnRot = VectorHelper.RandomRotatorYaw(self:K2_GetActorRotation())
        local Monster = UGCGameSystem.SpawnActor(self, MonsterClass, SpawnLoc, SpawnRot, VectorHelper.ScaleOne(), nil)
        if Monster then
            local MaxHP = UGCSimpleCharacterSystem.GetHealthMax(self) / 10.0
            UGCSimpleCharacterSystem.SetHealthMax(Monster, MaxHP)
            UGCSimpleCharacterSystem.SetHealth(Monster, MaxHP)
            UGCSimpleCharacterSystem.SetSpeedScale(Monster, 385 / 600)
            
            Monster.BossLevel = 1
            Monster.AttackValue = self.AttackValue / 10.0
            Monster.PhysicalDefense = self.PhysicalDefense / 10.0
            Monster.DeadCoinPoint = 0.0
            Monster.DeadKillPoint = 0.0
            Monster.BaseHealthMax = MaxHP
            Monster.BaseAttackValue = Monster.AttackValue
            Monster.BasePhysicalDefense = Monster.PhysicalDefense
            Monster.BaseMaxWalkSpeed = 385

            Monster.OnDeath:Add(self.OnMinionDeath, self)

            table.insert(self.SpawnedMinions, Monster)
        end
    end
end

function BP_MonsterBoss:OnMinionDeath(DeadMonster, KillerController, DamageCauser, KillingHitInfo, KillingHitImpulseDir, KillingHitDamageTypeID, DamageTypeClass, IsHeadShotDamage)
    for Index, Minion in pairs(self.SpawnedMinions) do
        if DeadMonster == Minion then
            self.SpawnedMinions[Index] = nil
            break
        end
    end
end

function BP_MonsterBoss:OnRep_KilledPlayerNum()
    if UE.IsValid(self.NarrationWidget.Widget) then
        self.NarrationWidget.Widget:UpdateKilledPlayerNum(self.KilledPlayerNum)
    end
end

function BP_MonsterBoss:ClientOnHealthChangedEx(CurrentHP, MaxHP)
    UE.Log("[BP_MonsterBoss:ClientOnHealthChangedEx] %s: CurHealth=%.2f, MaxHealth=%.2f", KismetSystemLibrary.GetObjectName(self), CurrentHP, MaxHP)
    if UE.IsValid(self.NarrationWidget.Widget) then
        self.NarrationWidget.Widget:UpdateOwnerHealth(CurrentHP, MaxHP)
    end
    if UE.IsValid(self.HealthWidget.Widget) then
        self.HealthWidget.Widget:UpdateOwnerHealth(CurrentHP, MaxHP)
    end
end

function BP_MonsterBoss:ReceiveOnMonsterDeath()
    MonsterAttack.ReceiveOnMonsterDeath(self)
    if self:HasAuthority() then
    else
        self.NarrationWidget.Widget:UpdateOwnerHealth(0, 100)
        self.HealthWidget.Widget:UpdateOwnerHealth(0, 100)
    end
end

function BP_MonsterBoss:GetDropRate()
    return 100
end

function BP_MonsterBoss:ServerOnDeathEx(DeadMonster, KillerController, DamageCauser, KillingHitInfo, KillingHitImpulseDir, KillingHitDamageTypeID, DamageTypeClass, IsHeadShotDamage)
    MonsterAttack.ServerOnDeathEx(self, DeadMonster, KillerController, DamageCauser, KillingHitInfo, KillingHitImpulseDir, KillingHitDamageTypeID, DamageTypeClass, IsHeadShotDamage)
    -- 当 BOSS 死亡之后所有玩家的 BOSS 击杀数都加一
    if DeadMonster == self then
        local PlayerStates = UGCGameSystem.GetAllPlayerState(false);
        -- BOSS 死亡掉落
        local ChineseName = Tables.MonsterBaseConfig[DeadMonster.ID].ChineseName
        
        -- 检查一下有多少怪物
        local Count = 0
        local Diff = UGCGameSystem.GameState.GameDifficulty
        if Diff >= 4 then
            Diff = 4;
        end
        for i, v in pairs(Tables.GameFightStageConfig[Diff]) do
            Count = Count + v.MonsterNum.Boss
        end
        -- 如果当前 Boss == 最后一位 Boss
        local BossList = UGCGameSystem.GameState.BossList
        log_tree("[BP_MonsterBoss:OnSelfDeath] BossList = ", BossList)

        if DeadMonster.ID == BossList[#BossList] then
            EventSystem:SendEvent(EventType.OnSendGameEnd, "LastBossDefeated")
        end
        local ServerTime = KismetSystemLibrary.GetGameTimeInSeconds(self)
        local CostTime = ServerTime - self.BornTime
        
        for i, v in pairs(PlayerStates) do
            if v then
                v.KillCount.Boss = v.KillCount.Boss + 1
                v.ArchiveData.TotalBossKilledTimes = v.ArchiveData.TotalBossKilledTimes + 1
                ArchiveTable.Funcs[ArchiveTable.ArchiveType.EasterEggs](v, 3, CostTime);

                -- 计算当前彩蛋 3
                if v.EasterEggsData[3] == nil then
                    v.EasterEggsData[3] = {}
                    v.EasterEggsData[3].BossCount = 1
                else
                    if v.EasterEggsData[3].BossCount == nil then
                        v.EasterEggsData[3].BossCount = 0
                    end
                    v.EasterEggsData[3].BossCount = v.EasterEggsData[3].BossCount + 1
                end

                if v.EasterEggsData[3].BossCount == Count then
                    local ServerTime = KismetSystemLibrary.GetGameTimeInSeconds(self)
                    v.EasterEggsData[3].EndTime = ServerTime
                    local BeginTime = v.EasterEggsData[3].BeginTime
                    if BeginTime ~= nil then
                        ArchiveTable.Funcs[ArchiveTable.ArchiveType.EasterEggs](v, 3, ServerTime - BeginTime)
                    end
                end

                -- 计算总的掉落概率
                local DropRate = 0
                for _, c in pairs(ArchiveTable.BossDropItems[ChineseName]) do
                    if c.DropRate ~= nil then
                        DropRate = c.DropRate + DropRate
                    end
                end

                local RandNum = math.random()
                if RandNum <= DropRate then
                    local Val = math.random(1, 4)
                    if v.ArchiveData.BossDropItems[ChineseName] == nil then
                        v.ArchiveData.BossDropItems[ChineseName] = {}
                    end
                    if v.ArchiveData.BossDropItems[ChineseName][Val] == nil then
                        v.ArchiveData.BossDropItems[ChineseName][Val] = 1
                    else
                        v.ArchiveData.BossDropItems[ChineseName][Val] = v.ArchiveData.BossDropItems[ChineseName][Val] + 1
                    end
                end
            end
        end
        
        for Index, Minion in pairs(self.SpawnedMinions) do
            if Minion ~= nil and UE.IsValid(Minion) and Minion:IsAlive() then
                Minion:SetLifeSpan(2.0)
            end
            self.SpawnedMinions[Index] = nil
        end
    end
end


return BP_MonsterBoss;