--[[
需要委托绑定初始化:InitUGCSendRPCSystem
服务器客户端处均可初始化，仅一方初始化则只能在该位置发起RPC 建议在服务器和客户端均执行InitUGCSendRPCSystem
InTargetObj内的目标RPC函数必须调用UGCSendRPCSystem.RPCFunc(...)如下
function UGCGameState:UGCSendRPCSystemFunc(...) UGCSendRPCSystem.RPCFunc(...) end
]]--

UGCSendRPCSystem = UGCSendRPCSystem or {}

---@class ERPCType
---@field Client2Server int32
---@field Server2Client int32
---@field Multicast int32
UGCSendRPCSystem.ERPCType = {
    Client2Server = 0x1,
    Server2Client = 0x2,
    Multicast = 0x4,
}

UGCSendRPCSystem.DelegationObj = nil
UGCSendRPCSystem.DelegationFuncName = ""

---@param InTargetObj AActor*
---@param InUGCSendRPCSystemFuncName string
function UGCSendRPCSystem.InitUGCSendRPCSystem(InTargetObj, InUGCSendRPCSystemFuncName)
    if UE.IsValid(InTargetObj) and type(InTargetObj[InUGCSendRPCSystemFuncName]) == "function" then
        UGCSendRPCSystem.DelegationObj = InTargetObj
        UGCSendRPCSystem.DelegationFuncName = InUGCSendRPCSystemFuncName
    end
end


--- RPC自动发送 TargetPlayer为nil则广播到所有客户端，为table则发送到包含的客户端，为int32则发送到目标客户端
--- 为 nil 的时候仅在 Server，
---@param RPCFuncName string UGCSendRPCSystem的函数名称
---@param InTargetPlayer nil | table | int32
---@tparam ... 事件输入的可变参数
function UGCSendRPCSystem.AutoTriggerRPC(RPCFuncName, InTargetPlayer, ...)
    if not UGCSendRPCSystem.CheckUGCSendRPCSystem() then
        UGCLogSystem.LogError("[UGCSendRPCSystem_AutoTriggerRPC] not initialized")
        return false
    end

    if InTargetPlayer == nil then
        if UGCGameSystem.IsServer() then
            UnrealNetwork.CallUnrealRPC_Multicast(UGCSendRPCSystem.DelegationObj, UGCSendRPCSystem.DelegationFuncName, RPCFuncName, ...)
        else
            local TargetController = STExtraGameplayStatics.GetFirstPlayerController(UGCGameSystem.GameState)
            if UE.IsValid(TargetController) then UnrealNetwork.CallUnrealRPC(TargetController, UGCSendRPCSystem.DelegationObj, UGCSendRPCSystem.DelegationFuncName, RPCFuncName, ...) end
        end
    elseif type(InTargetPlayer) == "number" then
        local TargetController = nil
        if UGCGameSystem.IsServer() then
            TargetController = UGCGameSystem.GetPlayerControllerByPlayerKey(InTargetPlayer)
        else
            TargetController = STExtraGameplayStatics.GetFirstPlayerController(UGCGameSystem.GameState)
        end

        if UE.IsValid(TargetController) then UnrealNetwork.CallUnrealRPC(TargetController, UGCSendRPCSystem.DelegationObj, UGCSendRPCSystem.DelegationFuncName, RPCFuncName, ...) end
    elseif type(InTargetPlayer) == "table" and UGCGameSystem.IsServer() then
        for _, PlayerKey in pairs(InTargetPlayer) do
            local TargetController = UGCGameSystem.GetPlayerControllerByPlayerKey(PlayerKey)
            if UE.IsValid(TargetController) then UnrealNetwork.CallUnrealRPC(TargetController, UGCSendRPCSystem.DelegationObj, UGCSendRPCSystem.DelegationFuncName, RPCFuncName, ...) end
        end
    end

end

function UGCSendRPCSystem.RPCFunc(FuncName, ...) UGCSendRPCSystem[FuncName](...) end

function UGCSendRPCSystem.CheckUGCSendRPCSystem() return UE.IsValid(UGCSendRPCSystem.DelegationObj) end

---@param RPCFuncName string
---@param RPCType ERPCType
---@param InTargetPlayer PlayerKey | AActor | table<int, PlayerKey>
function UGCSendRPCSystem.ExecRPC(RPCFuncName, RPCType, InTargetPlayer, ...)
    -- 首先检查当前是什么端
    if RPCType & UGCSendRPCSystem.ERPCType.Client2Server == 1 then
        if UGCGameSystem.IsServer() then
            if type(InTargetPlayer) == 'number' then
                --local PC = UGCGameSystem.GetPlayerControllerByPlayerKey(InTargetPlayer);
            elseif type(InTargetPlayer) == 'table' and UE.IsValid(InTargetPlayer) then
                -- 当前是 Actor
                if InTargetPlayer[RPCFuncName] ~= nil and type(InTargetPlayer[RPCFuncName]) == 'function' then
                    InTargetPlayer[RPCFuncName](...);
                end
            else
            
            end
        else
            UGCSendRPCSystem.AutoTriggerRPC(RPCFuncName, InTargetPlayer, ...);
        end
    end
    
    if RPCType & UGCSendRPCSystem.ERPCType.Server2Client == 1 then
        if UGCGameSystem.IsServer() then
            UGCSendRPCSystem.AutoTriggerRPC(RPCFuncName, InTargetPlayer, ...);
        else
        end
    end
    
    if RPCType & UGCSendRPCSystem.ERPCType.Multicast == 1 then
        -- 检查 InTargetPlayer
        if UGCGameSystem.IsServer() then
            UGCSendRPCSystem.AutoTriggerRPC(RPCFuncName, nil, InTargetPlayer, ...);
        else
        end
    end
end


------------------------------------------- Delegation Func -------------------------------------------

--- RPC委托调用事件
function UGCSendRPCSystem.RPCEvent(TargetPlayer, EventType, ...) UGCSendRPCSystem.AutoTriggerRPC("RPC_RPCEvent", TargetPlayer, EventType, ... ) end

function UGCSendRPCSystem.RPC_RPCEvent(EventType, ...) UGCEventSystem.SendEvent(EventType, ...) end

--- RPC委托触发Actor的函数
function UGCSendRPCSystem.ActorRPCNotify(TargetPlayer, TargetActor, FuncName, ...) UGCSendRPCSystem.AutoTriggerRPC("RPC_ActorRPCNotify", TargetPlayer, TargetActor, FuncName, ... ) end

function UGCSendRPCSystem.RPC_ActorRPCNotify(TargetActor, FuncName, ...)
    UGCLogSystem.Log("[UGCSendRPCSystem.RPC_ActorRPCNotify] FuncName = %s", FuncName);
    TargetActor[FuncName](TargetActor, ...)
end

--- RPC委托触发模式编辑器的事件
function UGCSendRPCSystem.PlayActionEvent(TargetPlayer, EventName, ...) UGCSendRPCSystem.AutoTriggerRPC("RPC_PlayActionEvent", TargetPlayer, EventName, ... ) end

function UGCSendRPCSystem.RPC_PlayActionEvent(EventName, ...) UGCGameSystem.SendModeCustomEvent(EventName, ...) end

--- 客户端显示隐藏UI
function UGCSendRPCSystem.ClientShowUI(TargetPlayer, UIType, bShow, NeedClosePeerPanel, ...)
    if UGCGameSystem.IsServer() then
        if bShow == nil then bShow = true end
        if NeedClosePeerPanel == nil then NeedClosePeerPanel = false end
        UGCSendRPCSystem.AutoTriggerRPC("RPC_ClientShowUI", TargetPlayer, UIType, bShow, NeedClosePeerPanel, ... )
    else
        UGCLogSystem.LogError("[UGCSendRPCSystem_ClientShowUI] 仅服务器调用生效 UIType:%s", tostring(UIType))
    end
end

function UGCSendRPCSystem.RPC_ClientShowUI(UIType, bShow, NeedClosePeerPanel, ...)
    if bShow then WidgetManager:ShowPanel(UIType, NeedClosePeerPanel, ...) else WidgetManager:ClosePanel(UIType) end
end

function UGCSendRPCSystem.ExeStaticLogic(TargetPlayer, LogicType, FuncName, ...)
    UGCSendRPCSystem.AutoTriggerRPC("RPC_ExeStaticLogic", TargetPlayer, LogicType, FuncName, ... )
end

function UGCSendRPCSystem.RPC_ExeStaticLogic(LogicType, FuncName, ...)
    if table.hasValue(LogicConfig.ELogicType, LogicType) then
        UGCLogSystem.Log("[UGCSendRPCSystem_RPC_ExeStaticLogic] FuncName:%s", FuncName)
        local LogicStatic = require(LogicConfig.RequireList[LogicType])
        UGCLogSystem.LogTree("[UGCSendRPCSystem_RPC_ExeStaticLogic] ", LogicStatic)
        LogicStatic[FuncName](...)
    else
        UGCLogSystem.LogError("[UGCSendRPCSystem_RPC_ExeStaticLogic]  LogicConfig.ELogicType[%s] is nil ", tostring(LogicType))
    end
end