---@class CommandQueneManager
CommandQueneManager =  CommandQueneManager or {
    bGameStateReady = false;
    bPlayerCtrlReady = false;
    bPlayerPawnReady = false;
    bPlayerStateReady = false;

    bHasInit = false;

    InitCommandList = {};
    CommandList = {};
};

require('Script.Global.GlobalFunctions')
local TableHelper = require('Script.Global.TableHelper')

function __FILE__() return debug.getinfo(2, 'S').source end
function __LINE__() return debug.getinfo(2, 'l').currentline end
function __FUNC__() return debug.getinfo(2, 'n').name end

--- 添加初始化命令
---@param InObject any
---@param InFunc function   @函数变量
function CommandQueneManager:AddInitCommand(InObject, InFunc)
    if UE.IsValid(InObject) == false then
        return
    end
    UE.Log("[CommandQueneManager] *** 新增初始化命令 Object[%s] InFunc[%s]",  TableHelper.GetName(InObject), tostring(InFunc))
    table.insert(CommandQueneManager.InitCommandList, {Object=InObject, Func=InFunc})
end

function CommandQueneManager:RemoveInitCommand(InObject)
    local RemovedFuncNum = 0
    for index, FuncData in pairs(CommandQueneManager.InitCommandList) do
        if FuncData.Object == InObject then
            CommandQueneManager.InitCommandList[index] = nil
            RemovedFuncNum = RemovedFuncNum + 1
        end
    end
    UE.Log("[CommandQueneManager] *** 删除初始化命令 Object[%s] RemovedNum=%d",  TableHelper.GetName(InObject), RemovedFuncNum)
end

--- 添加常规执行命令
---@param InObject any
---@param InFunc function   @函数变量
function CommandQueneManager:AddCommand(InObject, InFunc)
    UE.Log("[CommandQueneManager] *** 新增命令 Object[%s] InFunc[%s]",  TableHelper.GetName(InObject), tostring(InFunc))
    table.insert(CommandQueneManager.CommandList, {Object=InObject, Func=InFunc})
end


function CommandQueneManager:Update()
    --- 没有初始化前先调用初始化命令
    if not CommandQueneManager.bHasInit
    and CommandQueneManager.bGameStateReady
    and CommandQueneManager.bPlayerCtrlReady
    and CommandQueneManager.bPlayerPawnReady
    and CommandQueneManager.bPlayerStateReady then
        CommandQueneManager.bHasInit = true

        local PendingKillObject = {}
        UE.Log("[CommandQueneManager] *** >>> =====开始处理初始化命令===== Num = %d", table.getCount(CommandQueneManager.InitCommandList))
        local CommandIndex = 1
        for _, FuncData in pairs(CommandQueneManager.InitCommandList) do
            if FuncData.Object ~= nil then
                if UE.IsValid(FuncData.Object) then
                    FuncData.Func(FuncData.Object)
                    UE.Log("[CommandQueneManager] *** >>> Index = %d, objName = %s, Func = %s", CommandIndex, TableHelper.GetName(FuncData.Object), tostring(FuncData.Func))
                else
                    UE.Log("[CommandQueneManager] *** >>> Index = %d, objName = %s is invalid, skipped!", CommandIndex, TableHelper.GetName(FuncData.Object))
                    table.insert(PendingKillObject, FuncData.Object)
                end
            else
                FuncData.Func()
                UE.Log("[CommandQueneManager] *** >>> Index = %d, Func = %s", CommandIndex, tostring(FuncData.Func))
            end
            CommandIndex = CommandIndex + 1
        end
        UE.Log("[CommandQueneManager] *** >>> =====处理初始化命令完毕=====")

        for _, obj in ipairs(PendingKillObject) do
            for index, FuncData in pairs(CommandQueneManager.InitCommandList) do
                if obj == FuncData.Object then
                    CommandQueneManager.InitCommandList[index] = nil
                end
            end
        end
    end

    if CommandQueneManager.bHasInit then
        if #CommandQueneManager.CommandList <= 0 then
            return
        end
        
        UE.Log("[CommandQueneManager] *** >>> 处理命令 %d",  #CommandQueneManager.CommandList)
        for _, FuncData in pairs(CommandQueneManager.CommandList) do
            if FuncData.Object ~= nil then                
                if UE.IsValid(FuncData.Object) then
                    FuncData.Func(FuncData.Object)
                end
            else
                FuncData.Func()
            end
        end

        -- 调用完就清除
        CommandQueneManager.CommandList = {}
    end
end

return CommandQueneManager;