. $(-Join($(Get-Location).Path, '\config.ps1'))

function Write-Log {
    param (
        [Parameter(Mandatory)]
        [string]$Message,           # 日志内容
        [switch]$ToEventLog       # 是否输出到事件管理器
    )

    # 时间戳前缀
    $timestamp = (Get-Date -Format "yyyy-MM-dd HH:mm:ss")
    $logEntry = "[$timestamp] $Message"

    # 输出到控制台
    if ($Global:isDebugging) {
        Write-Host $logEntry 
    }

    if ($ToEventLog){
        # 写入到 Windows 事件日志
        $eventID = 1000

        # 确保事件源存在
        $source = "GateWay-KeepAliveForPowershell"
        if (-not (Get-EventLog -LogName Application -Source $source -ErrorAction SilentlyContinue)) {
            try {
                New-EventLog -LogName Application -Source $source -ErrorAction Stop
            } catch {
                Write-Host "Error creating event source: $_" -ForegroundColor Red
                return
            }
        }

        # 写入事件日志
        try {
            Write-EventLog -LogName Application -Source $source -EventID $eventID -EntryType 'Info' -Message $Message
        } catch {
            Write-Host "Failed to write to event log: $_" -ForegroundColor Red
        }
    }
}