function Initialize-Log {
    param(
        [string]$LogDirectory
    )
    $LogFileName = "log_$(Get-Date -Format "yyyy-MM-dd_HHmmss").log"
    $global:LogFilePath = Join-Path -Path $LogDirectory -ChildPath $LogFileName
}

function Write-Log {
    param(
        [string]$Message,
        [string]$Severity = "Info"
    )

    $Date = Get-Date -Format "yyyy'-'MM'-'dd'T'HH':'mm':'ss.fffffffK"
    $Prefix = "[$Date]:`t$($Severity.ToUpper())`t`t"

    Write-Host -Object $Message
    "$Prefix$Message" | Out-File -FilePath $global:LogFilePath -Encoding utf8 -Append -Force
}

function Set-StringLength {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory)]
        [string]$InputString,

        [Parameter(Mandatory)]
        [int]$TotalLength
    )

    if ($InputString.Length -ge $TotalLength) {
        return $InputString.Substring(0, $TotalLength)
    }

    return $InputString + (" " * ($TotalLength - $InputString.Length))
}