param(
    [string]$InputFile = "C:\Temp\git\PS-SetEtikettSorte\500GrammEtikett.psd",
    [Parameter(Mandatory)]
    [string]$Sorte,
    [string]$Sorte2,
    [Parameter(Mandatory)]
    [string]$Datum
)

# --- Encoding ---
[Console]::OutputEncoding = [System.Text.Encoding]::UTF8

# --- Photoshop starten ---
$ps = New-Object -ComObject Photoshop.Application
$ps.Visible = $false
$ps.Preferences.RulerUnits = 1  # Pixel

# --- Helper: Dateiname säubern ---
function Sanitize-FileName($name) {
    if (-not $name) { return "" }
    $name = $name -replace '[\\/:*?"<>|]', '_'
    $name = $name -replace '\s+', '-'
    $name = $name -replace '&', '-'
    return $name
}

# --- Datum umwandeln ---
$parsedDate = [datetime]::ParseExact($Datum, "dd.MM.yyyy", $null)
$OutDate = $parsedDate.ToString("yyyy-MM-dd")

$SorteSafe  = Sanitize-FileName $Sorte
$Sorte2Safe = Sanitize-FileName $Sorte2

# --- PSD öffnen ---
$doc = $ps.Open($InputFile)

# --- Text setzen ---
try {
    $doc.ArtLayers.GetByName("Sorte").TextItem.Contents = "Deutscher $Sorte"
} catch {}

try {
    $layer2 = $doc.ArtLayers.GetByName("Sorte2")
    if (-not [string]::IsNullOrWhiteSpace($Sorte2)) {
        $layer2.TextItem.Contents = "mit $Sorte2"
    } else {
        $layer2.TextItem.Contents = ""
    }
} catch {}

try {
    $doc.ArtLayers.GetByName("Datum").TextItem.Contents = $Datum
} catch {}

# --- Output Name ---
if ($Sorte2Safe) {
    $OutputFile = "C:\Temp\git\PS-SetEtikettSorte\${OutDate}_${SorteSafe}_mit_${Sorte2Safe}.jpg"
} else {
    $OutputFile = "C:\Temp\git\PS-SetEtikettSorte\${OutDate}_${SorteSafe}.jpg"
}

# --- Export Einzeletikett ---
$doc.Export($OutputFile, 2)
$doc.Close(2)

# =====================================================
# ================== A4 GENERIERUNG ===================
# =====================================================

$A4Template = "C:\Temp\git\PS-SetEtikettSorte\Druckvorlage_A4.psd"
$docA4 = $ps.Open($A4Template)

# --- Helper: Bild einfügen ---
function Place-Image {
    param($file, $targetDoc)

    $imgDoc = $ps.Open($file)
    $imgDoc.Selection.SelectAll()
    $imgDoc.Selection.Copy()
    $imgDoc.Close(2)

    $ps.ActiveDocument = $targetDoc
    $targetDoc.Paste()

    return $targetDoc.ActiveLayer
}

# --- Größe ermitteln ---
$ps.ActiveDocument = $docA4
$layer = Place-Image $OutputFile $docA4

$bounds = $layer.Bounds
$width  = [int]$bounds[2] - [int]$bounds[0]
$height = [int]$bounds[3] - [int]$bounds[1]

# löschen (sauber)
$ps.ActiveDocument = $docA4
$layer = $docA4.ActiveLayer

if ($layer) {
    $layer.Delete()
}

# --- Grid Parameter ---
$cols = 1
$rows = 6
$gapX = 60
$gapY = 100

$offsetX = 100
$offsetY = 100

# --- Platzierung ---
for ($r = 0; $r -lt $rows; $r++) {
    for ($c = 0; $c -lt $cols; $c++) {

        $ps.ActiveDocument = $docA4

        #Place-Image $OutputFile $docA4
        [void](Place-Image $OutputFile $docA4)

        $layer = $docA4.ActiveLayer

        $bounds = $layer.Bounds
        $currentX = [int]$bounds[0]
        $currentY = [int]$bounds[1]

        $targetX = $offsetX + ($c * ($width + $gapX))
        $targetY = $offsetY + ($r * ($height + $gapY))

        $moveX = $targetX - $currentX
        $moveY = $targetY - $currentY

        $docA4.ActiveLayer = $layer
        $layer.Translate($moveX, $moveY)
    }
}

# --- Final Output ---
if ($Sorte2Safe) {
    $FinalOutput = "C:\Temp\git\PS-SetEtikettSorte\${OutDate}_A4_${SorteSafe}_mit_${Sorte2Safe}.jpg"
} else {
    $FinalOutput = "C:\Temp\git\PS-SetEtikettSorte\${OutDate}_A4_${SorteSafe}.jpg"
}

$ps.ActiveDocument = $docA4
$docA4.Export($FinalOutput, 2)
$docA4.Close(2)

$ps.Quit()