param(
    [Parameter(Mandatory=$true)]
    [string]$TableName
)

# Importa configurazione
. "$PSScriptRoot\conf.ps1"

# Carica l'assembly System.Data
Add-Type -AssemblyName System.Data

$OutputFile = Join-Path $PSScriptRoot "..\extract\$TableName.csv"

$Query = "SELECT * FROM $TableName"

try {
    Write-Host "Connessione a $env:dbHostInput, database $env:dbNameInput..."
    
    # Crea la connessione e esegui la query
    $connectionString = "Server=$($env:dbHostInput);Database=$($env:dbNameInput);User Id=$($env:dbUserInput);Password=$($env:dbPasswordInput);TrustServerCertificate=True"
    $connection = New-Object System.Data.SqlClient.SqlConnection($connectionString)
    $command = New-Object System.Data.SqlClient.SqlCommand($Query, $connection)
    $adapter = New-Object System.Data.SqlClient.SqlDataAdapter($command)
    $dataset = New-Object System.Data.DataSet
    $adapter.Fill($dataset) | Out-Null
    $result = $dataset.Tables[0]
    
    if ($result) {
        $result | Export-Csv -Path $OutputFile -NoTypeInformation -Delimiter ";" -Encoding UTF8
    } else {
        throw "Nessun dato trovato nella tabella $TableName"
    }
    
    Write-Host "Dati esportati con successo in: $OutputFile"
}
catch {
    Write-Error "Errore durante l'estrazione dei dati: $_"
    exit 1
}