[CmdletBinding()]
param(
    [string]$ComposeFile = (Join-Path $PSScriptRoot '..\docker-compose.yml'),
    [string]$SeedPath = (Join-Path $PSScriptRoot '..\database\contao-baseline.sql'),
    [switch]$ReplaceExisting
)

$ErrorActionPreference = 'Stop'
$tables = @('tl_theme', 'tl_layout', 'tl_module', 'tl_page', 'tl_article', 'tl_content', 'tl_form', 'tl_form_field')

if (-not (Test-Path -LiteralPath $SeedPath)) {
    throw "Der Baseline-Seed '$SeedPath' wurde nicht gefunden."
}

$composeFile = (Resolve-Path -LiteralPath $ComposeFile).Path
$countQuery = ($tables | ForEach-Object { "SELECT COUNT(*) FROM $_" }) -join ' UNION ALL '
$checkCommand = "mariadb -N -u`"`$MARIADB_USER`" -p`"`$MARIADB_PASSWORD`" `"`$MARIADB_DATABASE`" -e `"$countQuery`""
$existingRows = (& docker compose -f $composeFile exec -T db sh -lc $checkCommand | ForEach-Object { [int]$_ } | Measure-Object -Sum).Sum

if ($existingRows -gt 0 -and -not $ReplaceExisting) {
    throw 'Die versionierten Contao-Tabellen enthalten bereits Daten. Der Import wurde nicht ausgeführt. Nutze -ReplaceExisting nur, wenn du die aktuelle Seitenstruktur bewusst durch den Git-Stand ersetzen möchtest.'
}

$seed = Get-Content -LiteralPath $SeedPath -Raw
if ($ReplaceExisting) {
    $deleteStatements = @(
        'SET FOREIGN_KEY_CHECKS=0;',
        'DELETE FROM tl_content;',
        'DELETE FROM tl_article;',
        'DELETE FROM tl_form_field;',
        'DELETE FROM tl_form;',
        'DELETE FROM tl_module;',
        'DELETE FROM tl_page;',
        'DELETE FROM tl_layout;',
        'DELETE FROM tl_theme;',
        'SET FOREIGN_KEY_CHECKS=1;',
        ''
    ) -join [Environment]::NewLine
    $seed = $deleteStatements + $seed
}

$utf8WithoutBom = New-Object System.Text.UTF8Encoding($false)
[Console]::OutputEncoding = $utf8WithoutBom
$seed | & docker compose -f $composeFile exec -T db sh -lc 'exec mariadb -u"$MARIADB_USER" -p"$MARIADB_PASSWORD" "$MARIADB_DATABASE"'

if ($LASTEXITCODE -ne 0) {
    throw 'Der Contao-Baseline-Import ist fehlgeschlagen.'
}

& docker compose -f $composeFile exec -T app sh -lc 'runuser -u www-data -- vendor/bin/contao-console cache:clear --env=dev'
if ($LASTEXITCODE -ne 0) {
    throw 'Der Import war erfolgreich, aber der Contao-Cache konnte nicht geleert werden.'
}

Write-Host 'Contao-Baseline importiert und Cache geleert.'