$projectRoot = $PSScriptRoot
$azaVersionPy = Join-Path $projectRoot "aza_version.py"
$manifestPath = Join-Path $projectRoot "release\version.json"
$releaseBaseUrl = $env:AZA_RELEASE_BASE_URL
$installerPath = Join-Path $projectRoot "dist\installer\aza_desktop_setup.exe"

if (-not (Test-Path $azaVersionPy)) {
    Write-Error "aza_version.py nicht gefunden: $azaVersionPy"
    exit 1
}

Write-Host "Erzeuge release/version.json aus aza_version.py..."

$versionContent = Get-Content $azaVersionPy -Raw
if ($versionContent -match 'APP_VERSION\s*=\s*"([^"]+)"') {
    $appVersion = $matches[1].Trim()
} else {
    Write-Error "APP_VERSION nicht in aza_version.py gefunden."
    exit 1
}
if ($versionContent -match 'APP_CHANNEL\s*=\s*"([^"]+)"') {
    $appChannel = $matches[1].Trim()
} else {
    Write-Error "APP_CHANNEL nicht in aza_version.py gefunden."
    exit 1
}

$manifest = @{}
if (Test-Path $manifestPath) {
    $manifest = Get-Content $manifestPath -Raw | ConvertFrom-Json
}

$releaseDate = if ($manifest.release_date) { $manifest.release_date } else { (Get-Date).ToString("yyyy-MM-dd") }
$minVersion = if ($manifest.minimum_supported_version) { $manifest.minimum_supported_version } else { $appVersion }
$minRequired = if ($manifest.min_required_version) { $manifest.min_required_version } else { $minVersion }
$downloadUrl = if ($releaseBaseUrl) {
    "$releaseBaseUrl/aza_desktop_setup.exe"
} elseif ($manifest.download_url) {
    $manifest.download_url
} else {
    "https://api.aza-medwork.ch/downloads/aza_desktop_setup.exe"
}
$installerType = if ($manifest.installer_type) { $manifest.installer_type } else { "inno-setup" }
$notesExisting = @()
if ($manifest.notes -and $manifest.notes.Length -gt 0) {
    $notesExisting = @($manifest.notes)
} elseif ($manifest.release_notes -and $manifest.release_notes.Length -gt 0) {
    $notesExisting = @($manifest.release_notes)
}
$notesList = if ($notesExisting.Count -gt 0) { $notesExisting } else { @("Desktop-Build aktualisiert") }
$updateLevel = if ($manifest.update_level) { $manifest.update_level.ToString().ToLowerInvariant() } else { "recommended" }
if ($updateLevel -ne "optional" -and $updateLevel -ne "recommended" -and $updateLevel -ne "required") {
    $updateLevel = "recommended"
}

$buildStamp = (Get-Date).ToString("yyyyMMdd_HHmmss")
$sha256Hex = $null
if (Test-Path $installerPath) {
    $buildStamp = (Get-Item $installerPath).LastWriteTime.ToString("yyyyMMdd_HHmmss")
    $sha256Hex = (Get-FileHash -Path $installerPath -Algorithm SHA256).Hash
} elseif ($manifest.build) {
    $buildStamp = $manifest.build.ToString()
}
if (-not $sha256Hex -and $manifest.sha256) {
    $sha256Hex = $manifest.sha256.ToString()
}

$newManifest = [ordered]@{
    version                     = $appVersion
    build                       = $buildStamp
    channel                     = $appChannel
    release_date                = $releaseDate
    minimum_supported_version   = $minVersion
    min_required_version        = $minRequired
    download_url                = $downloadUrl
    sha256                      = $sha256Hex
    update_level                = $updateLevel
    installer_type              = $installerType
    notes                       = $notesList
    release_notes               = $notesList
}

$newManifest | ConvertTo-Json -Depth 6 | Set-Content $manifestPath -Encoding UTF8

if (-not $appVersion) {
    Write-Error "release/version.json konnte nicht erzeugt werden."
    exit 1
}

Write-Host "release/version.json aktualisiert."
Write-Host "Version: $appVersion  Build: $buildStamp"
if ($sha256Hex) {
    Write-Host "SHA256: $sha256Hex"
}
if ($releaseBaseUrl) {
    Write-Host "Download-URL Base: $releaseBaseUrl"
}