param(
  [string[]]$Versions = @(),
  [string]$SentryDsnFile = '',
  [string]$OutputDir = (Join-Path $PSScriptRoot '..\out-fast-builds')
)

$ErrorActionPreference = 'Stop'

function Resolve-SentryDsn {
  if ($env:SENTRY_DSN) {
    Write-Host 'Using SENTRY_DSN from the current environment.'
    return $env:SENTRY_DSN.Trim()
  }

  if ($SentryDsnFile) {
    if (-not (Test-Path -LiteralPath $SentryDsnFile)) {
      throw "SENTRY_DSN file not found: $SentryDsnFile"
    }
    Write-Host "Using SENTRY_DSN from file: $SentryDsnFile"
    return (Get-Content -LiteralPath $SentryDsnFile -Raw).Trim()
  }

  Write-Warning 'SENTRY_DSN is not set. Building without installer/app Sentry reporting.'
  return ''
}

function Get-PackageVersion([string]$RepoRoot) {
  $packageJsonPath = Join-Path $RepoRoot 'package.json'
  $packageJson = Get-Content -LiteralPath $packageJsonPath -Raw | ConvertFrom-Json
  if (-not $packageJson.version) {
    throw "package.json is missing version: $packageJsonPath"
  }
  return [string]$packageJson.version
}

$repoRoot = (Resolve-Path -LiteralPath (Join-Path $PSScriptRoot '..')).Path
$env:SENTRY_DSN = Resolve-SentryDsn
$env:ELECTRON_BUILDER_COMPRESSION_LEVEL = '1'
New-Item -ItemType Directory -Force -Path $OutputDir | Out-Null
$buildVersions = @($Versions | ForEach-Object { $_ -split ',' } | ForEach-Object { $_.Trim() } | Where-Object { $_ })
if ($buildVersions.Count -eq 0) {
  $buildVersions = @(Get-PackageVersion $repoRoot)
}

foreach ($version in $buildVersions) {
  Write-Host "=== build $version start: $(Get-Date -Format o) ==="
  $env:AIONUI_DEBUG_AUTO_UPDATE_CURRENT_VERSION = $version

  Push-Location $repoRoot
  try {
    bun run build-win:x64:fast
    if ($LASTEXITCODE -ne 0) {
      throw "build $version failed with exit code $LASTEXITCODE"
    }

    $source = Join-Path $repoRoot "out\AionUi-$version-win-x64.exe"
    $target = Join-Path $OutputDir "AionUi-$version-win-x64.exe"
    if (-not (Test-Path -LiteralPath $source)) {
      throw "Expected artifact was not produced: $source"
    }

    Copy-Item -LiteralPath $source -Destination $target -Force
    $item = Get-Item -LiteralPath $target
    $hash = (Get-FileHash -LiteralPath $target -Algorithm SHA512).Hash
    Write-Host "=== build $version done: $(Get-Date -Format o) size=$($item.Length) sha512=$hash ==="
  } finally {
    Pop-Location
  }
}