$ErrorActionPreference = 'Stop'

Write-Host '[AZA] Ensuring Docker Desktop engine is running...'

# Start Docker Desktop service if present
$svc = Get-Service -Name 'com.docker.service' -ErrorAction SilentlyContinue
if ($svc) {
  if ($svc.Status -ne 'Running') {
    Write-Host '[AZA] Starting com.docker.service...'
    Start-Service 'com.docker.service' -ErrorAction SilentlyContinue | Out-Null
  }
}

# Launch Docker Desktop UI (safe if already running)
$dd = Join-Path $Env:ProgramFiles 'Docker\Docker\Docker Desktop.exe'
if (Test-Path $dd) {
  Start-Process $dd -ErrorAction SilentlyContinue | Out-Null
}

# Quick check (no loops to avoid PS quoting issues)
Start-Sleep -Seconds 3
$out = & docker version 2>&1
if ($LASTEXITCODE -ne 0) {
  Write-Host $out
  throw 'Docker daemon not reachable. Open Docker Desktop and ensure it is running (Linux containers).'
}

# Must have Server section
if (($out | Out-String) -notmatch 'Server:') {
  Write-Host $out
  throw 'Docker CLI reachable but Server section missing. Docker engine is not ready.'
}

Write-Host '[AZA] OK: Docker engine reachable.'