$ErrorActionPreference = "Stop"
$script:HomerAutoRun = $true
$script:HomerEmbeddedArgs = @('--api-url','https://app.homer.tech/v1/check','--bundle-url','https://app.homer.tech/client-bundle.zip?v=20260909-completion-certainty','--all')

function Install-Homer {
  param(
    [Parameter(ValueFromRemainingArguments = $true)]
    [string[]]$InstallerArgs
  )

  $options = @{
    ApiUrl = 'https://app.homer.tech/v1/check'
    BundleUrl = 'https://app.homer.tech/client-bundle.zip?v=20260909-completion-certainty'
    Version = '20260909-completion-certainty'
    Token = ""
    ApiKey = ""
    All = $false
    Cursor = $false
    ClaudeCode = $false
    Codex = $false
    DryRun = $false
    Update = $false
    ActivationAttemptId = ""
    DemoChallengeId = ""
  }

  for ($i = 0; $i -lt $InstallerArgs.Count; $i++) {
    $arg = $InstallerArgs[$i]
    switch -Regex ($arg) {
      '^--?all$' { $options.All = $true; continue }
      '^--?cursor$' { $options.Cursor = $true; continue }
      '^--?claude-code$' { $options.ClaudeCode = $true; continue }
      '^--?codex$' { $options.Codex = $true; continue }
      '^--?dry-run$' { $options.DryRun = $true; continue }
      '^--?api-url$' { $i++; $options.ApiUrl = $InstallerArgs[$i]; continue }
      '^--?bundle-url$' { $i++; $options.BundleUrl = $InstallerArgs[$i]; continue }
      '^--?token$' { $i++; $options.Token = $InstallerArgs[$i]; continue }
      '^--?api-key$' { $i++; $options.ApiKey = $InstallerArgs[$i]; continue }
      '^--?activation-attempt-id$' { $i++; $options.ActivationAttemptId = $InstallerArgs[$i]; continue }
      '^--?demo-challenge-id$' { $i++; $options.DemoChallengeId = $InstallerArgs[$i]; continue }
      '^--?update$' { $options.Update = $true; continue }
      default { throw "Unknown Homer installer option: $arg" }
    }
  }

  if (-not $options.Update -and -not ($options.All -or $options.Cursor -or $options.ClaudeCode -or $options.Codex)) {
    $options.All = $true
  }

  if (-not $options.Update -and -not $options.ApiKey -and -not $options.Token) {
    throw "Homer needs an install token or API key. Reopen the setup page and copy the command again."
  }

  $python = Get-Command python -ErrorAction SilentlyContinue
  if (-not $python) {
    $python = Get-Command py -ErrorAction SilentlyContinue
  }
  if (-not $python) {
    throw "Python 3 is required for this Homer beta installer. Install Python 3, restart this terminal, then run the Homer command again."
  }
  & $python.Source -c "import sys; raise SystemExit(0 if sys.version_info >= (3, 8) else 1)"
  if ($LASTEXITCODE -ne 0) {
    throw "Homer requires Python 3.8 or newer. Install a current Python 3 release, then run the Homer command again."
  }

  $target = Join-Path $HOME ".homer\client\$($options.Version)"
  if ($options.DryRun) {
    Write-Host "Homer client path: $target"
    Write-Host "Dry run only. Homer would download $($options.BundleUrl) and configure selected apps."
    return
  }

  New-Item -ItemType Directory -Force -Path $target | Out-Null
  $zipPath = Join-Path ([System.IO.Path]::GetTempPath()) "homer-client-$($options.Version).zip"
  Invoke-WebRequest -Uri $options.BundleUrl -OutFile $zipPath -UseBasicParsing
  Expand-Archive -Path $zipPath -DestinationPath $target -Force

  $helper = Join-Path $target "homer_install.py"
  $helperArgs = @("--api-url", $options.ApiUrl)
  if ($options.ApiKey) { $helperArgs += @("--api-key", $options.ApiKey) }
  if ($options.Token) { $helperArgs += @("--token", $options.Token) }
  if ($options.ActivationAttemptId) { $helperArgs += @("--activation-attempt-id", $options.ActivationAttemptId) }
  if ($options.DemoChallengeId) { $helperArgs += @("--demo-challenge-id", $options.DemoChallengeId) }
  if ($options.Update) { $helperArgs += "--update" }
  if ($options.All) { $helperArgs += "--all" }
  if ($options.Cursor) { $helperArgs += "--cursor" }
  if ($options.ClaudeCode) { $helperArgs += "--claude-code" }
  if ($options.Codex) { $helperArgs += "--codex" }
  & $python.Source $helper @helperArgs
  if ($LASTEXITCODE -ne 0) {
    throw "Homer installer failed."
  }
}

if ($script:HomerAutoRun) {
  $embedded = $script:HomerEmbeddedArgs
  Install-Homer @embedded
} else {
  Write-Host "Homer installer loaded. Run: Install-Homer --all --token <your-install-token>"
}