param(
  [string]$Remote = "git@gitea.itworx.tech:Jens/ForgeFlow.git",
  [string]$Branch = "main",
  [string]$InstalledSource = "C:\Projects\ForgeFlow"
)

$ErrorActionPreference = "Stop"
$source = $PSScriptRoot
$manifestPath = Join-Path $source "package.json"
if (-not (Test-Path -LiteralPath $manifestPath)) { throw "package.json was not found beside the publishing script." }
$manifest = Get-Content -LiteralPath $manifestPath -Raw | ConvertFrom-Json
if ($manifest.name -ne "forgeflow") { throw "Run this script from an extracted ForgeFlow source release." }
$version = [string]$manifest.version
$temp = Join-Path ([IO.Path]::GetTempPath()) ("forgeflow-publish-" + [guid]::NewGuid().ToString("N"))
$clone = Join-Path $temp "ForgeFlow"
$publishedCommit = $null

try {
  Write-Host "Validating ForgeFlow $version before publishing..." -ForegroundColor Cyan
  Push-Location $source
  try {
    & cmd.exe /d /s /c "npm install --no-audit --no-fund"
    if ($LASTEXITCODE -ne 0) { throw "npm install failed." }
    if (-not (Test-Path -LiteralPath (Join-Path $source "package-lock.json"))) { throw "npm install did not create package-lock.json; publication was stopped to avoid a non-reproducible update." }
    & cmd.exe /d /s /c "npm run check"
    if ($LASTEXITCODE -ne 0) { throw "ForgeFlow quality gate failed." }
  } finally { Pop-Location }

  New-Item -ItemType Directory -Force -Path $temp | Out-Null
  Write-Host "Cloning $Remote..." -ForegroundColor Cyan
  & git clone --branch $Branch --single-branch $Remote $clone
  if ($LASTEXITCODE -ne 0) { throw "Could not clone the ForgeFlow update repository." }

  & robocopy.exe $source $clone /MIR /R:2 /W:1 /NFL /NDL /NJH /NJS /NP /XD .git node_modules dist /XF *.zip *.sha256
  if ($LASTEXITCODE -gt 7) { throw "Robocopy failed with exit code $LASTEXITCODE." }

  Push-Location $clone
  try {
    & git add -A
    if ($LASTEXITCODE -ne 0) { throw "Could not stage the release source." }
    $changes = @(& git status --porcelain)
    if ($changes.Count -gt 0) {
      & git commit -m "Release ForgeFlow $version"
      if ($LASTEXITCODE -ne 0) { throw "Could not create the release commit." }
      & git push origin $Branch
      if ($LASTEXITCODE -ne 0) { throw "Could not push ForgeFlow $version to Gitea." }
    } else {
      Write-Host "Gitea already contains the ForgeFlow $version source; verifying the branch head." -ForegroundColor Yellow
    }

    $localCommit = (& git rev-parse HEAD).Trim()
    if ($LASTEXITCODE -ne 0 -or $localCommit -notmatch '^[0-9a-f]{40}$') { throw "Could not read the local release commit." }
    $remoteLines = @(& git ls-remote origin "refs/heads/$Branch")
    if ($LASTEXITCODE -ne 0 -or $remoteLines.Count -lt 1) { throw "Could not verify the Gitea release branch." }
    $publishedCommit = ($remoteLines[0] -split "`t")[0].Trim()
    if ($publishedCommit -ne $localCommit) { throw "Gitea did not report the exact release commit after publication." }
  } finally { Pop-Location }

  Write-Host "ForgeFlow $version is available on Gitea at commit $($publishedCommit.Substring(0,7))." -ForegroundColor Green

  $installedManifestPath = Join-Path $InstalledSource "package.json"
  if (Test-Path -LiteralPath $installedManifestPath) {
    try {
      $installedManifest = Get-Content -LiteralPath $installedManifestPath -Raw | ConvertFrom-Json
      if ($installedManifest.name -eq "forgeflow" -and [string]$installedManifest.version -ne $version) {
        $bootstrapSource = Join-Path $source "scripts\apply-source-update.ps1"
        $bootstrapTarget = Join-Path $InstalledSource "scripts\apply-source-update.ps1"
        $bootstrapText = Get-Content -LiteralPath $bootstrapSource -Raw
        if ($bootstrapText.TrimStart() -notmatch '^param\(') { throw "The validated updater bootstrap does not start with param(." }
        New-Item -ItemType Directory -Force -Path (Split-Path -Parent $bootstrapTarget) | Out-Null
        Copy-Item -LiteralPath $bootstrapSource -Destination $bootstrapTarget -Force
        $copiedText = Get-Content -LiteralPath $bootstrapTarget -Raw
        if ($copiedText.TrimStart() -notmatch '^param\(') { throw "The updater bootstrap copy failed validation." }
        Write-Host "Prepared the installed ForgeFlow $($installedManifest.version) updater helper without changing its version." -ForegroundColor Green
      }
    } catch {
      throw "Release was published, but the installed updater bootstrap could not be prepared: $($_.Exception.Message)"
    }
  } else {
    Write-Host "Installed source was not found at $InstalledSource; publication itself succeeded." -ForegroundColor Yellow
  }

  Write-Host "Open the installed older ForgeFlow and use Settings -> ForgeFlow updates -> Check now." -ForegroundColor Cyan
}
finally {
  Remove-Item -LiteralPath $temp -Recurse -Force -ErrorAction SilentlyContinue
}