name: SAP-ERP Portal CI/CD

on:
  push:
    branches:
      - main

jobs:
  build:
    runs-on: windows-latest

    steps:
      - name: Checkout source code
        uses: actions/checkout@v4

      - name: Check Node.js
        shell: powershell
        run: node --version

      - name: Check npm
        shell: powershell
        run: npm --version

      - name: Install dependencies
        shell: powershell
        run: npm ci

      - name: Check application syntax
        shell: powershell
        run: node --check server.js

      - name: Bundle backend (esbuild)
        shell: powershell
        run: |
          if (Test-Path dist) { Remove-Item dist -Recurse -Force }
          New-Item -ItemType Directory -Path dist | Out-Null
          npx esbuild server.js --bundle --platform=node --target=node18 --minify --outfile=dist\server.js --log-level=warning
          if ($LASTEXITCODE -ne 0) { throw "esbuild failed" }

      - name: Copy frontend + runtime assets
        shell: powershell
        run: |
          Copy-Item -Path public -Destination dist\public -Recurse -Force
          if (Test-Path logo.png) { Copy-Item logo.png dist\ -Force }

          New-Item -ItemType Directory -Path dist\data -Force | Out-Null
          Copy-Item node_modules\@foliojs-fork\fontkit\data.trie dist\ -Force
          Copy-Item node_modules\@foliojs-fork\fontkit\indic.trie dist\ -Force
          Copy-Item node_modules\@foliojs-fork\fontkit\use.trie dist\ -Force
          Copy-Item node_modules\@foliojs-fork\linebreak\src\classes.trie dist\ -Force
          Copy-Item node_modules\@foliojs-fork\pdfkit\js\data\*.afm dist\data\ -Force
          Copy-Item node_modules\@foliojs-fork\pdfkit\js\data\sRGB_IEC61966_2_1.icc dist\data\ -Force

          Copy-Item deploy dist\deploy -Recurse -Force
          Remove-Item dist\deploy\build-dist.bat -Force -ErrorAction SilentlyContinue

          if (Test-Path services\sap-di-pr.ps1) { Copy-Item services\sap-di-pr.ps1 dist\ -Force }

          $diExe = "services\SapDiConsole\bin\Release\net472\SapDiConsole.exe"
          if (Test-Path $diExe) {
              New-Item -ItemType Directory -Path dist\SapDiConsole\bin\Release\net472 -Force | Out-Null
              Copy-Item services\SapDiConsole\bin\Release\net472\* dist\SapDiConsole\bin\Release\net472\ -Recurse -Force
          } else {
              Write-Warning "SapDiConsole.exe not found - Purchase Requests will not work until it is built and committed separately."
          }

          New-Item -ItemType Directory -Path dist\uploads -Force | Out-Null
          New-Item -ItemType Directory -Path dist\logs -Force | Out-Null

      - name: Stop running portal
        shell: powershell
        run: |
          schtasks /End /TN "SAP-ERP-Portal" 2>$null
          Get-CimInstance Win32_Process |
            Where-Object { $_.Name -eq 'node.exe' -and $_.CommandLine -match 'server\.js' } |
            ForEach-Object {
              Stop-Process -Id $_.ProcessId -Force
              Write-Host "Stopped node PID $($_.ProcessId)"
            }

      - name: Deploy to production folder
        shell: powershell
        run: |
          $deployPath = "D:\apps\sap-erp"

          if (!(Test-Path $deployPath)) {
              New-Item -ItemType Directory -Path $deployPath -Force | Out-Null
          }

          # Copy the fresh build over the live folder, but never touch
          # .env, uploads\ or logs\ - those belong to the running instance.
          robocopy dist\ $deployPath /E /XD "$deployPath\uploads" "$deployPath\logs" /XF ".env" /NFL /NDL /NJH /NJS
          if ($LASTEXITCODE -ge 8) { throw "robocopy failed with exit code $LASTEXITCODE" }

          Write-Host "Deployment completed successfully."

      - name: Start portal
        shell: powershell
        run: |
          $started = $false
          try {
              schtasks /Run /TN "SAP-ERP-Portal" 2>$null
              if ($LASTEXITCODE -eq 0) { $started = $true }
          } catch {}

          if (-not $started) {
              Write-Warning "Scheduled task 'SAP-ERP-Portal' not found - starting supervisor directly."
              Start-Process -FilePath "D:\apps\sap-erp\deploy\start-server.bat" -WorkingDirectory "D:\apps\sap-erp\deploy"
          }

          Write-Host "Portal restart triggered."