name: Build Tauri Applications

# Multi-OS Tauri desktop bundle build matrix (Windows / macOS arm+intel /
# Linux). Called from build.yml on PRs that touch desktop sources (gated
# via the `tauri` filter in .github/config/.files.yaml). Also runnable
# on demand via workflow_dispatch with a per-platform selector.
on:
  workflow_call:
    inputs:
      platform:
        description: "Platform to build (windows, macos, linux, or all)."
        required: false
        type: string
        default: "all"
  workflow_dispatch:
    inputs:
      platform:
        description: "Platform to build (windows, macos, linux, or all)"
        required: true
        default: "all"
        type: choice
        options:
          - all
          - windows
          - macos
          - linux

permissions:
  contents: read
  pull-requests: write

jobs:
  determine-matrix:
    if: ${{ vars.CI_PROFILE != 'lite' }}
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Harden the runner (Audit all outbound calls)
        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
        with:
          egress-policy: audit

      - name: Determine build matrix
        id: set-matrix
        env:
          APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
          PLATFORM: ${{ inputs.platform }}
        run: |
          WINDOWS='{"platform":"windows-latest","args":"--target x86_64-pc-windows-msvc","name":"windows-x86_64"}'
          MACOS_ARM='{"platform":"macos-15","args":"--target aarch64-apple-darwin","name":"macos-aarch64"}'
          MACOS_INTEL='{"platform":"macos-15-intel","args":"--target x86_64-apple-darwin","name":"macos-x86_64"}'
          LINUX='{"platform":"ubuntu-22.04","args":"","name":"linux-x86_64"}'

          # Resolve requested platform — populated by either workflow_dispatch
          # or workflow_call inputs; both paths default to "all".
          case "$PLATFORM" in
            windows) ENTRIES=("$WINDOWS") ;;
            macos)   ENTRIES=("$MACOS_ARM" "$MACOS_INTEL") ;;
            linux)   ENTRIES=("$LINUX") ;;
            *)       ENTRIES=("$WINDOWS" "$MACOS_ARM" "$MACOS_INTEL" "$LINUX") ;;
          esac

          # Drop macOS entries when Apple certificate secret is unavailable
          if [ -z "$APPLE_CERTIFICATE" ]; then
            echo "⚠️ APPLE_CERTIFICATE secret not available - skipping macOS builds"
            FILTERED=()
            for entry in "${ENTRIES[@]}"; do
              [[ "$entry" != *'"macos'* ]] && FILTERED+=("$entry")
            done
            ENTRIES=("${FILTERED[@]}")
          fi

          JOINED=$(IFS=','; echo "${ENTRIES[*]}")
          echo "matrix={\"include\":[$JOINED]}" >> $GITHUB_OUTPUT

  build:
    needs: determine-matrix
    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.determine-matrix.outputs.matrix) }}
    runs-on: ${{ matrix.platform }}
    env:
      SM_API_KEY: ${{ secrets.SM_API_KEY }}
      WINDOWS_CERTIFICATE: ${{ secrets.WINDOWS_CERTIFICATE }}
      APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
      RELEASE_GPG_PRIVATE_KEY: ${{ secrets.RELEASE_GPG_PRIVATE_KEY }}
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
        with:
          egress-policy: audit

      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - name: Install dependencies (ubuntu only)
        if: matrix.platform == 'ubuntu-22.04'
        run: |
          sudo apt-get update
          sudo apt-get install -y libgtk-3-dev libwebkit2gtk-4.0-dev libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf libjavascriptcoregtk-4.0-dev libsoup2.4-dev libjavascriptcoregtk-4.1-dev libsoup-3.0-dev

      - name: Setup Node.js
        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: 22
          cache: "npm"
          cache-dependency-path: frontend/package-lock.json

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@4be9e76fd7c4901c61fb841f559994984270fce7 # stable
        with:
          toolchain: stable
          targets: ${{ (matrix.platform == 'macos-15' || matrix.platform == 'macos-15-intel') && 'aarch64-apple-darwin,x86_64-apple-darwin' || '' }}

      - name: Set up JDK 25
        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
        with:
          java-version: "25"
          distribution: "temurin"

      - name: Setup Gradle
        uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6.1.0
        with:
          gradle-version: 9.3.1

      - name: Setup Task
        uses: go-task/setup-task@3be4020d41929789a01026e0e427a4321ce0ad44 # v2.0.0
      - name: Prepare desktop build
        run: task desktop:prepare
        env:
          MAVEN_USER: ${{ secrets.MAVEN_USER }}
          MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
          MAVEN_PUBLIC_URL: ${{ secrets.MAVEN_PUBLIC_URL }}
          DISABLE_ADDITIONAL_FEATURES: true

      # DigiCert KeyLocker Setup (Cloud HSM)
      - name: Setup DigiCert KeyLocker
        id: digicert-setup
        if: ${{ matrix.platform == 'windows-latest' && env.SM_API_KEY != '' && github.ref == 'refs/heads/main' }}
        uses: digicert/ssm-code-signing@1d820463733701cf1484c7eb5d7d24a15ca2c454 # v1.2.1
        env:
          SM_API_KEY: ${{ secrets.SM_API_KEY }}
          SM_CLIENT_CERT_FILE_B64: ${{ secrets.SM_CLIENT_CERT_FILE_B64 }}
          SM_CLIENT_CERT_PASSWORD: ${{ secrets.SM_CLIENT_CERT_PASSWORD }}
          SM_KEYPAIR_ALIAS: ${{ secrets.SM_KEYPAIR_ALIAS }}
          SM_HOST: ${{ secrets.SM_HOST }}

      - name: Setup DigiCert KeyLocker Certificate
        if: ${{ matrix.platform == 'windows-latest' && env.SM_API_KEY != '' && github.ref == 'refs/heads/main' }}
        shell: pwsh
        run: |
          Write-Host "Setting up DigiCert KeyLocker environment..."

          # Decode client certificate
          $certBytes = [Convert]::FromBase64String("${{ secrets.SM_CLIENT_CERT_FILE_B64 }}")
          $certPath = "D:\Certificate_pkcs12.p12"
          [IO.File]::WriteAllBytes($certPath, $certBytes)

          # Set environment variables
          echo "SM_CLIENT_CERT_FILE=D:\Certificate_pkcs12.p12" >> $env:GITHUB_ENV
          echo "SM_HOST=${{ secrets.SM_HOST }}" >> $env:GITHUB_ENV
          echo "SM_API_KEY=${{ secrets.SM_API_KEY }}" >> $env:GITHUB_ENV
          echo "SM_CLIENT_CERT_PASSWORD=${{ secrets.SM_CLIENT_CERT_PASSWORD }}" >> $env:GITHUB_ENV
          echo "SM_KEYPAIR_ALIAS=${{ secrets.SM_KEYPAIR_ALIAS }}" >> $env:GITHUB_ENV

          # Get PKCS11 config path from DigiCert action
          $pkcs11Config = $env:PKCS11_CONFIG
          if ($pkcs11Config) {
            Write-Host "Found PKCS11_CONFIG: $pkcs11Config"
            echo "PKCS11_CONFIG=$pkcs11Config" >> $env:GITHUB_ENV
          } else {
            Write-Host "PKCS11_CONFIG not set by DigiCert action, using default path"
            $defaultPath = "C:\Users\RUNNER~1\AppData\Local\Temp\smtools-windows-x64\pkcs11properties.cfg"
            if (Test-Path $defaultPath) {
              Write-Host "Found config at default path: $defaultPath"
              echo "PKCS11_CONFIG=$defaultPath" >> $env:GITHUB_ENV
            } else {
              Write-Host "Warning: Could not find PKCS11 config file"
            }
          }

      # Traditional PFX Certificate Import (fallback if KeyLocker not configured)
      - name: Import Windows Code Signing Certificate
        if: ${{ matrix.platform == 'windows-latest' && env.SM_API_KEY == '' && github.ref == 'refs/heads/main' }}
        env:
          WINDOWS_CERTIFICATE: ${{ secrets.WINDOWS_CERTIFICATE }}
          WINDOWS_CERTIFICATE_PASSWORD: ${{ secrets.WINDOWS_CERTIFICATE_PASSWORD }}
        shell: powershell
        run: |
          if ($env:WINDOWS_CERTIFICATE) {
            Write-Host "Importing Windows Code Signing Certificate..."

            # Decode base64 certificate and save to file
            $certBytes = [Convert]::FromBase64String($env:WINDOWS_CERTIFICATE)
            $certPath = Join-Path $env:RUNNER_TEMP "certificate.pfx"
            [IO.File]::WriteAllBytes($certPath, $certBytes)

            # Import certificate to CurrentUser\My store
            $cert = Import-PfxCertificate -FilePath $certPath -CertStoreLocation Cert:\CurrentUser\My -Password (ConvertTo-SecureString -String $env:WINDOWS_CERTIFICATE_PASSWORD -AsPlainText -Force)

            # Extract and set thumbprint as environment variable
            $thumbprint = $cert.Thumbprint
            Write-Host "Certificate imported with thumbprint: $thumbprint"
            echo "WINDOWS_CERTIFICATE_THUMBPRINT=$thumbprint" >> $env:GITHUB_ENV

            # Clean up certificate file
            Remove-Item $certPath

            Write-Host "Windows certificate import completed."
          } else {
            Write-Host "⚠️ WINDOWS_CERTIFICATE secret not set - building unsigned binary"
          }

      - name: Import Apple Developer Certificate
        if: (matrix.platform == 'macos-15' || matrix.platform == 'macos-15-intel') && env.APPLE_CERTIFICATE != ''
        env:
          APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
          APPLE_CERTIFICATE_PASSWORD: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
        run: |
          echo "Importing Apple Developer Certificate..."
          echo $APPLE_CERTIFICATE | base64 --decode > certificate.p12
          # Create temporary keychain
          KEYCHAIN_PATH=$RUNNER_TEMP/app-signing.keychain-db
          KEYCHAIN_PASSWORD=$(openssl rand -base64 32)
          security create-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
          security set-keychain-settings -lut 21600 $KEYCHAIN_PATH
          security unlock-keychain -p "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
          # Import certificate
          security import certificate.p12 -P "$APPLE_CERTIFICATE_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
          security list-keychain -d user -s $KEYCHAIN_PATH
          security set-key-partition-list -S apple-tool:,apple: -k "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
          # Clean up
          rm certificate.p12

      - name: Verify Certificate
        if: (matrix.platform == 'macos-15' || matrix.platform == 'macos-15-intel') && env.APPLE_CERTIFICATE != ''
        run: |
          echo "Verifying Apple Developer Certificate..."
          KEYCHAIN_PATH=$RUNNER_TEMP/app-signing.keychain-db
          CERT_INFO=$(security find-identity -v -p codesigning $KEYCHAIN_PATH | grep "Developer ID Application")
          echo "Certificate Info: $CERT_INFO"
          CERT_ID=$(echo "$CERT_INFO" | awk -F'"' '{print $2}')
          echo "Certificate ID: $CERT_ID"
          echo "APPLE_SIGNING_IDENTITY=$CERT_ID" >> $GITHUB_ENV
          echo "Certificate imported successfully."

      - name: Check DMG creation dependencies (macOS only)
        if: matrix.platform == 'macos-15' || matrix.platform == 'macos-15-intel'
        run: |
          echo "🔍 Checking DMG creation dependencies on ${{ matrix.platform }}..."
          echo "hdiutil version: $(hdiutil --version || echo 'NOT FOUND')"
          echo "create-dmg availability: $(which create-dmg || echo 'NOT FOUND')"
          echo "Available disk space: $(df -h /tmp | tail -1)"
          echo "macOS version: $(sw_vers -productVersion)"
          echo "Available tools:"
          ls -la /usr/bin/hd* || echo "No hd* tools found"

      - name: Preflight smctl
        if: ${{ matrix.platform == 'windows-latest' && env.SM_API_KEY != '' && github.ref == 'refs/heads/main' }}
        shell: pwsh
        env:
          KEYPAIR_ALIAS: ${{ secrets.SM_KEYPAIR_ALIAS }}
        run: |
          & smctl healthcheck
          if ($LASTEXITCODE -ne 0) { Write-Host "[ERROR] smctl healthcheck failed"; exit 1 }
          & smctl keypair ls
          if ($LASTEXITCODE -ne 0) { Write-Host "[ERROR] smctl keypair ls failed"; exit 1 }
          & smctl windows certsync --keypair-alias "$env:KEYPAIR_ALIAS"
          if ($LASTEXITCODE -ne 0) { Write-Host "[WARN] smctl windows certsync returned non-zero - continuing" }

      - name: Configure Windows code signing
        if: ${{ matrix.platform == 'windows-latest' && env.SM_API_KEY != '' && github.ref == 'refs/heads/main' }}
        shell: bash
        env:
          KEYPAIR_ALIAS: ${{ secrets.SM_KEYPAIR_ALIAS }}
        run: |
          cat > ./frontend/src-tauri/tauri.windows.conf.json <<EOF
          {
            "bundle": {
              "windows": {
                "signCommand": {
                  "cmd": "smctl",
                  "args": ["sign", "--keypair-alias", "${KEYPAIR_ALIAS}", "--input", "%1", "--verbose"]
                }
              }
            }
          }
          EOF

      - name: Import release GPG signing key (Linux)
        if: matrix.platform == 'ubuntu-22.04' && env.RELEASE_GPG_PRIVATE_KEY != '' && github.ref == 'refs/heads/main'
        run: |
          echo "$RELEASE_GPG_PRIVATE_KEY" | gpg --batch --import
          gpg --list-secret-keys --keyid-format=long

      - name: Make libjvm discoverable for linuxdeploy (Linux AppImage)
        if: matrix.platform == 'ubuntu-22.04'
        run: |
          JAVA_LIBJVM="$JAVA_HOME/lib/server/libjvm.so"
          if [ -f "$JAVA_LIBJVM" ]; then
            sudo ln -sf "$JAVA_LIBJVM" /usr/lib/libjvm.so
            echo "Linked libjvm from $JAVA_LIBJVM -> /usr/lib/libjvm.so"
          else
            echo "libjvm not found at $JAVA_LIBJVM"
            exit 1
          fi

      - name: Build Tauri app
        uses: tauri-apps/tauri-action@84b9d35b5fc46c1e45415bdb6144030364f7ebc5 # v0.6.2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
          APPLE_CERTIFICATE_PASSWORD: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
          APPLE_SIGNING_IDENTITY: ${{ env.APPLE_SIGNING_IDENTITY }}
          APPLE_ID: ${{ secrets.APPLE_ID }}
          APPLE_PASSWORD: ${{ secrets.APPLE_ID_PASSWORD }}
          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
          # AppImage signing — three env vars work together:
          #   SIGN=1                        tells linuxdeploy-plugin-appimage to forward --sign to appimagetool
          #   APPIMAGETOOL_SIGN_PASSPHRASE  appimagetool uses this to unlock the GPG key non-interactively
          #   SIGN_KEY                      appimagetool picks the key matching this fingerprint
          # Without SIGN=1, the other two are ignored and the AppImage is built unsigned even if a key is present.
          # Mirror the Windows/macOS gate: only sign when secret is present AND ref is main (skips PRs from forks/Dependabot).
          SIGN: ${{ (env.RELEASE_GPG_PRIVATE_KEY != '' && github.ref == 'refs/heads/main') && '1' || '0' }}
          APPIMAGETOOL_SIGN_PASSPHRASE: ${{ secrets.RELEASE_GPG_PASSPHRASE }}
          SIGN_KEY: ${{ vars.RELEASE_GPG_FINGERPRINT }}
          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
          TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
          VITE_SUPABASE_PUBLISHABLE_DEFAULT_KEY: ${{ secrets.VITE_SUPABASE_PUBLISHABLE_DEFAULT_KEY || 'sb_publishable_UHz2SVRF5mvdrPHWkRteyA_yNlZTkYb' }}
          VITE_SAAS_SERVER_URL: ${{ secrets.VITE_SAAS_SERVER_URL || 'https://app.stirlingpdf.com' }}
          VITE_SAAS_BACKEND_API_URL: ${{ secrets.VITE_SAAS_BACKEND_API_URL || 'https://api.stirlingpdf.com' }}
          SM_CODE_SIGNING_CERT_SHA1_HASH: ${{ secrets.SM_CODE_SIGNING_CERT_SHA1_HASH }}
          CI: true
        with:
          projectPath: ./frontend
          tauriScript: npx tauri
          # Linux: build deb+rpm only here. AppImage runs in its own
          # continue-on-error step below so its persistent linuxdeploy
          # failure (#6127 onwards) does not tank deb/rpm uploads.
          args: ${{ matrix.platform == 'ubuntu-22.04' && '--bundles deb,rpm' || matrix.args }}

      # AppImage is decoupled so its linuxdeploy run gets a fresh process
      # (rpm scratch state torn down) and its failure can't tank deb/rpm.
      - name: Build Tauri app (Linux AppImage)
        if: matrix.platform == 'ubuntu-22.04'
        continue-on-error: true
        uses: tauri-apps/tauri-action@84b9d35b5fc46c1e45415bdb6144030364f7ebc5 # v0.6.2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SIGN: ${{ (env.RELEASE_GPG_PRIVATE_KEY != '' && github.ref == 'refs/heads/main') && '1' || '0' }}
          APPIMAGETOOL_SIGN_PASSPHRASE: ${{ secrets.RELEASE_GPG_PASSPHRASE }}
          SIGN_KEY: ${{ vars.RELEASE_GPG_FINGERPRINT }}
          TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
          TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
          VITE_SUPABASE_PUBLISHABLE_DEFAULT_KEY: ${{ secrets.VITE_SUPABASE_PUBLISHABLE_DEFAULT_KEY || 'sb_publishable_UHz2SVRF5mvdrPHWkRteyA_yNlZTkYb' }} # gitleaks:allow
          VITE_SAAS_SERVER_URL: ${{ secrets.VITE_SAAS_SERVER_URL || 'https://app.stirlingpdf.com' }}
          VITE_SAAS_BACKEND_API_URL: ${{ secrets.VITE_SAAS_BACKEND_API_URL || 'https://api.stirlingpdf.com' }}
          CI: true
        with:
          projectPath: ./frontend
          tauriScript: npx tauri
          args: --bundles appimage

      - name: Clear release GPG key from runner keyring (Linux)
        if: always() && matrix.platform == 'ubuntu-22.04' && env.RELEASE_GPG_PRIVATE_KEY != '' && github.ref == 'refs/heads/main'
        env:
          RELEASE_GPG_FINGERPRINT: ${{ vars.RELEASE_GPG_FINGERPRINT }}
        run: |
          if [ -n "$RELEASE_GPG_FINGERPRINT" ]; then
            gpg --batch --yes --delete-secret-keys "$RELEASE_GPG_FINGERPRINT" || true
            gpg --batch --yes --delete-keys "$RELEASE_GPG_FINGERPRINT" || true
          fi

      - name: Verify notarization (macOS only)
        if: matrix.platform == 'macos-15' || matrix.platform == 'macos-15-intel'
        run: |
          echo "🔍 Verifying notarization status..."
          cd ./frontend/src-tauri/target
          DMG_FILE=$(find . -name "*.dmg" | head -1)
          if [ -n "$DMG_FILE" ]; then
            echo "Found DMG: $DMG_FILE"
            echo "Checking notarization ticket..."
            spctl -a -vvv -t install "$DMG_FILE" || echo "⚠️ Notarization check failed or not yet complete"
            stapler validate "$DMG_FILE" || echo "⚠️ No notarization ticket attached"
          else
            echo "⚠️ No DMG file found to verify"
          fi

      - name: Rename artifacts
        shell: bash
        run: |
          mkdir -p ./dist
          cd ./frontend/src-tauri/target

          # Find and rename artifacts based on platform
          if [ "${{ matrix.platform }}" = "windows-latest" ]; then
            # Only ship the MSI installer. The loose exe and WiX toolset exes
            # are not the user-facing installer - the MSI contains the signed inner exe.
            find . -name "*.msi" -exec cp {} "../../../dist/Stirling-PDF-${{ matrix.name }}.msi" \;
          elif [ "${{ matrix.platform }}" = "macos-15" ] || [ "${{ matrix.platform }}" = "macos-15-intel" ]; then
            find . -name "*.dmg" -exec cp {} "../../../dist/Stirling-PDF-${{ matrix.name }}.dmg" \;
          else
            find . -name "*.deb" -exec cp {} "../../../dist/Stirling-PDF-${{ matrix.name }}.deb" \;
            find . -name "*.rpm" -exec cp {} "../../../dist/Stirling-PDF-${{ matrix.name }}.rpm" \;
            find . -name "*.AppImage" -exec cp {} "../../../dist/Stirling-PDF-${{ matrix.name }}.AppImage" \;
          fi

      # Verify the MSI AND the inner exe extracted from it are signed.
      # The inner exe is what gets installed on users' machines and what AV scans.
      - name: Verify Windows Code Signature
        if: matrix.platform == 'windows-latest' && env.SM_API_KEY != '' && github.ref == 'refs/heads/main'
        shell: pwsh
        run: |
          $allSigned = $true
          $msiPath = "./dist/Stirling-PDF-${{ matrix.name }}.msi"

          # Check MSI (outer wrapper)
          if (Test-Path $msiPath) {
            $sig = Get-AuthenticodeSignature -FilePath $msiPath
            Write-Host "MSI: Status=$($sig.Status), Signer=$($sig.SignerCertificate.Subject)"
            if ($sig.Status -ne "Valid") {
              Write-Host "[ERROR] MSI is not signed"
              $allSigned = $false
            }

            # Extract MSI and verify inner exe
            $extractDir = Join-Path $env:RUNNER_TEMP "msi-verify"
            if (Test-Path $extractDir) { Remove-Item $extractDir -Recurse -Force }
            $proc = Start-Process msiexec.exe -ArgumentList '/a', $msiPath, '/qn', "TARGETDIR=$extractDir" -Wait -PassThru -NoNewWindow
            if ($proc.ExitCode -eq 0) {
              $innerExe = Get-ChildItem -Path $extractDir -Filter "stirling-pdf.exe" -Recurse -File | Select-Object -First 1
              if ($innerExe) {
                $sig = Get-AuthenticodeSignature -FilePath $innerExe.FullName
                Write-Host "Inner EXE: Status=$($sig.Status), Signer=$($sig.SignerCertificate.Subject)"
                if ($sig.Status -ne "Valid") {
                  Write-Host "[ERROR] Inner exe is NOT signed - AV will flag this at runtime"
                  $allSigned = $false
                }
              } else {
                Write-Host "[ERROR] Could not find stirling-pdf.exe inside MSI"
                $allSigned = $false
              }
            } else {
              Write-Host "[ERROR] MSI extraction failed (exit code: $($proc.ExitCode))"
              $allSigned = $false
            }
          } else {
            Write-Host "[ERROR] MSI not found at $msiPath"
            $allSigned = $false
          }

          if (-not $allSigned) {
            Write-Host "[ERROR] Signature verification failed"
            exit 1
          }
          Write-Host "[SUCCESS] MSI and inner exe are properly signed"

      - name: Dump smctl logs on failure
        if: ${{ failure() && matrix.platform == 'windows-latest' && env.SM_API_KEY != '' }}
        shell: pwsh
        run: |
          $logDir = "$env:USERPROFILE\.signingmanager\logs"
          if (Test-Path $logDir) {
            Get-ChildItem $logDir | ForEach-Object {
              Write-Host "=== $($_.FullName) ==="
              Get-Content $_.FullName -Tail 200
              Write-Host ""
            }
          } else {
            Write-Host "smctl log directory not found at $logDir"
          }

      - name: Upload artifacts
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: Stirling-PDF-${{ matrix.name }}
          path: ./dist/*
          retention-days: 7

      - name: Verify build artifacts
        shell: bash
        run: |
          cd ./frontend/src-tauri/target

          # Check for expected artifacts based on platform
          if [ "${{ matrix.platform }}" = "windows-latest" ]; then
            echo "Checking for Windows artifacts..."
            find . -name "*.exe" -o -name "*.msi" | head -5
            if [ $(find . -name "*.exe" | wc -l) -eq 0 ]; then
              echo "❌ No Windows executable found"
              exit 1
            fi
          elif [ "${{ matrix.platform }}" = "macos-15" ] || [ "${{ matrix.platform }}" = "macos-15-intel" ]; then
            echo "Checking for macOS artifacts..."
            find . -name "*.dmg" | head -5
            if [ $(find . -name "*.dmg" | wc -l) -eq 0 ]; then
              echo "❌ No macOS artifacts found"
              exit 1
            fi
          else
            echo "Checking for Linux artifacts..."
            find . -name "*.deb" -o -name "*.rpm" -o -name "*.AppImage" | head -5
            if [ $(find . -name "*.deb" -o -name "*.rpm" -o -name "*.AppImage" | wc -l) -eq 0 ]; then
              echo "❌ No Linux artifacts found"
              exit 1
            fi
          fi

          echo "✅ Build artifacts found for ${{ matrix.name }}"

      - name: Test artifact sizes
        shell: bash
        run: |
          cd ./frontend/src-tauri/target
          echo "Artifact sizes for ${{ matrix.name }}:"
          find . -name "*.exe" -o -name "*.dmg" -o -name "*.deb" -o -name "*.rpm" -o -name "*.AppImage" -o -name "*.msi" | while read file; do
            if [ -f "$file" ]; then
              size=$(stat -c%s "$file" 2>/dev/null || stat -f%z "$file" 2>/dev/null || echo "unknown")
              echo "$file: $size bytes"
              # Check if file is suspiciously small (less than 1MB)
              if [ "$size" != "unknown" ] && [ "$size" -lt 1048576 ]; then
                echo "⚠️  Warning: $file is smaller than 1MB"
              fi
            fi
          done

  pr-comment:
    needs: build
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request' && needs.build.result == 'success'
    permissions:
      pull-requests: write
    steps:
      - name: Harden the runner
        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
        with:
          egress-policy: audit

      - name: Post/Update PR Comment with Download Links
        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
        with:
          script: |
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const prNumber = context.issue.number;
            const runId = context.runId;

            // Fetch artifacts for this workflow run
            const { data: artifactsList } = await github.rest.actions.listWorkflowRunArtifacts({
              owner,
              repo,
              run_id: runId
            });

            // Map of expected artifact names to display info
            const artifactMap = {
              'Stirling-PDF-windows-x86_64': { icon: '🪟', platform: 'Windows x64', files: '.exe, .msi' },
              'Stirling-PDF-macos-aarch64': { icon: '🍎', platform: 'macOS ARM64', files: '.dmg' },
              'Stirling-PDF-macos-x86_64': { icon: '🍎', platform: 'macOS Intel', files: '.dmg' },
              'Stirling-PDF-linux-x86_64': { icon: '🐧', platform: 'Linux x64', files: '.deb, .rpm, .AppImage' }
            };

            let commentBody = `## 📦 Tauri Desktop Builds Ready!\n\n`;
            commentBody += `The desktop applications have been built and are ready for testing.\n\n`;
            commentBody += `### Download Artifacts:\n\n`;

            // Add links for each found artifact
            let foundArtifacts = 0;
            for (const artifact of artifactsList.artifacts) {
              const info = artifactMap[artifact.name];
              if (info) {
                foundArtifacts++;
                // GitHub doesn't provide direct download URLs via API, but we can link to the artifact on the Actions page
                const artifactUrl = `https://github.com/${owner}/${repo}/actions/runs/${runId}/artifacts/${artifact.id}`;
                commentBody += `${info.icon} **${info.platform}**: [Download ${artifact.name}](${artifactUrl}) `;
                commentBody += `(${info.files}) - ${(artifact.size_in_bytes / 1024 / 1024).toFixed(1)} MB\n`;
              }
            }

            if (foundArtifacts === 0) {
              commentBody += `⚠️ **Warning**: No artifacts found in workflow run.\n`;
              commentBody += `[View workflow run](https://github.com/${owner}/${repo}/actions/runs/${runId})\n`;
            }

            commentBody += `\n---\n`;
            commentBody += `_Built from commit ${context.sha.substring(0, 7)}_\n`;
            commentBody += `_Artifacts expire in 7 days_`;

            // Find existing comment
            const { data: comments } = await github.rest.issues.listComments({
              owner,
              repo,
              issue_number: prNumber
            });

            const botComment = comments.find(comment =>
              comment.user.type === 'Bot' &&
              comment.body.includes('📦 Tauri Desktop Builds Ready!')
            );

            if (botComment) {
              // Update existing comment
              await github.rest.issues.updateComment({
                owner,
                repo,
                comment_id: botComment.id,
                body: commentBody
              });
              console.log('Updated existing comment');
            } else {
              // Create new comment
              await github.rest.issues.createComment({
                owner,
                repo,
                issue_number: prNumber,
                body: commentBody
              });
              console.log('Created new comment');
            }

  report:
    needs: build
    runs-on: ubuntu-latest
    if: always()
    steps:
      - name: Harden the runner (Audit all outbound calls)
        uses: step-security/harden-runner@8d3c67de8e2fe68ef647c8db1e6a09f647780f40 # v2.19.0
        with:
          egress-policy: audit

      - name: Report build results
        run: |
          if [ "${{ needs.build.result }}" = "success" ]; then
            echo "✅ All Tauri builds completed successfully!"
            echo "Artifacts are ready for distribution."
          elif [ "${{ needs.build.result }}" = "skipped" ]; then
            echo "⏭️  Tauri builds skipped (CI lite mode enabled)"
          else
            echo "❌ Some Tauri builds failed."
            echo "Please check the logs and fix any issues."
            exit 1
          fi