name: Build Windows portable

on:
  workflow_dispatch: {}
  push:
    branches: [main]
    paths:
      - "app/**"
      - "crates/**"
      - "Cargo.lock"
      - "scripts/fetch-pdfium.ps1"
      - "scripts/fetch-qpdf.ps1"
      - ".github/workflows/build-windows.yml"

permissions:
  contents: write

jobs:
  build:
    runs-on: windows-latest
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - name: Cache cargo
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
            app/src-tauri/target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Fetch PDFium (Windows x64)
        shell: pwsh
        run: powershell -ExecutionPolicy Bypass -File scripts/fetch-pdfium.ps1

      - name: Fetch QPDF (Windows x64)
        shell: pwsh
        run: powershell -ExecutionPolicy Bypass -File scripts/fetch-qpdf.ps1

      # Máy dev không có Rust — CI là nơi duy nhất chạy test engine.
      # Fail test = fail build, không publish bản hỏng.
      # --test-threads=1: PDFium serialize qua 1 mutex toàn cục; 1 test panic
      # khi đang giữ lock sẽ poison mutex làm mọi test song song chết oan.
      # FOFREEXIT_QPDF_PATH: test chạy với cwd = thư mục crate nên không tự
      # thấy qpdf/ ở root repo (test form/qpdf cần).
      - name: Run engine tests
        run: cargo test -p ff-engine -- --test-threads=1
        env:
          FOFREEXIT_QPDF_PATH: ${{ github.workspace }}\qpdf\bin\qpdf.exe

      - name: Build release
        working-directory: app/src-tauri
        run: cargo build --release

      - name: Assemble portable folder
        shell: pwsh
        run: |
          $dist = "dist/FoFreeXit"
          New-Item -ItemType Directory -Force -Path $dist | Out-Null
          Copy-Item "app/src-tauri/target/release/fofreexit-app.exe" "$dist/FoFreeXit.exe"
          Copy-Item "pdfium.dll" "$dist/pdfium.dll"
          Copy-Item "qpdf/bin/*.exe" "$dist/"
          Copy-Item "qpdf/bin/*.dll" "$dist/"
          Copy-Item "scripts/portable-readme.txt" "$dist/DOC-doc-truoc-khi-chay.txt"
          Compress-Archive -Path "$dist/*" -DestinationPath "FoFreeXit-portable-win64.zip" -Force

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: FoFreeXit-portable-win64
          path: FoFreeXit-portable-win64.zip
          retention-days: 30

      - name: Publish GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: win-build-${{ github.run_number }}
          name: "FoFreeXit Windows portable (build ${{ github.run_number }})"
          body: |
            Ban build Windows portable tu dong (khong can cai Rust/Visual Studio).
            Giai nen `FoFreeXit-portable-win64.zip` roi chay `FoFreeXit.exe`.
            Commit: ${{ github.sha }}
          files: FoFreeXit-portable-win64.zip
          prerelease: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}