paper-age 1.5.0

name: Rust

on:
  push:
    branches: ["main", "next"]
  pull_request:
    branches: ["main", "next"]

permissions:
  checks: write
  contents: read
  pull-requests: write

env:
  CARGO_TERM_COLOR: always

jobs:
  clippy:
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v6
      - name: Set up Rust
        run: |
          rustup toolchain install stable --component clippy --profile minimal --no-self-update
          rustup default stable
      - name: Configure cache
        uses: Swatinem/rust-cache@v2
      - uses: giraffate/clippy-action@v1
        with:
          reporter: github-pr-review
          github_token: ${{ secrets.GITHUB_TOKEN }}
        continue-on-error: true

  test:
    strategy:
      matrix:
        os: ["ubuntu-latest", "macos-14", "windows-latest"]

    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v6
      - name: Create local bin directory
        if: startsWith(matrix.os, 'ubuntu')
        run: mkdir -p "${HOME}/.local/bin"
      - name: Download grcov
        if: startsWith(matrix.os, 'ubuntu')
        uses: robinraju/release-downloader@v1.12
        with:
          repository: "mozilla/grcov"
          latest: true
          fileName: grcov-x86_64-unknown-linux-gnu.tar.bz2
          out-file-path: tmp
      - name: Install grcov
        if: startsWith(matrix.os, 'ubuntu')
        run: |
          tar -xvf tmp/grcov-x86_64-unknown-linux-gnu.tar.bz2
          mv grcov "${HOME}/.local/bin"
          chmod +x "${HOME}/.local/bin/grcov"
      - name: Set up Rust
        run: |
          rustup toolchain install stable --component llvm-tools --profile minimal --no-self-update
          rustup default stable
      - name: Configure cache
        uses: Swatinem/rust-cache@v2
      - name: Run tests
        run: cargo test --verbose
        env:
          CARGO_INCREMENTAL: ${{ startsWith(matrix.os, 'ubuntu') && '0' || '1' }}
          RUSTFLAGS: ${{ startsWith(matrix.os, 'ubuntu') && '-Cinstrument-coverage' || '' }}
          LLVM_PROFILE_FILE: ${{ startsWith(matrix.os, 'ubuntu') && 'cargo-test-%p-%m.profraw' || '' }}
      - name: Process code coverage with grcov
        if: startsWith(matrix.os, 'ubuntu')
        run: grcov . --binary-path ./target/debug/deps/ -s . -t cobertura --branch --ignore-not-existing --ignore '../*' --ignore "/*" -o target/cobertura.xml
      - name: Upload coverage reports to Codecov
        if: startsWith(matrix.os, 'ubuntu')
        uses: codecov/codecov-action@v5
        with:
          files: target/cobertura.xml

  build-binary:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v6
      - name: Set up Rust
        run: |
          rustup toolchain install stable --profile minimal --no-self-update
          rustup default stable
      - name: Configure cache
        uses: Swatinem/rust-cache@v2
      - name: Compile binary
        run: cargo build --release
      - name: Store binary artifact
        uses: actions/upload-artifact@v6
        with:
          name: paper-age-binary
          path: target/release/paper-age

  visual-snapshots:
    runs-on: ubuntu-latest

    needs: [build-binary]

    env:
      PAPERAGE_PASSPHRASE: supersecret

    steps:
      - uses: actions/checkout@v6
      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: "3.2"
      - name: Install latest PaperAge release
        uses: robinraju/release-downloader@v1.12
        with:
          repository: "matiaskorhonen/paper-age"
          latest: true
          extract: true
          fileName: paper-age-x86_64-unknown-linux-gnu.tar.gz
          out-file-path: tmp
      - name: Move the release binary to bin
        run: mv tmp/paper-age bin/paper-age-release
      - name: Install pdfium-cli
        uses: robinraju/release-downloader@v1.12
        with:
          repository: "klippa-app/pdfium-cli"
          tag: "v0.1.1"
          fileName: pdfium-linux-x64
          out-file-path: bin
      - name: Make PDFium executable
        run: chmod u+x bin/pdfium-linux-x64
      - name: Download PaperAge binary for this branch
        uses: actions/download-artifact@v7
        with:
          name: paper-age-binary
      - name: Make the binary executable
        run: chmod u+x paper-age
      - name: Generate PDFs
        run: |
          mkdir -p visual-snapshots
          echo "Hello World" | ./paper-age --title="A4 secret" --page-size=a4 --output=visual-snapshots/a4-current.pdf
          echo "Hello World" | ./paper-age --title="Letter secret" --page-size=letter --output=visual-snapshots/letter-current.pdf
          echo "Hello World" | ./bin/paper-age-release --title="A4 secret" --page-size=a4 --output=visual-snapshots/a4-release.pdf
          echo "Hello World" | ./bin/paper-age-release --title="Letter secret" --page-size=letter --output=visual-snapshots/letter-release.pdf
      - name: Convert the PDFs to PNGs
        run: |
          for f in visual-snapshots/*.pdf; do
            echo "Converting $f to PNG"
            ./bin/pdfium-linux-x64 render "$f" "${f%.*}.png" --combine-pages --dpi 300 --file-type png
          done
      - name: Generate image diffs
        run: |
          for f in visual-snapshots/*-current.png; do
            echo "Comparing ${f/-current.png/-release.png} to $f"
            npx --package=odiff-bin --yes -- odiff --parsable-stdout --threshold=0.5 "${f/-current.png/-release.png}" "$f" "${f/-current.png/-diff.png}"  || true
          done
      - name: Save PR number
        run: |
          mkdir -p ./pr
          echo ${{ github.event.number }} > ./visual-snapshots/PR.txt
      - name: Save snapshots
        uses: actions/upload-artifact@v6
        with:
          name: visual-snapshots
          path: visual-snapshots