name: Build PDF & Release
run-name: Build PDF and Release ${{ github.ref_name }}

on:
  push:
    branches:
      - main
    paths:
      - '**.md'
      - '.github/workflows/**'
      - 'md-pdf.ron'

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Setup Rust cache
        uses: swatinem/rust-cache@v2

      - name: Install Typst
        run: |
          mkdir -p /usr/local/bin
          curl -L -o typst.tar.xz https://github.com/typst/typst/releases/latest/download/typst-x86_64-unknown-linux-musl.tar.xz
          tar -xJf typst.tar.xz --strip-components=1 -C /usr/local/bin/ typst-x86_64-unknown-linux-musl/typst
          typst --version

      - name: Install md-pdf (Rust)
        run: |
          cargo install md-pdf
          echo "$HOME/.cargo/bin" >> $GITHUB_PATH

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.23'

      - name: Install svu (Go)
        run: go install github.com/caarlos0/svu@latest

      - name: Build PDF
        run: |
          md-pdf README.md
          mv README.pdf PIS.pdf

      # Calculate version based on commit messages (fix, feat, breaking)
      - name: Calculate Next Version
        id: version
        run: |
          NEW_TAG=$(svu next)
          echo "tag=$NEW_TAG" >> $GITHUB_OUTPUT
          echo "Next version : $NEW_TAG"

      # Create release and upload PDF
      # Note: softprops works very well on recent Gitea
      - name: Create Release
        uses: softprops/action-gh-release@v1
        if: ${{ steps.version.outputs.tag != '' }} # Safety check
        with:
          tag_name: ${{ steps.version.outputs.tag }}
          name: Release ${{ steps.version.outputs.tag }}
          files: PIS.pdf
          draft: false
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}