name: release
on:
  push:
    tags:
    - '[0-9]+.[0-9]+.[0-9]+'

permissions:
  contents: write

jobs:
  create-release:
    name: create-release
    runs-on: ubuntu-latest
    outputs:
      sctd_version: ${{ env.SCTD_VERSION }}
    steps:
    - uses: actions/checkout@v4
    - name: Get the release version from the tag
      shell: bash
      run: echo "SCTD_VERSION=${{ github.ref_name }}" >> $GITHUB_ENV
    - name: Show the version
      run: |
        echo "version is: $SCTD_VERSION"
    - name: Check that tag version and Cargo.toml version are the same
      shell: bash
      run: |
        if ! grep -q "version = \"$SCTD_VERSION\"" Cargo.toml; then
          echo "version does not match Cargo.toml" >&2
          exit 1
        fi
    - name: Create GitHub release
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: gh release create ${{ env.SCTD_VERSION }} --draft --verify-tag --title ${{ env.SCTD_VERSION }}

  build-release:
    name: build-release
    needs: ['create-release']
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        build: [linux, macos]
        include:
        - build: linux
          os: ubuntu-latest
          rust: stable
          target: x86_64-unknown-linux-gnu
        - build: macos
          os: macos-latest
          rust: stable
          target: x86_64-apple-darwin

    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Install packages (Linux)
      if: matrix.build == 'linux'
      run: |
        sudo apt-get update
        sudo apt-get install -y --no-install-recommends \
          libx11-dev \
          libxrandr-dev

    - name: Install Rust
      uses: dtolnay/rust-toolchain@master
      with:
        toolchain: ${{ matrix.rust }}
        target: ${{ matrix.target }}

    - name: Build release binary
      run: cargo build --verbose --release --target ${{ matrix.target }}

    - name: Strip release binary (linux and macos)
      if: matrix.build == 'linux' || matrix.build == 'macos'
      run: strip "target/${{ matrix.target }}/release/sctd"

    - name: Build archive
      shell: bash
      run: |
        staging="sctd-${{ needs.create-release.outputs.sctd_version }}-${{ matrix.target }}"
        mkdir -p "$staging"

        cp "target/${{ matrix.target }}/release/sctd" "$staging/"
        cp README.md LICENSE "$staging/"

        tar czf "$staging.tar.gz" "$staging"
        shasum -a 256 "$staging.tar.gz" > "$staging.tar.gz.sha256"
        echo "ASSET=$staging.tar.gz" >> $GITHUB_ENV
        echo "ASSET_SUM=$staging.tar.gz.sha256" >> $GITHUB_ENV

    - name: Upload release archive
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: gh release upload ${{ needs.create-release.outputs.sctd_version }} ${{ env.ASSET }} ${{ env.ASSET_SUM }}