name: Release

on:
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      tag:
        description: "Tag to build from (e.g., v1.0.0)"
        required: false

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        target: [x86_64-unknown-linux-gnu, aarch64-unknown-linux-gnu]

    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.event.inputs.tag || github.ref }}

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

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

      - name: Install cross-compilation tools
        if: ${{ matrix.target == 'aarch64-unknown-linux-gnu' }}
        run: |
          sudo apt-get update
          sudo apt-get install -y gcc-aarch64-linux-gnu g++-aarch64-linux-gnu binutils-aarch64-linux-gnu libc6-dev-arm64-cross

      - name: Ensure Rust target is installed
        run: |
          rustup target add ${{ matrix.target }}

      - name: Configure cargo linker for aarch64
        if: ${{ matrix.target == 'aarch64-unknown-linux-gnu' }}
        run: |
          mkdir -p .cargo
          cat > .cargo/config.toml <<'EOF'
          [target.aarch64-unknown-linux-gnu]
          linker = "aarch64-linux-gnu-gcc"
          ar = "aarch64-linux-gnu-ar"
          EOF

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

      - name: Get version, date, and hash
        id: get_info
        run: |
          VERSION=$(git tag | sort -V | tail -1)
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT

      - name: Prepare rpmi-git.spec
        run: |
          cp rpmi-git.spec rpmi-git-build.spec
          sed -i "s/@@TAG@@/${{ steps.get_info.outputs.VERSION }}/g" rpmi-git-build.spec

      - name: Upload spec artifact
        uses: actions/upload-artifact@v4
        with:
          name: rpmi-git-spec-${{ matrix.target }}
          path: rpmi-build.spec

      - name: Upload binary artifact
        uses: actions/upload-artifact@v4
        with:
          name: rpmi-${{ matrix.target }}
          path: target/${{ matrix.target }}/release/rpmi