name: Release

on:
  push:
    tags: ["v*"]

permissions:
  contents: write
  packages: write

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    name: Build ${{ matrix.target }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: x86_64-apple-darwin
            os: macos-latest
          - target: aarch64-apple-darwin
            os: macos-latest
          - target: x86_64-unknown-linux-gnu
            os: ubuntu-latest
          - target: aarch64-unknown-linux-gnu
            os: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

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

      - uses: Swatinem/rust-cache@v2
        with:
          key: ${{ matrix.target }}

      # Cross-compilation support for aarch64-linux
      # boring-sys2 builds BoringSSL from C source via cmake — needs cross-compiler + cmake
      - 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 cmake
          echo "CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=aarch64-linux-gnu-gcc" >> $GITHUB_ENV
          echo "CC_aarch64_unknown_linux_gnu=aarch64-linux-gnu-gcc" >> $GITHUB_ENV
          echo "CXX_aarch64_unknown_linux_gnu=aarch64-linux-gnu-g++" >> $GITHUB_ENV
          echo "CMAKE_SYSTEM_NAME=Linux" >> $GITHUB_ENV
          echo "CMAKE_SYSTEM_PROCESSOR=aarch64" >> $GITHUB_ENV

      # BoringSSL build tools for native targets
      - name: Install cmake
        if: matrix.target != 'aarch64-unknown-linux-gnu' && runner.os == 'Linux'
        run: sudo apt-get update && sudo apt-get install -y cmake

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

      - name: Package
        shell: bash
        run: |
          tag="${GITHUB_REF#refs/tags/}"
          staging="webclaw-${tag}-${{ matrix.target }}"
          mkdir "$staging"
          cp target/${{ matrix.target }}/release/webclaw "$staging/" 2>/dev/null || true
          cp target/${{ matrix.target }}/release/webclaw-mcp "$staging/" 2>/dev/null || true
          cp README.md LICENSE "$staging/"
          tar czf "$staging.tar.gz" "$staging"
          echo "ASSET=$staging.tar.gz" >> $GITHUB_ENV

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.target }}
          path: ${{ env.ASSET }}

  release:
    name: Release
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/download-artifact@v4
        with:
          path: artifacts

      - name: Compute checksums
        run: |
          cd artifacts
          find . -name '*.tar.gz' -exec mv {} . \;
          sha256sum *.tar.gz > SHA256SUMS
          cat SHA256SUMS

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          generate_release_notes: true
          files: |
            artifacts/*.tar.gz
            artifacts/SHA256SUMS

  docker:
    name: Docker
    needs: release
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: docker/setup-qemu-action@v3
        with:
          platforms: arm64

      - uses: docker/setup-buildx-action@v3

      - uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Download pre-built binaries for both architectures
      - name: Download release binaries
        run: |
          tag="${GITHUB_REF#refs/tags/}"
          for target in x86_64-unknown-linux-gnu aarch64-unknown-linux-gnu; do
            dir="webclaw-${tag}-${target}"
            curl -sSL "https://github.com/0xMassi/webclaw/releases/download/${tag}/${dir}.tar.gz" -o "${target}.tar.gz"
            tar xzf "${target}.tar.gz"
            mkdir -p "binaries-${target}"
            cp "${dir}/webclaw" "binaries-${target}/webclaw"
            cp "${dir}/webclaw-mcp" "binaries-${target}/webclaw-mcp"
            chmod +x "binaries-${target}"/*
          done
          ls -laR binaries-*/

      # Build per-arch images with plain docker build (no buildx manifest nesting)
      - name: Build and push
        run: |
          tag="${GITHUB_REF#refs/tags/}"

          # amd64
          docker build -f Dockerfile.ci --build-arg BINARY_DIR=binaries-x86_64-unknown-linux-gnu \
            --platform linux/amd64 -t ghcr.io/0xmassi/webclaw:${tag}-amd64 --push .

          # arm64
          docker build -f Dockerfile.ci --build-arg BINARY_DIR=binaries-aarch64-unknown-linux-gnu \
            --platform linux/arm64 -t ghcr.io/0xmassi/webclaw:${tag}-arm64 --push .

          # Multi-arch manifest
          docker manifest create ghcr.io/0xmassi/webclaw:${tag} \
            ghcr.io/0xmassi/webclaw:${tag}-amd64 \
            ghcr.io/0xmassi/webclaw:${tag}-arm64
          docker manifest push ghcr.io/0xmassi/webclaw:${tag}

          docker manifest create ghcr.io/0xmassi/webclaw:latest \
            ghcr.io/0xmassi/webclaw:${tag}-amd64 \
            ghcr.io/0xmassi/webclaw:${tag}-arm64
          docker manifest push ghcr.io/0xmassi/webclaw:latest

  homebrew:
    name: Update Homebrew
    needs: [release, docker]
    runs-on: ubuntu-latest
    steps:
      - name: Compute all checksums and update formula
        env:
          COMMITTER_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
        run: |
          tag="${GITHUB_REF#refs/tags/}"
          base="https://github.com/0xMassi/webclaw/releases/download/${tag}"

          # Download all 4 tarballs and compute SHAs
          for target in aarch64-apple-darwin x86_64-apple-darwin aarch64-unknown-linux-gnu x86_64-unknown-linux-gnu; do
            curl -sSL "${base}/webclaw-${tag}-${target}.tar.gz" -o "${target}.tar.gz"
          done

          SHA_MAC_ARM=$(sha256sum aarch64-apple-darwin.tar.gz | cut -d' ' -f1)
          SHA_MAC_X86=$(sha256sum x86_64-apple-darwin.tar.gz | cut -d' ' -f1)
          SHA_LINUX_ARM=$(sha256sum aarch64-unknown-linux-gnu.tar.gz | cut -d' ' -f1)
          SHA_LINUX_X86=$(sha256sum x86_64-unknown-linux-gnu.tar.gz | cut -d' ' -f1)

          echo "macOS arm64:  $SHA_MAC_ARM"
          echo "macOS x86_64: $SHA_MAC_X86"
          echo "Linux arm64:  $SHA_LINUX_ARM"
          echo "Linux x86_64: $SHA_LINUX_X86"

          # Generate formula
          cat > webclaw.rb << FORMULA
          class Webclaw < Formula
            desc "The fastest web scraper for AI agents. 67% fewer tokens. Sub-ms extraction."
            homepage "https://webclaw.io"
            license "AGPL-3.0"
            version "${tag#v}"

            on_macos do
              if Hardware::CPU.arm?
                url "${base}/webclaw-${tag}-aarch64-apple-darwin.tar.gz"
                sha256 "${SHA_MAC_ARM}"
              else
                url "${base}/webclaw-${tag}-x86_64-apple-darwin.tar.gz"
                sha256 "${SHA_MAC_X86}"
              end
            end

            on_linux do
              if Hardware::CPU.arm?
                url "${base}/webclaw-${tag}-aarch64-unknown-linux-gnu.tar.gz"
                sha256 "${SHA_LINUX_ARM}"
              else
                url "${base}/webclaw-${tag}-x86_64-unknown-linux-gnu.tar.gz"
                sha256 "${SHA_LINUX_X86}"
              end
            end

            def install
              bin.install "webclaw"
              bin.install "webclaw-mcp"
            end

            test do
              assert_match "webclaw", shell_output("#{bin}/webclaw --version")
            end
          end
          FORMULA

          # Remove leading whitespace from heredoc
          sed -i 's/^          //' webclaw.rb

          # Push to homebrew tap
          git clone "https://x-access-token:${COMMITTER_TOKEN}@github.com/0xMassi/homebrew-webclaw.git" tap
          cp webclaw.rb tap/Formula/webclaw.rb
          cd tap
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add Formula/webclaw.rb
          git diff --cached --quiet || git commit -m "Update webclaw to ${tag}"
          git push