name: Release

on:
  push:
    tags:
      - "v*"
  workflow_dispatch:

jobs:
  build_release:
    name: Build ${{ matrix.asset_name }}
    runs-on: ${{ matrix.runner }}
    permissions:
      contents: write
    strategy:
      fail-fast: false
      matrix:
        include:
          - runner: ubuntu-latest
            asset_name: omnigraph-linux-x86_64
          - runner: macos-14
            asset_name: omnigraph-macos-arm64
          - runner: windows-latest
            asset_name: omnigraph-windows-x86_64
    env:
      CARGO_TERM_COLOR: always
    steps:
      - name: Checkout source
        uses: actions/checkout@v5.0.1

      - name: Install Linux dependencies
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y protobuf-compiler libprotobuf-dev

      - name: Install macOS dependencies
        if: runner.os == 'macOS'
        run: brew install protobuf

      - name: Install Windows dependencies
        if: runner.os == 'Windows'
        run: choco install protoc -y

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

      - name: Cache Rust build data
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: |
            . -> target

      - name: Build release binaries
        run: cargo build --release --locked -p omnigraph-cli -p omnigraph-server

      - name: Package Unix release archive
        if: runner.os != 'Windows'
        run: |
          mkdir -p release
          install -m 0755 target/release/omnigraph release/omnigraph
          install -m 0755 target/release/omnigraph-server release/omnigraph-server
          tar -C release -czf "${{ matrix.asset_name }}.tar.gz" omnigraph omnigraph-server
          shasum -a 256 "${{ matrix.asset_name }}.tar.gz" > "${{ matrix.asset_name }}.sha256"

      - name: Package Windows release archive
        if: runner.os == 'Windows'
        run: |
          New-Item -ItemType Directory -Force -Path release | Out-Null
          Copy-Item target/release/omnigraph.exe release/omnigraph.exe
          Copy-Item target/release/omnigraph-server.exe release/omnigraph-server.exe
          Compress-Archive -Path release/omnigraph.exe, release/omnigraph-server.exe -DestinationPath "${{ matrix.asset_name }}.zip" -Force
          $hash = (Get-FileHash "${{ matrix.asset_name }}.zip" -Algorithm SHA256).Hash.ToLowerInvariant()
          "$hash  ${{ matrix.asset_name }}.zip" | Out-File -FilePath "${{ matrix.asset_name }}.sha256" -Encoding ascii
          New-Item -ItemType Directory -Force -Path verify | Out-Null
          Expand-Archive -Path "${{ matrix.asset_name }}.zip" -DestinationPath verify -Force
          $items = Get-ChildItem -Path verify -File
          if ($items.Count -ne 2 -or !(Test-Path verify/omnigraph.exe) -or !(Test-Path verify/omnigraph-server.exe)) {
            throw "Windows release archive is missing expected binaries"
          }

      - name: Publish GitHub release assets
        uses: softprops/action-gh-release@v2.5.0
        with:
          files: |
            ${{ matrix.asset_name }}.*

  update_homebrew_tap:
    name: Update Homebrew tap
    needs: build_release
    runs-on: ubuntu-latest
    permissions:
      contents: read
    env:
      HOMEBREW_TAP_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
    steps:
      - name: Skip if HOMEBREW_TAP_TOKEN is not configured
        if: env.HOMEBREW_TAP_TOKEN == ''
        run: |
          echo "HOMEBREW_TAP_TOKEN is not set; skipping Homebrew tap update."
          echo "HOMEBREW_TAP_SKIP=1" >> "$GITHUB_ENV"

      - name: Checkout source
        if: env.HOMEBREW_TAP_SKIP != '1'
        uses: actions/checkout@v5.0.1

      - name: Checkout Homebrew tap
        if: env.HOMEBREW_TAP_SKIP != '1'
        uses: actions/checkout@v5.0.1
        with:
          repository: ModernRelay/homebrew-tap
          token: ${{ secrets.HOMEBREW_TAP_TOKEN }}
          path: homebrew-tap

      - name: Update formula from release assets
        if: env.HOMEBREW_TAP_SKIP != '1'
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          ./scripts/update-homebrew-formula.sh "${GITHUB_REF_NAME}" homebrew-tap/Formula/omnigraph.rb

      - name: Audit generated formula
        if: env.HOMEBREW_TAP_SKIP != '1'
        run: |
          # Audit the checked-out tap by name (brew audit rejects bare paths
          # and needs tap context). Symlink the checkout into Homebrew's Taps
          # tree so `modernrelay/tap/omnigraph` resolves to it.
          tap_dir="$(brew --repository)/Library/Taps/modernrelay/homebrew-tap"
          mkdir -p "$(dirname "$tap_dir")"
          ln -sfn "$PWD/homebrew-tap" "$tap_dir"
          brew audit --strict --online modernrelay/tap/omnigraph

      - name: Commit and push formula update
        if: env.HOMEBREW_TAP_SKIP != '1'
        working-directory: homebrew-tap
        run: |
          if git diff --quiet -- Formula/omnigraph.rb; then
            echo "Formula already up to date"
            exit 0
          fi

          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add Formula/omnigraph.rb
          git commit -m "Update Omnigraph formula to ${GITHUB_REF_NAME}"
          git push origin HEAD:main

  smoke_windows_installer:
    name: Smoke Windows installer
    needs: build_release
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: windows-latest
    permissions:
      contents: read
    steps:
      - name: Checkout source
        uses: actions/checkout@v5.0.1

      - name: Install from tagged release
        run: ./scripts/install.ps1 -Version "$env:GITHUB_REF_NAME" -InstallDir "$env:RUNNER_TEMP/omnigraph-bin"

      - name: Smoke installed binaries
        run: |
          & "$env:RUNNER_TEMP/omnigraph-bin/omnigraph.exe" version
          & "$env:RUNNER_TEMP/omnigraph-bin/omnigraph-server.exe" --help