name: Release

on:
  push:
    tags:
      - 'v[0-9]*'

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod

      - name: Build binaries and archives
        run: |
          VERSION=${{ github.ref_name }}
          mkdir -p dist

          for PAIR in darwin/arm64 darwin/amd64 linux/amd64; do
            OS=${PAIR%/*}
            ARCH=${PAIR#*/}
            GOOS=$OS GOARCH=$ARCH go build -ldflags="-s -w" -o dist/caddyview-${OS}-${ARCH} .
            STAGING=$(mktemp -d)
            cp dist/caddyview-${OS}-${ARCH} ${STAGING}/caddyview
            tar -czf dist/caddyview-${VERSION}-${OS}-${ARCH}.tar.gz -C ${STAGING} caddyview
            rm -rf ${STAGING}
          done

          echo "=== SHA256 checksums ==="
          sha256sum dist/*.tar.gz

      - name: Create GitHub Release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          VERSION=${{ github.ref_name }}
          gh release create "$VERSION" dist/*.tar.gz \
            --title "$VERSION" \
            --generate-notes

      - name: Update Homebrew formula
        env:
          TAP_TOKEN: ${{ secrets.TAP_TOKEN }}
        run: |
          VERSION=${{ github.ref_name }}
          VER=${VERSION#v}
          SHA_ARM64=$(sha256sum dist/caddyview-${VERSION}-darwin-arm64.tar.gz | awk '{print $1}')
          SHA_AMD64=$(sha256sum dist/caddyview-${VERSION}-darwin-amd64.tar.gz | awk '{print $1}')
          SHA_LINUX=$(sha256sum dist/caddyview-${VERSION}-linux-amd64.tar.gz  | awk '{print $1}')

          git clone "https://x-access-token:${TAP_TOKEN}@github.com/janvete/homebrew-tools.git" tap

          cat > tap/Formula/caddyview.rb << FORMULA
          class Caddyview < Formula
            desc "TUI SSH monitor for Caddy web server logs"
            homepage "https://github.com/janvete/caddyview"
            version "${VER}"
            license "MIT"

            on_macos do
              if Hardware::CPU.arm?
                url "https://github.com/janvete/caddyview/releases/download/${VERSION}/caddyview-${VERSION}-darwin-arm64.tar.gz"
                sha256 "${SHA_ARM64}"
              else
                url "https://github.com/janvete/caddyview/releases/download/${VERSION}/caddyview-${VERSION}-darwin-amd64.tar.gz"
                sha256 "${SHA_AMD64}"
              end
            end

            on_linux do
              if Hardware::CPU.intel?
                url "https://github.com/janvete/caddyview/releases/download/${VERSION}/caddyview-${VERSION}-linux-amd64.tar.gz"
                sha256 "${SHA_LINUX}"
              end
            end

            def install
              bin.install "caddyview"
            end

            test do
              assert_match "TUI monitor", shell_output("#{bin}/caddyview --help")
            end
          end
          FORMULA

          cd tap
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git config user.name "github-actions[bot]"
          git add Formula/caddyview.rb
          git commit -m "chore: bump caddyview to ${VERSION}"
          git push