name: Homebrew Publish

on:
  workflow_call:
    inputs:
      tag:
        description: "Release tag to publish (for example: v0.0.1-rc.4)"
        required: true
        type: string
  workflow_dispatch:
    inputs:
      tag:
        description: "Release tag to publish (for example: v0.0.1-rc.4)"
        required: true
        type: string

permissions:
  contents: read

jobs:
  publish-homebrew:
    if: vars.HOMEBREW_PUBLISH_ENABLED == '1'
    runs-on: ubuntu-latest
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      TAG: ${{ inputs.tag }}
    steps:
      - uses: actions/checkout@v4

      - name: Wait for release assets
        run: |
          set -euo pipefail
          for attempt in $(seq 1 30); do
            if gh release view "$TAG" --repo "$GITHUB_REPOSITORY" >/dev/null 2>&1; then
              echo "release ${TAG} is available"
              exit 0
            fi
            sleep 10
          done
          echo "release ${TAG} was not found after waiting" >&2
          exit 1

      - name: Render Homebrew formula from released assets
        run: |
          set -euo pipefail
          mkdir -p /tmp/release-input /tmp/release-metadata
          gh release download "$TAG" --repo "$GITHUB_REPOSITORY" \
            --pattern "openbitdo-${TAG}-linux-x86_64.tar.gz" \
            --pattern "openbitdo-${TAG}-linux-aarch64.tar.gz" \
            --pattern "openbitdo-${TAG}-macos-arm64.tar.gz" \
            --dir /tmp/release-input
          bash packaging/scripts/render_release_metadata.sh \
            "$TAG" \
            "$GITHUB_REPOSITORY" \
            /tmp/release-input \
            /tmp/release-metadata

      - name: Upload rendered Homebrew formula (audit)
        uses: actions/upload-artifact@v4
        with:
          name: homebrew-rendered-formula-${{ inputs.tag }}
          path: |
            /tmp/release-metadata/homebrew/Formula/openbitdo.rb
            /tmp/release-metadata/checksums.env

      - name: Sync Homebrew tap
        env:
          HOMEBREW_PUBLISH_ENABLED: "1"
          HOMEBREW_TAP_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}
          HOMEBREW_TAP_REPO: ${{ vars.HOMEBREW_TAP_REPO }}
          FORMULA_SOURCE: /tmp/release-metadata/homebrew/Formula/openbitdo.rb
        run: |
          set -euo pipefail
          if [[ -z "${HOMEBREW_TAP_TOKEN:-}" ]]; then
            echo "missing required secret: HOMEBREW_TAP_TOKEN" >&2
            exit 1
          fi
          if [[ -z "${HOMEBREW_TAP_REPO:-}" ]]; then
            echo "missing required variable: HOMEBREW_TAP_REPO" >&2
            exit 1
          fi
          bash packaging/homebrew/sync_tap.sh