---
name: CI
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions: read-all

jobs:
  test-bot:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-22.04, macos-14]
    runs-on: ${{ matrix.os }}

    permissions:
      contents: read
      pull-requests: write
      actions: read

    steps:
      - name: Set up Homebrew
        id: set-up-homebrew
        uses: Homebrew/actions/setup-homebrew@main

      - name: Cache Homebrew Bundler RubyGems
        uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
        with:
          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
          key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
          restore-keys: ${{ runner.os }}-rubygems-

      - name: Install Homebrew Bundler RubyGems
        run: brew install-bundler-gems

      - name: Run brew test-bot (cleanup)
        run: brew test-bot --only-cleanup-before

      - name: Run brew test-bot (setup)
        run: brew test-bot --only-setup

      - name: Run brew test-bot (tap syntax)
        run: brew test-bot --only-tap-syntax

      - name: Check for real formulae (non-examples)
        id: check-formulae
        run: |
          # Count formulae that are not example formulae
          REAL_FORMULAE=$(find Formula -name "*.rb" ! -name "example-*.rb" | wc -l | tr -d ' ')
          echo "real_formulae_count=$REAL_FORMULAE" >> "$GITHUB_OUTPUT"
          echo "Found $REAL_FORMULAE real formulae (excluding examples)"

      - name: Run brew test-bot (formulae)
        if: github.event_name == 'pull_request' && steps.check-formulae.outputs.real_formulae_count > 0
        run: brew test-bot --only-formulae

      - name: Upload bottles as artifact
        if: always() && github.event_name == 'pull_request'
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
        with:
          name: bottles_${{ matrix.os }}
          path: "*.bottle.*"