name: AI Code Reviewer

on:
  pull_request:
    types: [opened, synchronize]

permissions:
  pull-requests: write
  contents: read

jobs:
  review:
    name: Gemini AI Review
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        run: bun install --frozen-lockfile

      - name: Run AI Review
        env:
          # Use user's PAT to count towards their GitHub contribution graph, fallback to standard bot token
          GITHUB_TOKEN: ${{ secrets.GH_PAT || secrets.GITHUB_TOKEN }}
          AGENT_API_KEY: ${{ secrets.AGENT_API_KEY }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          REPO: ${{ github.repository }}
          BASE_SHA: ${{ github.event.pull_request.base.sha }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        run: bun run scripts/ai-review.ts