name: PR Validation

on:
  pull_request:
    paths:
      - "bios/**"
      - "platforms/**"

permissions:
  contents: read
  pull-requests: write

concurrency:
  group: validate-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  validate-bios:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v6
        with:
          python-version: "3.12"

      - name: Install dependencies
        run: pip install pyyaml

      - name: Get changed BIOS files
        id: changed
        env:
          BASE_SHA: ${{ github.event.pull_request.base.sha }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        run: |
          files=$(git diff --name-only "$BASE_SHA"..."$HEAD_SHA" | grep '^bios/' || true)
          echo "files=$files" >> "$GITHUB_OUTPUT"
          echo "$files" > /tmp/changed_files.txt

      - name: Validate BIOS files
        id: validate
        run: |
          if [ -s /tmp/changed_files.txt ]; then
            xargs python scripts/validate_pr.py --markdown < /tmp/changed_files.txt > /tmp/report.md 2>&1 || true
          else
            echo "No BIOS files changed" > /tmp/report.md
          fi

      - name: Post validation report
        if: always()
        run: |
          gh pr comment "${{ github.event.pull_request.number }}" --body-file /tmp/report.md
        env:
          GH_TOKEN: ${{ github.token }}

  validate-configs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-python@v6
        with:
          python-version: "3.12"

      - name: Install dependencies
        run: pip install pyyaml jsonschema==4.23.0

      - name: Validate platform configs
        run: |
          python -c "
          import json, yaml, sys
          from jsonschema import validate, ValidationError
          from pathlib import Path

          with open('schemas/platform.schema.json') as f:
              schema = json.load(f)

          errors = []
          for yml_file in Path('platforms').glob('*.yml'):
              if yml_file.name.startswith('_'):
                  continue
              with open(yml_file) as f:
                  config = yaml.safe_load(f)
              try:
                  validate(config, schema)
                  print(f'OK {yml_file.name}')
              except ValidationError as e:
                  errors.append(f'{yml_file.name}: {e.message}')
                  print(f'FAIL {yml_file.name}: {e.message}')

          if errors:
              sys.exit(1)
          "

  run-tests:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-python@v6
        with:
          python-version: "3.12"

      - name: Install dependencies
        run: pip install pyyaml

      - name: Run test suite
        run: python -m unittest tests.test_e2e -v

  label-pr:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Auto-label PR
        run: |
          labels=""
          files=$(gh pr diff "${{ github.event.pull_request.number }}" --name-only)

          if echo "$files" | grep -q '^bios/'; then
            labels="$labels bios"
            for sys in $(echo "$files" | grep '^bios/' | cut -d/ -f2 | sort -u); do
              labels="$labels system:$(echo "$sys" | tr '[:upper:]' '[:lower:]')"
            done
          fi
          if echo "$files" | grep -q '^platforms/'; then
            labels="$labels platform-config"
          fi
          if echo "$files" | grep -q '^scripts/'; then
            labels="$labels automation"
          fi

          for label in $labels; do
            gh pr edit "${{ github.event.pull_request.number }}" --add-label "$label" 2>/dev/null || true
          done
        env:
          GH_TOKEN: ${{ github.token }}