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

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

      - name: Post validation report
        uses: actions/github-script@v8
        with:
          script: |
            const fs = require('fs');
            const report = fs.readFileSync('/tmp/report.md', 'utf8');
            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body: report
            });

  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

      - 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'✅ {yml_file.name}')
              except ValidationError as e:
                  errors.append(f'{yml_file.name}: {e.message}')
                  print(f'❌ {yml_file.name}: {e.message}')

          if errors:
              sys.exit(1)
          "

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

      - name: Auto-label PR
        uses: actions/github-script@v8
        with:
          script: |
            const { data: files } = await github.rest.pulls.listFiles({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
            });

            const labels = new Set();

            for (const file of files) {
              if (file.filename.startsWith('bios/')) {
                labels.add('bios');
                // Extract system from path
                const parts = file.filename.split('/');
                if (parts.length >= 3) {
                  labels.add(`system:${parts[1].toLowerCase()}`);
                }
              }
              if (file.filename.startsWith('platforms/')) {
                labels.add('platform-config');
              }
              if (file.filename.startsWith('scripts/')) {
                labels.add('automation');
              }
            }

            if (labels.size > 0) {
              try {
                await github.rest.issues.addLabels({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: context.issue.number,
                  labels: [...labels],
                });
              } catch (e) {
                console.log('Could not add labels:', e.message);
              }
            }