name: Modified Target Validation

on:
  pull_request:
    branches:
      - master
    paths:
      - "sherlock_project/resources/data.json"

jobs:
  validate-modified-targets:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: '3.13'

      - name: Install Poetry
        uses: abatilo/actions-poetry@v4
        with:
          poetry-version: 'latest'

      - name: Install dependencies
        run: |
          poetry install --no-interaction --with dev

      - name: Discover modified targets
        id: discover-modified
        run: |
          # Fetch the upstream branch
          git fetch origin ${{ github.base_ref }} --depth=1

          # Discover changes
          git show origin/${{ github.base_ref }}:sherlock_project/resources/data.json > data.json.base
          CHANGED=$(
            jq --slurpfile base data.json.base --slurpfile head sherlock_project/resources/data.json '
              [
                ($head[0] | keys_unsorted[]) as $key
                | select(($base[0][$key] != $head[0][$key]) or ($base[0][$key] | not))
                | $key
              ] | unique | join(",")'
          )

          # Preserve changelist
          echo ">>> Changed targets: \n$(echo $CHANGED | tr ',' '\n')"
          echo "changed_targets=$CHANGED" >> "$GITHUB_OUTPUT"

      - name: Validate modified targets
        if: steps.discover-modified.outputs.changed_targets != ''
        run: |
          $(poetry env activate)
          pytest -q --tb no -rA -m validate_targets -n 20 --chunked-sites "${{ steps.discover-modified.outputs.changed_targets }}"
          deactivate

      - name: Announce skip if no modified targets
        if: steps.discover-modified.outputs.changed_targets == ''
        run: |
          echo "No modified targets found"