name: Send API Key on PR Merge

on:
  pull_request_target:
    types: [closed]
    paths:
      - 'documentation/src/pages/recipes/data/recipes/**'

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

jobs:
  send-api-key:
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repo at merge commit
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.merge_commit_sha }}
          fetch-depth: 0

      - name: Check if recipe files were added or modified in merged PR
        id: recipe_changes
        run: |
          set -e
          echo "🔍 Checking if recipe files were added or modified in merged PR..."
          
          MERGE_COMMIT="${{ github.event.pull_request.merge_commit_sha }}"
          echo "Merge commit: $MERGE_COMMIT"

          # Get parent commit of the merge
          PARENT_COMMIT=$(git rev-parse "$MERGE_COMMIT^1")
          echo "Parent commit: $PARENT_COMMIT"

          # Get list of added or modified files in the PR (ignore deletions)
          CHANGED_FILES=$(git diff --name-only --diff-filter=AM "$PARENT_COMMIT" "$MERGE_COMMIT")

          echo "Files added/modified in merged PR:"
          echo "$CHANGED_FILES"
          echo ""

          # Detect recipe changes only
          if echo "$CHANGED_FILES" | grep -q "^documentation/src/pages/recipes/data/recipes/"; then
            echo "recipe_files_changed=true" >> "$GITHUB_OUTPUT"
            echo "✅ Recipe files were added/modified in merged PR - proceeding with API key sending"
          else
            echo "recipe_files_changed=false" >> "$GITHUB_OUTPUT"
            echo "ℹ️ No recipe files were added/modified in merged PR - skipping API key sending"
          fi

      - name: Set up Python
        if: steps.recipe_changes.outputs.recipe_files_changed == 'true'
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: Install dependencies and run email script
        if: steps.recipe_changes.outputs.recipe_files_changed == 'true'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GITHUB_SHA: ${{ github.sha }}
          GITHUB_REPOSITORY: ${{ github.repository }}
          PROVISIONING_API_KEY: ${{ secrets.PROVISIONING_API_KEY }}
          EMAIL_API_KEY: ${{ secrets.SENDGRID_API_KEY }}
        run: |
          pip install requests sendgrid email-validator
          python .github/scripts/send_key.py