name: Update Tom Select Files

on:
  workflow_dispatch:
  push:
    paths:
      - 'VENDORS.md'

jobs:
  update-vendors:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}
          token: ${{ secrets.GITHUB_TOKEN }}

      - uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Check and update vendor files
        run: node .github/scripts/update-vendors.js

      - name: Commit and push to PR branch
        id: commit
        run: |
          BASE_BRANCH="${{ github.ref_name }}"
          PR_BRANCH="update-vendors-${BASE_BRANCH}"

          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          # If there are no changes, exit without doing anything
          if git diff --quiet; then
            echo "No changes to vendor files."
            echo "has_changes=false" >> $GITHUB_OUTPUT
            exit 0
          fi

          # Crea o aggiorna la branch PR
          git checkout -B "$PR_BRANCH"
          git add -A
          git commit -m "chore: update vendor files from VENDORS.md"
          git push origin "$PR_BRANCH" --force

          echo "has_changes=true" >> $GITHUB_OUTPUT
          echo "pr_branch=$PR_BRANCH" >> $GITHUB_OUTPUT
          echo "base_branch=$BASE_BRANCH" >> $GITHUB_OUTPUT

      - name: Create Pull Request via API
        if: steps.commit.outputs.has_changes == 'true'
        run: |
          # Try to create the PR; if it already exists (422) ignore the error
          HTTP_CODE=$(curl -s -o /tmp/pr_response.json -w "%{http_code}" \
            -X POST \
            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
            -H "Accept: application/vnd.github+json" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            https://api.github.com/repos/${{ github.repository }}/pulls \
            -d "{
              \"title\": \"chore: update vendor files from VENDORS.md\",
              \"body\": \"Vendor files updated automatically after a change to \`VENDORS.md\`.\n\nPlease review the downloaded files before merging.\",
              \"head\": \"${{ steps.commit.outputs.pr_branch }}\",
              \"base\": \"${{ steps.commit.outputs.base_branch }}\"
            }")

          cat /tmp/pr_response.json

          if [ "$HTTP_CODE" = "201" ]; then
            echo "PR created successfully."
          elif [ "$HTTP_CODE" = "422" ]; then
            echo "PR already exists, updated with the new commit."
          else
            echo "Error creating PR: HTTP $HTTP_CODE"
            exit 1
          fi