name: Trigger Docker image build

on:
  pull_request_target:
    types:
      - closed
    branches:
      - current

permissions:
  packages: write
  contents: read
  attestations: write
  id-token: write
  pull-requests: read

jobs:
  track-changes:
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    
    env:
      REF: main  # Used for curl to trigger image build

    steps:
      - name: Checkout vyos/vyos-build repo
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref_name }}

      - uses: dorny/paths-filter@v3
        id: changes
        with:
          filters: |
            docker-dir:
              - 'docker/**'

      - name: "Trigger Docker image build for ${{ github.ref_name }}"
        if: ${{ steps.changes.outputs.docker-dir == 'true' }}
        run: |
          curl -L \
            -X POST \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ secrets.PAT }}" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            https://api.github.com/repos/${{ secrets.REMOTE_OWNER }}/${{ secrets.REMOTE_REUSE_REPO }}/actions/workflows/build-docker-image.yml/dispatches \
            -d '{"ref": "${{ env.REF }}", "inputs":{"branch":"${{ github.ref_name }}", "environment":"production"}}'