name: PR Label Validation

on:
  pull_request_target: # zizmor: ignore[dangerous-triggers] no attacker inputs are used here
    types: [opened, labeled, unlabeled, synchronize]

permissions: {}

jobs:
  validate-release-label:
    runs-on: ubuntu-latest
    permissions:
      issues: write
      pull-requests: write
    steps:
      - id: token
        uses: immich-app/devtools/actions/create-workflow-token@1af396ae134e4bc3b63d947e672bc68bf4ff9dc5 # create-workflow-token-action-v3.0.0
        with:
          client-id: ${{ secrets.PUSH_O_MATIC_APP_CLIENT_ID }}
          private-key: ${{ secrets.PUSH_O_MATIC_APP_KEY }}
          permission-pull-requests: write

      - name: Require PR to have a changelog label
        uses: mheap/github-action-required-labels@23e10fde7e062233401931a0eece796cd9bf3177 # v5.6.0
        with:
          token: ${{ steps.token.outputs.token }}
          mode: exactly
          count: 1
          use_regex: true
          labels: 'changelog:.*'
          add_comment: true
          message: 'Label error. Requires {{errorString}} {{count}} of: {{ provided }}. Found: {{ applied }}. A maintainer will add the required label.'