name: 'Preview Environment Dispatch'

permissions: {}

on:
  pull_request_target:
    types: [opened, synchronize, reopened, labeled]
    paths:
      - packages/twenty-docker/**
      - packages/twenty-server/**
      - packages/twenty-front/**
      - packages/twenty-apps/examples/**
      - packages/twenty-apps/internal/**
      - packages/twenty-apps/public/**
      - .github/workflows/preview-env-dispatch.yaml

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  trigger-preview:
    if: |
      (github.event.action == 'labeled' && github.event.label.name == 'preview-app') ||
      (
        (
          github.event.pull_request.author_association == 'MEMBER' ||
          github.event.pull_request.author_association == 'OWNER' ||
          github.event.pull_request.author_association == 'COLLABORATOR'
        ) && (
          github.event.action == 'opened' ||
          github.event.action == 'synchronize' ||
          github.event.action == 'reopened'
        )
      )
    timeout-minutes: 5
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: read
    steps:
      # Files API, not a checkout: under pull_request_target nothing from the
      # PR head may be checked out here.
      - name: List changed apps
        id: apps
        env:
          GH_TOKEN: ${{ github.token }}
          REPOSITORY: ${{ github.repository }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
        run: |
          set -euo pipefail
          changed_files=$(gh api "repos/${REPOSITORY}/pulls/${PR_NUMBER}/files" --paginate --jq '.[].filename')
          app_paths=$(printf '%s\n' "$changed_files" \
            | grep -oE '^packages/twenty-apps/(examples|internal|public)/[a-z0-9][a-z0-9-]*' \
            | sort -u || true)

          echo "Changed apps:"
          printf '%s\n' "${app_paths:-<none>}"
          {
            echo 'app_paths<<APPS_EOF'
            printf '%s\n' "$app_paths"
            echo 'APPS_EOF'
          } >> "$GITHUB_OUTPUT"

      # Preview envs run on the PUBLIC ci-public repo so the 5h keepalive job
      # consumes free Actions minutes (private repos bill them). ci-public holds
      # no privileged secret: it starts the tunnel and dispatches the URL back to
      # twenty-factory for the PR comment *before* running any PR-controlled code.
      - name: Mint ci-public dispatch token
        id: app-token
        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
        with:
          client-id: ${{ vars.TWENTY_WORKFLOW_DISPATCHER_CLIENT_ID }}
          private-key: ${{ secrets.TWENTY_WORKFLOW_DISPATCHER_PRIVATE_KEY }}
          owner: twentyhq
          repositories: ci-public
          permission-actions: write

      - name: Dispatch preview-env to ci-public
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
          REPOSITORY: ${{ github.repository }}
          APP_PATHS: ${{ steps.apps.outputs.app_paths }}
        run: |
          gh workflow run preview-env.yaml --repo twentyhq/ci-public --ref main \
            -f pr_number="$PR_NUMBER" \
            -f pr_head_sha="$PR_HEAD_SHA" \
            -f repo="$REPOSITORY" \
            -f app_paths="$APP_PATHS"