name: Check App Updates

on:
  schedule:
    - cron: '0 6 * * 1'   # каждый понедельник в 06:00 UTC
  workflow_dispatch:        # ручной запуск

jobs:
  check-updates:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Check for new app versions
        id: check
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          python3 - <<'PYEOF'
          import json, urllib.request, os, sys

          def gh(path):
              url = f"https://api.github.com/{path}"
              req = urllib.request.Request(url, headers={
                  "Authorization": f"Bearer {os.environ['GH_TOKEN']}",
                  "User-Agent": "frappe-update-checker",
                  "Accept": "application/vnd.github+json"
              })
              try:
                  return json.loads(urllib.request.urlopen(req, timeout=10).read())
              except Exception as e:
                  print(f"  API error for {path}: {e}", file=sys.stderr)
                  return {}

          def latest_tag(owner, repo):
              """Возвращает последний стабильный тег (не pre-release)."""
              releases = gh(f"repos/{owner}/{repo}/releases?per_page=10")
              for r in (releases if isinstance(releases, list) else []):
                  if not r.get("prerelease") and not r.get("draft"):
                      return r["tag_name"]
              return None

          def branch_sha(owner, repo, branch):
              """SHA последнего коммита ветки."""
              data = gh(f"repos/{owner}/{repo}/commits/{branch}")
              return data.get("sha", "")[:8] if data else ""

          apps = json.load(open("apps.json"))
          updates = []
          report_lines = []

          for app in apps:
              url    = app["url"].rstrip("/")
              branch = app["branch"]
              name   = url.split("/")[-1]
              owner  = url.split("/")[-2]

              tag  = latest_tag(owner, name)
              sha  = branch_sha(owner, name, branch)
              current = app.get("tag") or app.get("branch")

              status = ""
              if tag and tag != app.get("tag"):
                  status = f"NEW TAG {tag}"
                  if "tag" not in app or app.get("tag") != tag:
                      app["_new_tag"] = tag
              else:
                  status = f"up-to-date (tag={tag or 'none'}, sha={sha})"

              line = f"  {name:20s} branch={branch:12s}  {status}"
              print(line)
              report_lines.append(line)

          # Записываем отчёт для следующих шагов
          report = "\n".join(report_lines)
          with open(os.environ["GITHUB_OUTPUT"], "a") as f:
              f.write(f"report<<EOF\n{report}\nEOF\n")

          # Проверяем есть ли новые теги
          has_updates = any("_new_tag" in a for a in apps)
          with open(os.environ["GITHUB_OUTPUT"], "a") as f:
              f.write(f"has_updates={'true' if has_updates else 'false'}\n")

          # Обновляем apps.json если есть новые теги
          if has_updates:
              for app in apps:
                  if "_new_tag" in app:
                      app["branch"] = app.pop("_new_tag")
                  app.pop("_new_tag", None)
              with open("apps.json", "w") as f:
                  json.dump(apps, f, indent=2)
              print("\n✓ apps.json обновлён")
          else:
              print("\n✓ Все приложения актуальны")
          PYEOF

      - name: Show update report
        run: |
          echo "=== Статус приложений ==="
          echo "${{ steps.check.outputs.report }}"

      - name: Create Pull Request with updates
        if: steps.check.outputs.has_updates == 'true'
        uses: peter-evans/create-pull-request@v6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "chore: update app versions in apps.json"
          branch: auto/update-apps
          delete-branch: true
          title: "🔄 Обновление версий приложений Frappe"
          body: |
            Автоматическое обновление версий приложений.

            **Изменения в apps.json:**

            ```
            ${{ steps.check.outputs.report }}
            ```

            После merge необходимо:
            1. `make build` — пересобрать образ
            2. `make update` — задеплоить с миграциями

            > Создано автоматически workflow `check-app-updates`
          labels: |
            dependencies
            automated