name: Monitor TVBox JSON

on:
  schedule:
    # Run every 5 minutes. GitHub-hosted schedules may be delayed under load.
    - cron: "*/5 * * * *"
  workflow_dispatch:

permissions:
  contents: write

concurrency:
  group: tvbox-json-monitor
  cancel-in-progress: false

jobs:
  update-tvbox-json:
    runs-on: ubuntu-latest

    env:
      TVBOX_URL: ${{ vars.TVBOX_URL }}
      TVBOX_UA: "okhttp/3.15"
      OUT_JSON: "data/tvbox.json"
      OUT_META: "data/tvbox.meta.json"

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

      - name: Validate repository variables
        run: |
          if [ -z "${TVBOX_URL}" ]; then
            echo "Repository variable TVBOX_URL is not set."
            exit 1
          fi

      - name: Extract and decode TVBox JSON
        run: python3 scripts/extract_tvbox.py

      - name: Validate generated files
        run: |
          python3 -m json.tool "${OUT_JSON}" > /dev/null
          python3 -m json.tool "${OUT_META}" > /dev/null

      - name: Commit and push changes
        run: |
          if git diff --quiet -- "${OUT_JSON}" "${OUT_META}"; then
            echo "No TVBox JSON update detected."
            exit 0
          fi

          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

          git add "${OUT_JSON}" "${OUT_META}"

          COMMIT_TIME="$(date -u +'%Y-%m-%dT%H:%M:%SZ')"
          git commit -m "chore(tvbox): update decoded JSON ${COMMIT_TIME}"

          git push