from flask import Blueprint, request, jsonify
from auth import require_level
from config_utils import (
    _load_done_set, _is_locked, _lock_mtime,
    _seconds_until_next_run, _entry_ts_from_queue,
)

bp = Blueprint('api_apply_status', __name__)


@bp.route('/api/apply-status')
@require_level('viewer')
def apply_status():
    entry_uuid = request.args.get('uuid', '')
    if not entry_uuid:
        return jsonify({'status': 'unknown'})

    if entry_uuid in _load_done_set():
        return jsonify({'status': 'complete'})

    if _is_locked():
        mtime    = _lock_mtime()
        entry_ts = _entry_ts_from_queue(entry_uuid)
        if mtime and entry_ts is not None and entry_ts < mtime:
            return jsonify({'status': 'running'})
        return jsonify({'status': 'pending', 'next_in': None})

    return jsonify({'status': 'pending', 'next_in': _seconds_until_next_run()})