from django.conf import settings

from core.access_preview import (
    ACCESS_PREVIEW_PRESETS,
    access_preview_available,
    resolve_preset,
)


def portal_map_config(request):
    """Ключ CARTO basemaps и прочие настройки карт для JS (Leaflet)."""
    return {
        'carto_basemaps_api_key': getattr(settings, 'CARTO_BASEMAPS_API_KEY', ''),
    }


def access_preview(request):
    """Переключатель «смотреть как…» в шапке (только DEBUG + staff)."""
    user = getattr(request, 'user', None)
    if not access_preview_available(user):
        return {'dev_access_preview_enabled': False}
    preview_id = getattr(request, 'access_preview', '') or ''
    preset = resolve_preset(preview_id)
    return {
        'dev_access_preview_enabled': True,
        'dev_access_preview': preview_id,
        'dev_access_preview_active': bool(preview_id),
        'dev_access_preview_label': preset.label if preset and preset.id else '',
        'dev_access_preview_presets': ACCESS_PREVIEW_PRESETS,
    }