# Copyright 2026 UCID Foundation
#
# Licensed under the EUPL, Version 1.2 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""OpenStreetMap data fetcher for UCID.

This module provides utilities for fetching OSM data via OSMnx,
with caching support to reduce API load.
"""

from typing import Any


class OSMFetcher:
    """Fetcher for OpenStreetMap data via OSMnx.

    This class provides cached access to OSM network and POI data.

    Attributes:
        use_cache: Whether to cache downloaded data.

    Example:
        >>> fetcher = OSMFetcher()
        >>> network = fetcher.get_network(lat=41.015, lon=28.979)
    """

    def __init__(self, use_cache: bool = True) -> None:
        """Initialize the OSM fetcher.

        Args:
            use_cache: Whether to cache downloaded data.
        """
        self.use_cache = use_cache

    def get_network(
        self,
        lat: float,
        lon: float,
        dist: int = 1000,
        network_type: str = "walk",
    ) -> Any | None:
        """Fetch street network for a location.

        Args:
            lat: Center latitude.
            lon: Center longitude.
            dist: Radius in meters.
            network_type: Type of network (walk, drive, bike).

        Returns:
            NetworkX graph or None if unavailable.

        Note:
            Production implementation should use ox.graph_from_point().
        """
        del lat, lon, dist, network_type  # Stub - parameters not used
        return None

    def get_amenities(
        self,
        lat: float,
        lon: float,
        dist: int = 1000,
        tags: dict[str, Any] | None = None,
    ) -> Any | None:
        """Fetch amenities/POIs for a location.

        Args:
            lat: Center latitude.
            lon: Center longitude.
            dist: Radius in meters.
            tags: OSM tags to filter by.

        Returns:
            GeoDataFrame of features or None if unavailable.

        Note:
            Production implementation should use ox.features_from_point().
        """
        del lat, lon, dist, tags  # Stub - parameters not used
        return None
