"""Tests for trip map coordinate assembly."""

from datetime import date

import agenda.trip
import pytest
from agenda.types import Trip
from web_view import app


def test_add_coordinates_for_unbooked_flights_adds_missing_airports() -> None:
    """Unbooked routes should contribute missing airport pins."""
    routes = [
        {
            "type": "unbooked_flight",
            "key": "LHR_Paris_fr",
            "from_iata": "LHR",
            "to_iata": "CDG",
            "from": (51.47, -0.45),
            "to": (49.01, 2.55),
        }
    ]
    coordinates = [
        {
            "name": "Heathrow Airport",
            "type": "airport",
            "latitude": 51.47,
            "longitude": -0.45,
        }
    ]
    airports = {
        "LHR": {
            "name": "Heathrow Airport",
            "latitude": 51.47,
            "longitude": -0.45,
        },
        "CDG": {
            "name": "Paris Charles de Gaulle Airport",
            "latitude": 49.01,
            "longitude": 2.55,
        },
    }

    with app.app_context():
        original_parse_yaml = agenda.trip.travel.parse_yaml
        try:
            agenda.trip.travel.parse_yaml = lambda _name, _data_dir: airports
            agenda.trip.add_coordinates_for_unbooked_flights(
                routes, coordinates, app.config["PERSONAL_DATA"]
            )
        finally:
            agenda.trip.travel.parse_yaml = original_parse_yaml

    airport_names = {
        coord["name"] for coord in coordinates if coord["type"] == "airport"
    }
    assert airport_names == {"Heathrow Airport", "Paris Charles de Gaulle Airport"}


def test_get_coordinates_and_routes_adds_unbooked_flight_airports() -> None:
    """Trip list map data should include pins for unbooked flights."""
    trips = [Trip(start=date(2026, 7, 20))]
    unbooked_routes = [
        {
            "type": "unbooked_flight",
            "key": "LHR_Paris_fr",
            "from_iata": "LHR",
            "to_iata": "CDG",
            "from": (51.47, -0.45),
            "to": (49.01, 2.55),
        }
    ]
    airports = {
        "LHR": {
            "name": "Heathrow Airport",
            "latitude": 51.47,
            "longitude": -0.45,
        },
        "CDG": {
            "name": "Paris Charles de Gaulle Airport",
            "latitude": 49.01,
            "longitude": 2.55,
        },
    }

    with app.app_context():
        original_collect_trip_coordinates = agenda.trip.collect_trip_coordinates
        original_get_trip_routes = agenda.trip.get_trip_routes
        original_parse_yaml = agenda.trip.travel.parse_yaml
        try:
            agenda.trip.collect_trip_coordinates = lambda _trip: []
            agenda.trip.get_trip_routes = lambda _trip, _data_dir: unbooked_routes
            agenda.trip.travel.parse_yaml = lambda _name, _data_dir: airports

            coordinates, _routes = agenda.trip.get_coordinates_and_routes(trips)
        finally:
            agenda.trip.collect_trip_coordinates = original_collect_trip_coordinates
            agenda.trip.get_trip_routes = original_get_trip_routes
            agenda.trip.travel.parse_yaml = original_parse_yaml

    airport_names = {
        coord["name"] for coord in coordinates if coord["type"] == "airport"
    }
    assert airport_names == {"Heathrow Airport", "Paris Charles de Gaulle Airport"}


def test_get_trip_routes_assumes_unbooked_paris_trip_is_by_train(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    """Paris conferences without booked travel should show rail, not flight."""
    trip = Trip(
        start=date(2026, 7, 20),
        conferences=[
            {
                "name": "Paris Conf",
                "location": "Paris",
                "country": "fr",
            }
        ],
    )
    stations = [
        {
            "name": "London St Pancras",
            "latitude": 51.531921,
            "longitude": -0.126361,
            "routes": {"Paris Gare du Nord": "London_St_Pancras_to_Paris_Gare_du_Nord"},
        },
        {
            "name": "Paris Gare du Nord",
            "latitude": 48.88111111111111,
            "longitude": 2.355277777777778,
            "routes": {"London St Pancras": "London_St_Pancras_to_Paris_Gare_du_Nord"},
        },
    ]

    def fake_parse_yaml(name: str, data_dir: str) -> object:
        if name == "stations":
            return stations
        if name == "airports":
            return {
                "LHR": {
                    "name": "Heathrow Airport",
                    "latitude": 51.47,
                    "longitude": -0.45,
                },
                "CDG": {
                    "name": "Paris Charles de Gaulle Airport",
                    "city": "Paris",
                    "country": "fr",
                    "latitude": 49.01,
                    "longitude": 2.55,
                },
            }
        raise AssertionError(f"unexpected YAML load: {name}")

    monkeypatch.setattr(agenda.trip.travel, "parse_yaml", fake_parse_yaml)
    monkeypatch.setattr(
        agenda.trip, "load_flight_destination_rules", lambda _data_dir: []
    )

    routes = agenda.trip.get_trip_routes(trip, "/tmp/personal-data")

    assert routes == [
        {
            "type": "train",
            "key": "train_London St Pancras_Paris Gare du Nord",
            "geojson_filename": "train_routes/London_St_Pancras_to_Paris_Gare_du_Nord",
        }
    ]