# SPDX-License-Identifier: GPL-3.0-or-later
#
# This file is part of Nominatim. (https://nominatim.org)
#
# Copyright (C) 2023 by the Nominatim developer community.
# For a full list of authors see the git log.
"""
Tests for reverse API call.

These tests make sure that all Python code is correct and executable.
Functional tests can be found in the BDD test suite.
"""
import json

import pytest

import nominatim.api as napi

def test_reverse_rank_30(apiobj):
    apiobj.add_placex(place_id=223, class_='place', type='house',
                      housenumber='1',
                      centroid=(1.3, 0.7),
                      geometry='POINT(1.3 0.7)')

    result = apiobj.api.reverse((1.3, 0.7))

    assert result is not None
    assert result.place_id == 223


@pytest.mark.parametrize('country', ['de', 'us'])
def test_reverse_street(apiobj, country):
    apiobj.add_placex(place_id=990, class_='highway', type='service',
                      rank_search=27, rank_address=27,
                      name = {'name': 'My Street'},
                      centroid=(10.0, 10.0),
                      country_code=country,
                      geometry='LINESTRING(9.995 10, 10.005 10)')

    assert apiobj.api.reverse((9.995, 10)).place_id == 990


def test_reverse_ignore_unindexed(apiobj):
    apiobj.add_placex(place_id=223, class_='place', type='house',
                      housenumber='1',
                      indexed_status=2,
                      centroid=(1.3, 0.7),
                      geometry='POINT(1.3 0.7)')

    result = apiobj.api.reverse((1.3, 0.7))

    assert result is None


@pytest.mark.parametrize('y,layer,place_id', [(0.7, napi.DataLayer.ADDRESS, 223),
                                              (0.70001, napi.DataLayer.POI, 224),
                                              (0.7, napi.DataLayer.ADDRESS | napi.DataLayer.POI, 224),
                                              (0.70001, napi.DataLayer.ADDRESS | napi.DataLayer.POI, 223),
                                              (0.7, napi.DataLayer.MANMADE, 225),
                                              (0.7, napi.DataLayer.RAILWAY, 226),
                                              (0.7, napi.DataLayer.NATURAL, 227),
                                              (0.70003, napi.DataLayer.MANMADE | napi.DataLayer.RAILWAY, 225),
                                              (0.70003, napi.DataLayer.MANMADE | napi.DataLayer.NATURAL, 225)])
def test_reverse_rank_30_layers(apiobj, y, layer, place_id):
    apiobj.add_placex(place_id=223, class_='place', type='house',
                      housenumber='1',
                      rank_address=30,
                      rank_search=30,
                      centroid=(1.3, 0.70001))
    apiobj.add_placex(place_id=224, class_='amenity', type='toilet',
                      rank_address=30,
                      rank_search=30,
                      centroid=(1.3, 0.7))
    apiobj.add_placex(place_id=225, class_='man_made', type='tower',
                      rank_address=0,
                      rank_search=30,
                      centroid=(1.3, 0.70003))
    apiobj.add_placex(place_id=226, class_='railway', type='station',
                      rank_address=0,
                      rank_search=30,
                      centroid=(1.3, 0.70004))
    apiobj.add_placex(place_id=227, class_='natural', type='cave',
                      rank_address=0,
                      rank_search=30,
                      centroid=(1.3, 0.70005))

    assert apiobj.api.reverse((1.3, y), layers=layer).place_id == place_id


def test_reverse_poi_layer_with_no_pois(apiobj):
    apiobj.add_placex(place_id=223, class_='place', type='house',
                      housenumber='1',
                      rank_address=30,
                      rank_search=30,
                      centroid=(1.3, 0.70001))

    assert apiobj.api.reverse((1.3, 0.70001), max_rank=29,
                              layers=napi.DataLayer.POI) is None


def test_reverse_housenumber_on_street(apiobj):
    apiobj.add_placex(place_id=990, class_='highway', type='service',
                      rank_search=27, rank_address=27,
                      name = {'name': 'My Street'},
                      centroid=(10.0, 10.0),
                      geometry='LINESTRING(9.995 10, 10.005 10)')
    apiobj.add_placex(place_id=991, class_='place', type='house',
                      parent_place_id=990,
                      rank_search=30, rank_address=30,
                      housenumber='23',
                      centroid=(10.0, 10.00001))

    assert apiobj.api.reverse((10.0, 10.0), max_rank=30).place_id == 991
    assert apiobj.api.reverse((10.0, 10.0), max_rank=27).place_id == 990
    assert apiobj.api.reverse((10.0, 10.00001), max_rank=30).place_id == 991


def test_reverse_housenumber_interpolation(apiobj):
    apiobj.add_placex(place_id=990, class_='highway', type='service',
                      rank_search=27, rank_address=27,
                      name = {'name': 'My Street'},
                      centroid=(10.0, 10.0),
                      geometry='LINESTRING(9.995 10, 10.005 10)')
    apiobj.add_placex(place_id=991, class_='place', type='house',
                      parent_place_id=990,
                      rank_search=30, rank_address=30,
                      housenumber='23',
                      centroid=(10.0, 10.00002))
    apiobj.add_osmline(place_id=992,
                       parent_place_id=990,
                       startnumber=1, endnumber=3, step=1,
                       centroid=(10.0, 10.00001),
                       geometry='LINESTRING(9.995 10.00001, 10.005 10.00001)')

    assert apiobj.api.reverse((10.0, 10.0)).place_id == 992


def test_reverse_housenumber_point_interpolation(apiobj):
    apiobj.add_placex(place_id=990, class_='highway', type='service',
                      rank_search=27, rank_address=27,
                      name = {'name': 'My Street'},
                      centroid=(10.0, 10.0),
                      geometry='LINESTRING(9.995 10, 10.005 10)')
    apiobj.add_osmline(place_id=992,
                       parent_place_id=990,
                       startnumber=42, endnumber=42, step=1,
                       centroid=(10.0, 10.00001),
                       geometry='POINT(10.0 10.00001)')

    res = apiobj.api.reverse((10.0, 10.0))
    assert res.place_id == 992
    assert res.housenumber == '42'


def test_reverse_tiger_number(apiobj):
    apiobj.add_placex(place_id=990, class_='highway', type='service',
                      rank_search=27, rank_address=27,
                      name = {'name': 'My Street'},
                      centroid=(10.0, 10.0),
                      country_code='us',
                      geometry='LINESTRING(9.995 10, 10.005 10)')
    apiobj.add_tiger(place_id=992,
                     parent_place_id=990,
                     startnumber=1, endnumber=3, step=1,
                     centroid=(10.0, 10.00001),
                     geometry='LINESTRING(9.995 10.00001, 10.005 10.00001)')

    assert apiobj.api.reverse((10.0, 10.0)).place_id == 992
    assert apiobj.api.reverse((10.0, 10.00001)).place_id == 992


def test_reverse_point_tiger(apiobj):
    apiobj.add_placex(place_id=990, class_='highway', type='service',
                      rank_search=27, rank_address=27,
                      name = {'name': 'My Street'},
                      centroid=(10.0, 10.0),
                      country_code='us',
                      geometry='LINESTRING(9.995 10, 10.005 10)')
    apiobj.add_tiger(place_id=992,
                     parent_place_id=990,
                     startnumber=1, endnumber=1, step=1,
                     centroid=(10.0, 10.00001),
                     geometry='POINT(10.0 10.00001)')

    res = apiobj.api.reverse((10.0, 10.0))
    assert res.place_id == 992
    assert res.housenumber == '1'


def test_reverse_low_zoom_address(apiobj):
    apiobj.add_placex(place_id=1001, class_='place', type='house',
                      housenumber='1',
                      rank_address=30,
                      rank_search=30,
                      centroid=(59.3, 80.70001))
    apiobj.add_placex(place_id=1002, class_='place', type='town',
                      name={'name': 'Town'},
                      rank_address=16,
                      rank_search=16,
                      centroid=(59.3, 80.70001),
                      geometry="""POLYGON((59.3 80.70001, 59.3001 80.70001,
                                        59.3001 80.70101, 59.3 80.70101, 59.3 80.70001))""")

    assert apiobj.api.reverse((59.30005, 80.7005)).place_id == 1001
    assert apiobj.api.reverse((59.30005, 80.7005), max_rank=18).place_id == 1002


def test_reverse_place_node_in_area(apiobj):
    apiobj.add_placex(place_id=1002, class_='place', type='town',
                      name={'name': 'Town Area'},
                      rank_address=16,
                      rank_search=16,
                      centroid=(59.3, 80.70001),
                      geometry="""POLYGON((59.3 80.70001, 59.3001 80.70001,
                                        59.3001 80.70101, 59.3 80.70101, 59.3 80.70001))""")
    apiobj.add_placex(place_id=1003, class_='place', type='suburb',
                      name={'name': 'Suburb Point'},
                      osm_type='N',
                      rank_address=18,
                      rank_search=18,
                      centroid=(59.30004, 80.70055))

    assert apiobj.api.reverse((59.30004, 80.70055)).place_id == 1003


@pytest.mark.parametrize('layer,place_id', [(napi.DataLayer.MANMADE, 225),
                                            (napi.DataLayer.RAILWAY, 226),
                                            (napi.DataLayer.NATURAL, 227),
                                            (napi.DataLayer.MANMADE | napi.DataLayer.RAILWAY, 225),
                                            (napi.DataLayer.MANMADE | napi.DataLayer.NATURAL, 225)])
def test_reverse_larger_area_layers(apiobj, layer, place_id):
    apiobj.add_placex(place_id=225, class_='man_made', type='dam',
                      name={'name': 'Dam'},
                      rank_address=0,
                      rank_search=25,
                      centroid=(1.3, 0.70003))
    apiobj.add_placex(place_id=226, class_='railway', type='yard',
                      name={'name': 'Dam'},
                      rank_address=0,
                      rank_search=20,
                      centroid=(1.3, 0.70004))
    apiobj.add_placex(place_id=227, class_='natural', type='spring',
                      name={'name': 'Dam'},
                      rank_address=0,
                      rank_search=16,
                      centroid=(1.3, 0.70005))

    assert apiobj.api.reverse((1.3, 0.7), layers=layer).place_id == place_id


def test_reverse_country_lookup_no_objects(apiobj):
    apiobj.add_country('xx', 'POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))')

    assert apiobj.api.reverse((0.5, 0.5)) is None


@pytest.mark.parametrize('rank', [4, 30])
def test_reverse_country_lookup_country_only(apiobj, rank):
    apiobj.add_country('xx', 'POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))')
    apiobj.add_placex(place_id=225, class_='place', type='country',
                      name={'name': 'My Country'},
                      rank_address=4,
                      rank_search=4,
                      country_code='xx',
                      centroid=(0.7, 0.7))

    assert apiobj.api.reverse((0.5, 0.5), max_rank=rank).place_id == 225


def test_reverse_country_lookup_place_node_inside(apiobj):
    apiobj.add_country('xx', 'POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))')
    apiobj.add_placex(place_id=225, class_='place', type='state',
                      osm_type='N',
                      name={'name': 'My State'},
                      rank_address=6,
                      rank_search=6,
                      country_code='xx',
                      centroid=(0.5, 0.505))

    assert apiobj.api.reverse((0.5, 0.5)).place_id == 225


@pytest.mark.parametrize('gtype', list(napi.GeometryFormat))
def test_reverse_geometry_output_placex(apiobj, gtype):
    apiobj.add_country('xx', 'POLYGON((0 0, 0 1, 1 1, 1 0, 0 0))')
    apiobj.add_placex(place_id=1001, class_='place', type='house',
                      housenumber='1',
                      rank_address=30,
                      rank_search=30,
                      centroid=(59.3, 80.70001))
    apiobj.add_placex(place_id=1003, class_='place', type='suburb',
                      name={'name': 'Suburb Point'},
                      osm_type='N',
                      rank_address=18,
                      rank_search=18,
                      country_code='xx',
                      centroid=(0.5, 0.5))

    assert apiobj.api.reverse((59.3, 80.70001), geometry_output=gtype).place_id == 1001
    assert apiobj.api.reverse((0.5, 0.5), geometry_output=gtype).place_id == 1003


def test_reverse_simplified_geometry(apiobj):
    apiobj.add_placex(place_id=1001, class_='place', type='house',
                      housenumber='1',
                      rank_address=30,
                      rank_search=30,
                      centroid=(59.3, 80.70001))

    details = dict(geometry_output=napi.GeometryFormat.GEOJSON,
                   geometry_simplification=0.1)
    assert apiobj.api.reverse((59.3, 80.70001), **details).place_id == 1001


def test_reverse_interpolation_geometry(apiobj):
    apiobj.add_osmline(place_id=992,
                       parent_place_id=990,
                       startnumber=1, endnumber=3, step=1,
                       centroid=(10.0, 10.00001),
                       geometry='LINESTRING(9.995 10.00001, 10.005 10.00001)')

    assert apiobj.api.reverse((10.0, 10.0), geometry_output=napi.GeometryFormat.TEXT)\
                     .geometry['text'] == 'POINT(10 10.00001)'


def test_reverse_tiger_geometry(apiobj):
    apiobj.add_placex(place_id=990, class_='highway', type='service',
                      rank_search=27, rank_address=27,
                      name = {'name': 'My Street'},
                      centroid=(10.0, 10.0),
                      country_code='us',
                      geometry='LINESTRING(9.995 10, 10.005 10)')
    apiobj.add_tiger(place_id=992,
                     parent_place_id=990,
                     startnumber=1, endnumber=3, step=1,
                     centroid=(10.0, 10.00001),
                     geometry='LINESTRING(9.995 10.00001, 10.005 10.00001)')

    output = apiobj.api.reverse((10.0, 10.0),
                                geometry_output=napi.GeometryFormat.GEOJSON).geometry['geojson']

    assert json.loads(output) == {'coordinates': [10, 10.00001], 'type': 'Point'}

