# =================================================================
#
# Authors: Tom Kralidis <tomkralidis@gmail.com>
#
# Copyright (c) 2021 Tom Kralidis
#
# Permission is hereby granted, free of charge, to any person
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# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
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# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# =================================================================

import pytest

from pygeoapi.provider.base import ProviderItemNotFoundError
from pygeoapi.provider.csv_ import CSVProvider

from .util import get_test_file_path

path = get_test_file_path('data/obs.csv')
stations_path = get_test_file_path('data/station_list.csv')


@pytest.fixture()
def config():
    return {
        'name': 'CSV',
        'type': 'feature',
        'data': path,
        'id_field': 'id',
        'geometry': {
            'x_field': 'long',
            'y_field': 'lat'
        }
    }


@pytest.fixture()
def station_config():
    return {
        'name': 'CSV',
        'type': 'feature',
        'data': stations_path,
        'id_field': 'wigos_station_identifier',
        'geometry': {
            'x_field': 'longitude',
            'y_field': 'latitude'
        }
    }


def test_query(config):
    p = CSVProvider(config)

    fields = p.get_fields()
    assert len(fields) == 4
    assert fields['value']['type'] == 'number'
    assert fields['stn_id']['type'] == 'integer'

    results = p.query()
    assert len(results['features']) == 5
    assert results['numberMatched'] == 5
    assert results['numberReturned'] == 5
    assert results['features'][0]['id'] == '371'
    assert results['features'][0]['properties']['value'] == 89.9

    assert results['features'][0]['geometry']['coordinates'][0] == -75.0
    assert results['features'][0]['geometry']['coordinates'][1] == 45.0

    results = p.query(limit=1)
    assert len(results['features']) == 1
    assert results['features'][0]['id'] == '371'

    results = p.query(offset=2, limit=1)
    assert len(results['features']) == 1
    assert results['features'][0]['id'] == '238'

    assert len(results['features'][0]['properties']) == 3

    results = p.query(select_properties=['value'])
    assert len(results['features'][0]['properties']) == 1

    results = p.query(select_properties=['value', 'stn_id'])
    assert len(results['features'][0]['properties']) == 2

    results = p.query(skip_geometry=True)
    assert results['features'][0]['geometry'] is None

    results = p.query(properties=[('stn_id', '35')])
    assert len(results['features']) == 2
    assert results['numberMatched'] == 2
    assert results['numberReturned'] == 2

    results = p.query(properties=[('stn_id', '35'), ('value', '93.9')])
    assert len(results['features']) == 1

    config['properties'] = ['value', 'stn_id']
    p = CSVProvider(config)
    results = p.query()
    assert len(results['features'][0]['properties']) == 2


def test_get(config):
    p = CSVProvider(config)

    result = p.get('964')
    assert result['id'] == '964'
    assert result['properties']['value'] == 99.9


def test_get_not_existing_item_raise_exception(config):
    """Testing query for a not existing object"""
    p = CSVProvider(config)
    with pytest.raises(ProviderItemNotFoundError):
        p.get('404')


def test_get_station(station_config):
    p = CSVProvider(station_config)

    results = p.query(limit=20)
    assert len(results['features']) == 20
    assert results['numberMatched'] == 79
    assert results['numberReturned'] == 20

    result = p.get('0-20000-0-16337')
    assert result['properties']['station_name'] == 'BONIFATI (16337-0)'

    result = p.get('0-454-2-AWSNAMITAMBO')
    assert result['properties']['station_name'] == 'NAMITAMBO'