from django.contrib.gis import admin

from django.contrib.gis.geos import Point

from django.test import SimpleTestCase, ignore_warnings, override_settings

from django.utils.deprecation import RemovedInDjango50Warning

from .admin import UnmodifiableAdmin

from .models import City, site

@ignore_warnings(category=RemovedInDjango50Warning)

@override_settings(ROOT_URLCONF="django.contrib.gis.tests.geoadmin.urls")

class GeoAdminTest(SimpleTestCase):

    def test_ensure_geographic_media(self):

        geoadmin = site._registry[City]

        admin_js = geoadmin.media.render_js()

        self.assertTrue(any(geoadmin.openlayers_url in js for js in admin_js))

    def test_olmap_OSM_rendering(self):

        delete_all_btn = (

            '<a href="javascript:geodjango_point.clearFeatures()">Delete all Features'

            "</a>"

        )

        original_geoadmin = site._registry[City]

        params = original_geoadmin.get_map_widget(City._meta.get_field("point")).params

        result = original_geoadmin.get_map_widget(

            City._meta.get_field("point")

        )().render("point", Point(-79.460734, 40.18476), params)

        self.assertIn(

            "geodjango_point.layers.base = "

            'new OpenLayers.Layer.OSM("OpenStreetMap (Mapnik)");',

            result,

        )

        self.assertIn(delete_all_btn, result)

        site.unregister(City)

        site.register(City, UnmodifiableAdmin)

        try:

            geoadmin = site._registry[City]

            params = geoadmin.get_map_widget(City._meta.get_field("point")).params

            result = geoadmin.get_map_widget(City._meta.get_field("point"))().render(

                "point", Point(-79.460734, 40.18476), params

            )

            self.assertNotIn(delete_all_btn, result)

        finally:

            site.unregister(City)

            site.register(City, original_geoadmin.__class__)

    def test_olmap_WMS_rendering(self):

        geoadmin = admin.GeoModelAdmin(City, site)

        result = geoadmin.get_map_widget(City._meta.get_field("point"))().render(

            "point", Point(-79.460734, 40.18476)

        )

        self.assertIn(

            'geodjango_point.layers.base = new OpenLayers.Layer.WMS("OpenLayers WMS", '

            '"http://vmap0.tiles.osgeo.org/wms/vmap0", '

            "{layers: 'basic', format: 'image/jpeg'});",

            result,

        )

    def test_olwidget_has_changed(self):

        """

        Changes are accurately noticed by OpenLayersWidget.

        """

        geoadmin = site._registry[City]

        form = geoadmin.get_changelist_form(None)()

        has_changed = form.fields["point"].has_changed

        initial = Point(13.4197458572965953, 52.5194108501149799, srid=4326)

        data_same = "SRID=3857;POINT(1493879.2754093995 6894592.019687599)"

        data_almost_same = "SRID=3857;POINT(1493879.2754093990 6894592.019687590)"

        data_changed = "SRID=3857;POINT(1493884.0527237 6894593.8111804)"

        self.assertTrue(has_changed(None, data_changed))

        self.assertTrue(has_changed(initial, ""))

        self.assertFalse(has_changed(None, ""))

        self.assertFalse(has_changed(initial, data_same))

        self.assertFalse(has_changed(initial, data_almost_same))

        self.assertTrue(has_changed(initial, data_changed))

    def test_olwidget_empty_string(self):

        geoadmin = site._registry[City]

        form = geoadmin.get_changelist_form(None)({"point": ""})

        with self.assertNoLogs("django.contrib.gis", "ERROR"):

            output = str(form["point"])

        self.assertInHTML(

            '<textarea id="id_point" class="vWKTField required" cols="150"'

            ' rows="10" name="point"></textarea>',

            output,

        )

    def test_olwidget_invalid_string(self):

        geoadmin = site._registry[City]

        form = geoadmin.get_changelist_form(None)({"point": "INVALID()"})

        with self.assertLogs("django.contrib.gis", "ERROR") as cm:

            output = str(form["point"])

        self.assertInHTML(

            '<textarea id="id_point" class="vWKTField required" cols="150"'

            ' rows="10" name="point"></textarea>',

            output,

        )

        self.assertEqual(len(cm.records), 1)

        self.assertEqual(

            cm.records[0].getMessage(),

            "Error creating geometry from value 'INVALID()' (String input "

            "unrecognized as WKT EWKT, and HEXEWKB.)",

        )

class DeprecationTests(SimpleTestCase):

    def test_warning(self):

        class DeprecatedOSMGeoAdmin(admin.OSMGeoAdmin):

            pass

        class DeprecatedGeoModelAdmin(admin.GeoModelAdmin):

            pass

        msg = (

            "django.contrib.gis.admin.GeoModelAdmin and OSMGeoAdmin are "

            "deprecated in favor of django.contrib.admin.ModelAdmin and "

            "django.contrib.gis.admin.GISModelAdmin."

        )

        with self.assertRaisesMessage(RemovedInDjango50Warning, msg):

            DeprecatedOSMGeoAdmin(City, site)

        with self.assertRaisesMessage(RemovedInDjango50Warning, msg):

            DeprecatedGeoModelAdmin(City, site)

    def test_openlayerswidget_warning(self):

        msg = "django.contrib.gis.admin.OpenLayersWidget is deprecated."

        with self.assertRaisesMessage(RemovedInDjango50Warning, msg):

            admin.OpenLayersWidget()