from urllib.parse import urljoin

from django.conf import settings

from django.template import TemplateSyntaxError

from django.templatetags.static import StaticNode

from django.test import SimpleTestCase, override_settings

from ..utils import setup

@override_settings(INSTALLED_APPS=[], MEDIA_URL="media/", STATIC_URL="static/")

class StaticTagTests(SimpleTestCase):

    libraries = {"static": "django.templatetags.static"}

    @setup({"static-prefixtag01": "{% load static %}{% get_static_prefix %}"})

    def test_static_prefixtag01(self):

        output = self.engine.render_to_string("static-prefixtag01")

        self.assertEqual(output, settings.STATIC_URL)

    @setup(

        {

            "static-prefixtag02": "{% load static %}"

            "{% get_static_prefix as static_prefix %}{{ static_prefix }}"

        }

    )

    def test_static_prefixtag02(self):

        output = self.engine.render_to_string("static-prefixtag02")

        self.assertEqual(output, settings.STATIC_URL)

    @setup({"static-prefixtag03": "{% load static %}{% get_media_prefix %}"})

    def test_static_prefixtag03(self):

        output = self.engine.render_to_string("static-prefixtag03")

        self.assertEqual(output, settings.MEDIA_URL)

    @setup(

        {

            "static-prefixtag04": "{% load static %}"

            "{% get_media_prefix as media_prefix %}{{ media_prefix }}"

        }

    )

    def test_static_prefixtag04(self):

        output = self.engine.render_to_string("static-prefixtag04")

        self.assertEqual(output, settings.MEDIA_URL)

    @setup(

        {

            "t": (

                "{% load static %}{% get_media_prefix ad media_prefix %}"

                "{{ media_prefix }}"

            )

        }

    )

    def test_static_prefixtag_without_as(self):

        msg = "First argument in 'get_media_prefix' must be 'as'"

        with self.assertRaisesMessage(TemplateSyntaxError, msg):

            self.engine.render_to_string("t")

    @setup({"static-statictag01": '{% load static %}{% static "admin/base.css" %}'})

    def test_static_statictag01(self):

        output = self.engine.render_to_string("static-statictag01")

        self.assertEqual(output, urljoin(settings.STATIC_URL, "admin/base.css"))

    @setup({"static-statictag02": "{% load static %}{% static base_css %}"})

    def test_static_statictag02(self):

        output = self.engine.render_to_string(

            "static-statictag02", {"base_css": "admin/base.css"}

        )

        self.assertEqual(output, urljoin(settings.STATIC_URL, "admin/base.css"))

    @setup(

        {

            "static-statictag03": (

                '{% load static %}{% static "admin/base.css" as foo %}{{ foo }}'

            )

        }

    )

    def test_static_statictag03(self):

        output = self.engine.render_to_string("static-statictag03")

        self.assertEqual(output, urljoin(settings.STATIC_URL, "admin/base.css"))

    @setup(

        {"static-statictag04": "{% load static %}{% static base_css as foo %}{{ foo }}"}

    )

    def test_static_statictag04(self):

        output = self.engine.render_to_string(

            "static-statictag04", {"base_css": "admin/base.css"}

        )

        self.assertEqual(output, urljoin(settings.STATIC_URL, "admin/base.css"))

    @setup(

        {

            "static-statictag05": (

                '{% load static %}{% static "special?chars&quoted.html" %}'

            )

        }

    )

    def test_static_quotes_urls(self):

        output = self.engine.render_to_string("static-statictag05")

        self.assertEqual(

            output,

            urljoin(settings.STATIC_URL, "/static/special%3Fchars%26quoted.html"),

        )

    @setup({"t": "{% load static %}{% static %}"})

    def test_static_statictag_without_path(self):

        msg = "'static' takes at least one argument (path to file)"

        with self.assertRaisesMessage(TemplateSyntaxError, msg):

            self.engine.render_to_string("t")

class StaticNodeTests(SimpleTestCase):

    def test_repr(self):

        static_node = StaticNode(varname="named-var", path="named-path")

        self.assertEqual(

            repr(static_node),

            "StaticNode(varname='named-var', path='named-path')",

        )

        static_node = StaticNode(path="named-path")

        self.assertEqual(

            repr(static_node),

            "StaticNode(varname=None, path='named-path')",

        )