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')",
        )