"""
Test Slinky web interface
"""

from unittest import TestCase, mock

from flask import Flask

from slinky.web import slinky_webapp


class TestWeb(TestCase):
    """
    Class to test Slinky code
    """

    def setUp(self) -> None:
        self.app = Flask(__name__, template_folder="../templates")
        self.app.register_blueprint(slinky_webapp)
        self.app_context = self.app.app_context()
        self.app_context.push()
        self.client = self.app.test_client()

        mock.patch.dict("slinky.web.cfg", {"db": "sqlite:///tests/test.db"}).start()

    def test_simple_redirect(self) -> None:
        """
        Ensure simple redirect works
        """
        response = self.client.get("/egie")
        self.assertEqual(response.status_code, 302)
        self.assertEqual(response.location, "https://example.com")

    def test_fixed_views(self) -> None:
        """
        Ensure depleted fixed views returns a 404
        """
        response = self.client.get("/egig")
        self.assertEqual(response.status_code, 404)

    def test_expiry(self) -> None:
        """
        Ensure expired redirect returns a 404
        """
        response = self.client.get("/egif")
        self.assertEqual(response.status_code, 404)

    def test_no_unique_shortcode(self) -> None:
        """
        Ensure non-unique shortcode generation returns a 500 error
        """
        with mock.patch("slinky.web.random_string", return_value="egie"):
            response = self.client.get(
                "/_/add", headers={"x-forwarded-for": "127.0.0.1"}
            )
        self.assertEqual(response.status_code, 500)

    def test_conflicting_random_string(self) -> None:
        """
        Test the condition where the random_string() returns an existing shortcode
        """
        with mock.patch("slinky.web.random_string", side_effect=["egie", "egiz"]):
            response = self.client.get(
                "/_/add",
                headers={"x-forwarded-for": "127.0.0.1"},
            )
        self.assertEqual(response.status_code, 200)