"""
Test Slinky web interface
"""

from unittest import TestCase, mock

from flask import Flask
from flask_bootstrap import Bootstrap  # type: ignore[import]
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()

        Bootstrap(self.app)

        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)