"""Proxy and Outpost e2e tests"""
from sys import platform
from time import sleep
from typing import Any, Dict, Optional
from unittest.case import skipUnless

from docker.client import DockerClient, from_env
from docker.models.containers import Container
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from channels.testing import ChannelsLiveServerTestCase

from passbook import __version__
from e2e.utils import USER, SeleniumTestCase
from passbook.core.models import Application
from passbook.flows.models import Flow
from passbook.outposts.models import Outpost, OutpostDeploymentType, OutpostType
from passbook.providers.proxy.models import ProxyProvider


@skipUnless(platform.startswith("linux"), "requires local docker")
class TestProviderProxy(SeleniumTestCase):
    """Proxy and Outpost e2e tests"""

    proxy_container: Container

    def tearDown(self) -> None:
        super().tearDown()
        self.proxy_container.kill()

    def get_container_specs(self) -> Optional[Dict[str, Any]]:
        return {
            "image": "traefik/whoami:latest",
            "detach": True,
            "network_mode": "host",
            "auto_remove": True,
        }

    def start_proxy(self, outpost: Outpost) -> Container:
        """Start proxy container based on outpost created"""
        client: DockerClient = from_env()
        container = client.containers.run(
            image="beryju/passbook-proxy:latest",
            detach=True,
            network_mode="host",
            auto_remove=True,
            environment={
                "PASSBOOK_HOST": self.live_server_url,
                "PASSBOOK_TOKEN": outpost.token.token_uuid.hex,
            },
        )
        return container

    def test_proxy_simple(self):
        """Test simple outpost setup with single provider"""
        proxy: ProxyProvider = ProxyProvider.objects.create(
            name="proxy_provider",
            authorization_flow=Flow.objects.get(
                slug="default-provider-authorization-implicit-consent"
            ),
            internal_host="http://localhost:80",
            external_host="http://localhost:4180",
        )
        # Ensure OAuth2 Params are set
        proxy.set_oauth_defaults()
        proxy.save()
        # we need to create an application to actually access the proxy
        Application.objects.create(name="proxy", slug="proxy", provider=proxy)
        outpost: Outpost = Outpost.objects.create(
            name="proxy_outpost",
            type=OutpostType.PROXY,
            deployment_type=OutpostDeploymentType.CUSTOM,
        )
        outpost.providers.add(proxy)
        outpost.save()

        self.proxy_container = self.start_proxy(outpost)

        # Wait until outpost healthcheck succeeds
        healthcheck_retries = 0
        while healthcheck_retries < 50:
            if outpost.deployment_health:
                break
            healthcheck_retries += 1
            sleep(0.5)

        self.driver.get("http://localhost:4180")

        self.driver.find_element(By.ID, "id_uid_field").click()
        self.driver.find_element(By.ID, "id_uid_field").send_keys(USER().username)
        self.driver.find_element(By.ID, "id_uid_field").send_keys(Keys.ENTER)
        self.driver.find_element(By.ID, "id_password").send_keys(USER().username)
        self.driver.find_element(By.ID, "id_password").send_keys(Keys.ENTER)

        sleep(1)

        full_body_text = self.driver.find_element(By.CSS_SELECTOR, "pre").text
        self.assertIn("X-Forwarded-Preferred-Username: pbadmin", full_body_text)


@skipUnless(platform.startswith("linux"), "requires local docker")
class TestProviderProxyConnect(ChannelsLiveServerTestCase):
    """Test Proxy connectivity over websockets"""

    proxy_container: Container

    def tearDown(self) -> None:
        self.proxy_container.kill()
        super().tearDown()

    def start_proxy(self, outpost: Outpost) -> Container:
        """Start proxy container based on outpost created"""
        client: DockerClient = from_env()
        container = client.containers.run(
            image="beryju/passbook-proxy:latest",
            detach=True,
            network_mode="host",
            auto_remove=True,
            environment={
                "PASSBOOK_HOST": self.live_server_url,
                "PASSBOOK_TOKEN": outpost.token.token_uuid.hex,
            },
        )
        return container

    def test_proxy_connectivity(self):
        SeleniumTestCase().apply_default_data()
        proxy: ProxyProvider = ProxyProvider.objects.create(
            name="proxy_provider",
            authorization_flow=Flow.objects.get(
                slug="default-provider-authorization-implicit-consent"
            ),
            internal_host="http://localhost:80",
            external_host="http://localhost:4180",
        )
        # Ensure OAuth2 Params are set
        proxy.set_oauth_defaults()
        proxy.save()
        # we need to create an application to actually access the proxy
        Application.objects.create(name="proxy", slug="proxy", provider=proxy)
        outpost: Outpost = Outpost.objects.create(
            name="proxy_outpost",
            type=OutpostType.PROXY,
            deployment_type=OutpostDeploymentType.CUSTOM,
        )
        outpost.providers.add(proxy)
        outpost.save()

        self.proxy_container = self.start_proxy(outpost)

        # Wait until outpost healthcheck succeeds
        healthcheck_retries = 0
        while healthcheck_retries < 50:
            if outpost.deployment_health:
                break
            healthcheck_retries += 1
            sleep(0.5)

        self.assertIsNotNone(outpost.deployment_health)
        self.assertEqual(outpost.deployment_version.get("version"), __version__)