"""test SAML Provider flow"""
from time import sleep

from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from structlog import get_logger

from docker import DockerClient, from_env
from docker.models.containers import Container
from docker.types import Healthcheck
from e2e.utils import USER, SeleniumTestCase
from passbook.core.models import Application
from passbook.crypto.models import CertificateKeyPair
from passbook.flows.models import Flow
from passbook.policies.expression.models import ExpressionPolicy
from passbook.policies.models import PolicyBinding
from passbook.providers.saml.models import (
    SAMLBindings,
    SAMLPropertyMapping,
    SAMLProvider,
)

LOGGER = get_logger()


class TestProviderSAML(SeleniumTestCase):
    """test SAML Provider flow"""

    container: Container

    def setup_client(self, provider: SAMLProvider) -> Container:
        """Setup client saml-sp container which we test SAML against"""
        client: DockerClient = from_env()
        container = client.containers.run(
            image="beryju/saml-test-sp",
            detach=True,
            network_mode="host",
            auto_remove=True,
            healthcheck=Healthcheck(
                test=["CMD", "wget", "--spider", "http://localhost:9009/health"],
                interval=5 * 100 * 1000000,
                start_period=1 * 100 * 1000000,
            ),
            environment={
                "SP_ENTITY_ID": provider.issuer,
                "SP_SSO_BINDING": "urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST",
                "SP_METADATA_URL": (
                    self.url(
                        "passbook_providers_saml:metadata",
                        application_slug=provider.application.slug,
                    )
                ),
            },
        )
        while True:
            container.reload()
            status = container.attrs.get("State", {}).get("Health", {}).get("Status")
            if status == "healthy":
                return container
            LOGGER.info("Container failed healthcheck")
            sleep(1)

    def tearDown(self):
        self.container.kill()
        super().tearDown()

    def test_sp_initiated_implicit(self):
        """test SAML Provider flow SP-initiated flow (implicit consent)"""
        # Bootstrap all needed objects
        authorization_flow = Flow.objects.get(
            slug="default-provider-authorization-implicit-consent"
        )
        provider: SAMLProvider = SAMLProvider.objects.create(
            name="saml-test",
            acs_url="http://localhost:9009/saml/acs",
            audience="passbook-e2e",
            issuer="passbook-e2e",
            sp_binding=SAMLBindings.POST,
            authorization_flow=authorization_flow,
            signing_kp=CertificateKeyPair.objects.first(),
        )
        provider.property_mappings.set(SAMLPropertyMapping.objects.all())
        provider.save()
        Application.objects.create(
            name="SAML", slug="passbook-saml", provider=provider,
        )
        self.container = self.setup_client(provider)
        self.driver.get("http://localhost:9009")
        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)
        self.wait_for_url("http://localhost:9009/")
        self.assertEqual(
            self.driver.find_element(By.XPATH, "/html/body/pre").text,
            f"Hello, {USER().name}!",
        )

    def test_sp_initiated_explicit(self):
        """test SAML Provider flow SP-initiated flow (explicit consent)"""
        # Bootstrap all needed objects
        authorization_flow = Flow.objects.get(
            slug="default-provider-authorization-explicit-consent"
        )
        provider: SAMLProvider = SAMLProvider.objects.create(
            name="saml-test",
            acs_url="http://localhost:9009/saml/acs",
            audience="passbook-e2e",
            issuer="passbook-e2e",
            sp_binding=SAMLBindings.POST,
            authorization_flow=authorization_flow,
            signing_kp=CertificateKeyPair.objects.first(),
        )
        provider.property_mappings.set(SAMLPropertyMapping.objects.all())
        provider.save()
        app = Application.objects.create(
            name="SAML", slug="passbook-saml", provider=provider,
        )
        self.container = self.setup_client(provider)
        self.driver.get("http://localhost:9009")
        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)
        self.assertIn(
            app.name,
            self.driver.find_element(
                By.XPATH, "/html/body/div[2]/div/main/div/form/div[2]/p[1]"
            ).text,
        )
        sleep(1)
        self.driver.find_element(By.CSS_SELECTOR, "[type=submit]").click()
        self.wait_for_url("http://localhost:9009/")
        self.assertEqual(
            self.driver.find_element(By.XPATH, "/html/body/pre").text,
            f"Hello, {USER().name}!",
        )

    def test_idp_initiated_implicit(self):
        """test SAML Provider flow IdP-initiated flow (implicit consent)"""
        # Bootstrap all needed objects
        authorization_flow = Flow.objects.get(
            slug="default-provider-authorization-implicit-consent"
        )
        provider: SAMLProvider = SAMLProvider.objects.create(
            name="saml-test",
            acs_url="http://localhost:9009/saml/acs",
            audience="passbook-e2e",
            issuer="passbook-e2e",
            sp_binding=SAMLBindings.POST,
            authorization_flow=authorization_flow,
            signing_kp=CertificateKeyPair.objects.first(),
        )
        provider.property_mappings.set(SAMLPropertyMapping.objects.all())
        provider.save()
        Application.objects.create(
            name="SAML", slug="passbook-saml", provider=provider,
        )
        self.container = self.setup_client(provider)
        self.driver.get(
            self.url(
                "passbook_providers_saml:sso-init",
                application_slug=provider.application.slug,
            )
        )
        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)
        self.wait_for_url("http://localhost:9009/")
        self.assertEqual(
            self.driver.find_element(By.XPATH, "/html/body/pre").text,
            f"Hello, {USER().name}!",
        )

    def test_sp_initiated_denied(self):
        """test SAML Provider flow SP-initiated flow (Policy denies access)"""
        # Bootstrap all needed objects
        authorization_flow = Flow.objects.get(
            slug="default-provider-authorization-implicit-consent"
        )
        negative_policy = ExpressionPolicy.objects.create(
            name="negative-static", expression="return False"
        )
        provider: SAMLProvider = SAMLProvider.objects.create(
            name="saml-test",
            acs_url="http://localhost:9009/saml/acs",
            audience="passbook-e2e",
            issuer="passbook-e2e",
            sp_binding=SAMLBindings.POST,
            authorization_flow=authorization_flow,
            signing_kp=CertificateKeyPair.objects.first(),
        )
        provider.property_mappings.set(SAMLPropertyMapping.objects.all())
        provider.save()
        app = Application.objects.create(
            name="SAML", slug="passbook-saml", provider=provider,
        )
        PolicyBinding.objects.create(target=app, policy=negative_policy, order=0)
        self.container = self.setup_client(provider)
        self.driver.get("http://localhost:9009/")
        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)
        self.wait_for_url(self.url("passbook_flows:denied"))
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "header > h1").text,
            "Permission denied",
        )