"""test OAuth2 OpenID Provider flow"""
from time import sleep
from typing import Any, Optional

from docker.types import Healthcheck
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as ec

from authentik.blueprints.tests import apply_blueprint, reconcile_app
from authentik.core.models import Application
from authentik.core.tests.utils import create_test_cert
from authentik.flows.models import Flow
from authentik.lib.generators import generate_id, generate_key
from authentik.policies.expression.models import ExpressionPolicy
from authentik.policies.models import PolicyBinding
from authentik.providers.oauth2.constants import (
    SCOPE_OPENID,
    SCOPE_OPENID_EMAIL,
    SCOPE_OPENID_PROFILE,
)
from authentik.providers.oauth2.models import ClientTypes, OAuth2Provider, ScopeMapping
from tests.e2e.utils import SeleniumTestCase, retry


class TestProviderOAuth2OAuth(SeleniumTestCase):
    """test OAuth with OAuth Provider flow"""

    def setUp(self):
        self.client_id = generate_id()
        self.client_secret = generate_key()
        self.app_slug = generate_id(20)
        super().setUp()

    def get_container_specs(self) -> Optional[dict[str, Any]]:
        return {
            "image": "grafana/grafana:7.1.0",
            "detach": True,
            "auto_remove": True,
            "healthcheck": Healthcheck(
                test=["CMD", "wget", "--spider", "http://localhost:3000"],
                interval=5 * 1_000 * 1_000_000,
                start_period=1 * 1_000 * 1_000_000,
            ),
            "ports": {
                "3000": "3000",
            },
            "environment": {
                "GF_AUTH_GENERIC_OAUTH_ENABLED": "true",
                "GF_AUTH_GENERIC_OAUTH_CLIENT_ID": self.client_id,
                "GF_AUTH_GENERIC_OAUTH_CLIENT_SECRET": self.client_secret,
                "GF_AUTH_GENERIC_OAUTH_SCOPES": "openid email profile",
                "GF_AUTH_GENERIC_OAUTH_AUTH_URL": self.url("authentik_providers_oauth2:authorize"),
                "GF_AUTH_GENERIC_OAUTH_TOKEN_URL": self.url("authentik_providers_oauth2:token"),
                "GF_AUTH_GENERIC_OAUTH_API_URL": self.url("authentik_providers_oauth2:userinfo"),
                "GF_AUTH_SIGNOUT_REDIRECT_URL": self.url(
                    "authentik_providers_oauth2:end-session",
                    application_slug=self.app_slug,
                ),
                "GF_LOG_LEVEL": "debug",
            },
        }

    @retry()
    @apply_blueprint(
        "default/flow-default-authentication-flow.yaml",
        "default/flow-default-invalidation-flow.yaml",
    )
    @apply_blueprint(
        "default/flow-default-provider-authorization-implicit-consent.yaml",
    )
    @apply_blueprint(
        "system/providers-oauth2.yaml",
    )
    @reconcile_app("authentik_crypto")
    def test_redirect_uri_error(self):
        """test OpenID Provider flow (invalid redirect URI, check error message)"""
        sleep(1)
        # Bootstrap all needed objects
        authorization_flow = Flow.objects.get(
            slug="default-provider-authorization-implicit-consent"
        )
        provider = OAuth2Provider.objects.create(
            name="grafana",
            client_type=ClientTypes.CONFIDENTIAL,
            client_id=self.client_id,
            client_secret=self.client_secret,
            signing_key=create_test_cert(),
            redirect_uris="http://localhost:3000/",
            authorization_flow=authorization_flow,
        )
        provider.property_mappings.set(
            ScopeMapping.objects.filter(
                scope_name__in=[SCOPE_OPENID, SCOPE_OPENID_EMAIL, SCOPE_OPENID_PROFILE]
            )
        )
        provider.save()
        Application.objects.create(
            name="Grafana",
            slug=self.app_slug,
            provider=provider,
        )

        self.driver.get("http://localhost:3000")
        self.driver.find_element(By.CLASS_NAME, "btn-service--oauth").click()
        sleep(2)
        self.assertEqual(
            self.driver.find_element(By.CLASS_NAME, "pf-c-title").text,
            "Redirect URI Error",
        )

    @retry()
    @apply_blueprint(
        "default/flow-default-authentication-flow.yaml",
        "default/flow-default-invalidation-flow.yaml",
    )
    @apply_blueprint(
        "default/flow-default-provider-authorization-implicit-consent.yaml",
    )
    @apply_blueprint(
        "system/providers-oauth2.yaml",
    )
    @reconcile_app("authentik_crypto")
    def test_authorization_consent_implied(self):
        """test OpenID Provider flow (default authorization flow with implied consent)"""
        sleep(1)
        # Bootstrap all needed objects
        authorization_flow = Flow.objects.get(
            slug="default-provider-authorization-implicit-consent"
        )
        provider = OAuth2Provider.objects.create(
            name="grafana",
            client_type=ClientTypes.CONFIDENTIAL,
            client_id=self.client_id,
            client_secret=self.client_secret,
            signing_key=create_test_cert(),
            redirect_uris="http://localhost:3000/login/generic_oauth",
            authorization_flow=authorization_flow,
        )
        provider.property_mappings.set(
            ScopeMapping.objects.filter(
                scope_name__in=[SCOPE_OPENID, SCOPE_OPENID_EMAIL, SCOPE_OPENID_PROFILE]
            )
        )
        Application.objects.create(
            name="Grafana",
            slug=self.app_slug,
            provider=provider,
        )

        self.driver.get("http://localhost:3000")
        self.driver.find_element(By.CLASS_NAME, "btn-service--oauth").click()
        self.login()
        self.wait_for_url("http://localhost:3000/?orgId=1")
        self.driver.get("http://localhost:3000/profile")
        self.assertEqual(
            self.driver.find_element(By.CLASS_NAME, "page-header__title").text,
            self.user.name,
        )
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "input[name=name]").get_attribute("value"),
            self.user.name,
        )
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "input[name=email]").get_attribute("value"),
            self.user.email,
        )
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "input[name=login]").get_attribute("value"),
            self.user.email,
        )

    @retry()
    @apply_blueprint(
        "default/flow-default-authentication-flow.yaml",
        "default/flow-default-invalidation-flow.yaml",
    )
    @apply_blueprint(
        "default/flow-default-provider-authorization-implicit-consent.yaml",
    )
    @apply_blueprint(
        "system/providers-oauth2.yaml",
    )
    @reconcile_app("authentik_crypto")
    def test_authorization_logout(self):
        """test OpenID Provider flow with logout"""
        sleep(1)
        # Bootstrap all needed objects
        authorization_flow = Flow.objects.get(
            slug="default-provider-authorization-implicit-consent"
        )
        provider = OAuth2Provider.objects.create(
            name="grafana",
            client_type=ClientTypes.CONFIDENTIAL,
            client_id=self.client_id,
            client_secret=self.client_secret,
            signing_key=create_test_cert(),
            redirect_uris="http://localhost:3000/login/generic_oauth",
            authorization_flow=authorization_flow,
        )
        provider.property_mappings.set(
            ScopeMapping.objects.filter(
                scope_name__in=[SCOPE_OPENID, SCOPE_OPENID_EMAIL, SCOPE_OPENID_PROFILE]
            )
        )
        provider.save()
        Application.objects.create(
            name="Grafana",
            slug=self.app_slug,
            provider=provider,
        )

        self.driver.get("http://localhost:3000")
        self.driver.find_element(By.CLASS_NAME, "btn-service--oauth").click()
        self.login()
        self.wait_for_url("http://localhost:3000/?orgId=1")
        self.driver.get("http://localhost:3000/profile")
        self.assertEqual(
            self.driver.find_element(By.CLASS_NAME, "page-header__title").text,
            self.user.name,
        )
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "input[name=name]").get_attribute("value"),
            self.user.name,
        )
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "input[name=email]").get_attribute("value"),
            self.user.email,
        )
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "input[name=login]").get_attribute("value"),
            self.user.email,
        )
        self.driver.get("http://localhost:3000/logout")
        self.wait_for_url(
            self.url(
                "authentik_core:if-session-end",
                application_slug=self.app_slug,
            )
        )
        self.driver.find_element(By.ID, "logout").click()

    @retry()
    @apply_blueprint(
        "default/flow-default-authentication-flow.yaml",
        "default/flow-default-invalidation-flow.yaml",
    )
    @apply_blueprint(
        "default/flow-default-provider-authorization-explicit-consent.yaml",
    )
    @apply_blueprint(
        "system/providers-oauth2.yaml",
    )
    @reconcile_app("authentik_crypto")
    def test_authorization_consent_explicit(self):
        """test OpenID Provider flow (default authorization flow with explicit consent)"""
        sleep(1)
        # Bootstrap all needed objects
        authorization_flow = Flow.objects.get(
            slug="default-provider-authorization-explicit-consent"
        )
        provider = OAuth2Provider.objects.create(
            name="grafana",
            authorization_flow=authorization_flow,
            client_type=ClientTypes.CONFIDENTIAL,
            client_id=self.client_id,
            client_secret=self.client_secret,
            signing_key=create_test_cert(),
            redirect_uris="http://localhost:3000/login/generic_oauth",
        )
        provider.property_mappings.set(
            ScopeMapping.objects.filter(
                scope_name__in=[SCOPE_OPENID, SCOPE_OPENID_EMAIL, SCOPE_OPENID_PROFILE]
            )
        )
        provider.save()
        app = Application.objects.create(
            name="Grafana",
            slug=self.app_slug,
            provider=provider,
        )

        self.driver.get("http://localhost:3000")
        self.driver.find_element(By.CLASS_NAME, "btn-service--oauth").click()
        self.login()

        self.wait.until(ec.presence_of_element_located((By.CSS_SELECTOR, "ak-flow-executor")))
        sleep(1)

        flow_executor = self.get_shadow_root("ak-flow-executor")
        consent_stage = self.get_shadow_root("ak-stage-consent", flow_executor)

        self.assertIn(
            app.name,
            consent_stage.find_element(By.CSS_SELECTOR, "#header-text").text,
        )
        consent_stage.find_element(
            By.CSS_SELECTOR,
            "[type=submit]",
        ).click()

        self.wait_for_url("http://localhost:3000/?orgId=1")
        self.driver.get("http://localhost:3000/profile")

        self.assertEqual(
            self.driver.find_element(By.CLASS_NAME, "page-header__title").text,
            self.user.name,
        )
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "input[name=name]").get_attribute("value"),
            self.user.name,
        )
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "input[name=email]").get_attribute("value"),
            self.user.email,
        )
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "input[name=login]").get_attribute("value"),
            self.user.email,
        )

    @retry()
    @apply_blueprint(
        "default/flow-default-authentication-flow.yaml",
        "default/flow-default-invalidation-flow.yaml",
    )
    @apply_blueprint(
        "default/flow-default-provider-authorization-explicit-consent.yaml",
    )
    @apply_blueprint(
        "system/providers-oauth2.yaml",
    )
    @reconcile_app("authentik_crypto")
    def test_authorization_denied(self):
        """test OpenID Provider flow (default authorization with access deny)"""
        sleep(1)
        # Bootstrap all needed objects
        authorization_flow = Flow.objects.get(
            slug="default-provider-authorization-explicit-consent"
        )
        provider = OAuth2Provider.objects.create(
            name="grafana",
            authorization_flow=authorization_flow,
            client_type=ClientTypes.CONFIDENTIAL,
            client_id=self.client_id,
            client_secret=self.client_secret,
            signing_key=create_test_cert(),
            redirect_uris="http://localhost:3000/login/generic_oauth",
        )
        provider.property_mappings.set(
            ScopeMapping.objects.filter(
                scope_name__in=[SCOPE_OPENID, SCOPE_OPENID_EMAIL, SCOPE_OPENID_PROFILE]
            )
        )
        provider.save()
        app = Application.objects.create(
            name="Grafana",
            slug=self.app_slug,
            provider=provider,
        )

        negative_policy = ExpressionPolicy.objects.create(
            name="negative-static", expression="return False"
        )
        PolicyBinding.objects.create(target=app, policy=negative_policy, order=0)
        self.driver.get("http://localhost:3000")
        self.driver.find_element(By.CLASS_NAME, "btn-service--oauth").click()
        self.login()

        self.wait.until(ec.presence_of_element_located((By.CSS_SELECTOR, "header > h1")))
        self.assertEqual(
            self.driver.find_element(By.CSS_SELECTOR, "header > h1").text,
            "Permission denied",
        )