import os
from typing import Dict, List, Optional, Tuple

import ldap
from django_auth_ldap.config import LDAPSearch

from zerver.lib.db import TimeTrackingConnection, TimeTrackingCursor
from zproject.settings_types import OIDCIdPConfigDict, SAMLIdPConfigDict, SCIMConfigDict

from .config import DEPLOY_ROOT, get_from_file_if_exists
from .settings import (
    AUTHENTICATION_BACKENDS,
    CACHES,
    DATABASES,
    EXTERNAL_HOST,
    LOCAL_DATABASE_PASSWORD,
    LOGGING,
    MIDDLEWARE,
)

FULL_STACK_ZULIP_TEST = "FULL_STACK_ZULIP_TEST" in os.environ
PUPPETEER_TESTS = "PUPPETEER_TESTS" in os.environ


FAKE_EMAIL_DOMAIN = "zulip.testserver"

# Clear out the REALM_HOSTS set in dev_settings.py
REALM_HOSTS: Dict[str, str] = {}

DATABASES["default"] = {
    "NAME": os.getenv("ZULIP_DB_NAME", "zulip_test"),
    "USER": "zulip_test",
    "PASSWORD": LOCAL_DATABASE_PASSWORD,
    "HOST": "localhost",
    "SCHEMA": "zulip",
    "ENGINE": "django.db.backends.postgresql",
    "TEST_NAME": "django_zulip_tests",
    "OPTIONS": {
        "connection_factory": TimeTrackingConnection,
        "cursor_factory": TimeTrackingCursor,
    },
}


if FULL_STACK_ZULIP_TEST:
    TORNADO_PORTS = [9983]
else:
    # Backend tests don't use tornado
    USING_TORNADO = False
    CAMO_URI = "https://external-content.zulipcdn.net/external_content/"
    CAMO_KEY = "dummy"

if "RUNNING_OPENAPI_CURL_TEST" in os.environ:
    RUNNING_OPENAPI_CURL_TEST = True

if "GENERATE_STRIPE_FIXTURES" in os.environ:
    GENERATE_STRIPE_FIXTURES = True

if "BAN_CONSOLE_OUTPUT" in os.environ:
    BAN_CONSOLE_OUTPUT = True

# Decrease the get_updates timeout to 1 second.
# This allows frontend tests to proceed quickly to the next test step.
EVENT_QUEUE_LONGPOLL_TIMEOUT_SECONDS = 1

# Stores the messages in `django.core.mail.outbox` rather than sending them.
EMAIL_BACKEND = "django.core.mail.backends.locmem.EmailBackend"

# The test suite uses EmailAuthBackend
AUTHENTICATION_BACKENDS += ("zproject.backends.EmailAuthBackend",)

# Configure Google OAuth2
GOOGLE_OAUTH2_CLIENT_ID = "test_client_id"

# Makes testing LDAP backend require less mocking
AUTH_LDAP_ALWAYS_UPDATE_USER = False
AUTH_LDAP_USER_SEARCH = LDAPSearch(
    "ou=users,dc=zulip,dc=com", ldap.SCOPE_ONELEVEL, "(uid=%(user)s)"
)
AUTH_LDAP_USERNAME_ATTR = "uid"
AUTH_LDAP_REVERSE_EMAIL_SEARCH = LDAPSearch(
    "ou=users,dc=zulip,dc=com", ldap.SCOPE_ONELEVEL, "(mail=%(email)s)"
)

TEST_SUITE = True
RATE_LIMITING = False
RATE_LIMITING_AUTHENTICATE = False
# Don't use RabbitMQ from the test suite -- the user_profile_ids for
# any generated queue elements won't match those being used by the
# real app.
USING_RABBITMQ = False

CACHES["database"] = {
    "BACKEND": "django.core.cache.backends.dummy.DummyCache",
    "LOCATION": "zulip-database-test-cache",
    "TIMEOUT": 3600,
    "CONN_MAX_AGE": 600,
    "OPTIONS": {
        "MAX_ENTRIES": 100000,
    },
}

# Disable caching on sessions to make query counts consistent
SESSION_ENGINE = "django.contrib.sessions.backends.db"

# Use production config from Webpack in tests
if PUPPETEER_TESTS:
    WEBPACK_STATS_FILE = os.path.join(DEPLOY_ROOT, "webpack-stats-production.json")
else:
    WEBPACK_STATS_FILE = os.path.join(DEPLOY_ROOT, "var", "webpack-stats-test.json")
WEBPACK_BUNDLES = "webpack-bundles/"

if not PUPPETEER_TESTS:
    # Use local memory cache for backend tests.
    CACHES["default"] = {
        "BACKEND": "django.core.cache.backends.locmem.LocMemCache",
    }

    # Here we set various loggers to be less noisy for unit tests.
    def set_loglevel(logger_name: str, level: str) -> None:
        LOGGING["loggers"].setdefault(logger_name, {})["level"] = level

    set_loglevel("zulip.requests", "CRITICAL")
    set_loglevel("zulip.management", "CRITICAL")
    set_loglevel("zulip.auth", "WARNING")
    set_loglevel("django.request", "ERROR")
    set_loglevel("django_auth_ldap", "WARNING")
    set_loglevel("fakeldap", "ERROR")
    set_loglevel("zulip.send_email", "ERROR")
    set_loglevel("zerver.lib.push_notifications", "WARNING")
    set_loglevel("zerver.lib.digest", "ERROR")
    set_loglevel("zerver.lib.email_mirror", "ERROR")
    set_loglevel("zerver.worker.queue_processors", "WARNING")
    set_loglevel("stripe", "WARNING")

# Enable file:/// hyperlink support by default in tests
ENABLE_FILE_LINKS = True

# This is set dynamically in `zerver/lib/test_runner.py`.
# Allow setting LOCAL_UPLOADS_DIR in the environment so that the
# frontend/API tests in test_server.py can control this.
if "LOCAL_UPLOADS_DIR" in os.environ:
    LOCAL_UPLOADS_DIR = os.getenv("LOCAL_UPLOADS_DIR")
    assert LOCAL_UPLOADS_DIR is not None
    LOCAL_AVATARS_DIR = os.path.join(LOCAL_UPLOADS_DIR, "avatars")
    LOCAL_FILES_DIR = os.path.join(LOCAL_UPLOADS_DIR, "files")
# Otherwise, we use the default value from dev_settings.py

S3_KEY = "test-key"
S3_SECRET_KEY = "test-secret-key"
S3_AUTH_UPLOADS_BUCKET = "test-authed-bucket"
S3_AVATAR_BUCKET = "test-avatar-bucket"

INLINE_URL_EMBED_PREVIEW = False

HOME_NOT_LOGGED_IN = "/login/"
LOGIN_URL = "/accounts/login/"

# By default will not send emails when login occurs.
# Explicitly set this to True within tests that must have this on.
SEND_LOGIN_EMAILS = False

GOOGLE_OAUTH2_CLIENT_ID = "id"
GOOGLE_OAUTH2_CLIENT_SECRET = "secret"

SOCIAL_AUTH_GITHUB_KEY = "key"
SOCIAL_AUTH_GITHUB_SECRET = "secret"
SOCIAL_AUTH_GITLAB_KEY = "key"
SOCIAL_AUTH_GITLAB_SECRET = "secret"
SOCIAL_AUTH_GOOGLE_KEY = "key"
SOCIAL_AUTH_GOOGLE_SECRET = "secret"
SOCIAL_AUTH_SUBDOMAIN = "auth"
SOCIAL_AUTH_APPLE_SERVICES_ID = "com.zulip.chat"
SOCIAL_AUTH_APPLE_APP_ID = "com.zulip.bundle.id"
SOCIAL_AUTH_APPLE_CLIENT = "com.zulip.chat"
SOCIAL_AUTH_APPLE_AUDIENCE = [SOCIAL_AUTH_APPLE_APP_ID, SOCIAL_AUTH_APPLE_SERVICES_ID]
SOCIAL_AUTH_APPLE_KEY = "KEYISKEY"
SOCIAL_AUTH_APPLE_TEAM = "TEAMSTRING"
SOCIAL_AUTH_APPLE_SECRET = get_from_file_if_exists("zerver/tests/fixtures/apple/private_key.pem")


SOCIAL_AUTH_OIDC_ENABLED_IDPS: Dict[str, OIDCIdPConfigDict] = {
    "testoidc": {
        "display_name": "Test OIDC",
        "oidc_url": "https://example.com/api/openid",
        "display_icon": None,
        "client_id": "key",
        "secret": "secret",
    }
}
SOCIAL_AUTH_OIDC_FULL_NAME_VALIDATED = True


VIDEO_ZOOM_CLIENT_ID = "client_id"
VIDEO_ZOOM_CLIENT_SECRET = "client_secret"

BIG_BLUE_BUTTON_SECRET = "123"
BIG_BLUE_BUTTON_URL = "https://bbb.example.com/bigbluebutton/"

# By default two factor authentication is disabled in tests.
# Explicitly set this to True within tests that must have this on.
TWO_FACTOR_AUTHENTICATION_ENABLED = False
PUSH_NOTIFICATION_BOUNCER_URL: Optional[str] = None

# Logging the emails while running the tests adds them
# to /emails page.
DEVELOPMENT_LOG_EMAILS = False

SOCIAL_AUTH_SAML_SP_ENTITY_ID = "http://" + EXTERNAL_HOST
SOCIAL_AUTH_SAML_SP_PUBLIC_CERT = get_from_file_if_exists("zerver/tests/fixtures/saml/zulip.crt")
SOCIAL_AUTH_SAML_SP_PRIVATE_KEY = get_from_file_if_exists("zerver/tests/fixtures/saml/zulip.key")

SOCIAL_AUTH_SAML_ORG_INFO = {
    "en-US": {
        "name": "example",
        "displayname": "Example Inc.",
        "url": "{}{}".format("http://", EXTERNAL_HOST),
    },
}

SOCIAL_AUTH_SAML_TECHNICAL_CONTACT = {
    "givenName": "Tech Gal",
    "emailAddress": "technical@example.com",
}

SOCIAL_AUTH_SAML_SUPPORT_CONTACT = {
    "givenName": "Support Guy",
    "emailAddress": "support@example.com",
}

SOCIAL_AUTH_SAML_ENABLED_IDPS: Dict[str, SAMLIdPConfigDict] = {
    "test_idp": {
        "entity_id": "https://idp.testshib.org/idp/shibboleth",
        "url": "https://idp.testshib.org/idp/profile/SAML2/Redirect/SSO",
        "slo_url": "https://idp.testshib.org/idp/profile/SAML2/Redirect/Logout",
        "sp_initiated_logout_enabled": True,
        "x509cert": get_from_file_if_exists("zerver/tests/fixtures/saml/idp.crt"),
        "attr_user_permanent_id": "email",
        "attr_first_name": "first_name",
        "attr_last_name": "last_name",
        "attr_username": "email",
        "attr_email": "email",
        "display_name": "Test IdP",
    },
}

RATE_LIMITING_RULES: Dict[str, List[Tuple[int, int]]] = {
    "api_by_user": [],
    "api_by_ip": [],
    "api_by_remote_server": [],
    "authenticate_by_username": [],
    "sends_email_by_ip": [],
    "email_change_by_user": [],
    "password_reset_form_by_email": [],
}

FREE_TRIAL_DAYS: Optional[int] = None

SCIM_CONFIG: Dict[str, SCIMConfigDict] = {
    "zulip": {
        "bearer_token": "token1234",
        "scim_client_name": "test-scim-client",
        "name_formatted_included": True,
    }
}


while len(MIDDLEWARE) < 19:
    # The following middleware serves to skip having exactly 17 or 18
    # middlewares, which can segfault Python 3.11 when running with
    # coverage enabled; see
    # https://github.com/python/cpython/issues/106092
    MIDDLEWARE += [
        "zerver.middleware.ZulipNoopMiddleware",
    ]
