from django.conf import settings

# Not at the top of the file because we first need to setup django
from fastapi import FastAPI, Request
from fastapi.middleware.cors import CORSMiddleware
from fastapi.middleware.trustedhost import TrustedHostMiddleware

from .middleware import DjangoDbConnectionCleanupMiddleware
from .exceptions import CustomHttpException
from .msgpack import MsgpackResponse
from .routers.authentication import authentication_router
from .routers.collection import collection_router, item_router
from .routers.member import member_router
from .routers.invitation import invitation_incoming_router, invitation_outgoing_router


def create_application(prefix="", middlewares=[]):
    app = FastAPI(
        title="Etebase",
        description="The Etebase server API documentation",
        externalDocs={
            "url": "https://docs.etebase.com",
            "description": "Docs about the API specifications and clients.",
        }
        # FIXME: version="2.5.0",
    )
    VERSION = "v1"
    BASE_PATH = f"{prefix}/api/{VERSION}"
    COLLECTION_UID_MARKER = "{collection_uid}"
    app.include_router(authentication_router, prefix=f"{BASE_PATH}/authentication", tags=["authentication"])
    app.include_router(collection_router, prefix=f"{BASE_PATH}/collection", tags=["collection"])
    app.include_router(item_router, prefix=f"{BASE_PATH}/collection/{COLLECTION_UID_MARKER}", tags=["item"])
    app.include_router(member_router, prefix=f"{BASE_PATH}/collection/{COLLECTION_UID_MARKER}", tags=["member"])
    app.include_router(
        invitation_incoming_router, prefix=f"{BASE_PATH}/invitation/incoming", tags=["incoming invitation"]
    )
    app.include_router(
        invitation_outgoing_router, prefix=f"{BASE_PATH}/invitation/outgoing", tags=["outgoing invitation"]
    )

    if settings.DEBUG:
        from etebase_fastapi.routers.test_reset_view import test_reset_view_router

        app.include_router(test_reset_view_router, prefix=f"{BASE_PATH}/test/authentication")

    app.add_middleware(DjangoDbConnectionCleanupMiddleware)
    app.add_middleware(
        CORSMiddleware,
        allow_origin_regex="https?://.*",
        allow_credentials=True,
        allow_methods=["*"],
        allow_headers=["*"],
    )
    app.add_middleware(TrustedHostMiddleware, allowed_hosts=settings.ALLOWED_HOSTS)

    for middleware in middlewares:
        app.add_middleware(middleware)

    @app.exception_handler(CustomHttpException)
    async def custom_exception_handler(request: Request, exc: CustomHttpException):
        return MsgpackResponse(status_code=exc.status_code, content=exc.as_dict)

    return app