from graphql import GraphQLResolveInfo

from auth.authenticate import login_required
from auth.authorize import Authorize
from auth.identity import Identity
from auth.password import Password
from auth.validations import CreateUser
from orm import User
from orm.base import global_session
from resolvers.base import mutation, query

from settings import JWT_AUTH_HEADER

@mutation.field("registerUser")
async def register(*_, input: dict = None) -> User:
	create_user = CreateUser(**input)
	create_user.password = Password.encode(create_user.password)
	return User.create(**create_user.dict())


@query.field("signIn")
async def sign_in(_, info: GraphQLResolveInfo, email: str, password: str):
	orm_user = global_session.query(User).filter(User.email == email).first()
	if orm_user is None:
		return {"status" : False, "error" : "invalid email"}

	try:
		device = info.context["request"].headers['device']
	except KeyError:
		device = "pc"
	auto_delete = False if device == "mobile" else True
	user = Identity.identity(user_id=orm_user.id, password=password)
	token = await Authorize.authorize(user, device=device, auto_delete=auto_delete)
	return {"status" : True, "token" : token}


@query.field("signOut")
@login_required
async def sign_out(_, info: GraphQLResolveInfo):
	token = info.context["request"].headers[JWT_AUTH_HEADER]
	status = await Authorize.revoke(token)
	return {"status" : status}


@query.field("getCurrentUser")
@login_required
async def get_user(_, info):
	auth = info.context["request"].auth
	user_id = auth.user_id
	return global_session.query(User).filter(User.id == user_id).first()

@query.field("isEmailFree")
async def is_email_free(_, info, email):
	user = global_session.query(User).filter(User.email == email).first()
	return user is None