import base64
import datetime
import secrets

from flask_restful import Resource, reqparse

from constants.languages import supported_language
from controllers.console import api
from controllers.console.error import AlreadyActivateError
from extensions.ext_database import db
from libs.helper import email, str_len, timezone
from libs.password import hash_password, valid_password
from models.account import AccountStatus
from services.account_service import RegisterService


class ActivateCheckApi(Resource):
    def get(self):
        parser = reqparse.RequestParser()
        parser.add_argument("workspace_id", type=str, required=False, nullable=True, location="args")
        parser.add_argument("email", type=email, required=False, nullable=True, location="args")
        parser.add_argument("token", type=str, required=True, nullable=False, location="args")
        args = parser.parse_args()

        workspaceId = args["workspace_id"]
        reg_email = args["email"]
        token = args["token"]

        invitation = RegisterService.get_invitation_if_token_valid(workspaceId, reg_email, token)

        return {"is_valid": invitation is not None, "workspace_name": invitation["tenant"].name if invitation else None}


class ActivateApi(Resource):
    def post(self):
        parser = reqparse.RequestParser()
        parser.add_argument("workspace_id", type=str, required=False, nullable=True, location="json")
        parser.add_argument("email", type=email, required=False, nullable=True, location="json")
        parser.add_argument("token", type=str, required=True, nullable=False, location="json")
        parser.add_argument("name", type=str_len(30), required=True, nullable=False, location="json")
        parser.add_argument("password", type=valid_password, required=True, nullable=False, location="json")
        parser.add_argument(
            "interface_language", type=supported_language, required=True, nullable=False, location="json"
        )
        parser.add_argument("timezone", type=timezone, required=True, nullable=False, location="json")
        args = parser.parse_args()

        invitation = RegisterService.get_invitation_if_token_valid(args["workspace_id"], args["email"], args["token"])
        if invitation is None:
            raise AlreadyActivateError()

        RegisterService.revoke_token(args["workspace_id"], args["email"], args["token"])

        account = invitation["account"]
        account.name = args["name"]

        # generate password salt
        salt = secrets.token_bytes(16)
        base64_salt = base64.b64encode(salt).decode()

        # encrypt password with salt
        password_hashed = hash_password(args["password"], salt)
        base64_password_hashed = base64.b64encode(password_hashed).decode()
        account.password = base64_password_hashed
        account.password_salt = base64_salt
        account.interface_language = args["interface_language"]
        account.timezone = args["timezone"]
        account.interface_theme = "light"
        account.status = AccountStatus.ACTIVE.value
        account.initialized_at = datetime.datetime.now(datetime.timezone.utc).replace(tzinfo=None)
        db.session.commit()

        return {"result": "success"}


api.add_resource(ActivateCheckApi, "/activate/check")
api.add_resource(ActivateApi, "/activate")