# Copyright 2019 Cypress Semiconductor Corporation
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from cyprov_entity import Entity
from cyprov_crypto import crypto

# Customer Entity
class CustomerEntity(Entity):
    def __init__(self, state_name, audit_name) :
        Entity.__init__(self, state_name, audit_name)
        if "custom_priv_key" not in self.state:
            d = dict()
            d["custom_priv_key"] = self.state
            self.state = d
        
    def create_entity(self, kid) :
        """
        Creates the Customer entity.
        Creates the Customer main key-pair and returns nothing.
        """
        customer_priv_key, customer_pub_key = crypto.create_jwk()
        customer_priv_key["kid"] = str(kid)
        customer_pub_key["kid"] = str(kid)
        self.state["custom_priv_key"] = customer_priv_key
        self.state["custom_pub_key"] = customer_pub_key
        self.state_loaded = True
    
    def get_pub_key(self):
        if "custom_pub_key" not in self.state:
            key = dict(self.state["custom_priv_key"])
            del key["d"]
        else:
            key = self.state["custom_pub_key"]
        return key
    
    def get_priv_key(self):
        return self.state["custom_priv_key"]