"""
   Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 
   Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
   with the License. A copy of the License is located at
 
       http://www.apache.org/licenses/LICENSE-2.0
 
   or in the 'license' file accompanying this file. This file is distributed on an 'AS IS' BASIS, WITHOUT WARRANTIES
   OR CONDITIONS OF ANY KIND, express or implied. See the License for the specific language governing permissions
   and limitations under the License.
 """
from aws_cdk import core
import aws_cdk.aws_ec2 as ec2


class VPCStack(core.Stack):

    def __init__(self, scope: core.Construct, id: str, **kwargs) -> None:
        super().__init__(scope, id, **kwargs)

        # The code that defines your stack goes here

        self.vpc = ec2.Vpc(self, "VPC",
                           max_azs=2,
                           cidr="10.10.0.0/16",
                           # configuration will create 3 groups in 2 AZs = 6 subnets.
                           subnet_configuration=[ec2.SubnetConfiguration(
                               subnet_type=ec2.SubnetType.PUBLIC,
                               name="Public",
                               cidr_mask=24
                           ), ec2.SubnetConfiguration(
                               subnet_type=ec2.SubnetType.PRIVATE,
                               name="Private",
                               cidr_mask=24
                           ), ec2.SubnetConfiguration(
                               subnet_type=ec2.SubnetType.ISOLATED,
                               name="DB",
                               cidr_mask=24
                           )
                           ],)
                      
        core.CfnOutput(self, "VPCStackOutput",
                       value=self.vpc.vpc_id,
                       description="Create a new VPC with subnets public, private, isolated in 2 AZ")

    # properties to share with other stacks
    @property
    def get_vpc(self):
        return self.vpc

    @property
    def get_vpc_public_subnet_ids(self):
        return self.vpc.select_subnets(
            subnet_type=ec2.SubnetType.PUBLIC
        ).subnet_ids

    @property
    def get_vpc_private_subnet_ids(self):
        return self.vpc.select_subnets(
            subnet_type=ec2.SubnetType.PRIVATE
        ).subnet_ids