import os
import aws_cdk as cdk
import aws_cdk.aws_ec2 as ec2
import aws_cdk.aws_iam as iam
from constructs import Construct

class SciInstancesStack(cdk.Stack):

    def __init__(self, vpcStack: Construct, construct_id:
        str, thing: str, env: cdk.Environment,  **kwargs) -> None:
        super().__init__(vpcStack, construct_id, env=env, **kwargs)

        thisVpc  = vpcStack.vpc
        imageId = ec2.LookupMachineImage(name='debian-11-amd64-20221219-1234', windows=False)
        ec2instance = ec2.Instance(self, f"i-{thing}",
            vpc=vpcStack.vpc,
            instance_type=ec2.InstanceType("t2.nano"),
            machine_image=imageId,
            block_devices=[ec2.BlockDevice(
                device_name="/dev/sda1",
                volume=ec2.BlockDeviceVolume.ebs(6),
                )
            ],
            security_group = vpcStack.SciSG,
        )

class VpcBasisStack(cdk.Stack):

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

        self.vpc = ec2.Vpc(self, 'out-vpc',
            ip_addresses=ec2.IpAddresses.cidr('172.19.19.0/24'),
            max_azs = 1,
            subnet_configuration=[
                ec2.SubnetConfiguration(
                    name = 'pub',
                    subnet_type = ec2.SubnetType.PUBLIC,
                    cidr_mask = 26
                )
            ],
            nat_gateways = 3
        )

        # Create standard Security Group for all EC2 instances
        self.SciSG = ec2.SecurityGroup(self, 'Sci-sg', vpc=self.vpc,
            allow_all_outbound=True, security_group_name='Sci-sg' );

app = cdk.App()