#!/usr/bin/env python3
import hashlib

import aws_cdk as cdk

from stacks.dns_alert_stack import (
    DEFAULT_DEPLOYMENT_ID,
    DnsAlertStack,
    sanitize_deployment_id,
    stack_name_for_deployment,
)


def derive_bootstrap_qualifier(suffix: str) -> str:
    normalized = suffix.strip().lower()
    if not normalized:
        return "dnsa1ert9"

    digest = hashlib.sha1(f"dns-alert:{normalized}".encode("utf-8")).hexdigest()[:7]
    return f"dna{digest}"

app = cdk.App()
deploy_region = "us-east-1"
deployment_id = sanitize_deployment_id(
    (app.node.try_get_context("deployment_id") or DEFAULT_DEPLOYMENT_ID).strip()
)
bootstrap_suffix = (app.node.try_get_context("bootstrap_suffix") or "").strip()
bootstrap_qualifier = derive_bootstrap_qualifier(bootstrap_suffix)

DnsAlertStack(
    app,
    "DnsAlertStack",
    stack_name=stack_name_for_deployment(deployment_id),
    env=cdk.Environment(region=deploy_region),
    synthesizer=cdk.DefaultStackSynthesizer(qualifier=bootstrap_qualifier),
)

app.synth()