"""Run specific billing scenarios."""

import click


@click.command("scenario")
@click.option(
    "--name",
    type=click.Choice(
        [
            "payment-failure",
            "usage-spike",
            "plan-downgrade",
            "payment-retry",
        ]
    ),
    required=True,
    help="Scenario to simulate",
)
@click.option("--verbose", is_flag=True, help="Show detailed steps")
def scenario(name: str, verbose: bool) -> None:
    """
    Run specific billing scenario simulations.

    Example:
        ai-billing test simulate scenario --name payment-failure --verbose
    """
    click.echo(f"🎭 Simulating scenario: {name}")

    scenarios = {
        "payment-failure": [
            "Customer's credit card expires",
            "Stripe attempts charge - fails",
            "Webhook: payment_intent.payment_failed",
            "System keeps customer on current plan (grace period)",
            "Stripe retries payment (smart retries)",
            "After final failure: customer.subscription.deleted",
            "System demotes API key to free plan",
        ],
        "usage-spike": [
            "Customer usage increases 10x",
            "CloudWatch metrics show spike",
            "Hourly sync reports high usage",
            "Stripe calculates higher invoice",
            "Customer receives usage alert email",
            "Invoice generated at month end",
            "Payment collected automatically",
        ],
        "plan-downgrade": [
            "Customer cancels subscription",
            "Stripe sends customer.subscription.updated",
            "System schedules demotion for period end",
            "Customer continues metered access until period end",
            "At period end: customer.subscription.deleted",
            "System demotes to free plan",
            "Usage limits enforced immediately",
        ],
        "payment-retry": [
            "Initial payment fails",
            "Stripe enters dunning mode",
            "Customer updates payment method",
            "Stripe event: payment_method.attached",
            "Stripe retries payment - succeeds",
            "Webhook: payment_intent.succeeded",
            "System maintains metered plan",
        ],
    }

    steps = scenarios[name]

    for i, step in enumerate(steps, 1):
        click.echo(f"{i}. {step}")
        if verbose:
            click.echo("   [Details would go here in real implementation]")

    click.echo("\n✅ Scenario simulation complete")


__all__ = ["scenario"]
