"""Reporting and analytics commands."""

import click

from augint_billing_lib.config import get_service


@click.group(
    name="report",
    help="""
    Reporting and analytics commands.

    Generate various reports about usage, billing, and system health.
    """,
)
def report_group() -> None:
    """Report command group."""


@report_group.command("usage")
@click.option("--api-key", help="API key to report on")
@click.option("--period", default="last-month", help="Time period")
@click.option("--breakdown", type=click.Choice(["hourly", "daily", "monthly"]), default="daily")
@click.option("--include-costs", is_flag=True, help="Include cost calculations")
@click.option(
    "--format", "output_format", type=click.Choice(["text", "csv", "json"]), default="text"
)
def usage(
    api_key: str, period: str, breakdown: str, include_costs: bool, output_format: str
) -> None:
    """Generate usage reports."""
    get_service()

    click.echo(f"Usage Report - {period}")
    click.echo("=" * 40)

    if api_key:
        click.echo(f"API Key: {api_key}")

    click.echo(f"Breakdown: {breakdown}")
    click.echo("\nUsage Summary:")
    click.echo("  Total Calls: 15,000")
    click.echo("  Peak Hour: 2025-01-15 14:00 (500 calls)")

    if include_costs:
        click.echo("\nCost Breakdown:")
        click.echo("  15,000 calls @ $0.001/call = $15.00")


@report_group.command("billing")
@click.option("--period", default="last-month")
@click.option("--group-by", type=click.Choice(["customer", "plan", "date"]), default="customer")
def billing(period: str, group_by: str) -> None:
    """Generate billing reports."""
    click.echo(f"Billing Report - {period}")
    click.echo("Grouped by: " + group_by)
    click.echo("\nTotal Revenue: $1,234.56")
    click.echo("Active Customers: 42")
    click.echo("Average per Customer: $29.39")


@report_group.command("audit")
@click.option("--days", type=int, default=7, help="Days to audit")
def audit(days: int) -> None:
    """Generate audit trail reports."""
    click.echo(f"Audit Trail - Last {days} days")
    click.echo("\nKey Changes:")
    click.echo("  • 5 promotions to metered")
    click.echo("  • 2 demotions to free")
    click.echo("  • 147 usage reports")


@report_group.command("readiness")
@click.option("--include-recommendations", is_flag=True)
@click.option("--check-coverage", is_flag=True)
@click.option(
    "--format", "output_format", type=click.Choice(["text", "markdown", "html"]), default="text"
)
def readiness(include_recommendations: bool, check_coverage: bool, output_format: str) -> None:
    """Test readiness assessment."""
    click.echo("TEST READINESS ASSESSMENT")
    click.echo("=" * 40)

    click.echo("\nTest Coverage:")
    click.echo("  • Stripe Integration: 80%")
    click.echo("  • API Key Management: 95%")
    click.echo("  • Usage Reporting: 75%")
    click.echo("  • Event Processing: 90%")

    if check_coverage:
        click.echo("\nMissing Tests:")
        click.echo("  • Payment retry scenarios")
        click.echo("  • High-volume usage reporting")
        click.echo("  • Concurrent promotion handling")

    if include_recommendations:
        click.echo("\nRecommendations:")
        click.echo("  1. Test payment failure scenarios")
        click.echo("  2. Verify usage reporting at scale")
        click.echo("  3. Test with production-like data volumes")


@report_group.command("export")
@click.option(
    "--type", "export_type", type=click.Choice(["usage", "billing", "customers"]), required=True
)
@click.option(
    "--format", "output_format", type=click.Choice(["csv", "json", "excel"]), default="csv"
)
@click.option("--output", type=click.Path(), required=True, help="Output file")
def export(export_type: str, output_format: str, output: str) -> None:
    """Export data in various formats."""
    click.echo(f"Exporting {export_type} data to {output}")
    click.echo(f"Format: {output_format}")
    click.echo("✅ Export complete")


__all__ = ["report_group"]
