#!/usr/bin/env python3
"""View cost statistics from the database"""

import asyncio
from .config import get_config
from .storage.database import Database


async def main():
    """Display cost statistics"""
    config = get_config()
    db = Database(config.database.path)

    print("\n" + "=" * 60)
    print("News Agent Cost Statistics")
    print("=" * 60 + "\n")

    # Get total cost
    total_cost = await db.get_total_cost()
    print(f"💰 Total Cumulative Cost: ${total_cost:.4f}")
    print()

    # Get recent runs
    runs = await db.get_run_stats(limit=20)

    if not runs:
        print("No runs recorded yet.")
        return

    print(f"Recent Runs (last {len(runs)}):")
    print("-" * 60)
    print(f"{'Date':<12} {'Articles':<10} {'Included':<10} {'Cost':<10}")
    print("-" * 60)

    for run in runs:
        date = run["run_date"]
        articles = run["articles_processed"]
        included = run["articles_included"]
        cost = run["total_cost"]

        print(f"{date:<12} {articles:<10} {included:<10} ${cost:<9.4f}")

    print("-" * 60)

    # Calculate averages
    if runs:
        avg_cost = sum(r["total_cost"] for r in runs) / len(runs)
        avg_articles = sum(r["articles_included"] for r in runs) / len(runs)

        print(f"\nAverages (last {len(runs)} runs):")
        print(f"  Cost per run: ${avg_cost:.4f}")
        print(f"  Articles per digest: {avg_articles:.1f}")
        if avg_articles > 0:
            print(f"  Cost per article: ${avg_cost / avg_articles:.4f}")

    print("\n" + "=" * 60 + "\n")


if __name__ == "__main__":
    asyncio.run(main())