"""`kadence` — run the server, or poke it from a terminal/cron."""

from __future__ import annotations

import argparse
import json
from datetime import date

from app.db import init_db, session_scope
from app.services import report, settings_service, stats, tasks_service
from app.timeutil import local_date


def main() -> int:
    parser = argparse.ArgumentParser(prog="kadence")
    sub = parser.add_subparsers(dest="command", required=True)

    serve = sub.add_parser("serve", help="run the API (and the web UI)")
    serve.add_argument("--host", default="0.0.0.0")
    serve.add_argument("--port", type=int, default=8000)
    serve.add_argument("--reload", action="store_true")

    sub.add_parser("refresh", help="pull every todo source once")
    sub.add_parser("briefing", help="send the morning briefing now")
    report_cmd = sub.add_parser("report", help="build and send today's report")
    report_cmd.add_argument("--date", type=date.fromisoformat, default=None)
    report_cmd.add_argument("--print", action="store_true", help="print, do not send")
    sub.add_parser("stats", help="print a summary as JSON")

    args = parser.parse_args()

    if args.command == "serve":
        import uvicorn

        uvicorn.run("app.main:app", host=args.host, port=args.port, reload=args.reload)
        return 0

    init_db()
    with session_scope() as session:
        settings = settings_service.load_settings(session)

        if args.command == "refresh":
            print(json.dumps(tasks_service.refresh_tasks(session, settings), indent=2))
        elif args.command == "briefing":
            from app.services.notify import notify

            text = report.render_morning_briefing(session, settings)
            print(text)
            print([d.as_dict() for d in notify(settings, text, urgent=True)])
        elif args.command == "report":
            day = args.date or local_date(settings.timezone)
            if args.print:
                _, payload = report.get_or_build_daily(session, settings, day, rebuild=True)
                print(report.render_daily_telegram(payload, settings))
            else:
                result = report.send_daily(session, settings, day, force=True)
                print(result.get("text", ""))
                print([d for d in result.get("deliveries", [])])
        elif args.command == "stats":
            today = local_date(settings.timezone)
            print(
                json.dumps(
                    {
                        "today": stats.day_metrics(session, settings, today),
                        "streak": stats.streak(session, settings),
                        "lifetime": stats.lifetime(session, settings),
                    },
                    indent=2,
                    ensure_ascii=False,
                )
            )
    return 0


if __name__ == "__main__":  # pragma: no cover
    raise SystemExit(main())