"""meshnet-tracker CLI entry point."""

import argparse
import sys
import time

from .accounts import DEFAULT_ACCOUNTS_DB_PATH
from .billing import DEFAULT_BILLING_DB_PATH
from .server import TrackerServer, derive_relay_url_from_public_tracker_url


def main() -> None:
    common = argparse.ArgumentParser(add_help=False)
    common.add_argument("--host", default="0.0.0.0", help="Host interface to listen on")
    common.add_argument("--port", type=int, default=8080, help="Port to listen on")
    common.add_argument(
        "--heartbeat-timeout",
        type=float,
        default=30.0,
        help="Seconds before a node is removed from the registry after missed heartbeat",
    )
    common.add_argument(
        "--cluster-peers",
        default="",
        help="Comma-separated URLs of peer tracker nodes (enables Raft cluster mode)",
    )
    common.add_argument(
        "--self-url",
        default=None,
        help="This tracker's own URL as seen by peers (auto-derived from --host/--port if omitted)",
    )
    common.add_argument(
        "--stats-db",
        default=None,
        metavar="PATH",
        help="SQLite database path for persistent model usage statistics",
    )
    common.add_argument(
        "--relay-url",
        default=None,
        help="Public ws(s):// relay URL advertised to nodes, for example wss://ai.neuron.d-popov.com/ws",
    )
    common.add_argument(
        "--billing-db",
        default=DEFAULT_BILLING_DB_PATH,
        metavar="PATH",
        help=(
            "SQLite database path for the USDT billing ledger "
            f"(default: {DEFAULT_BILLING_DB_PATH}; ADR-0015)"
        ),
    )
    common.add_argument(
        "--no-billing",
        action="store_true",
        help="Disable the USDT billing ledger",
    )
    common.add_argument(
        "--accounts-db",
        default=DEFAULT_ACCOUNTS_DB_PATH,
        metavar="PATH",
        help=(
            "SQLite database path for dashboard user accounts "
            f"(default: {DEFAULT_ACCOUNTS_DB_PATH})"
        ),
    )
    common.add_argument(
        "--no-accounts",
        action="store_true",
        help="Disable dashboard user accounts (registration/login)",
    )
    common.add_argument(
        "--solana-rpc-url",
        default=None,
        help="Solana RPC URL (e.g. https://api.devnet.solana.com); enables the on-chain treasury",
    )
    common.add_argument(
        "--usdt-mint",
        default=None,
        help="SPL mint address of (mock) USDT — see scripts/devnet_setup.py",
    )
    common.add_argument(
        "--treasury-keypair",
        default=None,
        metavar="PATH",
        help="Treasury keypair JSON path (only on settlement-capable trackers)",
    )
    common.add_argument(
        "--settle-period",
        type=float,
        default=86400.0,
        help="Max seconds between payouts to a node (dev: 60, prod: 86400)",
    )
    common.add_argument(
        "--payout-threshold",
        type=float,
        default=5.0,
        help="Pending USDT that triggers an immediate payout (dev: 0)",
    )
    common.add_argument(
        "--payout-dust-floor",
        type=float,
        default=0.01,
        help="Never pay out less than this many USDT",
    )

    parser = argparse.ArgumentParser(
        prog="meshnet-tracker",
        description="Distributed Inference Network node registry and route selection",
        parents=[common],
    )
    subparsers = parser.add_subparsers(dest="command")

    subparsers.add_parser("start", help="Start the tracker server", parents=[common])

    args = parser.parse_args()

    if args.command in {None, "start"}:
        cluster_peers = [u.strip() for u in args.cluster_peers.split(",") if u.strip()]
        relay_url = args.relay_url or derive_relay_url_from_public_tracker_url(args.self_url)
        treasury = None
        if args.solana_rpc_url and args.usdt_mint and args.treasury_keypair:
            from meshnet_contracts.solana_adapter import SolanaCustodialTreasury

            treasury = SolanaCustodialTreasury(
                args.solana_rpc_url, args.usdt_mint, args.treasury_keypair,
            )
        server = TrackerServer(
            host=args.host,
            port=args.port,
            heartbeat_timeout=args.heartbeat_timeout,
            cluster_peers=cluster_peers or None,
            cluster_self_url=args.self_url,
            stats_db=getattr(args, "stats_db", None),
            relay_url=relay_url,
            enable_billing=not args.no_billing,
            billing_db=None if args.no_billing else args.billing_db,
            accounts_db=None if args.no_accounts else args.accounts_db,
            treasury=treasury,
            settle_period=args.settle_period,
            payout_threshold=args.payout_threshold,
            payout_dust_floor=args.payout_dust_floor,
        )
        port = server.start()
        print(f"meshnet-tracker listening on http://{args.host}:{port}", flush=True)
        try:
            while True:
                time.sleep(1)
        except KeyboardInterrupt:
            server.stop()
            sys.exit(0)
    else:
        parser.print_help()


if __name__ == "__main__":
    main()