import argparse
from pathlib import Path

from .core.config import Settings
from .core.utils import save_to_json
from .openlane import OpenLaneScrapeRunner
from .scraper import OpenLaneScraper


def build_parser() -> argparse.ArgumentParser:
    parser = argparse.ArgumentParser(description="OpenLane scraper CLI")
    parser.add_argument("--headless", choices=["true", "false"], default=None, help="Override headless mode")
    parser.add_argument("--debug", action="store_true", help="Enable DEBUG logging")
    subparsers = parser.add_subparsers(dest="command", required=True)

    subparsers.add_parser("init-db", help="Create DB tables")

    sync_parser = subparsers.add_parser("sync-listing", help="Sync OpenLane marketplace → DB")
    sync_parser.add_argument("--lane", default="openlane_marketplace")
    sync_parser.add_argument("--limit", type=int, default=None)
    sync_parser.add_argument("--only-new", choices=["true", "false"], default=None)
    sync_parser.add_argument("--max-pages", type=int, default=None)
    sync_parser.add_argument("--concurrency", type=int, default=None)
    sync_parser.add_argument("--output", default=str(Path("artifacts/json/openlane_sync_listing.json")))

    scrape_parser = subparsers.add_parser("scrape-openlane", help="Scrape OpenLane marketplace to JSONL files")
    scrape_parser.add_argument("--max-pages", type=int, default=None)
    scrape_parser.add_argument("--concurrency", type=int, default=None)
    scrape_parser.add_argument("--resume", action="store_true")
    scrape_parser.add_argument("--checkpoint-every-pages", type=int, default=None)

    subparsers.add_parser("openlane-login", help="Open interactive OpenLane login and persist browser storage state")

    return parser


def main() -> None:
    parser = build_parser()
    args = parser.parse_args()

    runtime_settings: Settings | None = None
    if args.headless is not None or args.debug:
        runtime_settings = Settings()
        if args.headless is not None:
            runtime_settings.headless = args.headless == "true"
        if args.debug:
            runtime_settings.log_level = "DEBUG"

    if args.command == "openlane-login":
        runner = OpenLaneScrapeRunner(runtime_settings)
        storage_state_path = runner.interactive_login()
        print(f"OpenLane storage state saved to {Path(storage_state_path).resolve()}")
        return

    if args.command == "scrape-openlane":
        runner = OpenLaneScrapeRunner(runtime_settings)
        result = runner.run(
            max_pages=args.max_pages,
            concurrency=args.concurrency,
            resume=args.resume,
            checkpoint_every_pages=args.checkpoint_every_pages,
        )
        print(f"OpenLane JSONL saved to {Path(result.jsonl_path).resolve()}")
        print(f"OpenLane aggregated JSON saved to {Path(result.aggregated_path).resolve()}")
        print(f"OpenLane checkpoint saved to {Path(result.checkpoint_path).resolve()}")
        print(f"OpenLane storage state saved to {Path(result.storage_state_path).resolve()}")
        print(
            f"OpenLane completed pages={len(result.completed_pages)} failed pages={len(result.failed_pages)} total_records={result.total_records} elapsed={result.elapsed_seconds:.2f}s"
        )
        return

    with OpenLaneScraper(runtime_settings) as scraper:
        if args.command == "init-db":
            data = scraper.init_db()
            print(f"DB initialized: {data}")
            return
        elif args.command == "sync-listing":
            only_new = None if args.only_new is None else args.only_new == "true"
            data = scraper.sync_listing(
                lane=args.lane,
                limit=args.limit,
                only_new=only_new,
                max_pages=args.max_pages,
                concurrency=args.concurrency,
            )

        save_to_json(data, Path(args.output))
        print(f"Saved to {Path(args.output).resolve()}")


if __name__ == "__main__":
    main()