"""Command line interface for the PAM deploy agent."""

from __future__ import annotations

import argparse
import json

from .agent import PamDeployAgent
from .params_loader import load_params_file


def main() -> None:
    parser = argparse.ArgumentParser(prog="pam-deploy-agent")
    sub = parser.add_subparsers(dest="command", required=True)

    preview = sub.add_parser("preview")
    preview.add_argument("--config", required=True)
    preview.add_argument("--strategy", default="hybrid_node_mcp", choices=["hybrid_node_mcp", "script_only", "fake"])

    run = sub.add_parser("run-global")
    run.add_argument("--config", required=True)
    run.add_argument("--strategy", default="fake", choices=["hybrid_node_mcp", "script_only", "fake"])
    run.add_argument("--confirm", action="store_true")

    args = parser.parse_args()
    params = load_params_file(args.config)
    agent = PamDeployAgent()

    if args.command == "preview":
        print(agent.preview(params, args.strategy))
        return

    if not args.confirm:
        raise SystemExit("Refusing to execute actions without --confirm.")
    state = agent.create_state(params=params, execution_strategy=args.strategy)
    state = agent.run_global_flow(state)
    print(json.dumps({"events": state.events}, ensure_ascii=False, indent=2))


if __name__ == "__main__":
    main()