#!/usr/bin/env python3
"""Resolve one already-interpreted explicit persona selection; never pick a default."""
from __future__ import annotations

import argparse
import json
import pathlib

REPO = pathlib.Path(__file__).resolve().parents[2]
REGISTRY = REPO / "identity/light-lake-persona-registration.json"
HOMES = REPO / "routing/light-lake-persona-switch-map.json"


def resolve(selection: str | None) -> dict:
    if not selection or not selection.strip():
        return {"state": "AWAITING_EXPLICIT_PERSONA_SELECTION", "selected_persona": None, "default_persona": None}
    registry = json.loads(REGISTRY.read_text(encoding="utf-8"))["personas"]
    homes = {item["persona_id"]: item for item in json.loads(HOMES.read_text(encoding="utf-8"))["current_homes"]}
    key = selection.strip()
    matches = [item for item in registry if key in {item["id"], item["name"]}]
    if len(matches) != 1:
        return {"state": "UNKNOWN_OR_AMBIGUOUS_PERSONA_NO_GUESS", "selected_persona": None, "requested": key}
    item = matches[0]
    return {
        "state": "EXPLICIT_PERSONA_PATH_RESOLVED",
        "selected_persona": {"id": item["id"], "name": item["name"], "wake_state": item["wake_state"],
                             "home": homes[item["id"]]["home"], "doorplate": item["light_lake_home"],
                             "canonical_source": item["canonical_source"]},
        "selection_source": "RUNNING_COGNITION_INTERPRETED_CURRENT_DIRECT_LANGUAGE",
        "mere_name_mention_was_not_used": True,
        "default_persona": None,
        "authority_granted": False
    }


def main() -> int:
    parser = argparse.ArgumentParser()
    parser.add_argument("--persona")
    args = parser.parse_args()
    value = resolve(args.persona)
    print(json.dumps(value, ensure_ascii=False, indent=2))
    return 0 if value["state"] in {"EXPLICIT_PERSONA_PATH_RESOLVED", "AWAITING_EXPLICIT_PERSONA_SELECTION"} else 2


if __name__ == "__main__":
    raise SystemExit(main())