#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Market intelligence candidate queue writer CLI gate.

This script prints a JSON gate status. Real queue writes are intentionally
disabled in this phase even when --execute and --apply-real-write are provided.
"""

import argparse
import contextlib
import json
import os
import sys
from pathlib import Path


REPO_ROOT = Path(__file__).resolve().parents[1]
if str(REPO_ROOT) not in sys.path:
    sys.path.insert(0, str(REPO_ROOT))

with contextlib.redirect_stdout(sys.stderr):
    from services.market_intel import MarketIntelService  # noqa: E402
    from services.market_intel.candidate_queue_writer_cli import (  # noqa: E402
        APPROVAL_ENV_VAR,
        build_candidate_queue_writer_cli_plan,
    )


def parse_args(argv=None):
    parser = argparse.ArgumentParser(
        description="Preview candidate queue writer execution gates."
    )
    parser.add_argument(
        "--sample-json",
        default=None,
        help="Path to one manual sample result JSON file. Default: empty payload.",
    )
    parser.add_argument(
        "--execute",
        action="store_true",
        help="Request real execution. Still blocked in this phase.",
    )
    parser.add_argument(
        "--apply-real-write",
        action="store_true",
        help="Request the guarded queue write transaction. Still blocked in this phase.",
    )
    parser.add_argument(
        "--approval-token",
        default=None,
        help=f"One-time approval token checked against {APPROVAL_ENV_VAR}.",
    )
    return parser.parse_args(argv)


def _load_sample_result(path):
    if not path:
        return {}
    with open(path, encoding="utf-8") as handle:
        payload = json.load(handle)
    return payload.get("sample_result", payload) if isinstance(payload, dict) else payload


def main(argv=None):
    args = parse_args(argv)
    sample_result = _load_sample_result(args.sample_json)
    if not isinstance(sample_result, dict):
        sample_result = None
        payload_error = "invalid_json_object"
    else:
        payload_error = None

    service = MarketIntelService()
    transaction_preview = service.build_manual_sample_candidate_queue_transaction(
        sample_result=sample_result,
        payload_error=payload_error,
    )
    plan = build_candidate_queue_writer_cli_plan(
        transaction_preview=transaction_preview,
        execute_requested=args.execute,
        apply_real_write=args.apply_real_write,
        approval_token=args.approval_token,
        approval_token_secret=os.getenv(APPROVAL_ENV_VAR),
    )
    plan["phase"] = service.phase
    print(json.dumps(plan, ensure_ascii=False, indent=2, sort_keys=True))
    return int(plan.get("exit_code", 2))


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