#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Normalize legacy built-in agent records to Chinese.

Usage:
  python scripts/localize_builtin_agents.py
  python scripts/localize_builtin_agents.py --apply
"""
import argparse
import asyncio
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).parent.parent))

from sqlalchemy import select

from app.database import AsyncSessionLocal
from ai_platform.models import Agent
from ai_platform.services.agent_localization import normalize_builtin_agent_payload


def _agent_payload(agent: Agent) -> dict:
    return {
        "name": agent.name,
        "code": agent.code,
        "description": agent.description or "",
        "persona": agent.persona or {},
    }


async def localize_builtin_agents(apply: bool) -> None:
    async with AsyncSessionLocal() as db:
        result = await db.execute(
            select(Agent).where(
                Agent.is_deleted == False,
            )
        )
        agents = result.scalars().all()

        changed = []
        for agent in agents:
            original = _agent_payload(agent)
            normalized = normalize_builtin_agent_payload(original)
            if normalized == original:
                continue

            changed.append((agent, original, normalized))
            print(f"{agent.code}: {original['name']} -> {normalized['name']}")

            if apply:
                agent.name = normalized["name"]
                agent.description = normalized["description"]
                agent.persona = normalized.get("persona") or {}

        if apply:
            await db.commit()
            print(f"已更新 {len(changed)} 条内置智能体记录")
        else:
            await db.rollback()
            print(f"dry-run: 将更新 {len(changed)} 条记录，确认后加 --apply 执行")


def main() -> None:
    parser = argparse.ArgumentParser()
    parser.add_argument("--apply", action="store_true", help="write changes to database")
    args = parser.parse_args()
    asyncio.run(localize_builtin_agents(args.apply))


if __name__ == "__main__":
    main()