"""客户画像变更日志仓储。"""

from __future__ import annotations

import json

from sqlalchemy import text


class CustomerProfileChangeLogRepo:
    """记录画像更新原因，供缓存失效和后续审计复用。"""

    def __init__(self, db):
        self.db = db

    async def record(
        self,
        *,
        customer_id: int,
        tag: str | None,
        old_value,
        new_value,
        source: str | None,
        confidence: float | None,
        reason: str | None,
        operator_id: int | None = None,
    ) -> None:
        """写入一次画像变更日志。"""
        await self.db.execute(
            text(
                """
                INSERT INTO customer_profile_change_log
                    (customer_id, tag, old_value, new_value, source,
                     confidence, reason, operator_id)
                VALUES
                    (:customer_id, :tag, :old_value, :new_value, :source,
                     :confidence, :reason, :operator_id)
                """
            ),
            {
                "customer_id": customer_id,
                "tag": tag,
                "old_value": json.dumps(old_value, ensure_ascii=False)
                if isinstance(old_value, (dict, list)) else old_value,
                "new_value": json.dumps(new_value, ensure_ascii=False)
                if isinstance(new_value, (dict, list)) else new_value,
                "source": source,
                "confidence": confidence,
                "reason": reason,
                "operator_id": operator_id,
            },
        )
        await self.db.commit()


__all__ = ["CustomerProfileChangeLogRepo"]