"""PPT 历史记录模型。"""
from sqlalchemy import Column, String, Text, Integer, BigInteger, TIMESTAMP, func
from insurance.db.compat import db


class PptHistory(db.Model):
    """PPT 生成历史记录表。"""
    __tablename__ = "insurance_ppt_history"

    id = Column(BigInteger, primary_key=True, autoincrement=True)
    user_id = Column(String(50), nullable=False, comment="用户 ID")
    session_id = Column(String(50), nullable=True, comment="关联 PptSession")
    action_type = Column(String(20), nullable=False, comment="操作类型: create/edit/preview/export/download")
    company_id = Column(String(50), nullable=True, comment="保司 ID")
    product_id = Column(String(50), nullable=True, comment="产品 ID")
    template_id = Column(String(50), nullable=True, comment="模板 ID")
    content_snapshot = Column(Text, nullable=True, comment="内容快照 JSON")
    file_url = Column(String(500), nullable=True, comment="文件地址")
    ip = Column(String(50), nullable=True, comment="IP 地址")
    user_agent = Column(String(500), nullable=True, comment="User-Agent")
    created_at = Column(TIMESTAMP, server_default=func.now())

    def to_dict(self):
        import json
        return {
            "id": self.id,
            "userId": self.user_id,
            "sessionId": self.session_id,
            "actionType": self.action_type,
            "companyId": self.company_id,
            "productId": self.product_id,
            "templateId": self.template_id,
            "contentSnapshot": json.loads(self.content_snapshot) if self.content_snapshot else None,
            "fileUrl": self.file_url,
            "ip": self.ip,
            "userAgent": self.user_agent,
            "createdAt": self.created_at.isoformat() if self.created_at else None,
        }