"""方案模板模型。"""
from sqlalchemy import Column, Integer, String, Text, Boolean, TIMESTAMP, func
from insurance.db.compat import db


class ProposalTemplate(db.Model):
    """方案模板表。"""
    __tablename__ = "insurance_proposal_templates"

    id = Column(Integer, primary_key=True, autoincrement=True)
    name = Column(String(128), nullable=False, comment="模板名称")
    description = Column(String(256), default="", comment="模板描述")
    insurance_type = Column(String(64), nullable=False, comment="险种类型")
    file_path = Column(String(512), default="", comment="模板文件路径")
    file_type = Column(String(32), default="pdf", comment="文件类型(pdf/docx)")
    placeholders = Column(Text, default="[]", comment="占位符配置JSON")
    is_default = Column(Boolean, default=False, comment="是否默认模板")
    created_at = Column(TIMESTAMP, server_default=func.now())
    updated_at = Column(TIMESTAMP, server_default=func.now(), onupdate=func.now())

    def to_dict(self):
        import json
        return {
            "id": f"template-{self.id}",
            "name": self.name,
            "description": self.description,
            "insurance_type": self.insurance_type,
            "file_path": self.file_path,
            "file_type": self.file_type,
            "placeholders": json.loads(self.placeholders) if self.placeholders else [],
            "is_default": self.is_default,
            "created_at": str(self.created_at) if self.created_at else None,
            "updated_at": str(self.updated_at) if self.updated_at else None,
        }