"""海报计划书上传模型。"""
from sqlalchemy import Column, String, Text, BigInteger, TIMESTAMP, func
from insurance.db.compat import db


class PosterCaseUpload(db.Model):
    """海报计划书上传记录表。"""
    __tablename__ = "poster_case_uploads"

    id = Column(BigInteger, primary_key=True, autoincrement=True)
    user_id = Column(String(50), nullable=False, comment="用户 ID")
    product_id = Column(String(50), nullable=False, comment="产品 ID")
    product_source_type = Column(String(20), nullable=True, comment="library_product/user_material")
    product_source_id = Column(String(64), nullable=True, comment="产品来源 ID")
    product_snapshot_json = Column(Text, nullable=True, comment="产品信息快照 JSON")
    source_file_url = Column(String(500), nullable=False, comment="源文件地址")
    parse_status = Column(String(20), default="pending", comment="解析状态: pending/parsed/failed")
    parsed_data = Column(Text, nullable=True, comment="系统解析结果 JSON")
    confirmed_data = Column(Text, nullable=True, comment="人工核对后最终结果 JSON")
    confirmed_by = Column(String(50), nullable=True, comment="核对人")
    confirmed_at = Column(TIMESTAMP, nullable=True, comment="核对时间")
    created_at = Column(TIMESTAMP, server_default=func.now())

    def to_dict(self):
        import json
        def _safe_json(text):
            if not text:
                return None
            try:
                return json.loads(text)
            except (json.JSONDecodeError, TypeError):
                return None

        return {
            "id": self.id,
            "userId": self.user_id,
            "productId": self.product_id,
            "productSource": {
                "type": self.product_source_type or "library_product",
                "id": self.product_source_id or self.product_id,
            },
            "productSnapshot": _safe_json(self.product_snapshot_json),
            "sourceFileUrl": self.source_file_url,
            "parseStatus": self.parse_status,
            "parsedData": _safe_json(self.parsed_data),
            "confirmedData": _safe_json(self.confirmed_data),
            "confirmedBy": self.confirmed_by,
            "confirmedAt": self.confirmed_at.isoformat() if self.confirmed_at else None,
            "createdAt": self.created_at.isoformat() if self.created_at else None,
        }