"""海报生成记录模型。"""
from sqlalchemy import Column, String, Text, BigInteger, TIMESTAMP, func
from insurance.db.compat import db


class PosterRecord(db.Model):
    """海报生成记录表。"""
    __tablename__ = "poster_records"

    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=True, comment="产品 ID")
    case_upload_id = Column(BigInteger, nullable=True, comment="关联计划书上传 ID")
    template_id = Column(BigInteger, nullable=True, comment="海报模板 ID")
    copy_mode = Column(String(20), nullable=True, comment="文案模式: template/ai")
    copy_content = Column(Text, nullable=True, comment="最终文案 JSON")
    ai_raw_content = Column(Text, nullable=True, comment="AI 原始文案 JSON（合规留痕）")
    export_url = Column(String(500), nullable=True, comment="导出文件地址")
    export_format = Column(String(10), nullable=True, comment="导出格式: png/jpg")
    export_size = Column(String(20), nullable=True, comment="导出尺寸")
    reference_image_used = Column(String(500), nullable=True, comment="使用的参考图（合规留痕）")
    prompt_used = Column(Text, nullable=True, comment="完整 prompt（合规留痕）")
    created_at = Column(TIMESTAMP, server_default=func.now())

    def to_dict(self):
        import json
        return {
            "id": self.id,
            "userId": self.user_id,
            "productId": self.product_id,
            "caseUploadId": self.case_upload_id,
            "templateId": self.template_id,
            "copyMode": self.copy_mode,
            "copyContent": json.loads(self.copy_content) if self.copy_content else None,
            "aiRawContent": json.loads(self.ai_raw_content) if self.ai_raw_content else None,
            "exportUrl": self.export_url,
            "exportFormat": self.export_format,
            "exportSize": self.export_size,
            "referenceImageUsed": self.reference_image_used,
            "promptUsed": self.prompt_used,
            "createdAt": self.created_at.isoformat() if self.created_at else None,
        }