app/db/models.py

from sqlalchemy import Column, Integer, String, Text, JSON, DateTime, ForeignKey, Float
from sqlalchemy.orm import relationship
from datetime import datetime
from .session import Base

class Company(Base):
    __tablename__ = "companies"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String, unique=True, index=True)
    description = Column(Text, nullable=True)
    website = Column(String, nullable=True)
    last_analysis_date = Column(DateTime, default=datetime.utcnow)
    
    # JSON blobs for structured analysis data
    analysis_result = Column(JSON, nullable=True)
    
    requests = relationship("AnalysisRequest", back_populates="company")

class AnalysisRequest(Base):
    __tablename__ = "requests"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(String, index=True) # Linking to frontend user ID
    company_name = Column(String)
    website = Column(String, nullable=True)
    document_name = Column(String, nullable=True)
    document_content = Column(Text, nullable=True) # Extracted text from PDF
    
    status = Column(String, default="pending") # pending, processing, completed, failed
    submission_date = Column(DateTime, default=datetime.utcnow)
    
    analysis_result = Column(JSON, nullable=True)
    rejection_reason = Column(String, nullable=True)
    
    company_id = Column(Integer, ForeignKey("companies.id"), nullable=True)
    company = relationship("Company", back_populates="requests")