"""
SQLAlchemy models for WhatsApp messages.
"""

from sqlalchemy import Boolean, Column, DateTime, Integer, String, Text
from sqlalchemy.sql import func

from app.db.base_class import Base


class Message(Base):
    """
    Model for storing WhatsApp messages.
    """
    id = Column(Integer, primary_key=True, index=True)

    # WhatsApp message details
    sender_phone = Column(String(20), index=True, nullable=False)
    sender_name = Column(String(255), index=True, nullable=False)
    message_body = Column(Text, nullable=False)

    # Metadata
    timestamp = Column(DateTime, default=func.now(), nullable=False, index=True)

    # Tracking fields
    analyzed = Column(Boolean, default=False, index=True)
    last_analyzed_at = Column(DateTime, nullable=True)

    def __repr__(self) -> str:
        """
        String representation of the message.
        """
        return f"<Message {self.id}: {self.sender_name} ({self.sender_phone}) at {self.timestamp}>"