from sqlalchemy import create_engine, Column, String, DateTime, Boolean, Text
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from datetime import datetime
from config import DATABASE_URL

engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()


class ProcessedEmail(Base):
    __tablename__ = "processed_emails"

    email_id        = Column(String, primary_key=True, index=True)
    sender          = Column(String)
    subject         = Column(String)
    category        = Column(String)          # Recruiter, Client, Spam, etc.
    priority        = Column(String)          # High, Medium, Low
    action_taken    = Column(String)          # auto_sent, draft_saved, skipped
    reply_sent      = Column(Boolean, default=False)
    processed_at    = Column(DateTime, default=datetime.utcnow)
    notes           = Column(Text, nullable=True)


def init_db():
    Base.metadata.create_all(bind=engine)


def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()