# models.py
from sqlalchemy import Column, Integer, String, Enum, ForeignKey, JSON
from sqlalchemy.orm import relationship
from data.db import Base
from core.enums import ConnectionTypes, UserRole

class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True)
    username = Column(String, unique=True, index=True, nullable=False)
    role = Column(Enum(UserRole), default=UserRole.user, nullable=False)
    api_key = Column(String, unique=True, nullable=False)
    
    # repos = relationship("Connection", back_populates="owner")

class Connection(Base):
    __tablename__ = "connections"

    id = Column(Integer, primary_key=True, index=True)
    db_name = Column(String, nullable=False)
    type = Column(Enum(ConnectionTypes), nullable=False)
    host = Column(String)
    port = Column(Integer)    
    username = Column(String)
    password = Column(String)
    pool_minsize = Column(Integer, nullable=False, default=5)
    pool_maxsize = Column(Integer, nullable=False, default=10)
    owner_id = Column(Integer, ForeignKey("users.id"))

    # owner = relationship("User", back_populates="connections")

class Query(Base):
    __tablename__ = "queries"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String, nullable=False)
    description = Column(String, nullable=True)
    owner_id = Column(Integer, ForeignKey("users.id"))
    table_name = Column(String, nullable=False)
    columns  = Column(JSON, nullable=False)
    filters = Column(JSON, nullable=True)
    sort_by = Column(JSON, nullable=True)
    limit = Column(Integer, nullable=True)
    offset = Column(Integer, nullable=True)
    sql= Column(String, nullable=False)
    params = Column(JSON, nullable=False)