# app/modules/dev_tools/models/saved_query.py
"""
Saved SQL Query Model

Database model for storing frequently-used SQL queries.
"""

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

from app.core.database import Base


class SavedQuery(Base):
    """A saved SQL query for quick re-running from the admin UI."""

    __tablename__ = "dev_tools_saved_queries"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String(200), nullable=False, index=True)
    description = Column(Text, nullable=True)
    sql_text = Column(Text, nullable=False)
    created_by = Column(Integer, ForeignKey("users.id"), nullable=False)
    last_run_at = Column(DateTime(timezone=True), nullable=True)
    run_count = Column(Integer, default=0, server_default="0")
    created_at = Column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )
    updated_at = Column(
        DateTime(timezone=True),
        server_default=func.now(),
        onupdate=func.now(),
        nullable=False,
    )