# app/models/organization.py
from sqlalchemy import Boolean, Column, Index, String, Text
from sqlalchemy.dialects.postgresql import JSONB
from sqlalchemy.orm import relationship

from .base import Base, TimestampMixin, UUIDMixin


class Organization(Base, UUIDMixin, TimestampMixin):
    """
    Organization model for multi-tenant support.
    Users can belong to multiple organizations with different roles.

    Performance indexes (defined in migration 0002_add_performance_indexes.py):
    - ix_perf_organizations_slug_lower: LOWER(slug) WHERE is_active = true
    """

    __tablename__ = "organizations"

    name = Column(String(255), nullable=False, index=True)
    slug = Column(String(255), unique=True, nullable=False, index=True)
    description = Column(Text, nullable=True)
    is_active = Column(Boolean, default=True, nullable=False, index=True)
    settings = Column(JSONB, default={})

    # Relationships
    user_organizations = relationship(
        "UserOrganization", back_populates="organization", cascade="all, delete-orphan"
    )

    __table_args__ = (
        Index("ix_organizations_name_active", "name", "is_active"),
        Index("ix_organizations_slug_active", "slug", "is_active"),
    )

    def __repr__(self):
        return f"<Organization {self.name} ({self.slug})>"