from __future__ import annotations

from datetime import datetime, timezone

from sqlalchemy import Boolean, DateTime, ForeignKey, Integer, String, Text, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column

from app.core.db.common import CommonBase


class ClientGroup(CommonBase):
    __tablename__ = "client_groups"
    __table_args__ = (
        UniqueConstraint("tenant_id", "group_code", name="uq_client_groups_tenant_code"),
    )

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    tenant_id: Mapped[int] = mapped_column(ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False, index=True)
    group_code: Mapped[str] = mapped_column(String(50), nullable=False, index=True)
    group_name: Mapped[str] = mapped_column(String(200), nullable=False, index=True)
    group_type: Mapped[str] = mapped_column(String(50), nullable=False, default="Family", index=True)
    primary_contact_name: Mapped[str | None] = mapped_column(String(200), nullable=True)
    primary_contact_mobile: Mapped[str | None] = mapped_column(String(20), nullable=True)
    primary_contact_email: Mapped[str | None] = mapped_column(String(255), nullable=True)
    assigned_partner_user_id: Mapped[int | None] = mapped_column(ForeignKey("users.id", ondelete="SET NULL"), nullable=True, index=True)
    primary_consultant_id: Mapped[int | None] = mapped_column(ForeignKey("consultant_profiles.id", ondelete="SET NULL"), nullable=True, index=True)
    notes: Mapped[str | None] = mapped_column(Text, nullable=True)
    is_active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True, index=True)
    created_by_user_id: Mapped[int | None] = mapped_column(ForeignKey("users.id", ondelete="SET NULL"), nullable=True)
    updated_by_user_id: Mapped[int | None] = mapped_column(ForeignKey("users.id", ondelete="SET NULL"), nullable=True)
    created_at_utc: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc), nullable=False)
    updated_at_utc: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc), nullable=False)