# FILE: src/apps/sales/models/opportunity.py
from __future__ import annotations

from decimal import Decimal
from typing import Optional
from uuid import UUID

from sqlalchemy import ForeignKey, Numeric, String, Text
from sqlalchemy.dialects.postgresql import UUID as PG_UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship

from src.database.base import TenantModel

class Opportunity(TenantModel):
    __tablename__ = "opportunities"

    # Override tenant_id with explicit FK
    tenant_id: Mapped[UUID] = mapped_column(
        PG_UUID(as_uuid=True),
        ForeignKey("accounts.id", ondelete="CASCADE"),
        nullable=False,
        index=True,
    )

    assigned_to: Mapped[Optional[UUID]] = mapped_column(
        PG_UUID(as_uuid=True),
        ForeignKey("users.id", ondelete="SET NULL"),
        nullable=True,
        index=True,
    )
    contact_id: Mapped[Optional[UUID]] = mapped_column(
        PG_UUID(as_uuid=True),
        ForeignKey("family_contacts.id", ondelete="SET NULL"),
        nullable=True,
        index=True,
    )
    plot_id: Mapped[Optional[UUID]] = mapped_column(
        PG_UUID(as_uuid=True),
        ForeignKey("plots.id", ondelete="SET NULL"),
        nullable=True,
        index=True,
    )

    stage: Mapped[str] = mapped_column(String(50), nullable=False, default="inquiry")
    type: Mapped[Optional[str]] = mapped_column(String(100), nullable=True)
    estimated_value: Mapped[Optional[Decimal]] = mapped_column(
        Numeric(12, 2), nullable=True
    )
    notes: Mapped[Optional[str]] = mapped_column(Text, nullable=True)