import uuid
from datetime import datetime
from sqlalchemy import String, DateTime, Float, Boolean, Text, ForeignKey, func
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.database import Base


class FarmerProfile(Base):
    __tablename__ = "farmer_profiles"
    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
    customer_id: Mapped[str] = mapped_column(String(36), ForeignKey("customers.id"), unique=True)
    farm_name: Mapped[str | None] = mapped_column(String(100), nullable=True)
    farm_area: Mapped[float | None] = mapped_column(Float, nullable=True)
    land_area: Mapped[float | None] = mapped_column(Float, nullable=True)
    division: Mapped[str | None] = mapped_column(String(50), nullable=True)
    district: Mapped[str | None] = mapped_column(String(50), nullable=True)
    upazila: Mapped[str | None] = mapped_column(String(50), nullable=True)
    union: Mapped[str | None] = mapped_column(String(50), nullable=True)
    village: Mapped[str | None] = mapped_column(String(50), nullable=True)
    latitude: Mapped[float | None] = mapped_column(Float, nullable=True)
    longitude: Mapped[float | None] = mapped_column(Float, nullable=True)
    profile_photo: Mapped[str | None] = mapped_column(String(500), nullable=True)
    farming_type: Mapped[str | None] = mapped_column(String(50), nullable=True)
    soil_type: Mapped[str | None] = mapped_column(String(50), nullable=True)
    irrigation_type: Mapped[str | None] = mapped_column(String(50), nullable=True)
    is_verified: Mapped[bool] = mapped_column(default=False)
    is_active: Mapped[bool] = mapped_column(default=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), onupdate=func.now())

    customer = relationship("Customer", backref="farmer_profile")
    farms = relationship("Farm", back_populates="farmer", cascade="all, delete-orphan")
    plants = relationship("PlantActivation", back_populates="farmer")