"""Crew and CrewAvailability models for managing personnel."""

import uuid
from datetime import datetime

from sqlalchemy import String, DateTime, ForeignKey, func, Float, Text, Boolean
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.db.base import Base


class Crew(Base):
    """Represents a crew member within a tenant account."""

    __tablename__ = "crew"

    id: Mapped[str] = mapped_column(
        String(36), primary_key=True, default=lambda: str(uuid.uuid4())
    )
    account_id: Mapped[str] = mapped_column(
        String(36), ForeignKey("accounts.id", ondelete="CASCADE"), nullable=False
    )
    first_name: Mapped[str] = mapped_column(String(100), nullable=False)
    last_name: Mapped[str] = mapped_column(String(100), nullable=False)
    email: Mapped[str | None] = mapped_column(String(255), nullable=True)
    phone: Mapped[str | None] = mapped_column(String(50), nullable=True)
    role_title: Mapped[str | None] = mapped_column(String(100), nullable=True)
    hourly_rate: Mapped[float | None] = mapped_column(Float, nullable=True)
    is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
    notes: Mapped[str | None] = mapped_column(Text, nullable=True)

    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        onupdate=func.now(),
        nullable=False,
    )

    # Relationships
    account: Mapped["Account"] = relationship("Account", back_populates="crew_members")
    availabilities: Mapped[list["CrewAvailability"]] = relationship(
        "CrewAvailability", back_populates="crew_member", cascade="all, delete-orphan"
    )

    def __repr__(self) -> str:
        return f"<Crew {self.first_name} {self.last_name}>"


class CrewAvailability(Base):
    """Tracks crew availability time periods."""

    __tablename__ = "crew_availabilities"

    id: Mapped[str] = mapped_column(
        String(36), primary_key=True, default=lambda: str(uuid.uuid4())
    )
    crew_id: Mapped[str] = mapped_column(
        String(36), ForeignKey("crew.id", ondelete="CASCADE"), nullable=False
    )
    start_date: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), nullable=False
    )
    end_date: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    status: Mapped[str] = mapped_column(
        String(20), nullable=False, default="available"
    )  # available, booked, unavailable
    notes: Mapped[str | None] = mapped_column(Text, nullable=True)

    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True),
        server_default=func.now(),
        onupdate=func.now(),
        nullable=False,
    )

    # Relationships
    crew_member: Mapped["Crew"] = relationship("Crew", back_populates="availabilities")

    def __repr__(self) -> str:
        return f"<CrewAvailability {self.crew_id}: {self.start_date}-{self.end_date}>"