import uuid
from datetime import date, datetime

from sqlalchemy import String, Boolean, Date, DateTime, ForeignKey, Text, func
from sqlalchemy.dialects.postgresql import UUID, JSONB
from sqlalchemy.orm import Mapped, mapped_column

from backend.app.core.database import Base


class TrainingPlan(Base):
    __tablename__ = "training_plans"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    rider_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("riders.id"))
    goal: Mapped[str] = mapped_column(String(200))
    start_date: Mapped[date] = mapped_column(Date)
    end_date: Mapped[date] = mapped_column(Date)
    phase: Mapped[str | None] = mapped_column(String(50), nullable=True)
    weeks_json: Mapped[dict | None] = mapped_column(JSONB, nullable=True)
    description: Mapped[str | None] = mapped_column(Text, nullable=True)
    status: Mapped[str] = mapped_column(String(20), default="active")  # draft | active | completed | cancelled
    onboarding_data: Mapped[dict | None] = mapped_column(JSONB, nullable=True)

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