import uuid
from sqlalchemy import Float, Integer, String, Boolean, ForeignKey, func
from sqlalchemy.dialects.postgresql import JSONB, UUID
from sqlalchemy.orm import Mapped, mapped_column
from datetime import datetime

from app.database import Base


class Calculation(Base):
    __tablename__ = "calculations"

    id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    file_name: Mapped[str] = mapped_column(String(255), nullable=False)
    file_format: Mapped[str] = mapped_column(String(10), nullable=False)
    file_path: Mapped[str | None] = mapped_column(String(500))
    volume_cm3: Mapped[float] = mapped_column(Float, nullable=False)
    surface_area_cm2: Mapped[float | None] = mapped_column(Float)
    bounding_box: Mapped[dict | None] = mapped_column(JSONB)
    is_watertight: Mapped[bool | None] = mapped_column(Boolean)
    triangle_count: Mapped[int | None] = mapped_column(Integer)
    material_id: Mapped[int] = mapped_column(Integer, ForeignKey("materials.id"), nullable=False)
    infill_percent: Mapped[int] = mapped_column(Integer, default=30)
    layer_height_mm: Mapped[float] = mapped_column(Float, default=0.2)
    quantity: Mapped[int] = mapped_column(Integer, default=1)
    post_processing: Mapped[dict] = mapped_column(JSONB, default=list)
    weight_grams: Mapped[float | None] = mapped_column(Float)
    material_cost_rub: Mapped[float | None] = mapped_column(Float)
    time_cost_rub: Mapped[float | None] = mapped_column(Float)
    print_time_hours: Mapped[float | None] = mapped_column(Float)
    post_processing_cost_rub: Mapped[float | None] = mapped_column(Float)
    total_rub: Mapped[float | None] = mapped_column(Float)
    estimated_days: Mapped[int | None] = mapped_column(Integer)
    created_at: Mapped[datetime] = mapped_column(default=func.now())