from sqlalchemy import Column, Integer, String, Text, Float, DateTime, ForeignKey
from sqlalchemy.sql import func
from database import Base


class OnlineOrder(Base):
    __tablename__ = "online_orders"

    id = Column(Integer, primary_key=True, index=True)
    site_id = Column(Integer, ForeignKey("sites.id"), nullable=False, index=True)

    # Human-readable reference, unique per site (e.g. "ORD-0042")
    public_ref = Column(String, unique=True, nullable=False)
    order_type = Column(String, nullable=False)  # "delivery" | "dine_in"

    # Customer info
    customer_name = Column(String, nullable=False)
    customer_phone = Column(String, nullable=True)
    customer_address = Column(Text, nullable=True)   # required for delivery
    customer_notes = Column(Text, nullable=True)

    # Order content — JSON array of ordered items
    items_json = Column(Text, nullable=False)

    # Financials
    subtotal = Column(Float, nullable=False)
    delivery_fee = Column(Float, default=0.0, nullable=False)
    total = Column(Float, nullable=False)

    # Status lifecycle:
    # pending_acceptance → accepted | rejected
    # accepted → preparing → ready | out_for_delivery → delivered
    status = Column(String, default="pending_acceptance", nullable=False, index=True)
    rejection_reason = Column(String, nullable=True)

    # Sync state — local backend polls for these
    synced_to_local = Column(Integer, default=0, nullable=False)  # 0=no, 1=yes
    local_order_id = Column(Integer, nullable=True)               # set after local creates it

    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())