"""
ORM models per rendicontazione-api.
Schema: gepafin_rendic (stesso DB del BE Gepafin sandbox).
"""
import uuid
from datetime import datetime
from sqlalchemy import Column, Integer, String, Text, DateTime, ForeignKey, UniqueConstraint
from sqlalchemy.dialects.postgresql import UUID, JSONB
from sqlalchemy.sql import func
from .db import Base


class CallRemissionSchema(Base):
    """
    Schema di rendicontazione per un bando. Uno per call_id.
    status: DRAFT (modificabile) -> PUBLISHED (visibile ai beneficiari).
    """
    __tablename__ = "call_remission_schema"
    __table_args__ = (
        UniqueConstraint("call_id", name="uq_call_remission_schema_call_id"),
        {"schema": "gepafin_rendic"},
    )

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    call_id = Column(Integer, nullable=False, unique=True)
    schema_version = Column(Integer, nullable=False, default=1)
    status = Column(String(32), nullable=False, default="DRAFT")
    schema_json = Column(JSONB, nullable=False)

    created_by = Column(Integer, nullable=False)
    created_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now())
    updated_at = Column(DateTime(timezone=True), nullable=False, server_default=func.now(), onupdate=func.now())
    published_at = Column(DateTime(timezone=True), nullable=True)
    published_by = Column(Integer, nullable=True)