from datetime import datetime, date, timezone

from sqlalchemy import Column, Date, DateTime, Integer, String, Text

from app.database import Base


class Permit(Base):
    __tablename__ = "permits"

    id = Column(Integer, primary_key=True, autoincrement=True)
    # Core identification
    permit_number = Column(String(100), nullable=True, index=True)
    source_file = Column(String(500), nullable=True)
    source_system = Column(String(100), nullable=True)

    # Extracted metadata (FR-03)
    applicant_name = Column(String(200), nullable=True, index=True)
    permit_holder_name = Column(String(200), nullable=True)
    issuer_name = Column(String(200), nullable=True)
    location = Column(String(300), nullable=True, index=True)
    issue_date = Column(Date, nullable=True)
    expiry_date = Column(Date, nullable=True)
    applicable_law = Column(String(200), nullable=True)
    work_type = Column(String(200), nullable=True)
    water_type = Column(String(200), nullable=True)
    embankment_type = Column(String(200), nullable=True)

    # AI classification
    permit_type = Column(String(100), nullable=True, index=True)

    # Archive compliance (FR-09/10/11, BR-01 to BR-06)
    archive_nomination = Column(String(50), nullable=True)  # bewaren / vernietigen
    retention_years = Column(Integer, nullable=True)
    archive_status = Column(String(100), nullable=True)

    # Full text
    extracted_text = Column(Text, nullable=True)

    # Processing
    status = Column(String(50), default="processing")
    error_message = Column(Text, nullable=True)
    upload_date = Column(DateTime, default=lambda: datetime.now(timezone.utc))
    created_at = Column(DateTime, default=lambda: datetime.now(timezone.utc))