from sqlalchemy import (
    Column, Integer, String, DateTime, Boolean, Text, BigInteger, ForeignKey
)
from sqlalchemy.sql import func
from sqlalchemy.orm import relationship
from .database import Base


class Ministry(Base):
    __tablename__ = "ministry"

    id = Column(Integer, primary_key=True, index=True)
    code = Column(String(16), nullable=False)
    name = Column(String(255), nullable=False)
    years = Column(Text, nullable=False)
    mtype = Column(String(16), nullable=False)
    color = Column(String(8), nullable=False)
    grouping = Column(String(16), nullable=False)
    poste = Column(Boolean, nullable=True)
    description = Column(Text, nullable=True)

    directions = relationship("Direction", back_populates="ministry")



class Direction(Base):
    __tablename__ = "direction"

    id = Column(Integer, primary_key=True, index=True)
    ministry_id = Column(Integer, ForeignKey("ministry.id"), nullable=True, index=True)
    code = Column(String(32), nullable=False)
    name = Column(String(255), nullable=False)
    years = Column(Text, nullable=True)
    commune_id = Column(Integer, nullable=True, index=True)

    ministry = relationship("Ministry", back_populates="directions")
    activities = relationship("Activity", back_populates="direction")



class Activity(Base):
    __tablename__ = "activity"

    id = Column(Integer, primary_key=True, index=True)
    action_id = Column(Integer, nullable=False, index=True)
    direction_id = Column(Integer, ForeignKey("direction.id"), nullable=False, index=True)
    created_by_id = Column(Integer, nullable=True, index=True)
    updated_by_id = Column(Integer, nullable=True, index=True)
    validated_by_id = Column(Integer, nullable=True, index=True)
    code = Column(String(15), nullable=False)
    name = Column(String(1023), nullable=False)
    year = Column(Integer, nullable=False)
    amount = Column(BigInteger, nullable=True)
    validated = Column(Boolean, nullable=False, default=False)
    treated = Column(Boolean, nullable=False, default=False)

    direction = relationship("Direction", back_populates="activities")


class Item(Base):
    __tablename__ = "items"

    id = Column(Integer, primary_key=True, index=True)
    title = Column(String(100), nullable=False)
    description = Column(Text)
    is_active = Column(Boolean, default=True)
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())