from pydantic import BaseModel, Field
from sqlalchemy.orm import Mapped, mapped_column, relationship, Session
from sqlalchemy import Integer, Text, VARCHAR, ForeignKey
from app.models.base_class import Base

class DefineYourPromotionsBase(BaseModel):
    define_id : int | None = Field(default=None)
    reference_competitor : str | None = Field(default=None)
    ongoing_key_promotions : str | None = Field(default=None)
    amoung_key_variouse_promotion : str | None = Field(default=None)
    what_are_the_same_key : str | None = Field(default=None)
    other_remark : str | None = Field(default=None)
    group_id : int | None = Field(default=None)

class TblDefineYourPromotions(Base):
    __tablename__ = "tbl_define_your_promotions"
    define_id : Mapped[int] = mapped_column("define_id", Integer, primary_key=True, autoincrement=True)
    reference_competitor : Mapped[str] = mapped_column("reference_competitor", Text, nullable=True, server_default=None)
    ongoing_key_promotions : Mapped[str] = mapped_column("ongoing_key_promotions", Text, nullable=True, server_default=None)
    amoung_key_variouse_promotion : Mapped[str] = mapped_column("amoung_key_variouse_promotion", Text, nullable=True, server_default=None)
    what_are_the_same_key : Mapped[str] = mapped_column("what_are_the_same_key", Text, nullable=True, server_default=None)
    other_remark : Mapped[str] = mapped_column("other_remark", VARCHAR(255), nullable=True, server_default=None)
    group_id : Mapped[int] = mapped_column("group_id", Integer, ForeignKey("tbl_group.group_id"))
    
    group = relationship("TblGroup", back_populates="define_your_promotions")
    
    @classmethod
    def create_define(cls, data:DefineYourPromotionsBase, db:Session) ->"TblDefineYourPromotions":
        data_dict = cls(**data.model_dump())
        db.add(data_dict)
        db.flush()
        return data_dict
    
    @classmethod
    def get_define(cls, group_id:int, db:Session) ->"TblDefineYourPromotions":
        get_data = db.query(cls).filter(cls.group_id == group_id).all()
        return get_data
    
    @classmethod
    def update_define(cls, update_id:int, data:DefineYourPromotionsBase, db:Session) ->"TblDefineYourPromotions":
        update_data = db.query(cls).filter(cls.define_id == update_id).first()
        data_dict = data.model_dump()
        for key, value in data_dict.items():
            if value is not None:
                setattr(update_data, key, value)
        db.commit()
        db.refresh(update_data)
        return update_data
    
    @classmethod
    def delete_define(cls, define_id:int, db:Session) ->"TblDefineYourPromotions":
        delete_data = db.query(cls).filter(cls.define_id == define_id).first()
        if not delete_data:
            return False
        db.delete(delete_data)
        db.commit()
        return True