from pydantic import BaseModel, Field
from sqlalchemy.orm import Mapped, mapped_column, relationship, Session
from sqlalchemy import Integer, JSON, ForeignKey, VARCHAR, Enum
from app.models.base_class import Base
from enum import Enum as PyEnum

class AdaptingSupplyChainBase(BaseModel):
    adapting_id : int | None = Field(default=None)
    what_are_some_categories : str | None = Field(default=None)
    remarks_about_these_categories : str | None = Field(default=None)
    do_you_think_you_need : str | None = Field(default=None)
    at_which_point_and_why : str | None = Field(default=None)
    group_id : int | None = Field(default=None)
    
class CategoryEnum(str, PyEnum):
    GROCERIES = "Groceries"
    ELECTRONICS = "Electronics"
    CLOTHING = "Clothing"
    HOME_GOODS = "Home Goods"
    TOYS = "Toys"
    SPORTS_EQUIPMENT = "Sports Equipment"
    BEAUTY_PRODUCTS = "Beauty Products"
    PHARMACY = "Pharmacy"
    PET_SUPPLIES = "Pet Supplies"

class TblAdaptingSupplyChain(Base):
    __tablename__ = "tbl_adapting_supply_chain"
    adapting_id : Mapped[int] = mapped_column("adapting_id", Integer, primary_key=True, autoincrement=True)
    what_are_some_categories : Mapped[list[str]] = mapped_column("what_are_some_categories", JSON(Enum(CategoryEnum)))
    remarks_about_these_categories : Mapped[str] = mapped_column("remarks_about_these_categories", VARCHAR(255), nullable=True, server_default=None)
    do_you_think_you_need : Mapped[str] = mapped_column("do_you_think_you_need", Enum("Yes","No"))
    at_which_point_and_why : Mapped[str] = mapped_column("at_which_point_and_why", 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="adapting_supply_chain")
    
    
    @classmethod
    def create(cls, data:AdaptingSupplyChainBase, db:Session) ->"TblAdaptingSupplyChain":
        create_data = cls(**data.model_dump())
        db.add(create_data)
        db.flush()
        return create_data
    
    @classmethod 
    def get(cls, group_id:int, db:Session) ->"TblAdaptingSupplyChain":
        get_data = db.query(cls).filter(cls.group_id == group_id).all()
        return get_data
    
    @classmethod
    def update(cls, adapting_id:int, data:AdaptingSupplyChainBase, db:Session) ->"TblAdaptingSupplyChain":
        update_data = db.query(cls).filter(cls.adapting_id == adapting_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(cls, adapting_id:int, db:Session) ->"TblAdaptingSupplyChain":
        delete_data = db.query(cls).filter(cls.adapting_id == adapting_id).first()
        if not delete_data:
            return False
        db.delete(delete_data)
        db.commit()
        return True