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

class StoreLevelStaffNeedsBase(BaseModel):
    
    store_id : int | None = Field(default=None)
    designation : str | None = Field(default=None)
    average_salary : float | None = Field(default=None)
    count : int | None = Field(default=None)
    store_formate_type : str | None = Field(default=None)
    group_id : int | None = Field(default=None)

class TblStoreLevelStaffNeeds(Base):
    __tablename__ = "tbl_store_staff_needs"
    store_id : Mapped[int] = mapped_column("store_id", Integer, primary_key=True, autoincrement=True)
    designation : Mapped[str] = mapped_column("designation", VARCHAR(255), nullable=True, server_default=None)
    average_salary : Mapped[float] = mapped_column("average_salary", Float, nullable=True, server_default=None)
    count : Mapped[int] = mapped_column("count", Integer, nullable=True, server_default=None)
    store_formate_type : Mapped[str] = mapped_column("store_formate_type", Enum("Store Format A", "Store Format B"))
    group_id : Mapped[int] = mapped_column("group_id", Integer, ForeignKey("tbl_group.group_id"))
    
    group = relationship("TblGroup", back_populates="store_level_staff_needs")
    
    @classmethod
    def create_store_level_staff(cls, data:StoreLevelStaffNeedsBase, db:Session) ->"TblStoreLevelStaffNeeds":
        data_dict = data.model_dump()
        new_data = cls(**data_dict)
        db.add(new_data)
        db.flush()
        return new_data
    
    @classmethod
    def get_store_level_staff(cls, group_id:int, db:Session) ->"TblStoreLevelStaffNeeds":
        get_data = db.query(cls).filter(cls.group_id == group_id).all()
        return get_data
    
    @classmethod
    def update_store_level_staff(cls, store_update_id:int, data:StoreLevelStaffNeedsBase, db:Session) ->"TblStoreLevelStaffNeeds":
        update_data = db.query(cls).filter(cls.store_id == store_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_store_level_staff(cls, store_id:int, db:Session) ->"TblStoreLevelStaffNeeds":
        delete_data = db.query(cls).filter(cls.store_id == store_id).first()
        if not delete_data:
            return False
        db.delete(delete_data)
        db.commit()
        return True