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

class PromotionCompetitorAnalysisBase(BaseModel):
    promotion_id  : int | None = Field(default=None)
    competitor_efforts : dict | None = Field(default=None)
    your_store_type : dict | None = Field(default=None)
    throughout_the_year : dict | None = Field(default=None)
    group_id : int | None = Field(default=None)

class TblPromotionCompetitorAnalysis(Base):
    __tablename__ = "tbl_promotion_competitor_analysis"
    promotion_id : Mapped[int] = mapped_column("promotion_id", Integer, primary_key=True, autoincrement=True)
    competitor_efforts : Mapped[dict] = mapped_column("competitor_efforts", JSON, nullable=True, server_default=None)
    your_store_type : Mapped[dict] = mapped_column("your_store_type", JSON, nullable=True, server_default=None)
    throughout_the_year : Mapped[dict] = mapped_column("throughout_the_year", JSON, nullable=True, server_default=None)
    group_id : Mapped[int] = mapped_column("group_id", ForeignKey("tbl_group.group_id"))
    
    group = relationship("TblGroup", back_populates="promotion_competitor_analysis")  
    
    @classmethod
    def create_promotion(cls, data:PromotionCompetitorAnalysisBase, db:Session) ->"TblPromotionCompetitorAnalysis":
        da = data.model_dump()
        data_dict = cls(**da)
        db.add(data_dict)
        db.flush()
        return data_dict
    
    @classmethod
    def get_promotion(cls, group_id:int, db:Session) ->"TblPromotionCompetitorAnalysis":
        get_data = db.query(cls).filter(cls.group_id == group_id).all()
        return get_data  
    
    @classmethod
    def update_promotion(cls, update_id:int, data:PromotionCompetitorAnalysisBase, db:Session) ->"TblPromotionCompetitorAnalysis":
        update_data = db.query(cls).filter(cls.promotion_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_promotion(cls, promotion_id:int, db:Session) ->"TblPromotionCompetitorAnalysis":
        delete_data = db.query(cls).filter(cls.promotion_id == promotion_id).first()
        if not delete_data:
            return False
        db.delete(delete_data)
        db.commit()
        return delete_data