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

class CompetitorBenchmarkingBase(BaseModel):
    
    competitorbenchmarking_id : int | None = Field(default=None)
    reference_competitor : str | None = Field(default=None)
    bills_per_month : int | None = Field(default=None)
    items_pre_bill : int | None = Field(default=None)
    avg_price : int  | None = Field(default=None)
    other_remark : str | None = Field(default=None)
    group_id : int | None = Field(default=None)
    

class TblCompetitorBenchmarking(Base): 
    
    __tablename__="tbl_competitorbenchmarking"
    
    competitorbenchmarking_id : Mapped[int] = mapped_column("competitorbenchmarking_id", Integer, primary_key=True, autoincrement=True)
    reference_competitor : Mapped[str] = mapped_column("reference_competitor", VARCHAR(255), nullable=True, server_default=None)
    bills_per_month : Mapped[int] = mapped_column("bills_per_month", Integer, nullable=True, server_default=None)
    items_pre_bill : Mapped[int] = mapped_column("items_pre_bill", Integer, nullable=True, server_default=None)
    avg_price : Mapped[int] = mapped_column("avg_price", Integer, 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(Integer, ForeignKey("tbl_group.group_id"), nullable=False)
    
    group = relationship("TblGroup", back_populates="competitor_bench_marking")
    
    @classmethod
    def create(cls, data: CompetitorBenchmarkingBase, db: Session) ->"TblCompetitorBenchmarking":
        data_dict = data.model_dump()
        new_data = cls(**data_dict)
        db.add(new_data)
        db.flush()
        return new_data
    
    @classmethod
    def get_by_competitor_benchmarking(cls, competitor_benchmarking_id: int , db: Session) ->"TblCompetitorBenchmarking":
        get_data = db.query(cls).filter(cls.competitorbenchmarking_id == competitor_benchmarking_id).first()
        return get_data
    
    @classmethod
    def update_competitor_benchmarking(cls, competitor_benchmarking_update_id: int, data: CompetitorBenchmarkingBase, db: Session) ->"TblCompetitorBenchmarking":
        update_data = db.query(cls).filter(cls.competitorbenchmarking_id == competitor_benchmarking_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_competitor_benchmarking(cls, competitor_benchmarking_delete_id: int, db: Session) ->"TblCompetitorBenchmarking":
        delete_data = db.query(cls).filter(cls.competitorbenchmarking_id == competitor_benchmarking_delete_id).first()
        if not delete_data:
            return False
        db.delete(delete_data)
        db.commit()
        return True