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

class LandingPageBase(BaseModel):
    landing_id  : int | None = Field(default=None)
    name : str | None = Field(default=None)
    email : str | None = Field(default=None)
    institution_name : str | None = Field(default=None)

class TblLandingPage(Base):
    __tablename__ = "tbl_landing_page"
    landing_id : Mapped[int] = mapped_column("landing_id", Integer, primary_key=True, autoincrement=True)
    name : Mapped[str] = mapped_column("name", VARCHAR(25), server_default=None, nullable=True)
    email : Mapped[str] = mapped_column("email", VARCHAR(20), server_default=None, nullable=True)
    institution_name : Mapped[str] = mapped_column("institution_name", VARCHAR(100), server_default=None, nullable=True)
    
    @classmethod
    def create(cls, data:LandingPageBase, db:Session) ->"TblLandingPage":
        create_data = cls(**data.model_dump())
        db.add(create_data)
        db.flush()
        return create_data

    @classmethod
    def get(cls, landing_id:int, db:Session) ->"TblLandingPage":
        get_data = db.query(cls).filter(cls.landing_id == landing_id).first()
        return get_data