from typing import List, Optional

from sqlalchemy.orm import Session

from app.core.entities.status import StatusEntity
from app.infrastructure.database.models.statuses import Status
from app.infrastructure.database.repository.status_repository import StatusRepository


class StatusService:
    def __init__(self, db: Session):
        self.repository = StatusRepository(db)

    def get_all_statuses(self) -> List[StatusEntity]:
        statuses = self.repository.get_all()
        return [StatusEntity(s.id, s.name) for s in statuses]

    def get_status_by_id(self, status_id: int) -> Optional[StatusEntity]:
        status = self.repository.get_by_id(status_id)
        if status:
            return StatusEntity(status.id, status.name)

        return None

    def create_status(self, entity: StatusEntity) -> StatusEntity:
        status_model = Status(name=entity.name)
        created_status = self.repository.create(status_model)
        return StatusEntity(created_status.id, created_status.name)

    def update_status(self, status_id: int, entity: StatusEntity) -> Optional[StatusEntity]:
        status_model = self.repository.get_by_id(status_id)
        if status_model:
            status_model.name = entity.name
            self.repository.update(status_model)
            return StatusEntity(status_model.id, status_model.name)

        return None

    def delete_status(self, status_id: int) -> bool:
        return self.repository.delete(status_id) is not None