from typing import Optional

from sqlalchemy.orm import Session

from app.application.appeals_topics_repository import AppealsTopicsRepository
from app.domain.entities.appeals_topics_entity import AppealTopicEntity
from app.domain.models.appeals_topics import AppealsTopic


class AppealsTopicService:
    def __init__(self, db: Session):
        self.appeals_topics_repository = AppealsTopicsRepository(db)

    def get_all(self) -> list[AppealTopicEntity]:
        appeals_topics = self.appeals_topics_repository.get_all()
        return [
            AppealTopicEntity(
                id=appeals_topic.id,
                title=appeals_topic.title,
            ) for appeals_topic in appeals_topics
        ]

    def get_by_id(self, appeals_topic_id: int) -> Optional[AppealTopicEntity]:
        appeals_topic = self.appeals_topics_repository.get_by_id(appeals_topic_id)
        if appeals_topic:
            return AppealTopicEntity(
                id=appeals_topic.id,
                title=appeals_topic.title,
            )

        return None

    def create(self, appeals_topic: AppealTopicEntity) -> AppealTopicEntity:
        appeals_model = AppealsTopic(
            title=appeals_topic.title,
        )
        created_appeals_topic = self.appeals_topics_repository.create(appeals_model)
        return AppealTopicEntity(
            id=created_appeals_topic.id,
            title=created_appeals_topic.title,
        )

    def update(self, appeals_topic_id: int, appeals_topic: AppealTopicEntity) -> Optional[AppealTopicEntity]:
        appeals_topic_model = self.appeals_topics_repository.get_by_id(appeals_topic_id)
        if appeals_topic_model:
            appeals_topic_model.title = appeals_topic.title
            updated_appeals_topic = self.appeals_topics_repository.update(appeals_topic_model)
            return AppealTopicEntity(
                id=updated_appeals_topic.id,
                title=updated_appeals_topic.title,
            )

        return None

    def delete(self, appeals_topic_id: int) -> bool:
        return self.appeals_topics_repository.delete(appeals_topic_id) is not None