import { DeepPartial, ObjectLiteral, Repository } from "typeorm";
import { QueryDeepPartialEntity } from "typeorm/query-builder/QueryPartialEntity.js";

export class BaseService<T extends ObjectLiteral> {
    constructor(protected readonly repo: Repository<T>) { }

    findAll(relations: string[] = []) {
        return this.repo.find({ relations });
    }

    findOne(id: string, relations: string[] = []) {
        return this.repo.findOne({ where: { id } as any, relations });
    }

    create(data: DeepPartial<T>) {
        const entity = this.repo.create(data);
        return this.repo.save(entity);
    }

    async update(id: string, data: QueryDeepPartialEntity<T>) {
        await this.repo.update(id, data);
        return this.findOne(id);
    }

    delete(id: string) {
        return this.repo.delete(id);
    }
}