import Artist from '../models/Artist.js';
import ApiError from '../controllers/ErrorController.js';

class ArtistService {
    async create({name, soundcloud, facebook, spotify}) {
        const artist = await Artist.create({name, soundcloud, facebook, spotify, date: new Date()});

        return {artist};
    }
    
    async getAll({page, search}) {
        const limit = page ? 10 : 0 

        const artists = await Artist.find({name: {$regex: search || '', $options: 'i'}}).skip(page * limit).limit(limit).sort({_id: -1});
        const count = await Artist.countDocuments({name: {$regex: search || '', $options: 'i'}});
        return {artists, count: Math.ceil(count/limit)};
    }

    async getOne({id}) {
        const artist = await Artist.findById(id);
        if(!artist) {
            throw ApiError.BadRequest('Исполнителя не существует'); 
        }

        return {artist};
    }
    async edit({id, name, soundcloud, facebook, spotify}) {
        const artist = await Artist.findByIdAndUpdate(id, {name, soundcloud, facebook, spotify}, {returnOriginal: false});
        if(!artist) {
            throw ApiError.BadRequest('Исполнителя не существует'); 
        }
        
        return {artist};
    }

    async delete({id}) {
        const artist = await Artist.findByIdAndDelete(id).select(['login']);
        if(!artist) {
            throw ApiError.BadRequest('Исполнителя не существует'); 
        }

        return {artist};
    }
}

export default new ArtistService();