import PlaylistService from '../services/PlaylistService.js';
import {validationResult} from 'express-validator';
import ApiError from './ErrorController.js';

class PlaylistController {
    async create(req, res, next) {
        try {
            const errors = validationResult(req);
            if(!errors.isEmpty()) {
                return next(ApiError.BadRequest('Ошибка при валидации', errors.array()));
            }
            
            const { name } = req.body; 
            const playlist = await PlaylistService.create({name});
            return res.json(playlist);
        } catch (e) {
            next(e);
        }
    }
    
    async getAll(req, res, next) {
        try {
            const {page, search} = req.query;
            const playlists = await PlaylistService.getAll({page, search});
            res.set('Access-Control-Expose-Headers', 'X-total-count');
            res.set('X-total-count', playlists.count);
            return res.json({playlists: playlists.playlists});
        } catch (e) {
            next(e);
        }
    }

    async getOne(req, res, next) {
        try {
            const { id } = req.params; 
            const playlist = await PlaylistService.getOne({id});
            return res.json(playlist);
        } catch (e) {
            next(e);
        }
    }

    async edit(req, res, next) {
        try {
            const { id } = req.params;
            const { name } = req.body;
            const playlist = await PlaylistService.edit({id, name});
            return res.json(playlist);
        } catch (e) {
            next(e);
        }
    }

    async delete(req, res, next) {
        try {
            const { id } = req.params; 
            const playlist = await PlaylistService.delete({id});
            return res.json(playlist);
        } catch (e) {
            next(e);
        }
    }
}

export default new PlaylistController();