const ObjectId = require('mongodb').ObjectId;
const Repository = require('../repository/repository');
const router = require('express').Router();

const applicationRepository = new Repository('applications');

router.get('/', (request, response) => {
    applicationRepository.find({}, results => {
        response.json(results);
    });
});

router.post('/', (request, response) => {
    applicationRepository.insert(request.body, (result) => {
        response.json(result);
    });
});

router.put('/:applicationId', (request, response) => {
    const applicationId = ObjectId(request.params.applicationId);
    applicationRepository.find({_id: applicationId}, entity => {
        if (entity.length === 0) {
            response.status(404).send();
        } else {
            const applicationToUpdate = request.body;
            applicationToUpdate._id = applicationId;
            applicationRepository.update(applicationToUpdate, () => {
                response.status(204).send();
            });
        }
    });
});

router.delete('/:applicationId', (request, response) => {
    const applicationId = ObjectId(request.params.applicationId);
    applicationRepository.find({_id: applicationId}, entity => {
        if (entity.length === 0) {
            response.status(404).send();
        } else {
            applicationRepository.delete(applicationId, () => {
                response.status(204).send();
            });
        }
    });
});

module.exports = router;