const express = require('express');
const validator = require('../../lib/validator');
const jwtdecode = require('../../lib/express/jwt-decode');
const internalSetting = require('../../internal/setting');
const apiValidator = require('../../lib/validator/api');

const router = express.Router({
	caseSensitive: true,
	strict: true,
	mergeParams: true,
});

/**
 * /api/settings
 */
router
	.route('/')
	.options((req, res) => {
		res.sendStatus(204);
	})
	.all(jwtdecode())

	/**
	 * GET /api/settings
	 *
	 * Retrieve all settings
	 */
	.get((req, res, next) => {
		internalSetting
			.getAll(res.locals.access)
			.then((rows) => {
				res.status(200).send(rows);
			})
			.catch(next);
	});

/**
 * Specific setting
 *
 * /api/settings/something
 */
router
	.route('/:setting_id')
	.options((req, res) => {
		res.sendStatus(204);
	})
	.all(jwtdecode())

	/**
	 * GET /settings/something
	 *
	 * Retrieve a specific setting
	 */
	.get((req, res, next) => {
		validator(
			{
				required: ['setting_id'],
				additionalProperties: false,
				properties: {
					setting_id: {
						$ref: 'definitions#/definitions/setting_id',
					},
				},
			},
			{
				setting_id: req.params.setting_id,
			},
		)
			.then((data) => {
				return internalSetting.get(res.locals.access, {
					id: data.setting_id,
				});
			})
			.then((row) => {
				res.status(200).send(row);
			})
			.catch(next);
	})

	/**
	 * PUT /api/settings/something
	 *
	 * Update and existing setting
	 */
	.put((req, res, next) => {
		apiValidator({ $ref: 'endpoints/settings#/links/1/schema' }, req.body)
			.then((payload) => {
				payload.id = req.params.setting_id;
				return internalSetting.update(res.locals.access, payload);
			})
			.then((result) => {
				res.status(200).send(result);
			})
			.catch(next);
	});

module.exports = router;