'use strict';

exports = module.exports = {
    getSystemGraphs,
    getAppGraphs
};

const assert = require('assert'),
    graphs = require('../graphs.js'),
    HttpError = require('connect-lastmile').HttpError,
    HttpSuccess = require('connect-lastmile').HttpSuccess,
    safe = require('safetydance');

async function getSystemGraphs(req, res, next) {
    if (!req.query.fromMinutes || !parseInt(req.query.fromMinutes)) return next(new HttpError(400, 'fromMinutes must be a number'));

    const fromMinutes = parseInt(req.query.fromMinutes);
    const noNullPoints = !!req.query.noNullPoints;
    const [error, result] = await safe(graphs.getSystem(fromMinutes, noNullPoints));
    if (error) return next(new HttpError(500, error));

    next(new HttpSuccess(200, result));
}

async function getAppGraphs(req, res, next) {
    assert.strictEqual(typeof req.app, 'object');

    if (!req.query.fromMinutes || !parseInt(req.query.fromMinutes)) return next(new HttpError(400, 'fromMinutes must be a number'));

    const fromMinutes = parseInt(req.query.fromMinutes);
    const noNullPoints = !!req.query.noNullPoints;
    const [error, result] = await safe(graphs.getByApp(req.app, fromMinutes, noNullPoints));
    if (error) return next(new HttpError(500, error));

    next(new HttpSuccess(200, result));
}