// functions.js

var express = require('express'),

Parse = require('parse/node').Parse,

PromiseRouter = require('./PromiseRouter'),

rest = require('./rest');

var router = new PromiseRouter();

function handleCloudFunction(req) {

if (Parse.Cloud.Functions[req.params.functionName]) {

var request = {

params: Object.assign({}, req.body, req.query),

master: req.auth && req.auth.isMaster,

user: req.auth && req.auth.user,

installationId: req.info.installationId

};

if (Parse.Cloud.Validators[req.params.functionName]) {

var result = Parse.Cloud.Validators[req.params.functionName](request);

if (!result) {

throw new Parse.Error(Parse.Error.SCRIPT_FAILED, 'Validation failed.');

}

}

return new Promise(function (resolve, reject) {

var response = createResponseObject(resolve, reject);

Parse.Cloud.Functions[req.params.functionName](request, response);

});

} else {

throw new Parse.Error(Parse.Error.SCRIPT_FAILED, 'Invalid function.');

}

}

function createResponseObject(resolve, reject) {

return {

success: function(result) {

resolve({

response: {

result: Parse._encode(result)

}

});

},

error: function(error) {

reject(new Parse.Error(Parse.Error.SCRIPT_FAILED, error));

}

}

}

router.route('POST', '/functions/:functionName', handleCloudFunction);

module.exports = router;