/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
const sinon = require('sinon');
const chai = require('chai');
const should = chai.should();
const {
    expect
} = chai;
const modulePath = "../../../app/js/HttpController.js";
const SandboxedModule = require('sandboxed-module');

describe("HttpController", function() {
	beforeEach(function() {
		this.HttpController = SandboxedModule.require(modulePath, { requires: {
			"./ContactManager": (this.ContactManager = {}),
			"logger-sharelatex": (this.logger = { log: sinon.stub() })
		}
	});
		this.user_id = "mock-user-id";
		this.contact_id = "mock-contact-id";
		
		this.req = {};
		this.res = {};
		this.res.status = sinon.stub().returns(this.res);
		this.res.end = sinon.stub();
		this.res.send = sinon.stub();
		return this.next = sinon.stub();
	});

	describe("addContact", function() {
		beforeEach(function() {
			this.req.params =
				{user_id: this.user_id};
			return this.ContactManager.touchContact = sinon.stub().callsArg(2);
		});
		
		describe("with a valid user_id and contact_id", function() {
			beforeEach(function() {
				this.req.body =
					{contact_id: this.contact_id};
				return this.HttpController.addContact(this.req, this.res, this.next);
			});
			
			it("should update the contact in the user's contact list", function() {
				return this.ContactManager.touchContact
					.calledWith(this.user_id, this.contact_id)
					.should.equal(true);
			});
			
			it("should update the user in the contact's contact list", function() {
				return this.ContactManager.touchContact
					.calledWith(this.contact_id, this.user_id)
					.should.equal(true);
			});
			
			return it("should send back a 204 status", function() {
				this.res.status.calledWith(204).should.equal(true);
				return this.res.end.called.should.equal(true);
			});
		});
		
		return describe("with an invalid contact id", function() {
			beforeEach(function() {
				this.req.body =
					{contact_id: ""};
				return this.HttpController.addContact(this.req, this.res, this.next);
			});
			
			return it("should return 400, Bad Request", function() {
				this.res.status.calledWith(400).should.equal(true);
				return this.res.send.calledWith("contact_id should be a non-blank string").should.equal(true);
			});
		});
	});

	return describe("getContacts", function() {
		beforeEach(function() {
			this.req.params =
				{user_id: this.user_id};
			const now = Date.now();
			this.contacts = {
				"user-id-1": { n: 2, ts: new Date(now) },
				"user-id-2": { n: 4, ts: new Date(now) },
				"user-id-3": { n: 2, ts: new Date(now - 1000) }
			};
			return this.ContactManager.getContacts = sinon.stub().callsArgWith(1, null, this.contacts);
		});

		describe("normally", function() {
			beforeEach(function() {
				return this.HttpController.getContacts(this.req, this.res, this.next);
			});
				
			it("should look up the contacts in mongo", function() {
				return this.ContactManager.getContacts
					.calledWith(this.user_id)
					.should.equal(true);
			});
			
			return it("should return a sorted list of contacts by count and timestamp", function() {
				return this.res.send
					.calledWith({
						contact_ids: [
							"user-id-2",
							"user-id-1",
							"user-id-3"
						]
					})
					.should.equal(true);
			});
		});
		
		describe("with more contacts than the limit", function() {
			beforeEach(function() {
				this.req.query =
					{limit: 2};
				return this.HttpController.getContacts(this.req, this.res, this.next);
			});

			return it("should return the most commonly used contacts up to the limit", function() {
				return this.res.send
					.calledWith({
						contact_ids: [
							"user-id-2",
							"user-id-1"
						]
					})
					.should.equal(true);
			});
		});
		
		describe("without a contact list", function() {
			beforeEach(function() {
				this.ContactManager.getContacts = sinon.stub().callsArgWith(1, null, null);
				return this.HttpController.getContacts(this.req, this.res, this.next);
			});

			return it("should return an empty list", function() {
				return this.res.send
					.calledWith({
						contact_ids: []
					})
					.should.equal(true);
			});
		});
		
		return describe("with a holding account", () => it("should not return holding accounts"));
	});
});