const assert = require('assert');
const EventEmitter = require('events');
const IRCServer = require("../src/server.js");

describe("NICK OK", function () {
    it("should handle a NICK command -> NICK some_nickname", function () {
        const server = IRCServer.create()
        let mockedSock = new EventEmitter()
        mockedSock.write = function (data) {
            assert.equal(data.toString("ascii"), "001")
            done()
        }
        mockedSock.destroy = function () {
            done("Destroyed socket without answering")
        }

        server.emit("connection", mockedSock)
        mockedSock.emit('data', Buffer.from("NICK some_nick\r\n", "ascii"))
        assert.deepEqual(Object.keys(server.getUserlist()), ["some_nick"]);
    })
})
describe("NICK already registered", function () {
    it("should handle a NICK command -> NICK some_nickname", function (done) {
        const server = IRCServer.create()
        let mockedSock1 = new EventEmitter()
        mockedSock1.write = function (data) {
            done("send data to wrong socket")
        }
        mockedSock1.destroy = function () {
            done("Destroyed socket without answering")
        }
        let mockedSock2 = new EventEmitter()
        mockedSock2.write = function (data) {
            assert.equal(data.toString("ascii"), ":irc.example.com 433 some_nick :Nickname is already in use")
            done()
        }
        mockedSock2.destroy = function () {
            done("Destroyed socket without answering")
        }

        server.emit("connection", mockedSock1)
        server.emit("connection", mockedSock2)
        mockedSock1.emit('data', Buffer.from("NICK some_nick\r\n", "ascii"))
        mockedSock2.emit('data', Buffer.from("NICK some_nick\r\n", "ascii"))
    })
})
describe("NICK no NICK given", function () {
    it("should handle a NICK command -> NICK ", function (done) {
        const server = IRCServer.create()
        let mockedSock = new EventEmitter()
        mockedSock.write = function (data) {
            assert.equal(data.toString("ascii"), ":irc.example.com 431 :No nickname given")
            done()
        }
        mockedSock.destroy = function () {
            done("Destroyed socket without answering")
        }

        server.emit("connection", mockedSock)
        mockedSock.emit('data', Buffer.from("NICK \r\n", "ascii"))
    })
})