const assert = require('assert');
const Channel = require("../src/channel.js");

describe('Channel', function () {
    describe('#contructor()', function () {
        it("should create a channel", function () {
            const channel = new Channel("#testchan")
            assert.equal(typeof channel, 'object')
        })
    })

    describe('#join(user)', function () {
        it("should add the user to a channel and send a JOIN command to the user", function (done) {
            const channel = new Channel("#testchan")
            let mockedUser = {nickname: "some_nick"}
            mockedUser.sendRaw = function(data) {
                assert.equal(data, ":some_nick JOIN #testchan")
                done()
            }
            channel.join(mockedUser)
        })
    })

    describe('#part(user)', function () {
        it("should remove a user from a channel and send a PART command to the user", function (done) {
            const channel = new Channel("#testchan")
            let mockedUser = {nickname: "some_nick"}
            mockedUser.sendRaw = function(data) {
                // we expect a PART message from our user to the channel (including us)
                if (data.indexOf("PART") >= 0) {
                    assert.equal(data, ":some_nick PART #testchan")
                    done()
                }
            }
            // we can't part a channel without joining it first
            channel.join(mockedUser)

            channel.part(mockedUser)
        })
    })

    describe('#sendMsg(from, message)', function () {
        it("should remove a user from a channel and send a PART command to the user", function (done) {
            const channel = new Channel("#testchan")
            let mockedUser = {nickname: "some_nick", sendRaw: function() {}}
            mockedUser.sendMsg = function(from, message, to) {
                assert.equal(from, mockedUser)
                assert.equal(message, "test message")
                assert.equal(to, "#testchan")
                done()
            }
            // we can't part a channel without joining it first
            channel.join(mockedUser)

            channel.sendMsg(mockedUser, "test message")
        })
    })
})