const { expect } = require('chai');
const io = require('socket.io-client');

const SERVER_URL = 'http://localhost:3000';

describe('Token Economy', function () {
    this.timeout(5000);
    let socket;
    const walletAddress = 'TokenTestWallet_' + Date.now();
    const username = 'TokenUser_' + Date.now();

    before((done) => {
        // Ensure server is running (assuming it's started externally or we rely on it)
        // For this test, we assume the server is running on port 3000 as per package.json start script
        // If not, we might need to start it here, but usually integration tests assume environment

        socket = io(SERVER_URL);
        socket.on('connect', done);
    });

    after((done) => {
        if (socket.connected) {
            socket.disconnect();
        }
        done();
    });

    it('should initialize user with 100 PLEXUS', (done) => {
        socket.emit('join', { walletAddress, username });

        socket.once('balanceUpdated', (data) => {
            expect(data.balance).to.equal(100);
            done();
        });
    });

    it('should deduct 1 PLEXUS when sending a message', (done) => {
        // Wait for join to complete if not already
        // We can just emit sendMessage, but we need to be sure we are joined?
        // The previous test joined, so we should be good.

        const channelId = 'nebula';
        const content = 'Hello World';
        const txId = 'TX_TEST_' + Date.now();

        // Listen for balance update
        socket.once('balanceUpdated', (data) => {
            expect(data.balance).to.equal(99);
            done();
        });

        socket.emit('sendMessage', { channelId, walletAddress, content, txId });
    });

    it('should deduct 30 PLEXUS when changing username', (done) => {
        const newUsername = 'RichUser_' + Date.now();
        const txId = 'TX_NAME_' + Date.now();

        socket.once('balanceUpdated', (data) => {
            // 99 - 30 = 69
            expect(data.balance).to.equal(69);
            done();
        });

        socket.emit('updateUsername', { walletAddress, newUsername, txId });
    });
});