let rooms = {};
let roomToDelete = null;

function openRoom(currentRoom) {
    alert('Вы вошли в комнату: ' + currentRoom);
}

function closeAdd() {
    document.getElementById('add_members').style.display = 'none';
}

function openAdd() {
    document.getElementById('add_members').style.display = 'flex';
}

function openConfirm(roomName) {
    roomToDelete = roomName;
    document.getElementById("delete-chat").style.display = "flex";
}

function closeConfirm() {
    roomToDelete = null;
    document.getElementById("delete-chat").style.display = "none";
}

function deleteChat() {
    if (roomToDelete && rooms[roomToDelete]) {
        delete rooms[roomToDelete];
        removeRoomFromList(roomToDelete);
        closeConfirm();
    } else {
        alert("Не удалось найти выбранную комнату.");
    }
}

function addMember() {
    const login = document.getElementById('newMemberLogin').value;
    if (login) {
        alert(`Участник с никнеймом '${login}' добавлен`);
        closeAdd();
    } else {
        alert('Пожалуйста, введите логин участника');
    }
}

function openCreateRoomModal() {
    document.getElementById('createRoomModal').style.display = 'block';
}

function closeCreateRoomModal() {
    document.getElementById('createRoomModal').style.display = 'none';
}

function createRoom() {
    const roomName = document.getElementById('newRoomName').value.trim();
    if (roomName === '') {
        alert('Пожалуйста, заполните все поля.');
        return;
    }
    if (rooms[roomName]) {
        alert('Комната с таким названием уже существует.');
        return;
    }
    rooms[roomName] = true;
    addRoomToList(roomName);
    closeCreateRoomModal();
}

function addRoomToList(roomName) {
    const roomList = document.querySelector('.room-list');
    const existingRoomItem = Array.from(roomList.children).find(item => item.querySelector('.room-name').textContent === roomName);
    if (existingRoomItem) {
        existingRoomItem.remove();
    }

    const roomItem = document.createElement('li');
    roomItem.classList.add('room-item');

    roomItem.innerHTML = `
        <span class="room-name">${roomName}</span>
        <button class="delete-chat-button" onclick="openConfirm('${roomName}')">Удалить чат</button>
        <button class="add-members-button" onclick="openAdd()">Добавить участников</button>
        <button class="join-button" onclick="openRoom('${roomName}')">Войти</button>
    `;

    roomList.appendChild(roomItem);
}

function removeRoomFromList(roomName) {
    const roomList = document.querySelector('.room-list');
    const roomItem = Array.from(roomList.children).find(item => item.querySelector('.room-name').textContent === roomName);
    if (roomItem) {
        roomList.removeChild(roomItem);
    }
}

function initializeRoomList() {
    Object.keys(rooms).forEach(roomName => {
        addRoomToList(roomName);
    });
}

initializeRoomList();

window.onclick = function(event) {
    if (event.target === document.getElementById('createRoomModal')) {
        closeCreateRoomModal();
    }
}

document.getElementById('newRoomName').addEventListener('keydown', function(event) {
    if (event.key === 'Enter') {
        createRoom();
    }
});