@using Microsoft.AspNetCore.SignalR.Client
@using spanreed.Shared
@inject NavigationManager NavigationManager
@implements IDisposable
@inject HttpClient Http

<div class="top-row pl-4 navbar navbar-dark">
    <a class="navbar-brand" href="">spanreed</a>
    <button class="navbar-toggler" @onclick="ToggleNavMenu">
        <span class="navbar-toggler-icon"></span>
    </button>
</div>

<div class="@NavMenuCssClass" @onclick="ToggleNavMenu">
    <ul class="nav flex-column">
        @foreach (var room in rooms) {
            <li class="nav-item px-3">
                <NavLink class="nav-link" href=@room>
                    <span class="oi oi-list-rich" aria-hidden="true"></span> @room
                </NavLink>
            </li>
        }
        <li class="nav-item px-3">
            <span class="oi" aria-hidden="true"></span> <input id="nav-text" class="nav" type="text" @bind=NewRoomBox @onkeypress=EnterBar placeholder="Create Room">
        </li>
    </ul>
</div>

@code {
    private string NewRoom;
    private string NewRoomBox;
    private bool collapseNavMenu = true;

    private string NavMenuCssClass => collapseNavMenu ? "collapse" : null;

    private void ToggleNavMenu()
    {
        collapseNavMenu = !collapseNavMenu;
    }

    private HubConnection hubConnection;
    private List<string> rooms = new List<string>();

    protected override async Task OnInitializedAsync() {
        hubConnection = new HubConnectionBuilder().WithUrl(NavigationManager.ToAbsoluteUri("/addroom")).Build();
        hubConnection.On<string>("NewRoom", name => {
            rooms.Add(name);
            rooms.Sort();
            StateHasChanged();
        });
        var existing_rooms = await Http.GetFromJsonAsync<string[]>("Room");

        if (existing_rooms != null) {
            foreach (var room in existing_rooms)
            {
                rooms.Add(room);
                rooms.Sort();
            }
        }
        await hubConnection.StartAsync();
        var roomName = NavigationManager.Uri.Split("/").LastOrDefault();
        if (roomName.Length > 0) {
            await hubConnection.SendAsync("AddRoom", NavigationManager.Uri.Split("/").LastOrDefault());
        }
    }

    async Task EnterBar(KeyboardEventArgs e) {
        if (e.Key.Equals("Enter")) {
            Console.WriteLine(NewRoom);
            await hubConnection.SendAsync("AddRoom", NewRoom);
            NavigationManager.NavigateTo(NewRoom);
            NewRoom = "";
            NewRoomBox = "";
        } else if (e.Key.Length == 1) {
            NewRoom = NewRoom + e.Key;
        }
    }

    public bool IsConnected =>
        hubConnection.State == HubConnectionState.Connected;

    public void Dispose() {
        _ = hubConnection.DisposeAsync();
    }
}