@page "/RoomManager"
@inject ILocalStorageService LocalStorage
@inject NavigationManager NavigationManager
<h3>Room manager</h3>
<hr/>
@if (Rooms.Count == 0)
{
    <p>You are not in any rooms!</p>
    @* <p>Loading progress: @checkedRoomCount/@totalRoomCount</p> *@
}
else
{
    <p>You are in @Rooms.Count rooms and @Spaces.Count spaces</p>
    <details open>
        <summary>Space List</summary>
        @foreach (var room in Spaces)
        {
            <a style="color: unset; text-decoration: unset;" href="/RoomManager/Space/@room.RoomId.Replace('.', '~')"><RoomListItem Room="@room" ShowOwnProfile="true"></RoomListItem></a>
        }
    </details>
    <details open>
        <summary>Room List</summary>
        @foreach (var room in Rooms)
        {
            <a style="color: unset; text-decoration: unset;" href="/RoomManager/Room/@room.RoomId.Replace('.', '~')"><RoomListItem Room="@room" ShowOwnProfile="true"></RoomListItem></a>
        }
    </details>
    
}

<div style="margin-bottom: 4em;"></div>
<LogView></LogView>

@code {
    public List<Room> Rooms { get; set; } = new();
    public List<Room> Spaces { get; set; } = new();
    protected override async Task OnInitializedAsync()
    {
        if (!RuntimeCache.WasLoaded) await LocalStorageWrapper.LoadFromLocalStorage(LocalStorage);
        await base.OnInitializedAsync();
        if (RuntimeCache.CurrentHomeServer == null)
        {
            NavigationManager.NavigateTo("/Login");
            return;
        }
        Rooms = await RuntimeCache.CurrentHomeServer.GetJoinedRooms();
        StateHasChanged();
        var semaphore = new SemaphoreSlim(1000);
        var tasks = new List<Task<Room?>>();
        foreach (var room in Rooms)
        {
            tasks.Add(CheckIfSpace(room, semaphore));
        }
        await Task.WhenAll(tasks);
        
        Console.WriteLine("Fetched joined rooms!");
    }
    
    private async Task<Room?> CheckIfSpace(Room room, SemaphoreSlim semaphore)
    {
        await semaphore.WaitAsync();
        try
        {
            var state = await room.GetStateAsync("m.room.create");
            if (state != null)
            {
                //Console.WriteLine(state.Value.ToJson());
                if(state.Value.TryGetProperty("type", out var type))
                {
                    if(type.ToString() == "m.space")
                    {
                        Spaces.Add(room);
                        Rooms.Remove(room);
                        StateHasChanged();
                        return room;
                    }
                }
                else
                {
                    //this is fine, apprently...
                    //Console.WriteLine($"Room {room.RoomId} has no content.type in m.room.create!");
                }
            }
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
            return null;
        }
        finally
        {
            semaphore.Release();
        }
        return null;
    }
}