@using System.Threading.Tasks;
@using Sandbox;
@using Sandbox.UI;
@using Sandbox.Network;
@namespace Battlebugs
@inherits Panel
@attribute [StyleSheet]

<root>
	<label class="header">Lobbies</label>
	<div class="lobbies">
		@if (!refreshing && list.Count > 0)
		{
			@foreach (var lobby in list)
			{
				<div class="lobby" onclick=@(() => JoinLobby(lobby))>
					<img src="ui/gamepad.png" />
					<div class="info">
						<label class="name">@lobby.Name</label>
						@* <label class="desc">Looking for opponent...</label> *@
					</div>
					<div class="players">
						<i>person</i>
						<label>@lobby.Members/2</label>
					</div>
				</div>
			}
		}
		else
		{
			<div class="no-lobbies">
				No lobbies found...
			</div>
		}
		@* Uncomment the block below to preview a lobby entry *@
		@* <div class="lobby">
		<img src="ui/gamepad.png" />
		<div class="info">
		<label class="name">Carson vs Bakscratch</label>
		<label class="desc">Waiting for players...</label>
		</div>
		<div class="players">
		<i>person</i>
		<label>1/2</label>
		</div>
		</div> *@
	</div>
</root>

@code
{
	List<LobbyInformation> list = new();
	bool refreshing = true;

	protected override void OnAfterTreeRender(bool firstTime)
	{
		base.OnAfterTreeRender(firstTime);

		if (firstTime)
		{
			_ = RefreshLobbyList();
		}
	}

	async Task RefreshLobbyList()
	{
		while (true)
		{
			await Refresh();
			await Task.DelayRealtimeSeconds(5f);
		}
	}

	async Task Refresh()
	{
		refreshing = true;
		StateHasChanged();

		list = await Networking.QueryLobbies();

		refreshing = false;
		StateHasChanged();
	}

	void JoinLobby(LobbyInformation lobby)
	{
		Networking.Connect(lobby.LobbyId);
	}

	protected override int BuildHash() => System.HashCode.Combine("");
}