@using LibMatrix
@using LibMatrix.EventTypes.Spec.State
@using LibMatrix.Helpers
@using LibMatrix.Homeservers
@using LibMatrix.Responses
<div style="background-color: #ffffff11; border-radius: 0.5em; height: 1em; display: inline-block; vertical-align: middle;" alt="@UserId">
    <img style="@(ChildContent is not null ? "vertical-align: baseline;" : "vertical-align: top;") width: 1em; height: 1em; border-radius: 50%;" src="@ProfileAvatar"/>
    <span style="position: relative; top: -5px;">@ProfileName</span>

    <div style="display: inline-block;">
        @if (ChildContent is not null) {
            @ChildContent
        }
    </div>

</div>

@code {

    [Parameter]
    public RenderFragment? ChildContent { get; set; }

    [Parameter]
    public UserProfileResponse? User { get; set; }

    [Parameter]
    public RoomMemberEventContent? MemberEvent { get; set; }

    [Parameter]
    public string? UserId { get; set; }

    [Parameter]
    public string? ProfileAvatar { get; set; } = null;

    [Parameter]
    public string? ProfileName { get; set; } = null;

    [Parameter]
    public AuthenticatedHomeserverGeneric? Homeserver { get; set; }

    private static SemaphoreSlim _semaphoreSlim = new(128);

    protected override async Task OnInitializedAsync() {
        await base.OnInitializedAsync();
        Homeserver ??= await RMUStorage.GetCurrentSessionOrNavigate();
        if(Homeserver is null) return;

        await _semaphoreSlim.WaitAsync();

        if (User == null && UserId == null && MemberEvent != null)
            throw new ArgumentNullException(nameof(UserId));

        if (MemberEvent != null) {
            User = new UserProfileResponse {
                AvatarUrl = MemberEvent.AvatarUrl,
                DisplayName = MemberEvent.DisplayName
            };
        }

        if (User is null && UserId is not null) {
            User ??= await Homeserver.GetProfileAsync(UserId);
        }


        ProfileAvatar ??= Homeserver.ResolveMediaUri(User.AvatarUrl);
        ProfileName ??= User.DisplayName;

        _semaphoreSlim.Release();
    }

}