@using System.Text
@using HopFrame.Core.Config
@using HopFrame.Core.Services

<FluentHeader Class="hopframe-header">
    <a href="/admin" style="text-decoration: none; color: @Color.Neutral.ToAttributeValue();">HopFrame</a>

    @if (Config.DisplayUserInfo) {
        <FluentPersona Name="@_displayName" Initials="@_initials" ImageSize="32px" TextPosition="TextPosition.Start" Style="margin-left: auto"/>
    }

</FluentHeader>

@inject HopFrameConfig Config
@inject IHopFrameAuthHandler Handler

@code {

    private string? _displayName;
    private string? _initials;

    protected override async Task OnInitializedAsync() {
        if (Config.DisplayUserInfo) {
            _displayName = await Handler.GetCurrentUserDisplayNameAsync();
            _initials = GetInitials(_displayName);
        }
    }

    private static string GetInitials(string input) {
        if (string.IsNullOrEmpty(input))
            return string.Empty;

        StringBuilder initials = new StringBuilder();
        string[] words = input.Split([' ', '.', '_'], StringSplitOptions.RemoveEmptyEntries);

        foreach (string word in words) {
            if (!string.IsNullOrEmpty(word) && char.IsLetter(word[0]))
                initials.Append(word[0]);
        }

        return initials.ToString().ToUpper();
    }


}