@using System.Globalization

<div class="space-y-2">
    @if (!HideTabs)
    {
        <div class="flex flex-wrap gap-2 mb-2">
            @foreach (var culture in SupportedCultures)
            {
                <button type="button" @onclick="() => SelectCulture(culture.Key)"
                    class="btn btn-sm @(ActiveCulture == culture.Key ? "btn-primary" : "btn-ghost")">
                    @culture.Value
                </button>
            }
        </div>
    }

    <div class="relative">
        @if (IsTextArea)
        {
            <textarea @bind="CurrentValue" @bind:event="oninput" class="textarea textarea-bordered w-full h-24"
                placeholder="@Placeholder"></textarea>
        }
        else
        {
            <input type="text" @bind="CurrentValue" @bind:event="oninput" class="input input-bordered w-full"
                placeholder="@Placeholder" />
        }
    </div>

    @if (Value != null && Value.ContainsKey(ActiveCulture))
    {
        <div class="text-xs opacity-50 text-right">
            Chars: @Value[ActiveCulture].Length
        </div>
    }
</div>

@code {
    [Parameter] public Dictionary<string, string> Value { get; set; } = new();
    [Parameter] public EventCallback<Dictionary<string, string>> ValueChanged { get; set; }
    [Parameter] public string Placeholder { get; set; } = "";
    [Parameter] public bool IsTextArea { get; set; } = false;

    [Parameter] public string ActiveCulture { get; set; } = "en";
    [Parameter] public EventCallback<string> ActiveCultureChanged { get; set; }
    [Parameter] public bool HideTabs { get; set; } = false;

    private static readonly Dictionary<string, string> SupportedCultures = new()
{
{ "en", "English" },
{ "ar", "العربية" },
{ "es", "Español" },
{ "de", "Deutsch" }
};

    protected override void OnInitialized()
    {
        if (string.IsNullOrEmpty(ActiveCulture))
        {
            // Default to current culture if supported, otherwise en
            var current = CultureInfo.CurrentUICulture.TwoLetterISOLanguageName;
            if (SupportedCultures.ContainsKey(current))
            {
                ActiveCulture = current;
            }
        }
    }

    private string CurrentValue
    {
        get => Value != null && Value.TryGetValue(ActiveCulture, out var v) ? v : "";
        set
        {
            if (Value == null) Value = new();
            Value[ActiveCulture] = value;
            ValueChanged.InvokeAsync(Value);
        }
    }

    private async Task SelectCulture(string culture)
    {
        ActiveCulture = culture;
        await ActiveCultureChanged.InvokeAsync(culture);
    }
}