@namespace SufiChain.SufiBlazor.Components.Overlays
@using SufiChain.SufiBlazor.Components.Common
@using SufiChain.SufiBlazor.Components.Actions
@inject IStringLocalizer<SufiBlazorResource> L
@inject IStringLocalizer<SufiBlazorResource> L

@if (_isOpen)
{
    <div class="sb-confirm-dialog-overlay" @onclick="OnOverlayClick">
        <div class="sb-confirm-dialog sb-confirm-dialog--@Variant.ToString().ToLower() @Class" @onclick:stopPropagation="true" role="alertdialog" aria-modal="true">
            @if (Icon != null)
            {
                <div class="sb-confirm-dialog__icon sb-confirm-dialog__icon--@Variant.ToString().ToLower()">
                    @Icon
                </div>
            }
            else
            {
                <div class="sb-confirm-dialog__icon sb-confirm-dialog__icon--@Variant.ToString().ToLower()">
                    <SbIcon Name="@GetDefaultIconName()" Size="SbSize.Lg" />
                </div>
            }
            
            <div class="sb-confirm-dialog__content">
                <h3 class="sb-confirm-dialog__title">@Title</h3>
                @if (!string.IsNullOrEmpty(Message))
                {
                    <p class="sb-confirm-dialog__message">@Message</p>
                }
                @if (ChildContent != null)
                {
                    <div class="sb-confirm-dialog__body">
                        @ChildContent
                    </div>
                }
            </div>
            
            <div class="sb-confirm-dialog__actions">
                @if (ShowCancelButton)
                {
                    <SbButton Variant="SbButtonVariant.Ghost" OnClick="Cancel">@(CancelText ?? L["Cancel"])</SbButton>
                }
                <SbButton Variant="SbButtonVariant.Solid"
                          Color="@GetConfirmButtonColor()"
                          OnClick="Confirm">
                    @(ConfirmText ?? L["Confirm"])
                </SbButton>
            </div>
        </div>
    </div>
}

@code {
    private bool _isOpen;
    private TaskCompletionSource<bool>? _tcs;
    
    /// <summary>
    /// Dialog title.
    /// </summary>
    [Parameter]
    public string Title { get; set; } = "Confirm";
    
    /// <summary>
    /// Dialog message.
    /// </summary>
    [Parameter]
    public string? Message { get; set; }
    
    /// <summary>
    /// Dialog content.
    /// </summary>
    [Parameter]
    public RenderFragment? ChildContent { get; set; }
    
    /// <summary>
    /// Custom icon.
    /// </summary>
    [Parameter]
    public RenderFragment? Icon { get; set; }
    
    /// <summary>
    /// Dialog variant.
    /// </summary>
    [Parameter]
    public SbConfirmDialogVariant Variant { get; set; } = SbConfirmDialogVariant.Default;
    
    /// <summary>
    /// Confirm button text.
    /// </summary>
    [Parameter]
    public string? ConfirmText { get; set; }
    
    /// <summary>
    /// Cancel button text.
    /// </summary>
    [Parameter]
    public string? CancelText { get; set; }
    
    /// <summary>
    /// Whether to show cancel button.
    /// </summary>
    [Parameter]
    public bool ShowCancelButton { get; set; } = true;
    
    /// <summary>
    /// Whether clicking outside closes the dialog.
    /// </summary>
    [Parameter]
    public bool CloseOnOverlayClick { get; set; } = true;
    
    /// <summary>
    /// Callback when confirmed.
    /// </summary>
    [Parameter]
    public EventCallback OnConfirm { get; set; }
    
    /// <summary>
    /// Callback when cancelled.
    /// </summary>
    [Parameter]
    public EventCallback OnCancel { get; set; }
    
    /// <summary>
    /// Additional CSS classes.
    /// </summary>
    [Parameter]
    public string? Class { get; set; }
    
    private string GetDefaultIconName() => Variant switch
    {
        SbConfirmDialogVariant.Danger => "warning",
        SbConfirmDialogVariant.Warning => "warning",
        SbConfirmDialogVariant.Info => "info",
        _ => "help-circle"
    };

    private SbColor GetConfirmButtonColor() => Variant switch
    {
        SbConfirmDialogVariant.Danger => SbColor.Danger,
        SbConfirmDialogVariant.Warning => SbColor.Warning,
        SbConfirmDialogVariant.Info => SbColor.Info,
        _ => SbColor.Primary
    };
    
    /// <summary>
    /// Show the dialog and wait for result.
    /// </summary>
    public Task<bool> ShowAsync()
    {
        _tcs = new TaskCompletionSource<bool>();
        _isOpen = true;
        StateHasChanged();
        return _tcs.Task;
    }
    
    /// <summary>
    /// Show the dialog.
    /// </summary>
    public void Show()
    {
        _isOpen = true;
        StateHasChanged();
    }
    
    /// <summary>
    /// Close the dialog.
    /// </summary>
    public void Close()
    {
        _isOpen = false;
        StateHasChanged();
    }
    
    private async Task Confirm()
    {
        _isOpen = false;
        _tcs?.TrySetResult(true);
        await OnConfirm.InvokeAsync();
    }
    
    private async Task Cancel()
    {
        _isOpen = false;
        _tcs?.TrySetResult(false);
        await OnCancel.InvokeAsync();
    }
    
    private async Task OnOverlayClick()
    {
        if (CloseOnOverlayClick)
        {
            await Cancel();
        }
    }
}