@using MudBlazor

<MudDialog>
    <TitleContent>
        <MudText Typo="Typo.h6">Create Backup</MudText>
    </TitleContent>
    <DialogContent>
        <MudTextField @bind-Value="BackupName" 
                      Label="Backup Name" 
                      Placeholder="Enter backup name"
                      Required="true"
                      RequiredError="Backup name is required"
                      HelperText="Leave empty to use default timestamp name"
                      Variant="Variant.Outlined"
                      FullWidth="true"
                      @onkeydown="HandleKeyDown" />
    </DialogContent>
    <DialogActions>
        <MudButton OnClick="Cancel">Cancel</MudButton>
        <MudButton Variant="Variant.Filled" Color="Color.Primary" OnClick="Submit">Create</MudButton>
    </DialogActions>
</MudDialog>

@code {
    [CascadingParameter] IMudDialogInstance Dialog { get; set; } = null!;

    private string BackupName { get; set; } = string.Empty;

    protected override void OnInitialized()
    {
        // Default name based on current date/time: yyyy-MM-dd_HHmm
        BackupName = DateTime.Now.ToString("yyyy-MM-dd_HHmm");
    }

    private void Cancel() => Dialog.Cancel();

    private void Submit()
    {
        var name = BackupName?.Trim() ?? string.Empty;
        
        // If empty, use default timestamp
        if (string.IsNullOrWhiteSpace(name))
        {
            name = DateTime.Now.ToString("yyyy-MM-dd_HHmm");
        }

        Dialog.Close(DialogResult.Ok(name));
    }

    private void HandleKeyDown(KeyboardEventArgs e)
    {
        if (e.Key == "Enter")
        {
            Submit();
        }
        else if (e.Key == "Escape")
        {
            Cancel();
        }
    }
}