using Microsoft.AspNetCore.Components;

namespace AyCode.Blazor.Components.Components.Grids;

/// <summary>
/// Base class for custom InfoPanel templates.
/// Inherit from this class to create a custom InfoPanel for a specific grid.
/// </summary>
public abstract class MgInfoPanelTemplateBase : MgGridInfoPanel
{
    /// <summary>
    /// Override this to provide custom header content.
    /// Return null to use default header.
    /// </summary>
    protected virtual RenderFragment? GetHeaderTemplate() => null;

    /// <summary>
    /// Override this to provide custom columns/content.
    /// Return null to use auto-generated columns.
    /// </summary>
    protected virtual RenderFragment? GetColumnsTemplate() => null;

    /// <summary>
    /// Override this to provide custom footer content.
    /// Return null to hide footer.
    /// </summary>
    protected virtual RenderFragment? GetFooterTemplate() => null;

    protected override void OnInitialized()
    {
        SetTemplates();
        base.OnInitialized();
    }

    protected override void OnParametersSet()
    {
        SetTemplates();
        base.OnParametersSet();
    }

    private void SetTemplates()
    {
        HeaderTemplate = GetHeaderTemplate();
        ColumnsTemplate = GetColumnsTemplate();
        FooterTemplate = GetFooterTemplate();
    }
}