@using Microsoft.AspNetCore.Components.Routing
@using Microsoft.AspNetCore.Components.Web
@using Oqtane.Themes
@using Oqtane.Services
@using Oqtane.Models;
@using Oqtane.Security
@namespace Oqtane.Themes.Controls
@inherits ThemeObjectBase
@inject IUserService UserService

@if (menu != "")
{
    @((MarkupString)menu)
}

@code {
    string menu = "";

    protected override void OnInitialized()
    {
        int level = -1;
        int securitylevel = int.MaxValue;

        menu = "<ul class=\"nav flex-column\">\n";
        foreach (Page p in PageState.Pages.Where(item => item.IsNavigation))
        {
            for (int l = p.Level; l < level; l++)
            {
                menu += "</ul>\n";
                menu += "</div>\n";
            }
            if (UserSecurity.IsAuthorized(PageState.User, "View", p.Permissions) && p.Level <= securitylevel)
            {
                securitylevel = int.MaxValue;
                if (p.HasChildren)
                {
                    menu += "<li class=\"nav-item px-3\">\n";
                    menu += "<a class=\"nav-link collapsed\" href=\"#submenu" + p.PageId.ToString() + "\" data-toggle=\"collapse\" data-target=\"#submenu" + p.PageId.ToString() + "\">";
                    menu += "<span class=\"oi " + p.Icon + "\" aria-hidden=\"true\"></span>" + p.Name;
                    menu += "</a>\n";
                    menu += "<div class=\"collapse\" id=\"submenu" + p.PageId.ToString() + "\" aria-expanded=\"false\">\n";
                    menu += "<ul class=\"nav flex-column\">\n";
                }
                else
                {
                    menu += "<li class=\"nav-item px-3\">\n";
                    menu += "<a class=\"nav-link\" href=\"" + NavigateUrl(p.Path) + "\">";
                    menu += "<span class=\"oi " + p.Icon + "\" aria-hidden=\"true\"></span>" + p.Name;
                    menu += "</a>\n";
                    menu += "</li>\n";
                }
                level = p.Level;
            }
            else
            {
                if (securitylevel == int.MaxValue)
                {
                    securitylevel = p.Level;
                }
            }
        }
        for (int l = 0; l < level; l++)
        {
            menu += "</ul>\n";
            menu += "</div>\n";
        }
        menu += "</ul>";
    }
}