@page "/"
@using RackPeek.Domain.Resources
@using RackPeek.Domain.Resources.Hardware
@using RackPeek.Domain.Resources.Services.UseCases
@using RackPeek.Domain.Resources.SystemResources.UseCases
@using Shared.Rcl.Components
@inject GetSystemSummaryUseCase SystemSummaryUseCase
@inject GetServiceSummaryUseCase ServiceSummaryUseCase
@inject GetHardwareUseCaseSummary HardwareSummaryUseCase

<PageTitle>Home</PageTitle>

<div class="min-h-screen bg-zinc-950 text-zinc-200 font-mono p-6">

    @if (_loading)
    {
        <div class="text-zinc-500">loading summary…</div>
    }
    else
    {
        <!-- Totals -->
        <div class="mb-10 max-w-md">
            <div class="border border-zinc-800 rounded-md p-4">
                <div class="text-xs text-zinc-500 uppercase tracking-wider mb-3">
                    Totals
                </div>

                <div class="grid grid-cols-2 gap-y-2 ">

                    <div class="hover:text-emerald-300">
                        <NavLink href="@("/hardware/tree")">Hardware</NavLink>
                    </div>
                    <div class="text-right">@_hardware!.TotalHardware</div>

                    <div class="hover:text-emerald-300">
                        <NavLink href="@("/systems/list")">Systems</NavLink>
                    </div>
                    <div class="text-right">@_system!.TotalSystems</div>

                    <div class="hover:text-emerald-300">
                        <NavLink href="@("/services/list")">Services</NavLink>
                    </div>
                    <div class="text-right">@_service!.TotalServices</div>
                </div>
            </div>
        </div>
        
        <div class="space-y-10 mb-10">
            <TagListComponent/>
        </div>
        
        
        <!-- Tree -->
        <div class="space-y-10">

            <!-- Hardware -->
            <div>
                <div class="text-xs text-zinc-500 uppercase tracking-wider mb-3">
                    Hardware
                </div>

                <ul class="space-y-2">
                    <li class="text-zinc-100">
                        ├─ Hardware (@_hardware!.TotalHardware)
                    </li>

                    @if (_hardware.HardwareByKind.Any())
                    {
                        <ul class="ml-4 mt-2 border-l border-zinc-800 pl-4 space-y-1">
                            @foreach (var (kind, count) in _hardware.HardwareByKind.OrderByDescending(x => x.Value))
                            {
                                var pluralKind = Resource.KindToPlural(kind);
                                <NavLink href="@($"/{pluralKind}/list")" class="block">
                                    <li class="text-zinc-500 hover:text-emerald-300">
                                        └─ @pluralKind (@count)
                                    </li>
                                </NavLink>
                            }
                        </ul>
                    }
                </ul>
            </div>


           <!-- Systems -->
            <div>
                <div class="text-xs text-zinc-500 uppercase tracking-wider mb-3">
                    Systems
                </div>

                <ul class="space-y-3">
                    <li>
                        <div class="text-zinc-100">
                            ├─ Total (@_system!.TotalSystems)
                        </div>

                        @if (_system.SystemsByType.Any())
                        {
                            <ul class="ml-4 mt-2 border-l border-zinc-800 pl-4 space-y-1">
                                <li class="text-zinc-400">Types</li>
                                @foreach (var (type, count) in _system.SystemsByType.OrderByDescending(x => x.Value))
                                {
                                    <li class="text-zinc-500 hover:text-emerald-300">
                                        <NavLink href="@($"systems/list?type={type}")" class="block">
                                            └─ @type (@count)
                                        </NavLink>
                                    </li>
                                }
                            </ul>
                        }

                        @if (_system.SystemsByOs.Any())
                        {
                            <ul class="ml-4 mt-2 border-l border-zinc-800 pl-4 space-y-1">
                                <li class="text-zinc-400">Operating Systems</li>
                                @foreach (var (os, count) in _system.SystemsByOs.OrderByDescending(x => x.Value))
                                {
                                    <li class="text-zinc-500 hover:text-emerald-300">
                                        <NavLink href="@($"systems/list?os={os}")" class="block">
                                            └─ @os (@count)
                                        </NavLink>
                                    </li>
                                }
                            </ul>
                        }
                    </li>
                </ul>
            </div>

            <!-- Services -->
            <div>
                <div class="text-xs text-zinc-500 uppercase tracking-wider mb-3">
                    Services
                </div>

                <ul>
                    <li class="text-zinc-100">
                        └─ Total (@_service!.TotalServices)
                    </li>
                    <li class="ml-4 text-zinc-500">
                        └─ IP Addresses (@_service!.TotalIpAddresses)
                    </li>
                </ul>
            </div>
        </div>
    }
</div>

@code {
    private bool _loading = true;

    private SystemSummary? _system;
    private AllServicesSummary? _service;
    private HardwareSummary? _hardware;

    protected override async Task OnInitializedAsync()
    {
        var systemTask = SystemSummaryUseCase.ExecuteAsync();
        var serviceTask = ServiceSummaryUseCase.ExecuteAsync();
        var hardwareTask = HardwareSummaryUseCase.ExecuteAsync();

        await Task.WhenAll(systemTask, serviceTask, hardwareTask);

        _system = systemTask.Result;
        _service = serviceTask.Result;
        _hardware = hardwareTask.Result;

        _loading = false;
    }

}