@using RackPeek.Domain.Resources.Hardware
@using RackPeek.Domain.Resources.SystemResources
@if (Tree is null)
{
    <div class="text-zinc-500 text-sm">
        No data.
    </div>
}
else
{
    <div class="space-y-4">
        <div class="ml-4 space-y-4 border-l border-zinc-800 pl-4">

            @foreach (var systemTree in Tree.Systems)
            {
                <div class="space-y-2">

                    <!-- Root System -->
                    <NavLink href="@($"resources/systems/{Uri.EscapeDataString(systemTree.System.Name)}")"
                             class="block">
                        <div class="border border-zinc-800 rounded bg-zinc-900 p-3">
                            <div class="text-zinc-100">
                                @systemTree.System.Name
                            </div>
                            <div class="text-xs text-zinc-500 mt-1">
                                System
                            </div>
                        </div>
                    </NavLink>

                    <!-- Children -->
                    @if (systemTree.ChildResources?.Any() == true)
                    {
                        <div class="ml-4 space-y-2 border-l border-zinc-800 pl-4">

                            @foreach (var child in systemTree.ChildResources)
                            {
                                switch (child)
                                {
                                    case SystemResource nestedSystem:
                                        <NavLink
                                            href="@($"resources/systems/{Uri.EscapeDataString(nestedSystem.Name)}")"
                                            class="block">
                                            <div
                                                class="border border-zinc-800 rounded bg-zinc-900 p-2 hover:border-zinc-700">
                                                <div class="text-zinc-200 text-sm">
                                                    @nestedSystem.Name
                                                </div>
                                                <div class="text-xs text-zinc-500 mt-1">
                                                    System
                                                </div>
                                            </div>
                                        </NavLink>
                                        break;

                                    case Service service:
                                        var endpoint = service.NetworkString();

                                        <NavLink href="@($"resources/services/{Uri.EscapeDataString(service.Name)}")"
                                                 class="block">
                                            <div
                                                class="border border-zinc-800 rounded bg-zinc-900 p-2 hover:border-zinc-700">
                                                <div class="text-zinc-200 text-sm">
                                                    @service.Name
                                                </div>

                                                <div class="text-xs text-zinc-500 mt-1">
                                                    Service
                                                    @if (!string.IsNullOrWhiteSpace(endpoint))
                                                    {
                                                        <span> - </span>
                                                        <a href="@endpoint"
                                                           target="_blank"
                                                           rel="noopener noreferrer"
                                                           class="underline hover:text-emerald-400"
                                                           @onclick:stopPropagation>
                                                            @endpoint
                                                        </a>
                                                    }
                                                </div>
                                            </div>
                                        </NavLink>
                                        break;
                                }
                            }

                        </div>
                    }
                    else
                    {
                        <div class="ml-4 text-xs text-zinc-600 italic">
                            No child resources
                        </div>
                    }

                </div>
            }

        </div>
    </div>
}

@code {
    [Parameter] [EditorRequired] public HardwareDependencyTree? Tree { get; set; }

    private static string? BuildServiceSubtitle(Service service)
    {
        var endpoint = service.NetworkString();

        if (string.IsNullOrWhiteSpace(endpoint))
            return null;

        return endpoint;
    }

}