@using RackPeek.Domain.Resources.Hardware
@using RackPeek.Domain.Resources.Services
@using RackPeek.Domain.Resources.SystemResources
@inject IHardwareRepository HardwareRepository
@inject ISystemRepository SystemRepository
@inject IServiceRepository ServiceRepository
@inject NavigationManager Nav

<div class="text-sm text-zinc-300 flex gap-1 items-center">
    @foreach (var crumb in Breadcrumbs)
    {
        <span class="text-zinc-500">/</span>

        <a class="hover:text-white transition-colors"
           href="@crumb.Href">
            @crumb.Label
        </a>
    }
</div>

@code {
    [Parameter] [EditorRequired] public ResourceType ResourceType { get; set; }

    [Parameter] [EditorRequired] public string ResourceName { get; set; } = default!;

    private List<Breadcrumb> Breadcrumbs { get; } = new();

    protected override async Task OnParametersSetAsync()
    {
        Breadcrumbs.Clear();

        switch (ResourceType)
        {
            case ResourceType.Hardware:
                await BuildHardwarePath(ResourceName);
                break;

            case ResourceType.System:
                await BuildSystemPath(ResourceName);
                break;

            case ResourceType.Service:
                await BuildServicePath(ResourceName);
                break;
        }
    }

    private async Task BuildHardwarePath(string hardwareName)
    {
        Breadcrumbs.Add(new Breadcrumb(hardwareName, $"resources/hardware/{hardwareName}"));
    }

    private async Task BuildSystemPath(string systemName)
    {
        var system = await SystemRepository.GetByNameAsync(systemName);

        if (system?.RunsOn is not null)
        {
            Breadcrumbs.Add(new Breadcrumb(
                system.RunsOn,
                $"resources/hardware/{system.RunsOn}"
            ));
        }

        Breadcrumbs.Add(new Breadcrumb(
            systemName,
            $"resources/systems/{systemName}"
        ));
    }

    private async Task BuildServicePath(string serviceName)
    {
        var service = await ServiceRepository.GetByNameAsync(serviceName);

        if (service?.RunsOn is not null)
        {
            var system = await SystemRepository.GetByNameAsync(service.RunsOn);

            if (system?.RunsOn is not null)
            {
                Breadcrumbs.Add(new Breadcrumb(
                    system.RunsOn,
                    $"resources/hardware/{system.RunsOn}"
                ));
            }

            Breadcrumbs.Add(new Breadcrumb(
                service.RunsOn,
                $"resources/systems/{service.RunsOn}"
            ));
        }

        Breadcrumbs.Add(new Breadcrumb(
            serviceName,
            $"resources/services/{serviceName}"
        ));
    }

    private record Breadcrumb(string Label, string Href);

}