<?php declare(strict_types=1);

namespace App\Enum;

enum CardBus: string {
	case PCIE_10_16 = 'PCIe 1.0 x16';
	case PCIE_11_16 = 'PCIe 1.1 x16';
	case PCIE_20_16 = 'PCIe 2.0 x16';
	case PCIE_30_8 = 'PCIe 3.0 x8';
	case PCIE_30_16 = 'PCIe 3.0 x16';
	case PCIE_40_4 = 'PCIe 4.0 x4';
	case PCIE_40_8 = 'PCIe 4.0 x8';
	case PCIE_40_16 = 'PCIe 4.0 x16';

	case PCI_33 = 'PCI 33';
	case PCI_33V_33 = '3.3V PCI 33';

	case AGP_1X = 'AGP 1x';
	case AGP_2X = 'AGP 2x';
	case AGP_4X = 'AGP 4x';
	case AGP_8X = 'AGP 8x';

	case ISA_8 = '8-bit ISA';
	case ISA_16 = '16-bit ISA';
	case ISA_VLB = 'VLB';

	public static function getGroups(): array
	{
		$filter = static fn (string $starts_with) =>
			array_filter(self::cases(), fn (CardBus $case) =>
				str_starts_with($case->name, $starts_with)
			);

		$pcie = $filter('PCIE_');
		$agp = $filter('AGP_');
		$pci = $filter('PCI_');
		$isa = $filter('ISA_');

		$pcie16 = array_filter($pcie, fn (CardBus $case) => str_ends_with($case->name, '_16'));
		$pcieOther = array_udiff($pcie, $pcie16, fn ($a, $b) => $a->name <=> $b->name);

		return [
			'PCI Express x16' => $pcie16,
			'PCI Express Other' => $pcieOther,
			'AGP' => $agp,
			'PCI' => $pci,
			'ISA' => $isa,
		];
	}
}