<?php declare(strict_types=1);

namespace App\Enum;

enum SlotKey: string {
	case PCIE_X16 = 'PCIe x16';
	case PCIE_X8 = 'PCIe x8';
	case PCIE_X4 = 'PCIe x4';
	case PCIE_X1 = 'PCIe x1';

	case AGP_UNIVERSAL = 'Universal AGP';
	case AGP_33V = '3.3V AGP';
	case AGP_15V = '1.5V AGP';
	case AGP_PRO_UNIVERSAL = 'Universal AGP Pro';
	case AGP_PRO_33V = '3.3V AGP Pro';
	case AGP_PRO_15V = '1.5V AGP Pro';

	case PCI_5V = '5V 32-bit PCI';
	case PCI_33V = '3.3V 32-bit PCI';
	case PCI_UNIVERSAL = 'Universal 32-bit PCI';
	case PCI_64_5V = '5V 64-bit PCI';
	case PCI_64_33V = '3.3V 64-bit PCI';
	case PCI_64_UNIVERSAL = 'Universal 64-bit PCI';
	case PCI_X = 'PCI-X';

	case ISA_VLB = 'VESA Local Bus';
	case ISA_8 = '8-bit ISA';
	case ISA_16 = '16-bit ISA';

	public static function getCases(): array
	{
		$cases = self::cases();
		return array_map(static fn(UnitEnum $case) => $case->name, $cases);
	}

	public static function getValues(): array
	{
		$cases = self::cases();
		return array_map(static fn(UnitEnum $case) => $case->value, $cases);
	}

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

		return [
			'PCI Express' => $filter('PCIE_'),
			'AGP' => [
				self::AGP_UNIVERSAL,
				self::AGP_33V,
				self::AGP_15V,
			],
			'PCI 32-bit' => [
				self::PCI_UNIVERSAL,
				self::PCI_5V,
				self::PCI_33V,
			],
			'PCI 64-bit' => [
				self::PCI_X,
				self::PCI_64_UNIVERSAL,
				self::PCI_64_33V,
				self::PCI_64_5V,
			],
			'ISA' => [
				self::ISA_16,
				self::ISA_8,
				self::ISA_VLB,
			]
		];
	}
}