<?php

declare(strict_types=1);

namespace App\Support;

use Illuminate\Database\Eloquent\Builder;

class ServiceGroup
{
    public const SSL = 'ssl';

    public const COLO = 'colo';

    public const DEDICATED = 'dedicated';

    public const EMAIL = 'email';

    public const ALL = [self::SSL, self::COLO, self::DEDICATED, self::EMAIL];

    private const UNTYPED_PRODUCT_TYPES = ['other', 'server_rental'];

    public static function of(?string $productType, ?string $productName): ?string
    {
        $name = mb_strtolower(trim((string) $productName));

        return match (true) {
            $productType === 'email' => self::EMAIL,
            $productType === 'ssl' => self::SSL,
            ! in_array($productType, self::UNTYPED_PRODUCT_TYPES, true) => null,
            str_starts_with($name, 'ssl') => self::SSL,
            str_contains($name, 'colo') || str_contains($name, 'chỗ đặt') => self::COLO,
            $productType === 'server_rental' || str_contains($name, 'dedicated') => self::DEDICATED,
            default => null,
        };
    }

    public static function constrain(Builder $products, string $group): Builder
    {
        $untyped = fn (Builder $query) => $query->whereIn('product_type', self::UNTYPED_PRODUCT_TYPES);
        $notSsl = fn (Builder $query) => $query->whereRaw("TRIM(name) NOT LIKE 'ssl%'");
        $notColo = fn (Builder $query) => $query->where('name', 'not like', '%colo%')->where('name', 'not like', '%chỗ đặt%');

        return match ($group) {
            self::EMAIL => $products->where('product_type', 'email'),
            self::SSL => $products->where(fn (Builder $query) => $query
                ->where('product_type', 'ssl')
                ->orWhere(fn (Builder $other) => $untyped($other)->whereRaw("TRIM(name) LIKE 'ssl%'"))),
            self::COLO => $untyped($products)->tap($notSsl)->where(fn (Builder $query) => $query
                ->where('name', 'like', '%colo%')
                ->orWhere('name', 'like', '%chỗ đặt%')),
            self::DEDICATED => $untyped($products)->tap($notSsl)->tap($notColo)->where(fn (Builder $query) => $query
                ->where('product_type', 'server_rental')
                ->orWhere('name', 'like', '%dedicated%')),
            default => $products->whereRaw('1 = 0'),
        };
    }
}