<?php

namespace App\Services;

class CategoryService
{
    /**
     * Alle verfügbaren Kategorien
     */
    public static function getCategories(): array
    {
        return [
            [
                'name' => 'Wirtschaft',
                'slug' => 'wirtschaft',
                'description' => 'Unternehmensnachrichten, Finanzberichte, Wirtschaftstrends',
                'count' => '2.450+',
                'icon' => 'chart-bar',
                'color' => 'blue',
            ],
            [
                'name' => 'Technologie',
                'slug' => 'technologie',
                'description' => 'IT, Software, Digitalisierung, Innovation',
                'count' => '1.890+',
                'icon' => 'cpu-chip',
                'color' => 'purple',
            ],
            [
                'name' => 'Gesundheit',
                'slug' => 'gesundheit',
                'description' => 'Medizin, Pharma, Gesundheitswesen, Forschung',
                'count' => '1.340+',
                'icon' => 'heart',
                'color' => 'green',
            ],
            [
                'name' => 'Finanzen',
                'slug' => 'finanzen',
                'description' => 'Banking, Investment, Fintech, Versicherungen',
                'count' => '980+',
                'icon' => 'currency-dollar',
                'color' => 'yellow',
            ],
            [
                'name' => 'Automotive',
                'slug' => 'automotive',
                'description' => 'Fahrzeuge, E-Mobilität, Zulieferer, Logistik',
                'count' => '750+',
                'icon' => 'truck',
                'color' => 'red',
            ],
            [
                'name' => 'Immobilien',
                'slug' => 'immobilien',
                'description' => 'Bau, Entwicklung, PropTech, Gewerbe',
                'count' => '640+',
                'icon' => 'building-office',
                'color' => 'indigo',
            ],
            [
                'name' => 'Energie',
                'slug' => 'energie',
                'description' => 'Erneuerbare Energien, Strom, Gas, Nachhaltigkeit',
                'count' => '520+',
                'icon' => 'bolt',
                'color' => 'orange',
            ],
            [
                'name' => 'Bildung',
                'slug' => 'bildung',
                'description' => 'Schulen, Universitäten, E-Learning, Weiterbildung',
                'count' => '480+',
                'icon' => 'academic-cap',
                'color' => 'cyan',
            ],
            [
                'name' => 'Handel',
                'slug' => 'handel',
                'description' => 'Einzelhandel, E-Commerce, Konsumgüter',
                'count' => '410+',
                'icon' => 'shopping-cart',
                'color' => 'pink',
            ],
            [
                'name' => 'Tourismus',
                'slug' => 'tourismus',
                'description' => 'Reisen, Hotellerie, Gastronomie, Veranstaltungen',
                'count' => '390+',
                'icon' => 'globe-alt',
                'color' => 'teal',
            ],
            [
                'name' => 'Sport',
                'slug' => 'sport',
                'description' => 'Sportveranstaltungen, Vereine, Fitness, Sponsoring',
                'count' => '320+',
                'icon' => 'trophy',
                'color' => 'lime',
            ],
            [
                'name' => 'Kultur',
                'slug' => 'kultur',
                'description' => 'Kunst, Musik, Theater, Medien, Entertainment',
                'count' => '290+',
                'icon' => 'musical-note',
                'color' => 'violet',
            ],
        ];
    }

    /**
     * Kategorie nach Slug finden
     */
    public static function getCategoryBySlug(string $slug): ?array
    {
        $categories = self::getCategories();

        foreach ($categories as $category) {
            if ($category['slug'] === $slug) {
                return $category;
            }
        }

        return null;
    }

    /**
     * Alle Kategorie-Slugs abrufen
     */
    public static function getCategorySlugs(): array
    {
        return array_column(self::getCategories(), 'slug');
    }

    /**
     * Farb-Gradient Mapping
     */
    public static function getColorGradients(): array
    {
        return [
            'blue' => 'from-blue-500/10 to-blue-600/10',
            'purple' => 'from-purple-500/10 to-purple-600/10',
            'green' => 'from-green-500/10 to-green-600/10',
            'yellow' => 'from-yellow-500/10 to-yellow-600/10',
            'red' => 'from-red-500/10 to-red-600/10',
            'indigo' => 'from-indigo-500/10 to-indigo-600/10',
            'orange' => 'from-orange-500/10 to-orange-600/10',
            'cyan' => 'from-cyan-500/10 to-cyan-600/10',
            'pink' => 'from-pink-500/10 to-pink-600/10',
            'teal' => 'from-teal-500/10 to-teal-600/10',
            'lime' => 'from-lime-500/10 to-lime-600/10',
            'violet' => 'from-violet-500/10 to-violet-600/10',
        ];
    }

    /**
     * Farb-Klassen Mapping
     */
    public static function getColorClasses(): array
    {
        return [
            'blue' => 'text-blue-500',
            'purple' => 'text-purple-500',
            'green' => 'text-green-500',
            'yellow' => 'text-yellow-600',
            'red' => 'text-red-500',
            'indigo' => 'text-indigo-500',
            'orange' => 'text-orange-500',
            'cyan' => 'text-cyan-500',
            'pink' => 'text-pink-500',
            'teal' => 'text-teal-500',
            'lime' => 'text-lime-500',
            'violet' => 'text-violet-500',
        ];
    }

    /**
     * Gradient für eine Farbe abrufen
     */
    public static function getGradientForColor(string $color): string
    {
        $gradients = self::getColorGradients();

        return $gradients[$color] ?? 'from-gray-500/10 to-gray-600/10';
    }

    /**
     * CSS-Klasse für eine Farbe abrufen
     */
    public static function getClassForColor(string $color): string
    {
        $classes = self::getColorClasses();

        return $classes[$color] ?? 'text-gray-500';
    }

    /**
     * Icon-Pfad für eine Kategorie generieren
     */
    public static function getIconPath(string $iconName): string
    {
        return "/heroicons/optimized/24/outline/{$iconName}.svg";
    }

    /**
     * Gesamtanzahl der Kategorien
     */
    public static function count(): int
    {
        return count(self::getCategories());
    }
}