'use client';

import { ServiceCategory, ServiceStatus } from '@/lib/data';

interface FilterBarProps {
  categories: ServiceCategory[];
  statuses: ServiceStatus[];
  selectedCategories: ServiceCategory[];
  selectedStatuses: ServiceStatus[];
  onCategoryChange: (category: ServiceCategory) => void;
  onStatusChange: (status: ServiceStatus) => void;
  onReset: () => void;
}

/**
 * FilterBar - Filterleiste zum Filtern von Services nach Kategorie und Status
 * @param categories - Verfügbare Kategorien
 * @param statuses - Verfügbare Status
 * @param selectedCategories - Aktuell ausgewählte Kategorien
 * @param selectedStatuses - Aktuell ausgewählte Status
 * @param onCategoryChange - Callback beim Ändern einer Kategorie
 * @param onStatusChange - Callback beim Ändern eines Status
 * @param onReset - Callback zum Zurücksetzen aller Filter
 */
export function FilterBar({
  categories,
  statuses,
  selectedCategories,
  selectedStatuses,
  onCategoryChange,
  onStatusChange,
  onReset,
}: FilterBarProps) {
  const hasActiveFilters =
    selectedCategories.length > 0 || selectedStatuses.length > 0;

  return (
    <div className="mb-8 p-4 sm:p-6 bg-white dark:bg-slate-800 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm">
      <div className="space-y-4">
        {/* Kategorie Filter */}
        <div>
          <h3 className="text-sm font-semibold text-slate-900 dark:text-white mb-3">
            Kategorie
          </h3>
          <div className="flex flex-wrap gap-2">
            {categories.map((category) => (
              <button
                key={category}
                onClick={() => onCategoryChange(category)}
                className={`px-3 py-1.5 rounded-full text-sm font-medium transition-colors ${
                  selectedCategories.includes(category)
                    ? 'bg-blue-600 text-white'
                    : 'bg-slate-100 dark:bg-slate-700 text-slate-700 dark:text-slate-300 hover:bg-slate-200 dark:hover:bg-slate-600'
                }`}
                aria-pressed={selectedCategories.includes(category)}
              >
                {category}
              </button>
            ))}
          </div>
        </div>

        {/* Status Filter */}
        <div>
          <h3 className="text-sm font-semibold text-slate-900 dark:text-white mb-3">
            Status
          </h3>
          <div className="flex flex-wrap gap-2">
            {statuses.map((status) => (
              <button
                key={status}
                onClick={() => onStatusChange(status)}
                className={`px-3 py-1.5 rounded-full text-sm font-medium transition-colors flex items-center gap-2 ${
                  selectedStatuses.includes(status)
                    ? 'bg-blue-600 text-white'
                    : 'bg-slate-100 dark:bg-slate-700 text-slate-700 dark:text-slate-300 hover:bg-slate-200 dark:hover:bg-slate-600'
                }`}
                aria-pressed={selectedStatuses.includes(status)}
              >
                <span
                  className={`w-2 h-2 rounded-full ${
                    status === 'online'
                      ? 'bg-green-500'
                      : status === 'warning'
                        ? 'bg-amber-500'
                        : 'bg-red-500'
                  }`}
                />
                {status === 'online' && 'Online'}
                {status === 'warning' && 'Warnung'}
                {status === 'offline' && 'Offline'}
              </button>
            ))}
          </div>
        </div>

        {/* Reset Button */}
        {hasActiveFilters && (
          <div className="flex gap-2 pt-2">
            <button
              onClick={onReset}
              className="px-4 py-2 text-sm font-medium text-slate-700 dark:text-slate-300 bg-slate-100 dark:bg-slate-700 hover:bg-slate-200 dark:hover:bg-slate-600 rounded-lg transition-colors"
            >
              Filter zurücksetzen
            </button>
            <span className="text-xs text-slate-500 dark:text-slate-400 flex items-center">
              {selectedCategories.length + selectedStatuses.length} Filter aktiv
            </span>
          </div>
        )}
      </div>
    </div>
  );
}