import type { ReactNode } from 'react';
import { ChevronDown, ChevronUp, Search, X } from 'lucide-react';
import { Button } from '@/components/ui/button';
import { cn } from '@/lib/utils';

interface SearchFilterPanelProps {
  title?: string;
  collapsed?: boolean;
  onCollapsedChange?: (collapsed: boolean) => void;
  hasFilters?: boolean;
  resultLabel?: string;
  sortLabel?: string;
  onClear?: () => void;
  children?: ReactNode;
  className?: string;
  variant?: 'default' | 'embedded';
  headerActions?: ReactNode;
}

export default function SearchFilterPanel({
  title = 'Search & filters',
  collapsed,
  onCollapsedChange,
  hasFilters,
  resultLabel,
  sortLabel,
  onClear,
  children,
  className,
  variant = 'default',
  headerActions,
}: SearchFilterPanelProps) {
  const embedded = variant === 'embedded';
  const ToggleIcon = collapsed ? ChevronUp : ChevronDown;

  return (
    <section className={cn(
      embedded
        ? 'rounded-lg'
        : 'rounded-xl border border-border/80 bg-card/95 shadow-sm shadow-black/15',
      className,
    )}>
      <div className={cn('flex flex-wrap items-center gap-3', embedded ? 'py-1' : 'px-4 py-3')}>
        <button
          type="button"
          onClick={() => onCollapsedChange?.(!collapsed)}
          aria-expanded={!collapsed}
          className="group inline-flex min-w-0 flex-1 items-center gap-3 rounded-md text-left focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
        >
          <span className="flex h-8 w-8 shrink-0 items-center justify-center rounded-lg border border-primary/15 bg-primary/10 text-primary">
            <Search className="h-4 w-4" />
          </span>
          <span className="min-w-0">
            <span className="block text-sm font-semibold text-foreground">{title}</span>
            <span className="block truncate text-xs text-muted-foreground">
              {[resultLabel, hasFilters ? 'filters active' : 'no filters', sortLabel].filter(Boolean).join(' · ')}
            </span>
          </span>
          <ToggleIcon className="ml-auto h-4 w-4 shrink-0 text-muted-foreground transition-colors group-hover:text-foreground" />
        </button>

        {hasFilters && onClear && (
          <Button type="button" variant="ghost" onClick={onClear} className="h-8 gap-2 px-2.5 text-xs">
            <X className="h-3.5 w-3.5" />
            Clear
          </Button>
        )}
        {headerActions}
      </div>

      {!collapsed && (
        <div className={cn(
          'space-y-3',
          embedded ? 'pt-3' : 'border-t border-border/60 px-4 py-4',
        )}>
          {children}
        </div>
      )}
    </section>
  );
}