'use client';

import { useEffect, type ReactNode } from 'react';
import { EditorContent, useEditor, type Editor } from '@tiptap/react';
import StarterKit from '@tiptap/starter-kit';
import Placeholder from '@tiptap/extension-placeholder';
import { Bold, Italic, List, ListOrdered, Quote } from 'lucide-react';
import { cn } from '@/lib/utils';

interface RichTextEditorProps {
  value?: string;
  onChange?: (value: string) => void;
  placeholder?: string;
  /** Extra content voor in de toolbar (bijv. mic button) */
  toolbarExtra?: ReactNode;
  /** Callback met editor instance voor externe controle */
  onEditorReady?: (editor: Editor) => void;
  /** Highlight border tijdens streaming */
  isStreaming?: boolean;
  /** Min height voor editor */
  minHeight?: string;
}

export function RichTextEditor({
  value,
  onChange,
  placeholder,
  toolbarExtra,
  onEditorReady,
  isStreaming = false,
  minHeight = '160px',
}: RichTextEditorProps) {
  const editor = useEditor({
    extensions: [
      StarterKit.configure({
        heading: false,
        bulletList: { keepMarks: true },
        orderedList: { keepMarks: true },
      }),
      Placeholder.configure({ placeholder: placeholder || 'Schrijf iets...', includeChildren: true }),
    ],
    content: value || '',
    editorProps: {
      attributes: {
        class: `prose prose-sm max-w-none focus:outline-none px-3 py-2 text-slate-800 bg-white`,
        style: `min-height: ${minHeight}`,
      },
    },
    onUpdate({ editor: e }) {
      onChange?.(e.getHTML());
    },
    immediatelyRender: false,
  });

  useEffect(() => {
    if (!editor) return;
    const html = value || '';
    if (html !== editor.getHTML()) {
      editor.commands.setContent(html);
    }
  }, [value, editor]);

  // Notify parent when editor is ready
  useEffect(() => {
    if (editor && onEditorReady) {
      onEditorReady(editor);
    }
  }, [editor, onEditorReady]);

  if (!editor) {
    return <div className="rounded-lg border border-slate-200 h-32 animate-pulse bg-slate-50" />;
  }

  const toggle = (command: () => void) => {
    editor.chain().focus();
    command();
  };

  return (
    <div className={cn(
      'rounded-lg border overflow-hidden transition-all duration-200',
      isStreaming
        ? 'border-orange-500 border-2 shadow-orange-500/20 shadow-md'
        : 'border-slate-200'
    )}>
      <div className="flex items-center justify-between border-b border-slate-200 bg-slate-50 px-2 py-1.5">
        <div className="flex items-center gap-1">
          <button
            type="button"
            onClick={() => toggle(() => editor.chain().focus().toggleBold().run())}
            className={cn(
              'inline-flex h-7 w-7 items-center justify-center rounded-md text-xs text-slate-600 hover:bg-white',
              editor.isActive('bold') && 'bg-white text-slate-900'
            )}
          >
            <Bold className="h-4 w-4" />
          </button>
          <button
            type="button"
            onClick={() => toggle(() => editor.chain().focus().toggleItalic().run())}
            className={cn(
              'inline-flex h-7 w-7 items-center justify-center rounded-md text-xs text-slate-600 hover:bg-white',
              editor.isActive('italic') && 'bg-white text-slate-900'
            )}
          >
            <Italic className="h-4 w-4" />
          </button>
          <button
            type="button"
            onClick={() => toggle(() => editor.chain().focus().toggleBulletList().run())}
            className={cn(
              'inline-flex h-7 w-7 items-center justify-center rounded-md text-xs text-slate-600 hover:bg-white',
              editor.isActive('bulletList') && 'bg-white text-slate-900'
            )}
          >
            <List className="h-4 w-4" />
          </button>
          <button
            type="button"
            onClick={() => toggle(() => editor.chain().focus().toggleOrderedList().run())}
            className={cn(
              'inline-flex h-7 w-7 items-center justify-center rounded-md text-xs text-slate-600 hover:bg-white',
              editor.isActive('orderedList') && 'bg-white text-slate-900'
            )}
          >
            <ListOrdered className="h-4 w-4" />
          </button>
          <button
            type="button"
            onClick={() => toggle(() => editor.chain().focus().toggleBlockquote().run())}
            className={cn(
              'inline-flex h-7 w-7 items-center justify-center rounded-md text-xs text-slate-600 hover:bg-white',
              editor.isActive('blockquote') && 'bg-white text-slate-900'
            )}
          >
            <Quote className="h-4 w-4" />
          </button>
        </div>

        {/* Extra toolbar content (e.g., mic button) */}
        {toolbarExtra && (
          <div className="flex items-center gap-1">
            {toolbarExtra}
          </div>
        )}
      </div>
      <EditorContent editor={editor} />
    </div>
  );
}

// Export Editor type for external use
export type { Editor } from '@tiptap/react';