import React, { useState, useEffect, useRef } from 'react';
import { Input, Button, ColorPicker, Select } from 'antd';
import {
  FontSizeOutlined,
  BoldOutlined,
  LinkOutlined,
} from '@ant-design/icons';
import type { MindElixirInstance, NodeObj } from 'mind-elixir';

const xmindColorPresets = [
  // 经典16色
  '#FFFFFF', '#F5F5F5', // 白色系
  '#2196F3', '#1976D2', // 蓝色系
  '#4CAF50', '#388E3C', // 绿色系
  '#FF9800', '#F57C00', // 橙色系
  '#F44336', '#D32F2F', // 红色系
  '#9C27B0', '#7B1FA2', // 紫色系
  '#424242', '#757575', // 灰色系
  '#FFEB3B', '#FBC02D'  // 黄色系
];

interface NodeMenuProps {
  mind: MindElixirInstance;
}

const NodeMenu: React.FC<NodeMenuProps> = ({ mind }) => {
  const [isOpen, setIsOpen] = useState(false);
  const [selectedFontColor, setSelectedFontColor] = useState<string>('');
  const [selectedBgColor, setSelectedBgColor] = useState<string>('');
  const [selectedSize, setSelectedSize] = useState<string>('');
  const [isBold, setIsBold] = useState(false);
  const [url, setUrl] = useState<string>('');
  const containerRef = useRef<HTMLDivElement | null>(null);

  useEffect(() => {
    const handleSelectNode = (nodeObj: NodeObj) => {
      setIsOpen(true);

      const style = nodeObj.style || {};
      setSelectedFontColor(style.color || '');
      setSelectedBgColor(style.background || '');

      setSelectedSize(style.fontSize || '24');
      setIsBold(style.fontWeight === 'bold');
      setUrl(nodeObj.hyperLink || '');
    };

    const handleUnselectNode = () => {
      setIsOpen(false);
    };

    mind.bus.addListener('selectNode', handleSelectNode);
    mind.bus.addListener('unselectNode', handleUnselectNode);

  }, [mind]);

  useEffect(() => {
    if (containerRef.current && mind.container) {
      mind.container.appendChild(containerRef.current);
    }

  }, [mind.container]);

  const handleColorChange = (type: "font" | "background", color: string) => {
    if (type === 'font') {
      setSelectedFontColor(color);
    } else {
      setSelectedBgColor(color);
    }
    const patch = { style: {} as any };
    if (type === 'font') {
      patch.style.color = color;
    } else {
      patch.style.background = color;
    }
    mind.reshapeNode(mind.currentNode, patch);
  };

  const handleSizeChange = (size: string) => {
    setSelectedSize(size);
    mind.reshapeNode(mind.currentNode, { style: { fontSize: size } });
  };

  const handleBoldToggle = () => {
    const fontWeight = isBold ? '' : 'bold';
    setIsBold(!isBold);
    mind.reshapeNode(mind.currentNode, { style: { fontWeight } });
  };

  const handleUrlChange = (e: React.ChangeEvent<HTMLInputElement>) => {
    const value = e.target.value;
    setUrl(value);
    mind.reshapeNode(mind.currentNode, { hyperLink: value });
  };

  return (
    <div
      className={`node-menu-container absolute right-2 top-2 rounded-lg bg-slate-200 shadow-xl ring-2 ring-white transition-all duration-300 ${isOpen ? 'opacity-100 translate-y-0' : 'opacity-0 translate-y-4 pointer-events-none'
        }`}
      ref={containerRef}
    >
      <div className="p-5 space-y-6">
        {/* Font Size Selector */}
        <div className="space-y-2">
          <h3 className="text-sm font-medium text-gray-600">文字样式</h3>
          <div className="flex gap-3 items-center justify-between">
            <Select
              value={selectedSize}
              onChange={handleSizeChange}
              prefix={<FontSizeOutlined className='mr-2' />}
              className="w-1/2"
              options={[
                { value: '12', label: '12' },
                { value: '14', label: '14' },
                { value: '16', label: '16' },
                { value: '18', label: '18' },
                { value: '20', label: '20' },
                { value: '24', label: '24' },
                { value: '28', label: '28' },
                { value: '32', label: '32' }
              ]}
            />
            <Button
              type={isBold ? "primary" : "default"}
              onClick={handleBoldToggle}
              className='w-1/2'
              icon={<BoldOutlined />}
            >

              加粗
            </Button>
          </div>
        </div>

        {/* Color Picker */}
        <div className="space-y-3">
          <h3 className="text-sm font-medium text-gray-600">颜色设置</h3>

          {/* Font Color Picker */}
          <div className="space-y-2">
            <h4 className="text-xs font-medium text-gray-500">文字颜色</h4>
            <div className="grid grid-cols-8 gap-2 p-2 bg-gray-50 rounded-lg">
              {xmindColorPresets.map((color) => (
                <div
                  key={`font-${color}`}
                  className={`w-6 h-6 rounded-full cursor-pointer hover:scale-105 transition-transform outline outline-2 outline-offset-1 ${selectedFontColor === color ? 'outline-blue-500' : 'outline-transparent'
                    }`}
                  style={{ backgroundColor: color }}
                  onClick={() => {

                    handleColorChange('font', color);
                  }}
                />
              ))}
            </div>
          </div>

          {/* Background Color Picker */}
          <div className="space-y-2">
            <h4 className="text-xs font-medium text-gray-500">背景颜色</h4>
            <div className="grid grid-cols-8 gap-2 p-2 bg-gray-50 rounded-lg">
              {xmindColorPresets.map((color) => (
                <div
                  key={`bg-${color}`}
                  className={`w-6 h-6 rounded-full cursor-pointer hover:scale-105 transition-transform outline outline-2 outline-offset-1 ${selectedBgColor === color ? 'outline-blue-500' : 'outline-transparent'
                    }`}
                  style={{ backgroundColor: color }}
                  onClick={() => {
                    handleColorChange('background', color);
                  }}
                />
              ))}
            </div>
          </div>
        </div>

        <h3 className="text-sm font-medium text-gray-600">关联链接</h3>
        {/* URL Input */}
        <div className="space-y-1">
          <Input
            placeholder="例如：https://example.com"
            value={url}
            onChange={handleUrlChange}
            addonBefore={<LinkOutlined />}
          />
          {url && !/^https?:\/\/\S+$/.test(url) && (
            <p className="text-xs text-red-500">请输入有效的URL地址</p>
          )}
        </div>
      </div>
    </div>
  );
};

export default NodeMenu;