import React from 'react';
import { LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, ResponsiveContainer } from 'recharts';

const DataVisualization: React.FC = () => {
  // Generate sample data similar to your reference image
  const generateTimeSeriesData = () => {
    const data = [];
    for (let i = 0; i <= 15; i++) {
      data.push({
        time: i,
        shoulder_pan_pos: 100 - i * 8 + Math.sin(i * 0.5) * 20,
        shoulder_lift_pos: -30 + Math.cos(i * 0.3) * 15,
        elbow_flex_pos: 50 - i * 2 + Math.sin(i * 0.8) * 10,
        wrist_flex_pos: 80 - i * 3 + Math.cos(i * 0.6) * 25,
        wrist_roll_pos: 10 + Math.sin(i * 0.4) * 8,
        gripper_pos: -5 + Math.cos(i * 0.2) * 12,
      });
    }
    return data;
  };

  const leftChartData = generateTimeSeriesData();
  const rightChartData = generateTimeSeriesData().map(item => ({
    ...item,
    wrist_flex_pos: item.wrist_flex_pos + 20,
    wrist_roll_pos: item.wrist_roll_pos - 10,
    gripper_pos: item.gripper_pos + 15,
  }));

  const metricsList = [
    { name: 'shoulder_pan_pos', color: '#ef4444', value: '-15.33' },
    { name: 'shoulder_lift_pos', color: '#22c55e', value: '-18.39' },
    { name: 'elbow_flex_pos', color: '#3b82f6', value: '34.99' },
  ];

  const rightMetricsList = [
    { name: 'wrist_flex_pos', color: '#ef4444', value: '68.87' },
    { name: 'wrist_roll_pos', color: '#22c55e', value: '-4.01' },
    { name: 'gripper_pos', color: '#3b82f6', value: '19.82' },
  ];

  return (
    <div className="bg-gray-900 text-white rounded-2xl p-6 shadow-2xl">
      {/* Header with observation images */}
      <div className="grid grid-cols-1 lg:grid-cols-2 gap-6 mb-6">
        <div className="bg-gray-800 rounded-lg p-4">
          <div className="flex items-center justify-between mb-2">
            <h3 className="text-sm font-medium text-gray-300">observation_images_front</h3>
            <div className="flex gap-2">
              <button className="w-4 h-4 bg-gray-600 rounded hover:bg-gray-500"></button>
              <button className="w-4 h-4 bg-gray-600 rounded hover:bg-gray-500">×</button>
            </div>
          </div>
          <div className="bg-red-200 rounded h-32 flex items-center justify-center">
            <div className="text-orange-600 text-xs">📦 Dataset Sample View</div>
          </div>
        </div>
        
        <div className="bg-gray-800 rounded-lg p-4">
          <div className="flex items-center justify-between mb-2">
            <h3 className="text-sm font-medium text-gray-300">observation_images_side</h3>
            <div className="flex gap-2">
              <button className="w-4 h-4 bg-gray-600 rounded hover:bg-gray-500"></button>
              <button className="w-4 h-4 bg-gray-600 rounded hover:bg-gray-500">×</button>
            </div>
          </div>
          <div className="bg-gray-200 rounded h-32 flex items-center justify-center">
            <div className="text-gray-600 text-xs">🎯 Model Predictions</div>
          </div>
        </div>
      </div>

      {/* Time series charts */}
      <div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
        {/* Left Chart */}
        <div className="bg-gray-800 rounded-lg p-4">
          <ResponsiveContainer width="100%" height={200}>
            <LineChart data={leftChartData}>
              <CartesianGrid strokeDasharray="1 1" stroke="#374151" />
              <XAxis 
                dataKey="time" 
                axisLine={false}
                tickLine={false}
                tick={{ fontSize: 10, fill: '#9CA3AF' }}
                domain={[0, 15]}
              />
              <YAxis 
                axisLine={false}
                tickLine={false}
                tick={{ fontSize: 10, fill: '#9CA3AF' }}
                domain={[-100, 100]}
              />
              <Tooltip 
                contentStyle={{
                  backgroundColor: '#1F2937',
                  border: '1px solid #374151',
                  borderRadius: '6px',
                  color: '#F9FAFB'
                }}
              />
              <Line type="monotone" dataKey="shoulder_pan_pos" stroke="#ef4444" strokeWidth={1.5} dot={false} />
              <Line type="monotone" dataKey="shoulder_lift_pos" stroke="#22c55e" strokeWidth={1.5} dot={false} />
              <Line type="monotone" dataKey="elbow_flex_pos" stroke="#3b82f6" strokeWidth={1.5} dot={false} />
            </LineChart>
          </ResponsiveContainer>
          
          {/* Metrics table */}
          <div className="mt-4 space-y-2">
            {metricsList.map((metric, index) => (
              <div key={index} className="flex items-center gap-2 text-xs">
                <div className="flex items-center gap-1">
                  <div className="w-2 h-2 rounded-full" style={{ backgroundColor: metric.color }}></div>
                  <span className="text-gray-300">{metric.name}</span>
                </div>
                <div className="flex gap-4">
                  <span className="text-gray-400">action</span>
                  <span className="text-white">{metric.value}</span>
                </div>
              </div>
            ))}
          </div>
        </div>

        {/* Right Chart */}
        <div className="bg-gray-800 rounded-lg p-4">
          <ResponsiveContainer width="100%" height={200}>
            <LineChart data={rightChartData}>
              <CartesianGrid strokeDasharray="1 1" stroke="#374151" />
              <XAxis 
                dataKey="time" 
                axisLine={false}
                tickLine={false}
                tick={{ fontSize: 10, fill: '#9CA3AF' }}
                domain={[0, 15]}
              />
              <YAxis 
                axisLine={false}
                tickLine={false}
                tick={{ fontSize: 10, fill: '#9CA3AF' }}
                domain={[-30, 90]}
              />
              <Tooltip 
                contentStyle={{
                  backgroundColor: '#1F2937',
                  border: '1px solid #374151',
                  borderRadius: '6px',
                  color: '#F9FAFB'
                }}
              />
              <Line type="monotone" dataKey="wrist_flex_pos" stroke="#ef4444" strokeWidth={1.5} dot={false} />
              <Line type="monotone" dataKey="wrist_roll_pos" stroke="#22c55e" strokeWidth={1.5} dot={false} />
              <Line type="monotone" dataKey="gripper_pos" stroke="#3b82f6" strokeWidth={1.5} dot={false} />
            </LineChart>
          </ResponsiveContainer>
          
          {/* Metrics table */}
          <div className="mt-4 space-y-2">
            {rightMetricsList.map((metric, index) => (
              <div key={index} className="flex items-center gap-2 text-xs">
                <div className="flex items-center gap-1">
                  <div className="w-2 h-2 rounded-full" style={{ backgroundColor: metric.color }}></div>
                  <span className="text-gray-300">{metric.name}</span>
                </div>
                <div className="flex gap-4">
                  <span className="text-gray-400">action</span>
                  <span className="text-white">{metric.value}</span>
                </div>
              </div>
            ))}
          </div>
        </div>
      </div>
    </div>
  );
};

export default DataVisualization;