'use client'
import React, { useState, useEffect } from 'react'

export default function AutomationPage() {
  const [config, setConfig] = useState({
    mode: 'SIMULATION',
    symbol: 'SOLUSD',
    timeframe: '1h',
    tradingAmount: 100,
    maxLeverage: 3,
    stopLossPercent: 2,
    takeProfitPercent: 6,
    maxDailyTrades: 5,
    riskPercentage: 2
  })

  const [status, setStatus] = useState(null)
  const [isLoading, setIsLoading] = useState(false)
  const [learningInsights, setLearningInsights] = useState(null)
  const [recentTrades, setRecentTrades] = useState([])

  useEffect(() => {
    fetchStatus()
    fetchLearningInsights()
    fetchRecentTrades()
  }, [])

  const fetchStatus = async () => {
    try {
      const response = await fetch('/api/automation/status')
      const data = await response.json()
      if (data.success) {
        setStatus(data.status)
      }
    } catch (error) {
      console.error('Failed to fetch status:', error)
    }
  }

  const fetchLearningInsights = async () => {
    try {
      const response = await fetch('/api/automation/learning-insights')
      const data = await response.json()
      if (data.success) {
        setLearningInsights(data.insights)
      }
    } catch (error) {
      console.error('Failed to fetch learning insights:', error)
    }
  }

  const fetchRecentTrades = async () => {
    try {
      const response = await fetch('/api/automation/recent-trades')
      const data = await response.json()
      if (data.success) {
        setRecentTrades(data.trades)
      }
    } catch (error) {
      console.error('Failed to fetch recent trades:', error)
    }
  }

  const handleStart = async () => {
    setIsLoading(true)
    try {
      const response = await fetch('/api/automation/start', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json'
        },
        body: JSON.stringify(config)
      })
      const data = await response.json()
      if (data.success) {
        fetchStatus()
      } else {
        alert('Failed to start automation: ' + data.error)
      }
    } catch (error) {
      console.error('Failed to start automation:', error)
      alert('Failed to start automation')
    } finally {
      setIsLoading(false)
    }
  }

  const handleStop = async () => {
    setIsLoading(true)
    try {
      const response = await fetch('/api/automation/stop', {
        method: 'POST'
      })
      const data = await response.json()
      if (data.success) {
        fetchStatus()
      } else {
        alert('Failed to stop automation: ' + data.error)
      }
    } catch (error) {
      console.error('Failed to stop automation:', error)
      alert('Failed to stop automation')
    } finally {
      setIsLoading(false)
    }
  }

  const handlePause = async () => {
    setIsLoading(true)
    try {
      const response = await fetch('/api/automation/pause', {
        method: 'POST'
      })
      const data = await response.json()
      if (data.success) {
        fetchStatus()
      } else {
        alert('Failed to pause automation: ' + data.error)
      }
    } catch (error) {
      console.error('Failed to pause automation:', error)
      alert('Failed to pause automation')
    } finally {
      setIsLoading(false)
    }
  }

  const handleResume = async () => {
    setIsLoading(true)
    try {
      const response = await fetch('/api/automation/resume', {
        method: 'POST'
      })
      const data = await response.json()
      if (data.success) {
        fetchStatus()
      } else {
        alert('Failed to resume automation: ' + data.error)
      }
    } catch (error) {
      console.error('Failed to resume automation:', error)
      alert('Failed to resume automation')
    } finally {
      setIsLoading(false)
    }
  }

  return (
    <div className="space-y-8">
      <div className="flex items-center justify-between">
        <div>
          <h1 className="text-3xl font-bold text-white">Automation Mode</h1>
          <p className="text-gray-400 mt-2">
            AI-powered automated trading on 1H timeframe with learning capabilities
          </p>
        </div>
        <div className="flex space-x-4">
          {status?.isActive ? (
            <>
              <button
                onClick={handlePause}
                disabled={isLoading}
                className="px-4 py-2 bg-yellow-600 text-white rounded-lg hover:bg-yellow-700 transition-colors disabled:opacity-50"
              >
                {isLoading ? 'Pausing...' : 'Pause'}
              </button>
              <button
                onClick={handleStop}
                disabled={isLoading}
                className="px-4 py-2 bg-red-600 text-white rounded-lg hover:bg-red-700 transition-colors disabled:opacity-50"
              >
                {isLoading ? 'Stopping...' : 'Stop'}
              </button>
            </>
          ) : (
            <>
              {status?.status === 'PAUSED' && (
                <button
                  onClick={handleResume}
                  disabled={isLoading}
                  className="px-4 py-2 bg-green-600 text-white rounded-lg hover:bg-green-700 transition-colors disabled:opacity-50"
                >
                  {isLoading ? 'Resuming...' : 'Resume'}
                </button>
              )}
              <button
                onClick={handleStart}
                disabled={isLoading}
                className="px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition-colors disabled:opacity-50"
              >
                {isLoading ? 'Starting...' : 'Start Automation'}
              </button>
            </>
          )}
        </div>
      </div>
      
      <div className="grid grid-cols-1 xl:grid-cols-2 gap-8">
        {/* Configuration Panel */}
        <div className="space-y-6">
          <div className="card card-gradient p-6">
            <h2 className="text-xl font-bold text-white mb-4">Configuration</h2>
            
            <div className="space-y-4">
              <div>
                <label className="block text-sm font-medium text-gray-300 mb-2">
                  Trading Mode
                </label>
                <select
                  value={config.mode}
                  onChange={(e) => setConfig({...config, mode: e.target.value})}
                  className="w-full p-3 bg-gray-800 border border-gray-700 rounded-lg text-white focus:outline-none focus:ring-2 focus:ring-blue-500"
                  disabled={status?.isActive}
                >
                  <option value="SIMULATION">Simulation (Paper Trading)</option>
                  <option value="LIVE">Live Trading (Jupiter DEX)</option>
                </select>
              </div>

              <div className="grid grid-cols-2 gap-4">
                <div>
                  <label className="block text-sm font-medium text-gray-300 mb-2">
                    Symbol
                  </label>
                  <select
                    value={config.symbol}
                    onChange={(e) => setConfig({...config, symbol: e.target.value})}
                    className="w-full p-3 bg-gray-800 border border-gray-700 rounded-lg text-white focus:outline-none focus:ring-2 focus:ring-blue-500"
                    disabled={status?.isActive}
                  >
                    <option value="SOLUSD">SOL/USD</option>
                    <option value="BTCUSD">BTC/USD</option>
                    <option value="ETHUSD">ETH/USD</option>
                  </select>
                </div>

                <div>
                  <label className="block text-sm font-medium text-gray-300 mb-2">
                    Timeframe
                  </label>
                  <select
                    value={config.timeframe}
                    onChange={(e) => setConfig({...config, timeframe: e.target.value})}
                    className="w-full p-3 bg-gray-800 border border-gray-700 rounded-lg text-white focus:outline-none focus:ring-2 focus:ring-blue-500"
                    disabled={status?.isActive}
                  >
                    <option value="1h">1 Hour (Recommended)</option>
                    <option value="4h">4 Hours</option>
                    <option value="1d">1 Day</option>
                  </select>
                </div>
              </div>

              <div className="grid grid-cols-2 gap-4">
                <div>
                  <label className="block text-sm font-medium text-gray-300 mb-2">
                    Trading Amount ($)
                  </label>
                  <input
                    type="number"
                    value={config.tradingAmount}
                    onChange={(e) => setConfig({...config, tradingAmount: parseFloat(e.target.value)})}
                    className="w-full p-3 bg-gray-800 border border-gray-700 rounded-lg text-white focus:outline-none focus:ring-2 focus:ring-blue-500"
                    disabled={status?.isActive}
                    min="10"
                    step="10"
                  />
                </div>

                <div>
                  <label className="block text-sm font-medium text-gray-300 mb-2">
                    Max Leverage
                  </label>
                  <select
                    value={config.maxLeverage}
                    onChange={(e) => setConfig({...config, maxLeverage: parseFloat(e.target.value)})}
                    className="w-full p-3 bg-gray-800 border border-gray-700 rounded-lg text-white focus:outline-none focus:ring-2 focus:ring-blue-500"
                    disabled={status?.isActive}
                  >
                    <option value="1">1x (Spot)</option>
                    <option value="2">2x</option>
                    <option value="3">3x</option>
                    <option value="5">5x</option>
                  </select>
                </div>
              </div>

              <div className="grid grid-cols-3 gap-4">
                <div>
                  <label className="block text-sm font-medium text-gray-300 mb-2">
                    Stop Loss (%)
                  </label>
                  <input
                    type="number"
                    value={config.stopLossPercent}
                    onChange={(e) => setConfig({...config, stopLossPercent: parseFloat(e.target.value)})}
                    className="w-full p-3 bg-gray-800 border border-gray-700 rounded-lg text-white focus:outline-none focus:ring-2 focus:ring-blue-500"
                    disabled={status?.isActive}
                    min="1"
                    max="10"
                    step="0.5"
                  />
                </div>

                <div>
                  <label className="block text-sm font-medium text-gray-300 mb-2">
                    Take Profit (%)
                  </label>
                  <input
                    type="number"
                    value={config.takeProfitPercent}
                    onChange={(e) => setConfig({...config, takeProfitPercent: parseFloat(e.target.value)})}
                    className="w-full p-3 bg-gray-800 border border-gray-700 rounded-lg text-white focus:outline-none focus:ring-2 focus:ring-blue-500"
                    disabled={status?.isActive}
                    min="2"
                    max="20"
                    step="1"
                  />
                </div>

                <div>
                  <label className="block text-sm font-medium text-gray-300 mb-2">
                    Max Daily Trades
                  </label>
                  <input
                    type="number"
                    value={config.maxDailyTrades}
                    onChange={(e) => setConfig({...config, maxDailyTrades: parseInt(e.target.value)})}
                    className="w-full p-3 bg-gray-800 border border-gray-700 rounded-lg text-white focus:outline-none focus:ring-2 focus:ring-blue-500"
                    disabled={status?.isActive}
                    min="1"
                    max="20"
                  />
                </div>
              </div>
            </div>
          </div>

          {/* Learning Insights */}
          {learningInsights && (
            <div className="card card-gradient p-6">
              <h2 className="text-xl font-bold text-white mb-4">AI Learning Insights</h2>
              <div className="space-y-3">
                <div className="flex justify-between">
                  <span className="text-gray-300">Total Analyses:</span>
                  <span className="text-white font-semibold">{learningInsights.totalAnalyses}</span>
                </div>
                <div className="flex justify-between">
                  <span className="text-gray-300">Avg Accuracy:</span>
                  <span className="text-white font-semibold">{(learningInsights.avgAccuracy * 100).toFixed(1)}%</span>
                </div>
                <div className="flex justify-between">
                  <span className="text-gray-300">Best Timeframe:</span>
                  <span className="text-green-400 font-semibold">{learningInsights.bestTimeframe}</span>
                </div>
                <div className="flex justify-between">
                  <span className="text-gray-300">Worst Timeframe:</span>
                  <span className="text-red-400 font-semibold">{learningInsights.worstTimeframe}</span>
                </div>
                
                <div className="mt-4">
                  <h3 className="text-lg font-semibold text-white mb-2">Recommendations</h3>
                  <ul className="space-y-1">
                    {learningInsights.recommendations.map((rec, idx) => (
                      <li key={idx} className="text-sm text-gray-300">• {rec}</li>
                    ))}
                  </ul>
                </div>
              </div>
            </div>
          )}
        </div>
        
        {/* Status and Performance */}
        <div className="space-y-6">
          {/* Status Panel */}
          <div className="card card-gradient p-6">
            <h2 className="text-xl font-bold text-white mb-4">Status</h2>
            {status ? (
              <div className="space-y-3">
                <div className="flex items-center justify-between">
                  <span className="text-gray-300">Status:</span>
                  <span className={`font-semibold px-2 py-1 rounded ${
                    status.isActive ? 'bg-green-600 text-white' : 'bg-red-600 text-white'
                  }`}>
                    {status.isActive ? 'ACTIVE' : 'STOPPED'}
                  </span>
                </div>
                <div className="flex justify-between">
                  <span className="text-gray-300">Mode:</span>
                  <span className={`font-semibold ${
                    status.mode === 'LIVE' ? 'text-red-400' : 'text-blue-400'
                  }`}>
                    {status.mode}
                  </span>
                </div>
                <div className="flex justify-between">
                  <span className="text-gray-300">Symbol:</span>
                  <span className="text-white font-semibold">{status.symbol}</span>
                </div>
                <div className="flex justify-between">
                  <span className="text-gray-300">Timeframe:</span>
                  <span className="text-white font-semibold">{status.timeframe}</span>
                </div>
                <div className="flex justify-between">
                  <span className="text-gray-300">Total Trades:</span>
                  <span className="text-white font-semibold">{status.totalTrades}</span>
                </div>
                <div className="flex justify-between">
                  <span className="text-gray-300">Win Rate:</span>
                  <span className={`font-semibold ${
                    status.winRate > 0.6 ? 'text-green-400' : 
                    status.winRate > 0.4 ? 'text-yellow-400' : 'text-red-400'
                  }`}>
                    {(status.winRate * 100).toFixed(1)}%
                  </span>
                </div>
                <div className="flex justify-between">
                  <span className="text-gray-300">Total P&L:</span>
                  <span className={`font-semibold ${
                    status.totalPnL > 0 ? 'text-green-400' : 
                    status.totalPnL < 0 ? 'text-red-400' : 'text-gray-300'
                  }`}>
                    ${status.totalPnL.toFixed(2)}
                  </span>
                </div>
                {status.lastAnalysis && (
                  <div className="flex justify-between">
                    <span className="text-gray-300">Last Analysis:</span>
                    <span className="text-white font-semibold">
                      {new Date(status.lastAnalysis).toLocaleTimeString()}
                    </span>
                  </div>
                )}
                {status.errorCount > 0 && (
                  <div className="flex justify-between">
                    <span className="text-gray-300">Errors:</span>
                    <span className="text-red-400 font-semibold">{status.errorCount}</span>
                  </div>
                )}
              </div>
            ) : (
              <p className="text-gray-400">No active automation session</p>
            )}
          </div>

          {/* Recent Trades */}
          <div className="card card-gradient p-6">
            <h2 className="text-xl font-bold text-white mb-4">Recent Automated Trades</h2>
            {recentTrades.length > 0 ? (
              <div className="space-y-3">
                {recentTrades.slice(0, 5).map((trade, idx) => (
                  <div key={idx} className="flex items-center justify-between p-3 bg-gray-800 rounded-lg">
                    <div>
                      <span className={`font-semibold ${
                        trade.side === 'BUY' ? 'text-green-400' : 'text-red-400'
                      }`}>
                        {trade.side}
                      </span>
                      <span className="text-white ml-2">{trade.symbol}</span>
                      <span className="text-gray-400 ml-2">{trade.timeframe}</span>
                    </div>
                    <div className="text-right">
                      <div className="text-white font-semibold">${trade.amount}</div>
                      <div className="text-sm text-gray-400">{trade.confidence}% confidence</div>
                    </div>
                  </div>
                ))}
              </div>
            ) : (
              <p className="text-gray-400">No recent trades</p>
            )}
          </div>
        </div>
      </div>
    </div>
  )
}