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

export default function StatusOverview() {
  const [status, setStatus] = useState({
    portfolioValue: 0,
    activeTrades: 0,
    dailyPnL: 0,
    systemStatus: 'offline',
    marketPrices: [],
    walletBalance: null,
    availableCoins: []
  })
  const [loading, setLoading] = useState(true)

  // Coin icons mapping - using CoinGecko images
  const coinIcons = {
    'BTC': 'https://assets.coingecko.com/coins/images/1/large/bitcoin.png',
    'ETH': 'https://assets.coingecko.com/coins/images/279/large/ethereum.png', 
    'SOL': 'https://assets.coingecko.com/coins/images/4128/large/solana.png',
    'SOL-USD': 'https://assets.coingecko.com/coins/images/4128/large/solana.png'
  }

  useEffect(() => {
    async function fetchStatus() {
      try {
        setLoading(true)
        
        // Get real wallet balance
        let walletBalance = null
        let availableCoins = []
        
        try {
          const walletRes = await fetch('/api/wallet/balance')
          if (walletRes.ok) {
            const walletData = await walletRes.json()
            if (walletData.success) {
              walletBalance = walletData.balance
              availableCoins = walletData.balance.positions || []
            }
          }
        } catch (e) {
          console.warn('Could not fetch wallet balance:', e)
        }
        
        // Get market data - only BTC, ETH, SOL
        let marketPrices = []
        try {
          const marketRes = await fetch('/api/market')
          if (marketRes.ok) {
            const marketData = await marketRes.json()
            if (marketData.success) {
              // Filter to only show BTC, ETH, SOL
              const targetCoins = ['BTC', 'ETH', 'SOL']
              marketPrices = (marketData.data.prices || [])
                .filter(price => targetCoins.includes(price.symbol))
                .sort((a, b) => targetCoins.indexOf(a.symbol) - targetCoins.indexOf(b.symbol))
            }
          }
        } catch (e) {
          console.warn('Could not fetch market data:', e)
        }

        // Get system status
        let systemStatus = 'online'
        try {
          const statusRes = await fetch('/api/status')
          if (!statusRes.ok) {
            systemStatus = 'error'
          }
        } catch (e) {
          systemStatus = 'error'
        }

        setStatus({
          portfolioValue: walletBalance?.totalValue || 0,
          activeTrades: 0,
          dailyPnL: 0,
          systemStatus: systemStatus,
          marketPrices: marketPrices,
          walletBalance: walletBalance,
          availableCoins: availableCoins
        })
      } catch (error) {
        console.error('Error fetching status:', error)
        setStatus(prev => ({ ...prev, systemStatus: 'error' }))
      }
      setLoading(false)
    }

    fetchStatus()
    // Refresh every 30 seconds
    const interval = setInterval(fetchStatus, 30000)
    return () => clearInterval(interval)
  }, [])

  const statusColor = {
    online: 'text-green-400',
    offline: 'text-yellow-400', 
    error: 'text-red-400'
  }

  const statusIcon = {
    online: '🟢',
    offline: '🟡',
    error: '🔴'
  }

  if (loading) {
    return (
      <div className="card card-gradient">
        <div className="flex items-center justify-center py-12">
          <div className="spinner"></div>
          <span className="ml-2 text-gray-400">Loading overview...</span>
        </div>
      </div>
    )
  }

  return (
    <div className="space-y-6">
      {/* System Status Header */}
      <div className="card card-gradient">
        <div className="flex items-center justify-between mb-6">
          <h2 className="text-xl font-bold text-white">System Status</h2>
          <div className="flex items-center space-x-2">
            <span className="text-lg">{statusIcon[status.systemStatus]}</span>
            <span className={`text-sm font-medium ${statusColor[status.systemStatus]}`}>
              Trading Bot {status.systemStatus.toUpperCase()}
            </span>
          </div>
        </div>

        {/* Portfolio Overview - Combined Section */}
        <div className="grid grid-cols-2 lg:grid-cols-4 gap-4 mb-6">
          <div className="bg-gradient-to-br from-blue-500/10 to-blue-600/10 border border-blue-500/20 rounded-lg p-4">
            <div className="flex items-center space-x-3 mb-2">
              <div className="w-10 h-10 bg-blue-500/20 rounded-full flex items-center justify-center">
                <span className="text-blue-400 text-lg">💎</span>
              </div>
              <div>
                <p className="text-blue-400 text-sm font-medium">Portfolio Value</p>
                <p className="text-xl font-bold text-white">${status.portfolioValue.toFixed(2)}</p>
              </div>
            </div>
          </div>

          {status.walletBalance && (
            <div className="bg-gradient-to-br from-emerald-500/10 to-emerald-600/10 border border-emerald-500/20 rounded-lg p-4">
              <div className="flex items-center space-x-3 mb-2">
                <div className="w-10 h-10 bg-emerald-500/20 rounded-full flex items-center justify-center p-1">
                  <img 
                    src={coinIcons['SOL']} 
                    alt="SOL" 
                    className="w-6 h-6 rounded-full"
                  />
                </div>
                <div>
                  <p className="text-emerald-400 text-sm font-medium">Wallet Balance</p>
                  <p className="text-xl font-bold text-white">
                    {status.walletBalance.positions?.[0]?.amount?.toFixed(4) || '0.0000'} SOL
                  </p>
                </div>
              </div>
            </div>
          )}

          <div className="bg-gradient-to-br from-purple-500/10 to-purple-600/10 border border-purple-500/20 rounded-lg p-4">
            <div className="flex items-center space-x-3 mb-2">
              <div className="w-10 h-10 bg-purple-500/20 rounded-full flex items-center justify-center">
                <span className="text-purple-400 text-lg">�</span>
              </div>
              <div>
                <p className="text-purple-400 text-sm font-medium">Active Trades</p>
                <p className="text-xl font-bold text-white">{status.activeTrades}</p>
              </div>
            </div>
          </div>

          <div className="bg-gradient-to-br from-green-500/10 to-green-600/10 border border-green-500/20 rounded-lg p-4">
            <div className="flex items-center space-x-3 mb-2">
              <div className="w-10 h-10 bg-green-500/20 rounded-full flex items-center justify-center">
                <span className="text-green-400 text-lg">📈</span>
              </div>
              <div>
                <p className="text-gray-400 text-sm font-medium">Daily P&L</p>
                <p className={`text-xl font-bold ${status.dailyPnL >= 0 ? 'text-green-400' : 'text-red-400'}`}>
                  {status.dailyPnL >= 0 ? '+' : ''}${status.dailyPnL.toFixed(2)}
                </p>
              </div>
            </div>
          </div>
        </div>

        {/* Available Wallet Coins */}
        {status.availableCoins.length > 0 && (
          <div className="border-t border-gray-700 pt-4">
            <h3 className="text-lg font-semibold text-white mb-3">Available Coins</h3>
            <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
              {status.availableCoins.map((coin, index) => (
                <div key={index} className="bg-gray-800/50 rounded-lg p-3">
                  <div className="flex items-center justify-between">
                    <div className="flex items-center space-x-3">
                      {coinIcons[coin.symbol] ? (
                        <img 
                          src={coinIcons[coin.symbol]} 
                          alt={coin.symbol} 
                          className="w-6 h-6 rounded-full"
                        />
                      ) : (
                        <span className="text-xl">🪙</span>
                      )}
                      <div>
                        <span className="text-white font-medium">{coin.symbol}</span>
                        <div className="text-xs text-gray-400">${coin.price?.toFixed(2)}</div>
                      </div>
                    </div>
                    <div className="text-right">
                      <div className="text-white font-medium">{coin.amount?.toFixed(4)}</div>
                      <div className="text-sm text-gray-400">${coin.usdValue?.toFixed(2)}</div>
                    </div>
                  </div>
                </div>
              ))}
            </div>
          </div>
        )}
      </div>

      {/* Live Market Prices - BTC, ETH, SOL only */}
      {status.marketPrices.length > 0 && (
        <div className="card card-gradient">
          <div className="flex items-center justify-between mb-4">
            <h3 className="text-lg font-semibold text-white">Live Market Prices</h3>
            <span className="text-xs text-gray-400">Real-time data</span>
          </div>
          <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
            {status.marketPrices.map((price, index) => (
              <div key={index} className="bg-gradient-to-br from-gray-800/50 to-gray-700/50 border border-gray-600/30 rounded-lg p-4">
                <div className="flex items-center justify-between mb-2">
                  <div className="flex items-center space-x-2">
                    {coinIcons[price.symbol] ? (
                      <img 
                        src={coinIcons[price.symbol]} 
                        alt={price.symbol} 
                        className="w-8 h-8 rounded-full"
                      />
                    ) : (
                      <span className="text-2xl">🪙</span>
                    )}
                    <span className="text-white font-bold text-lg">{price.symbol}</span>
                  </div>
                  <span className="text-white font-bold text-xl">${price.price?.toFixed(2)}</span>
                </div>
                <div className="flex items-center justify-between">
                  <span className="text-xs text-gray-400">24h Change</span>
                  <span className={`text-sm font-medium px-2 py-1 rounded ${
                    price.change24h >= 0 
                      ? 'text-green-400 bg-green-400/10' 
                      : 'text-red-400 bg-red-400/10'
                  }`}>
                    {price.change24h >= 0 ? '+' : ''}{price.change24h?.toFixed(2)}%
                  </span>
                </div>
              </div>
            ))}
          </div>
        </div>
      )}
    </div>
  )
}