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

export default function StatusOverview() {
  const [status, setStatus] = useState({
    driftBalance: 0,
    activeTrades: 0,
    dailyPnL: 0,
    systemStatus: 'offline',
    bitqueryStatus: 'unknown',
    marketPrices: []
  })
  const [loading, setLoading] = useState(true)

  useEffect(() => {
    async function fetchStatus() {
      try {
        setLoading(true)
        
        // Get market data from Bitquery
        let balance = 0
        let bitqueryStatus = 'error'
        let marketPrices = []
        
        try {
          const marketRes = await fetch('/api/market')
          if (marketRes.ok) {
            const marketData = await marketRes.json()
            if (marketData.success) {
              marketPrices = marketData.data.prices || []
              bitqueryStatus = marketData.data.status?.connected ? 'online' : 'error'
              
              // Calculate portfolio value from Bitquery
              const portfolioRes = await fetch('/api/trading/balance')
              if (portfolioRes.ok) {
                const portfolioData = await portfolioRes.json()
                if (portfolioData.success) {
                  balance = portfolioData.balance.totalValue || 0
                }
              }
            }
          }
        } 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({
          driftBalance: balance,
          activeTrades: 0, // No fake trades - will show real ones when we have them
          dailyPnL: 0, // No fake P&L
          systemStatus: systemStatus,
          bitqueryStatus: bitqueryStatus,
          marketPrices: marketPrices
        })
      } 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: '🔴'
  }

  return (
    <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]}`}>
            {status.systemStatus.toUpperCase()}
          </span>
        </div>
      </div>

      {loading ? (
        <div className="flex items-center justify-center py-8">
          <div className="spinner"></div>
          <span className="ml-2 text-gray-400">Loading status...</span>
        </div>
      ) : (
        <div className="space-y-6">
          {/* Main Status Grid */}
          <div className="grid grid-cols-1 sm:grid-cols-3 gap-6">
            <div className="text-center">
              <div className="w-16 h-16 bg-blue-500/20 rounded-full flex items-center justify-center mx-auto mb-3">
                <span className="text-blue-400 text-2xl">💎</span>
              </div>
              <p className="text-2xl font-bold text-blue-400">
                ${status.driftBalance.toFixed(2)}
              </p>
              <p className="text-gray-400 text-sm">Portfolio Value</p>
            </div>

            <div className="text-center">
              <div className="w-16 h-16 bg-purple-500/20 rounded-full flex items-center justify-center mx-auto mb-3">
                <span className="text-purple-400 text-2xl">🔄</span>
              </div>
              <p className="text-2xl font-bold text-purple-400">
                {status.activeTrades}
              </p>
              <p className="text-gray-400 text-sm">Active Trades</p>
            </div>

            <div className="text-center">
              <div className="w-16 h-16 bg-green-500/20 rounded-full flex items-center justify-center mx-auto mb-3">
                <span className="text-green-400 text-2xl">📈</span>
              </div>
              <p className={`text-2xl font-bold ${status.dailyPnL >= 0 ? 'text-green-400' : 'text-red-400'}`}>
                {status.dailyPnL >= 0 ? '+' : ''}${status.dailyPnL.toFixed(2)}
              </p>
              <p className="text-gray-400 text-sm">Daily P&L</p>
            </div>
          </div>

          {/* Service Status */}
          <div className="border-t border-gray-700 pt-6">
            <div className="flex items-center justify-between mb-4">
              <h3 className="text-lg font-semibold text-white">Service Status</h3>
            </div>
            <div className="grid grid-cols-2 gap-4">
              <div className="flex items-center justify-between p-3 bg-gray-800 rounded-lg">
                <span className="text-gray-300">Trading Bot</span>
                <div className="flex items-center space-x-2">
                  <span className="text-sm">{statusIcon[status.systemStatus]}</span>
                  <span className={`text-sm font-medium ${statusColor[status.systemStatus]}`}>
                    {status.systemStatus.toUpperCase()}
                  </span>
                </div>
              </div>
              <div className="flex items-center justify-between p-3 bg-gray-800 rounded-lg">
                <span className="text-gray-300">Bitquery API</span>
                <div className="flex items-center space-x-2">
                  <span className="text-sm">{statusIcon[status.bitqueryStatus]}</span>
                  <span className={`text-sm font-medium ${statusColor[status.bitqueryStatus]}`}>
                    {status.bitqueryStatus.toUpperCase()}
                  </span>
                </div>
              </div>
            </div>
          </div>

          {/* Market Prices */}
          {status.marketPrices.length > 0 && (
            <div className="border-t border-gray-700 pt-6">
              <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">Via Bitquery</span>
              </div>
              <div className="grid grid-cols-1 sm:grid-cols-3 gap-4">
                {status.marketPrices.map((price, index) => (
                  <div key={index} className="p-3 bg-gray-800 rounded-lg">
                    <div className="flex items-center justify-between">
                      <span className="text-white font-medium">{price.symbol}</span>
                      <span className="text-white font-bold">${price.price?.toFixed(4)}</span>
                    </div>
                    <div className="flex items-center justify-between mt-1">
                      <span className="text-xs text-gray-400">24h Change</span>
                      <span className={`text-xs font-medium ${
                        price.change24h >= 0 ? 'text-green-400' : 'text-red-400'
                      }`}>
                        {price.change24h >= 0 ? '+' : ''}{price.change24h?.toFixed(2)}%
                      </span>
                    </div>
                  </div>
                ))}
              </div>
            </div>
          )}
        </div>
      )}
    </div>
  )
}