From 1ee8aa9fe7920a79d6042fd6d3e758fbdae8afbe Mon Sep 17 00:00:00 2001
From: mindesbunister <github_service@egonetix.de>
Date: Wed, 16 Jul 2025 12:39:22 +0200
Subject: [PATCH] Add working TradingChart component with lightweight-charts

---
 app/simple-chart/page.tsx   |  61 +++++++++
 components/TradingChart.tsx | 239 ++++++++++++++++++++++++++++++++++++
 2 files changed, 300 insertions(+)
 create mode 100644 app/simple-chart/page.tsx

diff --git a/app/simple-chart/page.tsx b/app/simple-chart/page.tsx
new file mode 100644
index 0000000..ec02992
--- /dev/null
+++ b/app/simple-chart/page.tsx
@@ -0,0 +1,61 @@
+'use client'
+import React, { useEffect, useRef } from 'react'
+
+export default function SimpleChart() {
+  const chartContainerRef = useRef<HTMLDivElement>(null)
+
+  useEffect(() => {
+    if (!chartContainerRef.current) return
+
+    const initChart = async () => {
+      try {
+        console.log('Importing lightweight-charts...')
+        const LightweightCharts = await import('lightweight-charts')
+        console.log('Lightweight charts imported:', LightweightCharts)
+        
+        const { createChart, ColorType } = LightweightCharts
+
+        const chart = createChart(chartContainerRef.current!, {
+          layout: {
+            background: { type: ColorType.Solid, color: '#1a1a1a' },
+            textColor: '#ffffff',
+          },
+          width: 800,
+          height: 400,
+        })
+
+        const candlestickSeries = chart.addCandlestickSeries({
+          upColor: '#26a69a',
+          downColor: '#ef5350',
+          borderDownColor: '#ef5350',
+          borderUpColor: '#26a69a',
+          wickDownColor: '#ef5350',
+          wickUpColor: '#26a69a',
+        })
+
+        // Simple test data
+        candlestickSeries.setData([
+          { time: '2023-12-22', open: 75.16, high: 82.84, low: 36.16, close: 45.72 },
+          { time: '2023-12-23', open: 45.12, high: 53.90, low: 45.12, close: 48.09 },
+          { time: '2023-12-24', open: 60.71, high: 60.71, low: 53.39, close: 59.29 },
+          { time: '2023-12-25', open: 68.26, high: 68.26, low: 59.04, close: 60.50 },
+          { time: '2023-12-26', open: 67.71, high: 105.85, low: 66.67, close: 91.04 },
+        ])
+
+        console.log('Chart created successfully!')
+
+      } catch (error) {
+        console.error('Error creating chart:', error)
+      }
+    }
+
+    initChart()
+  }, [])
+
+  return (
+    <div className="min-h-screen bg-gray-900 p-8">
+      <h1 className="text-white text-2xl mb-4">Lightweight Charts Test</h1>
+      <div ref={chartContainerRef} className="bg-gray-800 rounded" />
+    </div>
+  )
+}
diff --git a/components/TradingChart.tsx b/components/TradingChart.tsx
index e69de29..feebb68 100644
--- a/components/TradingChart.tsx
+++ b/components/TradingChart.tsx
@@ -0,0 +1,239 @@
+'use client'
+import React, { useEffect, useRef, useState } from 'react'
+
+interface Position {
+  id: string
+  symbol: string
+  side: 'LONG' | 'SHORT'
+  size: number
+  entryPrice: number
+  stopLoss?: number
+  takeProfit?: number
+  pnl: number
+  pnlPercentage: number
+}
+
+interface TradingChartProps {
+  symbol?: string
+  positions?: Position[]
+}
+
+export default function TradingChart({ symbol = 'SOL/USDC', positions = [] }: TradingChartProps) {
+  const chartContainerRef = useRef<HTMLDivElement>(null)
+  const chart = useRef<any>(null)
+  const candlestickSeries = useRef<any>(null)
+  const positionLines = useRef<any[]>([])
+  const [isLoading, setIsLoading] = useState(true)
+
+  // Initialize chart with dynamic import
+  useEffect(() => {
+    if (!chartContainerRef.current) return
+
+    const initChart = async () => {
+      try {
+        // Dynamic import to avoid SSR issues
+        const LightweightCharts = await import('lightweight-charts')
+        const { createChart, ColorType, CrosshairMode, LineStyle } = LightweightCharts
+
+        chart.current = createChart(chartContainerRef.current!, {
+          layout: {
+            background: { type: ColorType.Solid, color: '#1a1a1a' },
+            textColor: '#ffffff',
+          },
+          width: chartContainerRef.current!.clientWidth,
+          height: 600,
+          grid: {
+            vertLines: { color: 'rgba(42, 46, 57, 0.5)' },
+            horzLines: { color: 'rgba(42, 46, 57, 0.5)' },
+          },
+          crosshair: {
+            mode: CrosshairMode.Normal,
+          },
+          rightPriceScale: {
+            borderColor: 'rgba(197, 203, 206, 0.8)',
+          },
+          timeScale: {
+            borderColor: 'rgba(197, 203, 206, 0.8)',
+          },
+        })
+
+        // Create candlestick series
+        candlestickSeries.current = chart.current.addCandlestickSeries({
+          upColor: '#26a69a',
+          downColor: '#ef5350',
+          borderDownColor: '#ef5350',
+          borderUpColor: '#26a69a',
+          wickDownColor: '#ef5350',
+          wickUpColor: '#26a69a',
+        })
+
+        // Generate sample data
+        const data = generateSampleData()
+        candlestickSeries.current.setData(data)
+
+        // Add position overlays
+        addPositionOverlays(LineStyle)
+
+        setIsLoading(false)
+
+        // Handle resize
+        const handleResize = () => {
+          if (chart.current && chartContainerRef.current) {
+            chart.current.applyOptions({
+              width: chartContainerRef.current.clientWidth,
+            })
+          }
+        }
+
+        window.addEventListener('resize', handleResize)
+
+        return () => {
+          window.removeEventListener('resize', handleResize)
+          if (chart.current) {
+            chart.current.remove()
+          }
+        }
+      } catch (error) {
+        console.error('Failed to initialize chart:', error)
+        setIsLoading(false)
+      }
+    }
+
+    const addPositionOverlays = (LineStyle: any) => {
+      if (!chart.current) return
+
+      // Clear existing lines
+      positionLines.current.forEach(line => {
+        if (line && chart.current) {
+          chart.current.removePriceLine(line)
+        }
+      })
+      positionLines.current = []
+
+      // Add new position lines
+      positions.forEach(position => {
+        // Entry price line
+        const entryLine = chart.current.addPriceLine({
+          price: position.entryPrice,
+          color: '#2196F3',
+          lineWidth: 2,
+          lineStyle: LineStyle.Solid,
+          axisLabelVisible: true,
+          title: `Entry: $${position.entryPrice.toFixed(2)}`,
+        })
+        positionLines.current.push(entryLine)
+
+        // Stop loss line
+        if (position.stopLoss) {
+          const slLine = chart.current.addPriceLine({
+            price: position.stopLoss,
+            color: '#f44336',
+            lineWidth: 2,
+            lineStyle: LineStyle.Dashed,
+            axisLabelVisible: true,
+            title: `SL: $${position.stopLoss.toFixed(2)}`,
+          })
+          positionLines.current.push(slLine)
+        }
+
+        // Take profit line
+        if (position.takeProfit) {
+          const tpLine = chart.current.addPriceLine({
+            price: position.takeProfit,
+            color: '#4caf50',
+            lineWidth: 2,
+            lineStyle: LineStyle.Dashed,
+            axisLabelVisible: true,
+            title: `TP: $${position.takeProfit.toFixed(2)}`,
+          })
+          positionLines.current.push(tpLine)
+        }
+      })
+    }
+
+    const generateSampleData = () => {
+      const data = []
+      const basePrice = 166.5
+      let currentPrice = basePrice
+      const now = new Date()
+      
+      for (let i = 100; i >= 0; i--) {
+        const time = Math.floor((now.getTime() - i * 60000) / 1000) // 1 minute intervals
+        const volatility = 0.02
+        const change = (Math.random() - 0.5) * volatility * currentPrice
+        
+        const open = currentPrice
+        const close = currentPrice + change
+        const high = Math.max(open, close) + Math.random() * 0.01 * currentPrice
+        const low = Math.min(open, close) - Math.random() * 0.01 * currentPrice
+        
+        data.push({
+          time,
+          open: Number(open.toFixed(2)),
+          high: Number(high.toFixed(2)),
+          low: Number(low.toFixed(2)),
+          close: Number(close.toFixed(2)),
+        })
+        
+        currentPrice = close
+      }
+      
+      return data
+    }
+
+    initChart()
+  }, [])
+
+  // Update position overlays when positions change
+  useEffect(() => {
+    if (chart.current && !isLoading && positions.length > 0) {
+      import('lightweight-charts').then(({ LineStyle }) => {
+        // Re-add position overlays (this is a simplified version)
+        // In a full implementation, you'd want to properly manage line updates
+      })
+    }
+  }, [positions, isLoading])
+
+  if (isLoading) {
+    return (
+      <div className="h-[600px] bg-gray-900 rounded-lg flex items-center justify-center">
+        <div className="text-white">Loading chart...</div>
+      </div>
+    )
+  }
+
+  return (
+    <div className="relative">
+      {/* Chart Header */}
+      <div className="absolute top-4 left-4 z-10 bg-gray-800/80 rounded-lg px-3 py-2">
+        <div className="flex items-center space-x-4">
+          <div className="text-white font-bold text-lg">{symbol}</div>
+          <div className="text-green-400 font-semibold">$166.21</div>
+          <div className="text-green-400 text-sm">+1.42%</div>
+        </div>
+      </div>
+
+      {/* Position Info */}
+      {positions.length > 0 && (
+        <div className="absolute top-4 right-4 z-10 bg-gray-800/80 rounded-lg px-3 py-2">
+          <div className="text-white text-sm">
+            {positions.map(position => (
+              <div key={position.id} className="flex items-center space-x-2">
+                <div className={`w-2 h-2 rounded-full ${
+                  position.side === 'LONG' ? 'bg-green-400' : 'bg-red-400'
+                }`}></div>
+                <span>{position.side} {position.size}</span>
+                <span className={position.pnl >= 0 ? 'text-green-400' : 'text-red-400'}>
+                  {position.pnl >= 0 ? '+' : ''}${position.pnl.toFixed(2)}
+                </span>
+              </div>
+            ))}
+          </div>
+        </div>
+      )}
+
+      {/* Chart Container */}
+      <div ref={chartContainerRef} className="w-full h-[600px] bg-gray-900 rounded-lg" />
+    </div>
+  )
+}