interface Candle {
  id: number
  x: number
  y: number
  open: number
  close: number
  high: number
  low: number
  delay: number
  duration: number
}

// Generate static candlesticks once
const generateCandles = (): Candle[] => {
  const newCandles: Candle[] = []
  const numCandles = 15

  for (let i = 0; i < numCandles; i++) {
    const open = Math.random() * 60 + 20
    const movement = (Math.random() - 0.5) * 40
    const close = open + movement
    const high = Math.max(open, close) + Math.random() * 20
    const low = Math.min(open, close) - Math.random() * 20

    newCandles.push({
      id: i,
      x: Math.random() * 100,
      y: Math.random() * 100,
      open,
      close,
      high,
      low,
      delay: Math.random() * 5,
      duration: 8 + Math.random() * 4,
    })
  }
  return newCandles
}

const CANDLES = generateCandles()

const TradingBackground = () => {

  return (
    <div className="absolute inset-0 overflow-hidden pointer-events-none">
      <svg className="w-full h-full" viewBox="0 0 100 100" preserveAspectRatio="none" xmlns="http://www.w3.org/2000/svg">
        <defs>
          <linearGradient id="bullishGradient" x1="0%" y1="0%" x2="0%" y2="100%">
            <stop offset="0%" stopColor="rgba(16, 185, 129, 0.5)" />
            <stop offset="100%" stopColor="rgba(16, 185, 129, 0.2)" />
          </linearGradient>
          <linearGradient id="bearishGradient" x1="0%" y1="0%" x2="0%" y2="100%">
            <stop offset="0%" stopColor="rgba(239, 68, 68, 0.5)" />
            <stop offset="100%" stopColor="rgba(239, 68, 68, 0.2)" />
          </linearGradient>
        </defs>

        {CANDLES.map((candle) => {
          const isBullish = candle.close > candle.open
          const color = isBullish ? 'url(#bullishGradient)' : 'url(#bearishGradient)'
          const strokeColor = isBullish ? 'rgba(16, 185, 129, 0.6)' : 'rgba(239, 68, 68, 0.6)'

          const bodyTop = Math.min(candle.open, candle.close)
          const bodyHeight = Math.abs(candle.close - candle.open)
          const bodyWidth = 1.5

          return (
            <g
              key={candle.id}
              className="animate-pulse"
              style={{
                animationDelay: `${candle.delay}s`,
                animationDuration: `${candle.duration}s`,
              }}
            >
              {/* High-Low line (wick) */}
              <line
                x1={candle.x}
                y1={candle.y - (candle.high - candle.close) / 3}
                x2={candle.x}
                y2={candle.y + (candle.close - candle.low) / 3}
                stroke={strokeColor}
                strokeWidth="0.3"
              />

              {/* Candle body */}
              <rect
                x={candle.x - bodyWidth / 2}
                y={candle.y - (bodyTop - candle.close) / 3}
                width={bodyWidth}
                height={bodyHeight / 3}
                fill={color}
                stroke={strokeColor}
                strokeWidth="0.15"
                rx="0.15"
              />
            </g>
          )
        })}

        {/* Animated trend lines - now spanning full width */}
        <g className="animate-pulse" style={{ animationDuration: '6s' }}>
          <path
            d="M 0,30 Q 25,15 50,20 T 100,10"
            stroke="rgba(96, 165, 250, 0.4)"
            strokeWidth="0.5"
            fill="none"
            strokeDasharray="3,3"
            vectorEffect="non-scaling-stroke"
          >
            <animate
              attributeName="stroke-dashoffset"
              from="0"
              to="6"
              dur="3s"
              repeatCount="indefinite"
            />
          </path>
        </g>

        <g className="animate-pulse" style={{ animationDuration: '8s', animationDelay: '1s' }}>
          <path
            d="M 0,70 Q 25,85 50,80 T 100,95"
            stroke="rgba(168, 85, 247, 0.4)"
            strokeWidth="0.5"
            fill="none"
            strokeDasharray="3,3"
            vectorEffect="non-scaling-stroke"
          >
            <animate
              attributeName="stroke-dashoffset"
              from="0"
              to="6"
              dur="3s"
              repeatCount="indefinite"
            />
          </path>
        </g>

        <g className="animate-pulse" style={{ animationDuration: '7s', animationDelay: '0.5s' }}>
          <path
            d="M 0,50 Q 30,40 60,45 Q 80,50 100,55"
            stroke="rgba(59, 130, 246, 0.35)"
            strokeWidth="0.4"
            fill="none"
            strokeDasharray="2.5,2.5"
            vectorEffect="non-scaling-stroke"
          >
            <animate
              attributeName="stroke-dashoffset"
              from="0"
              to="5"
              dur="4s"
              repeatCount="indefinite"
            />
          </path>
        </g>
      </svg>

      {/* Floating gradient orbs */}
      <div className="absolute top-1/4 left-1/4 w-96 h-96 bg-blue-500/10 rounded-full blur-3xl animate-pulse" style={{ animationDuration: '8s' }}></div>
      <div className="absolute bottom-1/4 right-1/4 w-96 h-96 bg-purple-500/10 rounded-full blur-3xl animate-pulse" style={{ animationDuration: '10s', animationDelay: '2s' }}></div>
    </div>
  )
}

export default TradingBackground