flow-funding/components/nodes/FunnelNode.tsx

321 lines
13 KiB
TypeScript

'use client'
import { memo, useState, useCallback, useRef, useEffect } from 'react'
import { Handle, Position } from '@xyflow/react'
import type { NodeProps } from '@xyflow/react'
import type { FunnelNodeData } from '@/lib/types'
// Pie chart colors
const PIE_COLORS = ['#3b82f6', '#8b5cf6', '#ec4899', '#f59e0b', '#10b981', '#06b6d4']
function FunnelNode({ data, selected }: NodeProps) {
const nodeData = data as FunnelNodeData
const { label, currentValue, maxCapacity, outflowAllocations } = nodeData
const [minThreshold, setMinThreshold] = useState(nodeData.minThreshold)
const [maxThreshold, setMaxThreshold] = useState(nodeData.maxThreshold)
const [dragging, setDragging] = useState<'min' | 'max' | null>(null)
const sliderRef = useRef<HTMLDivElement>(null)
// Calculate status
const isOverflowing = currentValue > maxThreshold
const isCritical = currentValue < minThreshold
// Funnel dimensions
const width = 180
const height = 160
const topWidth = 160
const bottomWidth = 40
const padding = 8
// Calculate Y positions
const scaleY = (value: number) => padding + ((maxCapacity - value) / maxCapacity) * (height * 0.65)
const maxY = scaleY(maxThreshold)
const minY = scaleY(minThreshold)
const funnelStartY = minY + 10
const balanceY = Math.max(padding, scaleY(Math.min(currentValue, maxCapacity * 1.1)))
// Funnel shape
const leftTop = (width - topWidth) / 2
const rightTop = (width + topWidth) / 2
const leftBottom = (width - bottomWidth) / 2
const rightBottom = (width + bottomWidth) / 2
const clipPath = `
M ${leftTop} ${padding}
L ${rightTop} ${padding}
L ${rightTop} ${funnelStartY}
L ${rightBottom} ${height - padding - 10}
L ${rightBottom} ${height - padding}
L ${leftBottom} ${height - padding}
L ${leftBottom} ${height - padding - 10}
L ${leftTop} ${funnelStartY}
Z
`
// Dual range slider logic
const handleSliderMouseDown = useCallback((e: React.MouseEvent, type: 'min' | 'max') => {
e.stopPropagation()
setDragging(type)
}, [])
const handleSliderMouseMove = useCallback((e: MouseEvent) => {
if (!dragging || !sliderRef.current) return
const rect = sliderRef.current.getBoundingClientRect()
const x = Math.max(0, Math.min(rect.width, e.clientX - rect.left))
const value = Math.round((x / rect.width) * maxCapacity)
if (dragging === 'min') {
setMinThreshold(Math.min(value, maxThreshold - 1000))
} else {
setMaxThreshold(Math.max(value, minThreshold + 1000))
}
}, [dragging, maxCapacity, minThreshold, maxThreshold])
const handleSliderMouseUp = useCallback(() => {
setDragging(null)
}, [])
useEffect(() => {
if (dragging) {
window.addEventListener('mousemove', handleSliderMouseMove)
window.addEventListener('mouseup', handleSliderMouseUp)
return () => {
window.removeEventListener('mousemove', handleSliderMouseMove)
window.removeEventListener('mouseup', handleSliderMouseUp)
}
}
}, [dragging, handleSliderMouseMove, handleSliderMouseUp])
// Pie chart calculations
const pieRadius = 24
const pieCenter = { x: pieRadius + 4, y: pieRadius + 4 }
const getPieSlices = () => {
if (outflowAllocations.length === 0) return []
let currentAngle = -90 // Start at top
return outflowAllocations.map((alloc, idx) => {
const angle = (alloc.percentage / 100) * 360
const startAngle = currentAngle
const endAngle = currentAngle + angle
currentAngle = endAngle
const startRad = (startAngle * Math.PI) / 180
const endRad = (endAngle * Math.PI) / 180
const x1 = pieCenter.x + pieRadius * Math.cos(startRad)
const y1 = pieCenter.y + pieRadius * Math.sin(startRad)
const x2 = pieCenter.x + pieRadius * Math.cos(endRad)
const y2 = pieCenter.y + pieRadius * Math.sin(endRad)
const largeArc = angle > 180 ? 1 : 0
return {
path: `M ${pieCenter.x} ${pieCenter.y} L ${x1} ${y1} A ${pieRadius} ${pieRadius} 0 ${largeArc} 1 ${x2} ${y2} Z`,
color: alloc.color || PIE_COLORS[idx % PIE_COLORS.length],
percentage: alloc.percentage,
targetId: alloc.targetId,
}
})
}
const pieSlices = getPieSlices()
return (
<div
className={`
bg-white rounded-xl shadow-lg border-2 transition-all duration-200
${selected ? 'border-blue-500 shadow-blue-200' : 'border-slate-200'}
`}
style={{ width: width + 100 }}
>
{/* Top Handle - Inflow */}
<Handle
type="target"
position={Position.Top}
className="!w-4 !h-4 !bg-blue-500 !border-2 !border-white !-top-2"
/>
{/* Header */}
<div className="px-3 py-2 border-b border-slate-100">
<div className="flex items-center justify-between">
<span className="font-semibold text-slate-800 text-sm">{label}</span>
<span className={`text-xs px-2 py-0.5 rounded-full ${
isOverflowing ? 'bg-amber-100 text-amber-700' :
isCritical ? 'bg-red-100 text-red-700' : 'bg-emerald-100 text-emerald-700'
}`}>
{isOverflowing ? 'OVERFLOW' : isCritical ? 'CRITICAL' : 'HEALTHY'}
</span>
</div>
</div>
{/* Main content - Funnel and Pie side by side */}
<div className="flex items-start p-2 gap-2">
{/* Funnel SVG */}
<svg width={width} height={height} className="flex-shrink-0">
<defs>
<linearGradient id={`fill-${label}`} x1="0%" y1="0%" x2="0%" y2="100%">
<stop offset="0%" stopColor={isOverflowing ? '#fbbf24' : isCritical ? '#f87171' : '#34d399'} />
<stop offset="100%" stopColor={isOverflowing ? '#f59e0b' : isCritical ? '#ef4444' : '#10b981'} />
</linearGradient>
<clipPath id={`clip-${label}`}>
<path d={clipPath} />
</clipPath>
</defs>
{/* Zone backgrounds */}
<rect x={leftTop} y={padding} width={topWidth} height={maxY - padding} fill="#fef3c7" />
<rect x={leftTop} y={maxY} width={topWidth} height={funnelStartY - maxY} fill="#d1fae5" />
<path
d={`M ${leftTop} ${funnelStartY} L ${leftBottom} ${height - padding - 10} L ${rightBottom} ${height - padding - 10} L ${rightTop} ${funnelStartY} Z`}
fill="#fee2e2"
/>
{/* Liquid fill */}
<g clipPath={`url(#clip-${label})`}>
<rect x={0} y={balanceY} width={width} height={height} fill={`url(#fill-${label})`}>
<animate attributeName="y" values={`${balanceY};${balanceY - 1};${balanceY}`} dur="2s" repeatCount="indefinite" />
</rect>
</g>
{/* Funnel outline */}
<path
d={`M ${leftTop} ${padding} L ${leftTop} ${funnelStartY} L ${leftBottom} ${height - padding - 10} L ${leftBottom} ${height - padding}
M ${rightBottom} ${height - padding} L ${rightBottom} ${height - padding - 10} L ${rightTop} ${funnelStartY} L ${rightTop} ${padding}`}
fill="none" stroke="#64748b" strokeWidth="2"
/>
<line x1={leftTop} y1={padding} x2={rightTop} y2={padding} stroke="#64748b" strokeWidth="2" />
{/* Threshold zone indicator (single bar on right side) */}
<rect x={rightTop + 4} y={maxY} width={6} height={minY - maxY} fill="#10b981" rx="2" />
<line x1={rightTop + 2} y1={maxY} x2={rightTop + 12} y2={maxY} stroke="#f59e0b" strokeWidth="2" />
<line x1={rightTop + 2} y1={minY} x2={rightTop + 12} y2={minY} stroke="#ef4444" strokeWidth="2" />
{/* Overflow particles */}
{isOverflowing && (
<>
<circle r="3" fill="#f59e0b">
<animate attributeName="cx" values={`${leftTop};${leftTop - 20}`} dur="0.7s" repeatCount="indefinite" />
<animate attributeName="cy" values={`${padding + 5};${padding + 40}`} dur="0.7s" repeatCount="indefinite" />
<animate attributeName="opacity" values="1;0" dur="0.7s" repeatCount="indefinite" />
</circle>
<circle r="3" fill="#f59e0b">
<animate attributeName="cx" values={`${rightTop};${rightTop + 20}`} dur="0.8s" repeatCount="indefinite" begin="0.2s" />
<animate attributeName="cy" values={`${padding + 5};${padding + 40}`} dur="0.8s" repeatCount="indefinite" begin="0.2s" />
<animate attributeName="opacity" values="1;0" dur="0.8s" repeatCount="indefinite" begin="0.2s" />
</circle>
</>
)}
</svg>
{/* Pie chart for outflow allocation */}
{outflowAllocations.length > 0 && (
<div className="flex flex-col items-center">
<span className="text-[10px] text-slate-500 uppercase tracking-wide mb-1">Outflow</span>
<svg width={pieRadius * 2 + 8} height={pieRadius * 2 + 8}>
{pieSlices.map((slice, idx) => (
<path key={idx} d={slice.path} fill={slice.color} stroke="white" strokeWidth="1" />
))}
<circle cx={pieCenter.x} cy={pieCenter.y} r={pieRadius * 0.4} fill="white" />
</svg>
{/* Mini legend */}
<div className="mt-1 space-y-0.5">
{outflowAllocations.slice(0, 3).map((alloc, idx) => (
<div key={idx} className="flex items-center gap-1 text-[9px]">
<div className="w-2 h-2 rounded-sm" style={{ backgroundColor: alloc.color || PIE_COLORS[idx] }} />
<span className="text-slate-600 truncate max-w-[50px]">{alloc.percentage}%</span>
</div>
))}
</div>
</div>
)}
</div>
{/* Value display */}
<div className="px-3 py-1 text-center border-t border-slate-100">
<span className={`text-lg font-bold font-mono ${
isOverflowing ? 'text-amber-600' : isCritical ? 'text-red-600' : 'text-emerald-600'
}`}>
${Math.floor(currentValue).toLocaleString()}
</span>
</div>
{/* Dual range slider */}
<div className="px-3 pb-3">
<div className="flex justify-between text-[10px] text-slate-500 mb-1">
<span>MIN: <span className="text-red-600 font-mono">${(minThreshold/1000).toFixed(0)}k</span></span>
<span>MAX: <span className="text-amber-600 font-mono">${(maxThreshold/1000).toFixed(0)}k</span></span>
</div>
<div
ref={sliderRef}
className="relative h-4 bg-slate-100 rounded-full cursor-pointer"
onClick={(e) => e.stopPropagation()}
>
{/* Track background */}
<div className="absolute inset-y-0 left-0 right-0 rounded-full overflow-hidden">
{/* Red zone (0 to min) */}
<div
className="absolute h-full bg-red-200"
style={{ left: 0, width: `${(minThreshold / maxCapacity) * 100}%` }}
/>
{/* Green zone (min to max) */}
<div
className="absolute h-full bg-emerald-300"
style={{
left: `${(minThreshold / maxCapacity) * 100}%`,
width: `${((maxThreshold - minThreshold) / maxCapacity) * 100}%`
}}
/>
{/* Amber zone (max to capacity) */}
<div
className="absolute h-full bg-amber-200"
style={{ left: `${(maxThreshold / maxCapacity) * 100}%`, right: 0 }}
/>
</div>
{/* Min handle */}
<div
className={`absolute top-1/2 -translate-y-1/2 w-4 h-4 bg-red-500 border-2 border-white rounded-full shadow cursor-grab ${dragging === 'min' ? 'cursor-grabbing scale-110' : ''}`}
style={{ left: `calc(${(minThreshold / maxCapacity) * 100}% - 8px)` }}
onMouseDown={(e) => handleSliderMouseDown(e, 'min')}
/>
{/* Max handle */}
<div
className={`absolute top-1/2 -translate-y-1/2 w-4 h-4 bg-amber-500 border-2 border-white rounded-full shadow cursor-grab ${dragging === 'max' ? 'cursor-grabbing scale-110' : ''}`}
style={{ left: `calc(${(maxThreshold / maxCapacity) * 100}% - 8px)` }}
onMouseDown={(e) => handleSliderMouseDown(e, 'max')}
/>
</div>
</div>
{/* Bottom Handle - Outflow */}
<Handle
type="source"
position={Position.Bottom}
className="!w-4 !h-4 !bg-pink-500 !border-2 !border-white !-bottom-2"
/>
{/* Side Handles - Overflow */}
<Handle
type="source"
position={Position.Left}
id="overflow-left"
className="!w-3 !h-3 !bg-amber-500 !border-2 !border-white"
style={{ top: '25%' }}
/>
<Handle
type="source"
position={Position.Right}
id="overflow-right"
className="!w-3 !h-3 !bg-amber-500 !border-2 !border-white"
style={{ top: '25%' }}
/>
</div>
)
}
export default memo(FunnelNode)