`src/components/charts/MarketActivityChart.tsx`

89 lines
'use client';

import { ResponsiveContainer, AreaChart, Area, XAxis, YAxis, CartesianGrid, Tooltip, Legend } from 'recharts';
import { format } from 'date-fns';

interface DailyActivity {
  date: string;
  event_count: number;
  auctions: number;
  marketplace: number;
  dealer_asks: number;
  avg_price?: number;
}

interface MarketActivityChartProps {
  data: DailyActivity[];
  title?: string;
}

const CustomTooltip = ({ active, payload, label }: any) => {
  if (!active || !payload?.length) return null;
  return (
    <div className="bg-navy-800 border border-navy-600 rounded-lg p-3 shadow-xl">
      <p className="text-xs font-medium text-white mb-1">
        {label ? format(new Date(label), 'MMM d, yyyy') : label}
      </p>
      {payload.map((p: any) => (
        <p key={p.dataKey} className="text-xs" style={{ color: p.color }}>
          {p.name}: {parseInt(p.value).toLocaleString()}
        </p>
      ))}
    </div>
  );
};

export default function MarketActivityChart({ data, title }: MarketActivityChartProps) {
  if (!data?.length) {
    return (
      <div className="bg-navy-800/50 rounded-xl border border-navy-700 p-8 text-center">
        <p className="text-navy-400">No market activity data available</p>
      </div>
    );
  }

  const chartData = data.map((d) => ({
    ...d,
    auctions: parseInt(String(d.auctions)) || 0,
    marketplace: parseInt(String(d.marketplace)) || 0,
    dealer_asks: parseInt(String(d.dealer_asks)) || 0,
    dateLabel: format(new Date(d.date), 'MMM d'),
  }));

  return (
    <div className="bg-navy-800/50 rounded-xl border border-navy-700 p-4">
      {title && <h3 className="text-sm font-semibold uppercase tracking-wider text-gray-400 mb-4">{title}</h3>}
      <ResponsiveContainer width="100%" height={280}>
        <AreaChart data={chartData} margin={{ top: 5, right: 10, bottom: 5, left: 10 }}>
          <defs>
            <linearGradient id="gradAuctions" x1="0" y1="0" x2="0" y2="1">
              <stop offset="5%" stopColor="#d4842e" stopOpacity={0.3} />
              <stop offset="95%" stopColor="#d4842e" stopOpacity={0} />
            </linearGradient>
            <linearGradient id="gradMarketplace" x1="0" y1="0" x2="0" y2="1">
              <stop offset="5%" stopColor="#6366f1" stopOpacity={0.3} />
              <stop offset="95%" stopColor="#6366f1" stopOpacity={0} />
            </linearGradient>
            <linearGradient id="gradDealer" x1="0" y1="0" x2="0" y2="1">
              <stop offset="5%" stopColor="#f59e0b" stopOpacity={0.3} />
              <stop offset="95%" stopColor="#f59e0b" stopOpacity={0} />
            </linearGradient>
          </defs>
          <CartesianGrid strokeDasharray="3 3" stroke="#1e293b" vertical={false} />
          <XAxis dataKey="dateLabel" stroke="#64748b" fontSize={10} tick={{ fill: '#94a3b8' }} />
          <YAxis stroke="#64748b" fontSize={11} />
          <Tooltip content={<CustomTooltip />} />
          <Legend
            formatter={(value: string) => (
              <span className="text-xs text-navy-300">{value}</span>
            )}
          />
          <Area type="monotone" dataKey="auctions" name="Auctions" stackId="1" stroke="#d4842e" fill="url(#gradAuctions)" />
          <Area type="monotone" dataKey="marketplace" name="Marketplace" stackId="1" stroke="#6366f1" fill="url(#gradMarketplace)" />
          <Area type="monotone" dataKey="dealer_asks" name="Dealer Asks" stackId="1" stroke="#f59e0b" fill="url(#gradDealer)" />
        </AreaChart>
      </ResponsiveContainer>
    </div>
  );
}