revert: restore v1.1.14 (37a9f303)

src/modules/energy/hydrogen-overview/model.ts

@@ -0,0 +1,75 @@
+import type { HydrogenOverviewResponse } from '../api';
+
+export function formatKg(kg: number): { value: string; unit: string } {
+  if (kg >= 1000) return { value: (kg / 1000).toFixed(2), unit: 'T' };
+  return { value: kg.toFixed(2), unit: 'Kg' };
+}
+
+export function formatYuan(yuan: number): { value: string; unit: string } {
+  const absolute = Math.abs(yuan);
+  if (absolute >= 100_000_000) {
+    return { value: (yuan / 100_000_000).toFixed(2), unit: '亿元' };
+  }
+  if (absolute >= 10_000) {
+    return {
+      value: (yuan / 10_000).toLocaleString('zh-CN', { maximumFractionDigits: 2 }),
+      unit: '万元',
+    };
+  }
+  return {
+    value: yuan.toLocaleString('zh-CN', { maximumFractionDigits: 0 }),
+    unit: '元',
+  };
+}
+
+export function formatRelative(timestamp: number, now = Date.now()): string {
+  const seconds = Math.max(0, Math.floor((now - timestamp) / 1000));
+  if (seconds < 5) return '刚刚';
+  if (seconds < 60) return `${seconds} 秒前`;
+  const minutes = Math.floor(seconds / 60);
+  if (minutes < 60) return `${minutes} 分钟前`;
+  const hours = Math.floor(minutes / 60);
+  if (hours < 24) return `${hours} 小时前`;
+  return new Date(timestamp).toLocaleString('zh-CN', { hour12: false });
+}
+
+export function formatRefreshTime(timestamp: number, now = Date.now()): string {
+  const exactTime = new Date(timestamp).toLocaleString('zh-CN', {
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit',
+    hour12: false,
+  });
+  return `${formatRelative(timestamp, now)} · ${exactTime.replace(/\//g, '-')}`;
+}
+
+export function deriveOverviewMetrics(data: HydrogenOverviewResponse) {
+  const { kpi, monthly, stations, top5 } = data;
+  const monthAvgKg = monthly.length > 0
+    ? monthly.reduce((sum, month) => sum + month.kg, 0) / monthly.length
+    : 0;
+  const bestMonth = monthly.reduce<typeof monthly[number] | null>(
+    (best, item) => (!best || item.kg > best.kg ? item : best),
+    null,
+  );
+  const latestMonth = monthly[monthly.length - 1];
+  const previousMonth = monthly[monthly.length - 2];
+
+  return {
+    monthAvgKg,
+    bestMonth,
+    latestMonth,
+    monthMomentum: latestMonth && previousMonth && previousMonth.kg > 0
+      ? ((latestMonth.kg - previousMonth.kg) / previousMonth.kg) * 100
+      : null,
+    top5Share: (top5.reduce((sum, item) => sum + item.kg, 0) / Math.max(1, kpi.yearKg)) * 100,
+    profitYield: kpi.yearRevenue > 0 ? (kpi.yearProfit / kpi.yearRevenue) * 100 : 0,
+    stationAvgKg: stations.length > 0 ? kpi.yearKg / stations.length : 0,
+    monthlyDual: monthly.map(month => ({
+      ...month,
+      monthLabel: `${month.month.slice(5).replace(/^0/, '')}月`,
+    })),
+  };
+}