zhixing-system/zhixing-web/src/features/selection/components/signal-detail-panel.tsx

import { Database, Search } from "lucide-react"

import { Badge } from "@/shared/ui/badge"
import { Card } from "@/shared/ui/card"

import type { SelectionSignal } from "../api/selection.types"
import {
  categoryToneClass,
  formatDetails,
  getCategoryLabel,
} from "./selection-presentation"

interface SignalDetailPanelProps {
  signal: SelectionSignal | undefined
}

export function SignalDetailPanel({ signal }: SignalDetailPanelProps) {
  if (!signal) {
    return (
      <Card
        aria-label="当前股票详情"
        className="hidden min-h-0 overflow-auto rounded-md border-border/80 bg-card p-3 md:flex md:flex-col md:justify-center"
      >
        <div className="space-y-2 text-center">
          <Search
            className="mx-auto size-5 text-muted-foreground"
            aria-hidden="true"
          />
          <p className="font-medium">暂无选中信号</p>
          <p className="text-xs leading-5 text-muted-foreground">
            从左侧列表选择一条信号查看详情。
          </p>
        </div>
      </Card>
    )
  }

  return (
    <aside
      aria-label="当前股票详情"
      className="hidden min-h-0 overflow-auto rounded-md border border-border/80 bg-card p-3 md:block"
    >
      <p className="text-[10px] font-bold tracking-[0.08em] text-muted-foreground uppercase">
        Selected signal
      </p>
      <div className="mt-2 flex items-start justify-between gap-3">
        <div className="min-w-0">
          <h2 className="truncate text-xl font-semibold tracking-tight">
            {signal.name}
          </h2>
          <p className="font-mono text-xs text-muted-foreground">
            {signal.ts_code}
          </p>
        </div>
        <Database
          className="mt-1 size-4 shrink-0 text-muted-foreground"
          aria-hidden="true"
        />
      </div>

      <p className="mt-4 text-3xl font-semibold tabular-nums tracking-tight">
        ¥ {signal.close.toFixed(2)}
      </p>

      <Badge
        className={`mt-3 ${categoryToneClass(signal.category)}`}
        variant="outline"
      >
        {getCategoryLabel(signal.category)}
      </Badge>

      <dl className="mt-4 divide-y divide-border/60 border-t border-border/60 text-xs">
        <div className="flex items-center justify-between gap-3 py-2.5">
          <dt className="text-muted-foreground">目标交易日</dt>
          <dd className="font-medium tabular-nums">
            {signal.target_trade_date}
          </dd>
        </div>
        <div className="flex items-center justify-between gap-3 py-2.5">
          <dt className="text-muted-foreground">策略</dt>
          <dd className="font-medium">知行 B1</dd>
        </div>
        <div className="space-y-1.5 py-2.5">
          <dt className="text-muted-foreground">关键依据</dt>
          <dd className="leading-5 text-foreground">
            {formatDetails(signal.details)}
          </dd>
        </div>
      </dl>
    </aside>
  )
}