/**
 * AI 员工组织页面
 *
 * 展示玄谋智脑的 10 个 AI 员工角色，包括经营参谋长（首席）和 9 个专业员工。
 * 今日交付数从对应 API 动态获取。
 */
import { useQuery } from '@tanstack/react-query'
import { BrainCircuit } from 'lucide-react'
import api from '@/lib/api'
import { AgentCard } from '@/components/AgentCard'
import { chiefOfStaff, agents, type AgentConfig } from '@/data/agents'
import { cn } from '@/lib/utils'

export function AgentsPage() {
  // 批量获取各 AI 员工的今日交付数
  const queries = agents.map((agent, idx) =>
    useQuery({
      queryKey: ['agent-delivery', agent.code],
      queryFn: () => api.get(agent.deliveryApi || ''),
      enabled: !!agent.deliveryApi,
      staleTime: 5 * 60 * 1000,
    }),
  )

  // 经营参谋长的交付数（利润机会数量）
  const chiefQuery = useQuery({
    queryKey: ['overview/profit-opportunity', 'chief'],
    queryFn: () => api.get('/overview/profit-opportunity', { params: { month: '2026-04' } }),
    staleTime: 5 * 60 * 1000,
  })

  /** 从 API 响应中提取交付数 */
  function extractDelivery(queryResult: any, field: string): number | null {
    if (!queryResult) return null
    const data = (queryResult as any)?.data
    if (!data) return null
    // 支持 a.b.c 路径
    const parts = field.split('.')
    let val: any = data
    for (const p of parts) {
      val = val?.[p]
      if (val === undefined) return null
    }
    const num = typeof val === 'number' ? val : parseInt(String(val), 10)
    return isNaN(num) ? null : num
  }

  const chiefDeliveries = chiefQuery.data
    ? extractDelivery(chiefQuery.data, 'items.length') ?? (chiefQuery.data as any)?.data?.items?.length ?? 0
    : null

  return (
    <div className="space-y-4">
      {/* 页面标题 */}
      <div>
        <h1 className="flex items-center gap-2 text-xl font-bold">
          <BrainCircuit className="h-5 w-5 text-blue-600" />
          AI 员工组织
        </h1>
        <p className="mt-1 text-sm text-muted-foreground">
          每个 AI 员工都有岗位目标、门店范围、权限边界、SOP、交付物与绩效责任
        </p>
      </div>

      {/* 经营参谋长（首席卡片） */}
      <div className="rounded-lg border-2 border-blue-200 bg-gradient-to-r from-blue-50 to-white p-4">
        <div className="flex items-center gap-4">
          <div className="flex h-14 w-14 items-center justify-center rounded-xl bg-blue-600">
            <BrainCircuit className="h-7 w-7 text-white" />
          </div>
          <div className="flex-1">
            <small className="text-[10px] font-medium text-blue-600">AI CHIEF OF STAFF</small>
            <h2 className="text-lg font-bold">{chiefOfStaff.name}</h2>
            <p className="text-sm text-muted-foreground">{chiefOfStaff.roleTarget}</p>
          </div>
          <div className="text-right">
            <p className="text-xs text-muted-foreground">今日生成决策</p>
            <b className="text-2xl font-bold text-blue-600">{chiefDeliveries ?? '…'}</b>
            <p className="text-[10px] text-muted-foreground">项</p>
          </div>
        </div>
      </div>

      {/* AI 员工网格 */}
      <div className="grid grid-cols-1 gap-3 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4">
        {agents.map((agent, idx) => (
          <AgentCard
            key={agent.code}
            agent={agent}
            deliveries={
              queries[idx]?.data
                ? extractDelivery(queries[idx].data, agent.deliveryField || '') ?? 0
                : null
            }
          />
        ))}
      </div>

      {/* 底部说明 */}
      <div className="rounded-lg border bg-muted/20 p-3 text-xs text-muted-foreground">
        <p>
          <b className="text-foreground">自治等级说明：</b>
          <span className={cn('ml-1 rounded px-1 py-0.5 text-[10px]', 'bg-red-50 text-red-600')}>L1</span> 人工审批 ·
          <span className={cn('ml-1 rounded px-1 py-0.5 text-[10px]', 'bg-amber-50 text-amber-600')}>L2</span> 受控执行 ·
          <span className={cn('ml-1 rounded px-1 py-0.5 text-[10px]', 'bg-green-50 text-green-600')}>L3</span> 全自动
        </p>
        <p className="mt-1">今日交付数从各 AI 员工对应的业务 API 实时统计，阶段二将支持配置管理。</p>
      </div>
    </div>
  )
}