import { Button, Input, Nav, Space, Tag, Toast } from '@douyinfe/semi-ui';
import {
  IconActivity,
  IconBarChartHStroked,
  IconHistogram,
  IconHome,
  IconMapPin,
  IconSearch,
  IconServer,
  IconSetting
} from '@douyinfe/semi-icons';
import type { ReactNode } from 'react';
import { useState } from 'react';

export type PageKey = 'dashboard' | 'vehicles' | 'realtime' | 'detail' | 'history' | 'mileage' | 'quality';

const navItems = [
  { itemKey: 'dashboard', text: '总览工作台', icon: <IconHome /> },
  { itemKey: 'vehicles', text: '车辆服务', icon: <IconServer /> },
  { itemKey: 'realtime', text: '实时车辆', icon: <IconActivity /> },
  { itemKey: 'detail', text: '车辆详情', icon: <IconSetting /> },
  { itemKey: 'history', text: '历史数据', icon: <IconMapPin /> },
  { itemKey: 'mileage', text: '里程统计', icon: <IconBarChartHStroked /> },
  { itemKey: 'quality', text: '质量治理', icon: <IconHistogram /> }
];

function linkHealthClassName(count: number | null) {
  if (count == null) {
    return '';
  }
  return count > 0 ? 'vp-link-health-button-warning' : 'vp-link-health-button-ok';
}

export function AppShell({
  activePage,
  linkIssueCount,
  onChange,
  onVehicleSearch,
  children
}: {
  activePage: PageKey;
  linkIssueCount: number | null;
  onChange: (page: PageKey) => void;
  onVehicleSearch: (keyword: string) => void | Promise<void>;
  children: ReactNode;
}) {
  const [keyword, setKeyword] = useState('');
  const [searching, setSearching] = useState(false);

  const search = () => {
    const value = keyword.trim();
    if (!value) {
      Toast.warning('请输入 VIN / 车牌 / 手机号');
      return;
    }
    setSearching(true);
    Promise.resolve(onVehicleSearch(value)).finally(() => setSearching(false));
  };

  return (
    <div className="vp-app">
      <div className="vp-shell">
        <aside className="vp-sidebar">
          <div className="vp-brand">
            <span className="vp-brand-mark" />
            <span>车辆服务中台</span>
          </div>
          <Nav
            selectedKeys={[activePage]}
            items={navItems}
            onSelect={({ itemKey }) => onChange(itemKey as PageKey)}
            style={{ maxWidth: '100%' }}
          />
        </aside>
        <main className="vp-main">
          <header className="vp-topbar">
            <Space spacing={12}>
              <Input
                prefix={<IconSearch />}
                placeholder="搜索 VIN / 车牌 / 手机号"
                value={keyword}
                onChange={setKeyword}
                onEnterPress={search}
                style={{ width: 320 }}
              />
              <Button theme="solid" type="primary" loading={searching} onClick={search}>查询车辆</Button>
            </Space>
            <Space spacing={12}>
              <Tag color="blue">生产环境</Tag>
              <Tag color="grey">多源接入 / 一个车辆服务</Tag>
              <Button size="small" className={linkHealthClassName(linkIssueCount)} onClick={() => onChange('quality')}>
                {linkIssueCount == null ? '链路监控' : linkIssueCount > 0 ? `链路 ${linkIssueCount} 项关注` : '链路正常'}
              </Button>
            </Space>
          </header>
          {children}
        </main>
      </div>
    </div>
  );
}