import { Outlet, useLocation, useNavigate } from 'react-router-dom';
import { App, Dropdown, Form, Input, Modal, Space, theme } from 'antd';
import {
  DashboardOutlined,
  HomeOutlined,
  ControlOutlined,
  BellOutlined,
  VideoCameraOutlined,
  FileTextOutlined,
  SettingOutlined,
  LogoutOutlined,
  UserOutlined,
  ThunderboltOutlined,
  ApiOutlined,
  ControlOutlined as ControlOutlinedIcon,
  KeyOutlined,
} from '@ant-design/icons';
import { ProLayout } from '@ant-design/pro-components';
import { useState } from 'react';
import { authService } from '../services/auth';

const menuData = [
  { path: '/dashboard', name: '仪表盘', icon: <DashboardOutlined />, permission: 'dashboard:view' },
  { path: '/houses', name: '蚕房管理', icon: <HomeOutlined />, permission: 'room:read' },
  { path: '/devices', name: '设备管理', icon: <ControlOutlined />, permission: 'device:read' },
  { path: '/energy', name: '能耗管理', icon: <ThunderboltOutlined />, permission: 'energy:view' },
  { path: '/control', name: '设备控制', icon: <ApiOutlined />, permission: 'device:control' },
  { path: '/ir', name: '红外遥控', icon: <ControlOutlinedIcon />, permission: 'device:control' },
  { path: '/thresholds', name: '阈值配置', icon: <SettingOutlined />, permission: 'threshold:read' },
  { path: '/alerts', name: '告警中心', icon: <BellOutlined />, permission: 'alarm:read' },
  { path: '/videos', name: '视频监控', icon: <VideoCameraOutlined />, permission: 'video:read' },
  { path: '/logs', name: '控制日志', icon: <FileTextOutlined />, permission: 'log:read' },
];

// 角色中文名
const roleNames: Record<string, string> = {
  admin: '管理员',
  operator: '操作员',
  viewer: '查看者',
  farmer: '养殖员',
};

export const BasicLayout = () => {
  const location = useLocation();
  const navigate = useNavigate();
  const { message } = App.useApp();
  const {
    token: { colorBgContainer, borderRadiusLG },
  } = theme.useToken();
  const [pwdOpen, setPwdOpen] = useState(false);
  const [pwdForm] = Form.useForm<{ oldPassword: string; newPassword: string; confirm: string }>();
  const [pwdLoading, setPwdLoading] = useState(false);

  const handleChangePassword = async () => {
    const v = await pwdForm.validateFields();
    if (v.newPassword !== v.confirm) {
      message.error('两次输入的新密码不一致');
      return;
    }
    setPwdLoading(true);
    try {
      await authService.changePassword({ oldPassword: v.oldPassword, newPassword: v.newPassword });
      message.success('密码修改成功，请重新登录');
      setPwdOpen(false);
      pwdForm.resetFields();
      await authService.logout();
      navigate('/login');
    } catch (err: any) {
      const msg = err?.response?.data?.error || '密码修改失败';
      message.error(typeof msg === 'string' ? msg : '密码修改失败');
    } finally {
      setPwdLoading(false);
    }
  };

  return (
    <ProLayout
      title="蚕房环境监控"
      layout="mix"
      navTheme="light"
      contentStyle={{ margin: 0, padding: 0 }}
      menuItemRender={(item, dom) => (
        <div
          onClick={() => item.path && navigate(item.path)}
          style={{ cursor: 'pointer' }}
        >
          {dom}
        </div>
      )}
      menuDataRender={() => menuData.filter((m) => authService.hasPermission(m.permission))}
      location={{ pathname: location.pathname }}
      headerTitleRender={(logo, title) => (
        <a onClick={() => navigate('/dashboard')}>
          <Space>{logo}{title}</Space>
        </a>
      )}
      avatarProps={{
        icon: <UserOutlined />,
        size: 'small',
        title: (() => {
          const user = authService.getUser();
          return user ? `${user.username}（${roleNames[user.role ?? ''] ?? user.role}）` : 'admin';
        })(),
        render: (_, dom) => (
          <Dropdown
            menu={{
              items: [
                { key: 'changePassword', icon: <KeyOutlined />, label: '修改密码' },
                { type: 'divider' },
                { key: 'logout', icon: <LogoutOutlined />, label: '退出登录' },
              ],
              onClick: async ({ key }) => {
                if (key === 'logout') {
                  await authService.logout();
                  navigate('/login');
                } else if (key === 'changePassword') {
                  pwdForm.resetFields();
                  setPwdOpen(true);
                }
              },
            }}
          >
            {dom}
          </Dropdown>
        ),
      }}
    >
      <div
        style={{
          margin: 16,
          padding: 16,
          background: colorBgContainer,
          borderRadius: borderRadiusLG,
          minHeight: 280,
        }}
      >
        <Outlet />
      </div>
      <Modal
        title="修改密码"
        open={pwdOpen}
        onCancel={() => setPwdOpen(false)}
        onOk={handleChangePassword}
        confirmLoading={pwdLoading}
        okText="提交"
        cancelText="取消"
      >
        <Form form={pwdForm} layout="vertical">
          <Form.Item label="原密码" name="oldPassword" rules={[{ required: true, message: '请输入原密码' }]}>
            <Input.Password autoComplete="current-password" placeholder="请输入原密码" />
          </Form.Item>
          <Form.Item label="新密码" name="newPassword" rules={[{ required: true, message: '请输入新密码' }, { min: 6, message: '至少 6 位' }]}>
            <Input.Password autoComplete="new-password" placeholder="至少 6 位" />
          </Form.Item>
          <Form.Item label="确认新密码" name="confirm" rules={[{ required: true, message: '请再次输入新密码' }]}>
            <Input.Password autoComplete="new-password" placeholder="再次输入新密码" />
          </Form.Item>
        </Form>
      </Modal>
    </ProLayout>
  );
};