import { useEffect, useState } from 'react';
import { Link } from 'react-router-dom';
import {
  Alert, Button, Card, Col, Descriptions, Form, Input, InputNumber, Row, Select, Space,
  Tabs, Tag, Typography, message,
} from 'antd';
import { request } from '../lib/api';

type XfxConfig = {
  provider: string;
  activeProvider: string;
  apiUrl: string;
  appId: string | null;
  mchId: string | null;
  mchIdMasked: string | null;
  hasApiKey: boolean;
  signType: string;
  ready: boolean;
  source?: string;
  hint?: string;
};

type ApiResult = {
  ok: boolean;
  elapsedMs: number;
  data?: unknown;
  error?: string;
  code?: string;
  provider?: string;
  raw?: unknown;
};

const CREATE_DEFAULTS = {
  outNumber: `TEST-${Date.now()}`,
  fromName: '杜康仓库',
  fromMobile: '13800000000',
  fromAddress: '河南省郑州市金水区',
  fromAddressDetail: '杜康酒业仓',
  fromLng: 113.665,
  fromLat: 34.757,
  toName: '测试收货人',
  toMobile: '13800000001',
  toAddress: '河南省郑州市二七区',
  toAddressDetail: '测试路 1 号',
  toLng: 113.640,
  toLat: 34.720,
  goodsName: '杜康酒',
  goodsNum: 2,
  weight: 2,
  payMode: '1',
  remark: 'Admin 联调测试',
};

function ResultPanel({ result }: { result: ApiResult | null }) {
  if (!result) return <Typography.Text type="secondary">点击「调用接口」后在此显示响应</Typography.Text>;
  return (
    <div>
      <Space style={{ marginBottom: 8 }}>
        <Tag color={result.ok ? 'green' : 'red'}>{result.ok ? '成功' : '失败'}</Tag>
        <span>{result.elapsedMs} ms</span>
        {result.code && <span>code: {result.code}</span>}
      </Space>
      <pre style={{
        margin: 0, padding: 12, background: '#f5f5f5', borderRadius: 4,
        maxHeight: 360, overflow: 'auto', fontSize: 12,
      }}>
        {JSON.stringify(result, null, 2)}
      </pre>
    </div>
  );
}

export default function XiaofeixiaTestPage() {
  const [config, setConfig] = useState<XfxConfig | null>(null);
  const [loading, setLoading] = useState(false);
  const [result, setResult] = useState<ApiResult | null>(null);

  const [freightForm] = Form.useForm();
  const [coverageForm] = Form.useForm();
  const [createForm] = Form.useForm();
  const [queryForm] = Form.useForm();
  const [batchForm] = Form.useForm();
  const [trackForm] = Form.useForm();
  const [cancelForm] = Form.useForm();

  useEffect(() => {
    void request<XfxConfig>('/admin/courier/xiaofeixia/config').then(setConfig);
    createForm.setFieldsValue(CREATE_DEFAULTS);
    freightForm.setFieldsValue({ weight: 2 });
    coverageForm.setFieldsValue({ toAddress: '河南省郑州市二七区测试路1号' });
  }, [createForm, freightForm, coverageForm]);

  async function invoke(path: string, body: unknown) {
    setLoading(true);
    setResult(null);
    try {
      const res = await request<ApiResult>(path, {
        method: 'POST',
        body: JSON.stringify(body),
      });
      setResult(res);
      if (res.ok) message.success('调用成功');
      else message.warning(res.error || '调用失败');
    } catch (e) {
      const err = e instanceof Error ? e.message : String(e);
      message.error(err);
      setResult({ ok: false, elapsedMs: 0, error: err });
    } finally {
      setLoading(false);
    }
  }

  function parseList(text?: string) {
    return (text ?? '').split(/[,，\s]+/).map((s) => s.trim()).filter(Boolean);
  }

  return (
    <div>
      <Typography.Title level={4}>小飞侠接口联调</Typography.Title>
      <Typography.Paragraph type="secondary">
        通过 HQ 后台直接调用后端封装的小飞侠 API（cmd 100101~100301）。凭证请在
        <Link to="/fulfillment-providers">仓配管理</Link>
        中配置；联调会优先使用仓配管理里启用的小飞侠承运商。
      </Typography.Paragraph>

      {config && (
        <Card size="small" style={{ marginBottom: 16 }}>
          <Descriptions column={3} size="small">
            <Descriptions.Item label="Provider">{config.activeProvider}</Descriptions.Item>
            <Descriptions.Item label="API">{config.apiUrl}</Descriptions.Item>
            <Descriptions.Item label="商户号">{config.mchIdMasked || '—'}</Descriptions.Item>
            <Descriptions.Item label="签名">{config.signType}</Descriptions.Item>
            <Descriptions.Item label="密钥">
              {config.hasApiKey ? <Tag color="green">已配置</Tag> : <Tag color="red">未配置</Tag>}
            </Descriptions.Item>
            <Descriptions.Item label="状态">
              {config.ready ? <Tag color="green">可调用</Tag> : <Tag color="orange">配置不完整</Tag>}
            </Descriptions.Item>
            <Descriptions.Item label="来源" span={3}>
              {config.source === 'fulfillment_provider' ? '仓配管理' : '环境变量(兼容)'}
              {config.hint ? ` · ${config.hint}` : ''}
            </Descriptions.Item>
          </Descriptions>
          {!config.ready && (
            <Alert
              type="warning"
              showIcon
              style={{ marginTop: 12 }}
              message="请先在仓配管理中注册小飞侠并填写 API 地址、商户号与 API Key"
            />
          )}
        </Card>
      )}

      <Row gutter={16}>
        <Col xs={24} lg={14}>
          <Tabs
            items={[
              {
                key: 'freight',
                label: '运费预估 (100105)',
                children: (
                  <Form form={freightForm} layout="vertical" onFinish={(v) => void invoke('/admin/courier/xiaofeixia/estimate-freight', v)}>
                    <Form.Item name="weight" label="重量 (kg)" rules={[{ required: true }]}>
                      <InputNumber min={0.01} step={0.5} style={{ width: '100%' }} />
                    </Form.Item>
                    <Button type="primary" htmlType="submit" loading={loading}>调用接口</Button>
                  </Form>
                ),
              },
              {
                key: 'coverage',
                label: '配送范围 (100301)',
                children: (
                  <Form form={coverageForm} layout="vertical" onFinish={(v) => void invoke('/admin/courier/xiaofeixia/check-coverage', v)}>
                    <Form.Item name="toAddress" label="收件地址" rules={[{ required: true }]}>
                      <Input.TextArea rows={2} placeholder="完整收件地址" />
                    </Form.Item>
                    <Button type="primary" htmlType="submit" loading={loading}>调用接口</Button>
                  </Form>
                ),
              },
              {
                key: 'create',
                label: '创建订单 (100101)',
                children: (
                  <Form form={createForm} layout="vertical" onFinish={(v) => void invoke('/admin/courier/xiaofeixia/create-shipment', v)}>
                    <Form.Item name="outNumber" label="商家单号 outNumber" rules={[{ required: true }]}>
                      <Input />
                    </Form.Item>
                    <Row gutter={12}>
                      <Col span={12}>
                        <Typography.Text strong>寄件人</Typography.Text>
                        <Form.Item name="fromName" label="姓名" rules={[{ required: true }]}><Input /></Form.Item>
                        <Form.Item name="fromMobile" label="手机" rules={[{ required: true }]}><Input /></Form.Item>
                        <Form.Item name="fromAddress" label="地址" rules={[{ required: true }]}><Input /></Form.Item>
                        <Form.Item name="fromAddressDetail" label="详细地址" rules={[{ required: true }]}><Input /></Form.Item>
                        <Space>
                          <Form.Item name="fromLng" label="经度"><InputNumber style={{ width: 120 }} /></Form.Item>
                          <Form.Item name="fromLat" label="纬度"><InputNumber style={{ width: 120 }} /></Form.Item>
                        </Space>
                      </Col>
                      <Col span={12}>
                        <Typography.Text strong>收件人</Typography.Text>
                        <Form.Item name="toName" label="姓名" rules={[{ required: true }]}><Input /></Form.Item>
                        <Form.Item name="toMobile" label="手机" rules={[{ required: true }]}><Input /></Form.Item>
                        <Form.Item name="toAddress" label="地址" rules={[{ required: true }]}><Input /></Form.Item>
                        <Form.Item name="toAddressDetail" label="详细地址" rules={[{ required: true }]}><Input /></Form.Item>
                        <Space>
                          <Form.Item name="toLng" label="经度"><InputNumber style={{ width: 120 }} /></Form.Item>
                          <Form.Item name="toLat" label="纬度"><InputNumber style={{ width: 120 }} /></Form.Item>
                        </Space>
                      </Col>
                    </Row>
                    <Row gutter={12}>
                      <Col span={8}><Form.Item name="goodsName" label="货品"><Input /></Form.Item></Col>
                      <Col span={8}><Form.Item name="goodsNum" label="件数"><InputNumber min={1} style={{ width: '100%' }} /></Form.Item></Col>
                      <Col span={8}><Form.Item name="weight" label="重量 kg"><InputNumber min={0.01} style={{ width: '100%' }} /></Form.Item></Col>
                    </Row>
                    <Form.Item name="payMode" label="付费方式" rules={[{ required: true }]}>
                      <Select options={[
                        { value: '1', label: '寄付' },
                        { value: '2', label: '到付' },
                      ]} />
                    </Form.Item>
                    <Form.Item name="remark" label="备注"><Input /></Form.Item>
                    <Space>
                      <Button type="primary" htmlType="submit" loading={loading}>调用接口</Button>
                      <Button onClick={() => createForm.setFieldsValue({ ...CREATE_DEFAULTS, outNumber: `TEST-${Date.now()}` })}>
                        重置示例
                      </Button>
                    </Space>
                  </Form>
                ),
              },
              {
                key: 'query',
                label: '查询订单 (100104)',
                children: (
                  <Form form={queryForm} layout="vertical" onFinish={(v) => void invoke('/admin/courier/xiaofeixia/get-shipment', v)}>
                    <Form.Item name="trackingNumber" label="运单号 number"><Input placeholder="小飞侠运单号" /></Form.Item>
                    <Form.Item name="outNumber" label="商家单号 outNumber"><Input /></Form.Item>
                    <Button type="primary" htmlType="submit" loading={loading}>调用接口</Button>
                  </Form>
                ),
              },
              {
                key: 'batch',
                label: '批量查询 (100106)',
                children: (
                  <Form form={batchForm} layout="vertical" onFinish={(v) => void invoke('/admin/courier/xiaofeixia/batch-get-shipments', {
                    trackingNumbers: parseList(v.trackingNumbersText),
                    outNumbers: parseList(v.outNumbersText),
                  })}>
                    <Form.Item name="trackingNumbersText" label="运单号（逗号分隔）">
                      <Input.TextArea rows={2} placeholder="NO001,NO002" />
                    </Form.Item>
                    <Form.Item name="outNumbersText" label="商家单号（逗号分隔）">
                      <Input.TextArea rows={2} />
                    </Form.Item>
                    <Button type="primary" htmlType="submit" loading={loading}>调用接口</Button>
                  </Form>
                ),
              },
              {
                key: 'track',
                label: '路由查询 (100102)',
                children: (
                  <Form form={trackForm} layout="vertical" onFinish={(v) => void invoke('/admin/courier/xiaofeixia/get-track', v)}>
                    <Form.Item name="trackingNumber" label="运单号"><Input /></Form.Item>
                    <Form.Item name="outNumber" label="商家单号"><Input /></Form.Item>
                    <Button type="primary" htmlType="submit" loading={loading}>调用接口</Button>
                  </Form>
                ),
              },
              {
                key: 'cancel',
                label: '取消订单 (100103)',
                children: (
                  <Form form={cancelForm} layout="vertical" onFinish={(v) => void invoke('/admin/courier/xiaofeixia/cancel-shipment', v)}>
                    <Form.Item name="trackingNumber" label="运单号"><Input /></Form.Item>
                    <Form.Item name="outNumber" label="商家单号"><Input /></Form.Item>
                    <Button type="primary" danger htmlType="submit" loading={loading}>调用接口</Button>
                  </Form>
                ),
              },
            ]}
          />
        </Col>
        <Col xs={24} lg={10}>
          <Card title="响应结果" size="small">
            <ResultPanel result={result} />
          </Card>
        </Col>
      </Row>
    </div>
  );
}