import { useCallback, useState } from 'react';
import { Table, Button, Modal, Form, InputNumber, DatePicker, Input, message, Typography, Tooltip } from 'antd';
import { PlusOutlined, InfoCircleOutlined } from '@ant-design/icons';
import type { Dayjs } from 'dayjs';
import { healthDataApi } from '../../../api/health/healthData';
import type { VitalSigns } from '../../../api/health/healthData';
import { VitalSignsChart } from './VitalSignsChart';
import { usePaginatedData } from '../../../hooks/usePaginatedData';

const { Text } = Typography;

interface Props {
  patientId: string;
}

const columns = [
  {
    title: '记录日期',
    dataIndex: 'record_date',
    key: 'record_date',
    width: 110,
    fixed: 'left' as const,
  },
  {
    title: () => (
      <Tooltip title="晨间收缩压">
        <span>收缩压(晨)</span>
      </Tooltip>
    ),
    dataIndex: 'systolic_bp_morning',
    key: 'systolic_bp_morning',
    width: 110,
    render: (v?: number) => (v != null ? `${v} mmHg` : '-'),
  },
  {
    title: () => (
      <Tooltip title="晨间舒张压">
        <span>舒张压(晨)</span>
      </Tooltip>
    ),
    dataIndex: 'diastolic_bp_morning',
    key: 'diastolic_bp_morning',
    width: 110,
    render: (v?: number) => (v != null ? `${v} mmHg` : '-'),
  },
  {
    title: '心率',
    dataIndex: 'heart_rate',
    key: 'heart_rate',
    width: 80,
    render: (v?: number) => (v != null ? `${v} bpm` : '-'),
  },
  {
    title: '体重',
    dataIndex: 'weight',
    key: 'weight',
    width: 80,
    render: (v?: number) => (v != null ? `${v} kg` : '-'),
  },
  {
    title: '血糖',
    dataIndex: 'blood_sugar',
    key: 'blood_sugar',
    width: 90,
    render: (v?: number) => (v != null ? `${v} mmol/L` : '-'),
  },
];

export function VitalSignsTab({ patientId }: Props) {
  const [modalOpen, setModalOpen] = useState(false);
  const [form] = Form.useForm();
  const [submitting, setSubmitting] = useState(false);

  const fetcher = useCallback(
    async (page: number, pageSize: number) => {
      return healthDataApi.listVitalSigns(patientId, { page, page_size: pageSize });
    },
    [patientId],
  );

  const { data, total, page, loading, refresh } = usePaginatedData<VitalSigns>(fetcher, 10);

  const handleCreate = async (values: {
    record_date: Dayjs;
    systolic_bp_morning?: number;
    diastolic_bp_morning?: number;
    heart_rate?: number;
    weight?: number;
    blood_sugar?: number;
    water_intake_ml?: number;
    urine_output_ml?: number;
    notes?: string;
  }) => {
    setSubmitting(true);
    try {
      await healthDataApi.createVitalSigns(patientId, {
        record_date: values.record_date.format('YYYY-MM-DD'),
        systolic_bp_morning: values.systolic_bp_morning,
        diastolic_bp_morning: values.diastolic_bp_morning,
        heart_rate: values.heart_rate,
        weight: values.weight,
        blood_sugar: values.blood_sugar,
        water_intake_ml: values.water_intake_ml,
        urine_output_ml: values.urine_output_ml,
        notes: values.notes,
      });
      message.success('体征数据录入成功');
      setModalOpen(false);
      form.resetFields();
      refresh();
    } catch {
      message.error('录入失败');
    } finally {
      setSubmitting(false);
    }
  };

  // 最近一次数据摘要
  const latest = data.length > 0 ? data[0] : null;

  return (
    <div>
      {/* 趋势图 */}
      <div style={{ marginBottom: 16 }}>
        <VitalSignsChart patientId={patientId} />
      </div>

      {/* 最新记录摘要条 */}
      {latest && (
        <div style={{
          display: 'flex',
          gap: 16,
          marginBottom: 12,
          padding: '8px 12px',
          background: 'var(--ant-color-bg-container, #fafafa)',
          borderRadius: 8,
          border: '1px solid var(--ant-color-border-secondary, #f0f0f0)',
          flexWrap: 'wrap',
        }}>
          <Text type="secondary" style={{ fontSize: 12, lineHeight: '24px' }}>
            <InfoCircleOutlined style={{ marginRight: 4 }} />
            最新记录（{latest.record_date}）
          </Text>
          {latest.systolic_bp_morning != null && (
            <Text style={{ fontSize: 13 }}>收缩压 {latest.systolic_bp_morning} mmHg</Text>
          )}
          {latest.diastolic_bp_morning != null && (
            <Text style={{ fontSize: 13 }}>舒张压 {latest.diastolic_bp_morning} mmHg</Text>
          )}
          {latest.heart_rate != null && (
            <Text style={{ fontSize: 13 }}>心率 {latest.heart_rate} bpm</Text>
          )}
          {latest.weight != null && (
            <Text style={{ fontSize: 13 }}>体重 {latest.weight} kg</Text>
          )}
          {latest.blood_sugar != null && (
            <Text style={{ fontSize: 13 }}>血糖 {latest.blood_sugar} mmol/L</Text>
          )}
        </div>
      )}

      {/* 操作栏 + 表格 */}
      <div style={{ marginBottom: 8, display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
        <Text type="secondary" style={{ fontSize: 13 }}>
          历史记录（共 {total} 条）
        </Text>
        <Button
          icon={<PlusOutlined />}
          onClick={() => { form.resetFields(); setModalOpen(true); }}
          size="small"
        >
          录入体征
        </Button>
      </div>

      <Table
        columns={columns}
        dataSource={data}
        rowKey="id"
        loading={loading}
        size="small"
        pagination={{
          current: page,
          total,
          pageSize: 10,
          onChange: (p) => refresh(p),
          showTotal: (t) => `共 ${t} 条`,
          size: 'small',
          style: { margin: 0 },
        }}
        scroll={{ x: 600 }}
      />

      <Modal
        title="录入体征数据"
        open={modalOpen}
        onCancel={() => setModalOpen(false)}
        onOk={() => form.submit()}
        confirmLoading={submitting}
        destroyOnClose
        width={600}
      >
        <Form form={form} layout="vertical" onFinish={handleCreate}>
          <Form.Item name="record_date" label="记录日期" rules={[{ required: true, message: '请选择日期' }]}>
            <DatePicker style={{ width: '100%' }} />
          </Form.Item>
          <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: 16 }}>
            <Form.Item name="systolic_bp_morning" label="收缩压(晨) mmHg">
              <InputNumber min={50} max={300} style={{ width: '100%' }} />
            </Form.Item>
            <Form.Item name="diastolic_bp_morning" label="舒张压(晨) mmHg">
              <InputNumber min={30} max={200} style={{ width: '100%' }} />
            </Form.Item>
            <Form.Item name="heart_rate" label="心率 bpm">
              <InputNumber min={30} max={250} style={{ width: '100%' }} />
            </Form.Item>
            <Form.Item name="weight" label="体重 kg">
              <InputNumber min={1} max={500} step={0.1} style={{ width: '100%' }} />
            </Form.Item>
            <Form.Item name="blood_sugar" label="血糖 mmol/L">
              <InputNumber min={0} max={50} step={0.1} style={{ width: '100%' }} />
            </Form.Item>
            <Form.Item name="water_intake_ml" label="饮水量 ml">
              <InputNumber min={0} max={10000} style={{ width: '100%' }} />
            </Form.Item>
          </div>
          <Form.Item name="notes" label="备注">
            <Input.TextArea rows={2} />
          </Form.Item>
        </Form>
      </Modal>
    </div>
  );
}