import { useState, useEffect } from 'react';
import { Row, Col, Select, } from 'antd'
import { ChartTimeOnline } from '../components/charts/ChartTimeOnline'
import { ChartTimeOnlineFooter } from '../components/ChartTimeOnlineFooter'
import { CustomColumn } from '../components/CustomColumn'
import { UserOfWells } from '../components/UserOfWells'
import { ModeDisplay } from '../components/ModeDisplay'
import { Display } from '../components/Display'
import moment from 'moment'
import { Table } from 'antd';
import { MessageService } from '../services/api'
import Loader from '../components/Loader'

import { useParams } from 'react-router-dom'
import { Subscribe } from '../services/signalr'
import { DataService } from '../services/api'
import '../styles/message_telemetry.css'

const { Option } = Select

const dash = [7, 3]

const blockHeightGroup = {
  label: "Высота блока",
  yDisplay: false,
  linePv: { label: "blockHeight", units: 'м', xAccessorName: "blockHeight", yAccessorName: "date", color: '#333' },
}

const blockSpeedGroup = {
  label: "Скорость блока",
  yDisplay: false,
  linePv: { label: "blockSpeed", units: 'м/ч', xAccessorName: "blockSpeed", yAccessorName: "date", color: '#0a0' },
  lineSp: { label: "blockSpeedSp", units: 'м/ч', xAccessorName: "blockSpeedSp", yAccessorName: "date", color: '#0a0' },
}

const pressureGroup = {
  label: "Давление",
  yDisplay: false,
  linePv: { label: "pressure", units: 'атм', xAccessorName: "pressure", yAccessorName: "date", color: '#c00' },
  lineSp: { label: "pressureSp", units: 'атм', xAccessorName: "pressureSp", yAccessorName: "date", color: '#c00' },
  lineIdle: { label: "pressureIdle", units: 'атм', xAccessorName: "pressureIdle", yAccessorName: "date", color: '#c00' },
  linesOther: [
    { label: "мекс. перепад", units: 'атм', xAccessorName: "pressureDeltaLimitMax", yAccessorName: "date", color: '#c00' },
  ],
}

const axialLoadGroup = {
  label: "Осевая нагрузка",
  yDisplay: false,
  linePv: { label: "axialLoad", units: 'т', xAccessorName: "axialLoad", yAccessorName: "date", color: '#00a' },
  lineSp: { label: "axialLoadSp", units: 'т', xAccessorName: "axialLoadSp", yAccessorName: "date", color: '#00a', dash },
  linesOther: [
    { label: "axialLoadLimitMax", units: 'т', xAccessorName: "axialLoadLimitMax", yAccessorName: "date", color: '#00a' },
  ],
}

const hookWeightGroup = {
  label: "Ввес на крюке",
  yDisplay: false,
  linePv: { label: "hookWeight", units: 'т', xAccessorName: "hookWeight", yAccessorName: "date", color: '#0aa' },
  lineIdle: { label: "hookWeightIdle", units: 'т', xAccessorName: "hookWeightIdle", yAccessorName: "date", color: '#0aa', dash },
  linesOther: [
    { label: "hookWeightLimitMin", units: 'т', xAccessorName: "hookWeightLimitMin", yAccessorName: "date", color: '#0aa' },
    { label: "hookWeightLimitMax", units: 'т', xAccessorName: "hookWeightLimitMax", yAccessorName: "date", color: '#0aa' },
  ],
}

const rotorTorqueGroup = {
  label: "Момент на роторе",
  yDisplay: false,
  linePv: { label: "rotorTorque", units: 'кН·м', xAccessorName: "rotorTorque", yAccessorName: "date", color: '#a0a' },
  lineSp: { label: "rotorTorqueSp", units: 'кН·м', xAccessorName: "rotorTorqueSp", yAccessorName: "date", color: '#a0a' },
  lineIdle: { label: "rotorTorqueIdle", units: 'кН·м', xAccessorName: "rotorTorqueIdle", yAccessorName: "date", color: '#a0a' },
  linesOther: [
    { label: "rotorTorqueLimitMax", units: 'кН·м', xAccessorName: "rotorTorqueLimitMax", yAccessorName: "date", color: '#a0a' },
  ],
}

const paramsGroups = [blockHeightGroup, blockSpeedGroup, pressureGroup, axialLoadGroup, hookWeightGroup, rotorTorqueGroup]

export const Column = ({ lineGroup, data, interval }) => {
  let lines = [lineGroup.linePv]

  if (lineGroup.lineSp)
    lines.push(lineGroup.lineSp)

  let dataLast = null
  let pv = null
  if (data?.length > 0) {
    dataLast = data[data.length - 1];
    if (lineGroup.linePv)
      pv = dataLast[lineGroup.linePv?.xAccessorName]
  }

  return (
    <>
      <Display
        label={lineGroup.label}
        value={pv}
        suffix={lineGroup.linePv?.units} />
      <ChartTimeOnline
        data={data}
        yDisplay={lineGroup.yDisplay}
        lines={lines}
        interval={interval} />
      <ChartTimeOnlineFooter
        data={dataLast}
        {...lineGroup} />
    </>)
}

// Словарь категорий для строк таблицы
const categoryDictionary = {
  1: { title: 'Авария' },
  2: { title: 'Предупреждение' },
  3: { title: 'Информация' },
}

// Конфигурация таблицы
const columns = [
  {
    title: 'Дата',
    dataIndex: 'date',
    render: (item) => moment(item).format('DD MMM YYYY, HH:MM:ss'),
    sorter: (a, b) => new Date(b.date) - new Date(a.date),
    sortDirections: ['descend', 'ascend'],
  },
  {
    title: 'Категория',
    dataIndex: 'categoryId',
    render: (_, item) => categoryDictionary[item.categoryId].title,
    style: (_, item) => categoryDictionary[item.categoryId].style,
    sorter: (a, b) => a.categoryId - b.categoryId,
    sortDirections: ['descend', 'ascend'],
  },
  {
    title: 'Сообщение',
    dataIndex: 'message',
    onFilter: (value, record) => record.name.indexOf(value) === 0,
  },
  {
    title: 'Пользователь',
    dataIndex: 'user',
  },
];

export default function TelemetryView(props) {
  let { id } = useParams()
  const [saubData, setSaubData] = useState([])
  const [chartInterval, setChartInterval] = useState(600)
  const [messages, setMessages] = useState([])

  const [loader] = useState(false)  // , setLoader

  const handleReceiveDataSaub = (data) => {
    if (data) {
      setSaubData(data)
    }
  }

  const handleReceiveMessages = (messages) => {
    if (messages) {
      setMessages(messages.items.splice(0, 3))
    }
  }

  useEffect(() => {
    DataService.getData(id)
      .then(handleReceiveDataSaub)
      .catch(error => console.error(error))
    
    MessageService.getMessage(id)
      .then(handleReceiveMessages)
      .catch(error => console.error(error))

    let unSubscribeDataSaubHub = Subscribe('ReceiveDataSaub', `well_${id}`, handleReceiveDataSaub)
    let unSubscribeMessagesHub = Subscribe('ReceiveMessages', `well_${id}`, handleReceiveMessages)
    return () => {
      unSubscribeDataSaubHub()
      unSubscribeMessagesHub()
    }
  }, [id]);

  const colSpan = 24 / (paramsGroups.length)

  return (<div>
    {/* <div>Well id: {id}; points count: {saubData.length}</div> */}
    <Row style={{ marginBottom: '1rem' }}>
      <Col>
        <ModeDisplay data={saubData} />
      </Col>
      <Col>
        Интервал:&nbsp;
        <Select defaultValue="600" onChange={setChartInterval}>
          <Option value='600'>10 минут</Option>
          <Option value='1800'>30 минут</Option>
          <Option value='3600'>1 час</Option>
          <Option value='21600'>6 час</Option>
          <Option value='86400'>1 день</Option>
        </Select>
      </Col>
      <span style={{ flexGrow: 1 }}></span>
      <Col>
        <UserOfWells data={saubData}/>
      </Col>
    </Row>
    <Row>
      <Col span={2} >
        <CustomColumn data={saubData} />
      </Col>
      <Col span={24 - 2}>
        <Row>
          {paramsGroups.map(group =>
            <Col span={colSpan} className='border_small' key={group.label}>
              <Column data={saubData} lineGroup={group} interval={chartInterval} />
            </Col>)}
        </Row>
      </Col>
    </Row>
    <Table
       showHeader={false}
       columns={columns}
       dataSource={messages}
       rowClassName={(record) => `event_message_${record.categoryId}`}
       size={'small'}
       pagination={false}
       rowKey={(record) => record.id}
     />
    {loader && <Loader />}
  </div>)
}