myems / myems-web

import React, { Fragment, useEffect, useState } from 'react';

import PropTypes from 'prop-types';

import {

  Breadcrumb,

  BreadcrumbItem,

  Button,

  ButtonGroup,

  Row,

  Col,

  Card,

  CardBody,

  CardFooter,

  Form,

  FormGroup,

  Input,

  Label,

  CustomInput,

  Table,

  Spinner,

} from 'reactstrap';

import Loader from '../../common/Loader';

import createMarkup from '../../../helpers/createMarkup';

import Datetime from 'react-datetime';

import moment from 'moment';

import Cascader from 'rc-cascader';

import { isIterableArray } from '../../../helpers/utils';

import logoInvoice from '../../../assets/img/logos/myems.png';

import { getCookieValue, createCookie } from '../../../helpers/utils';

import withRedirect from '../../../hoc/withRedirect';

import { withTranslation } from 'react-i18next';

import { toast } from 'react-toastify';

import ButtonIcon from '../../common/ButtonIcon';

import { APIBaseURL } from '../../../config';

const formatCurrency = (number, currency) =>

  `${currency}${number.toFixed(2).replace(/(\d)(?=(\d\d\d)+(?!\d))/g, '$1,')}`;

const ProductTr = ({ name, description, startdate, enddate, subtotalinput, unit, subtotalcost }) => {

  return (

    <tr>

      <td className="align-middle">

        <h6 className="mb-0 text-nowrap">{name}</h6>

        <p className="mb-0">{description}</p>

      </td>

      <td className="align-middle text-center">{startdate}</td>

      <td className="align-middle text-center">{enddate}</td>

      <td className="align-middle text-center">{subtotalinput.toFixed(3).replace(/(\d)(?=(\d\d\d)+(?!\d))/g, '$1,')}</td>

      <td className="align-middle text-right">{unit}</td>

      <td className="align-middle text-right">{(subtotalcost).toFixed(2).replace(/(\d)(?=(\d\d\d)+(?!\d))/g, '$1,')}</td>

    </tr>

  );

};

ProductTr.propTypes = {

  name: PropTypes.string.isRequired,

  description: PropTypes.string,

  startdate: PropTypes.string.isRequired,

  enddate: PropTypes.string.isRequired,

  subtotalinput: PropTypes.number.isRequired,

  unit: PropTypes.string.isRequired,

  subtotalcost: PropTypes.number.isRequired,

};

const InvoiceHeader = ({ institution, logo, address, t }) => (

  <Row className="align-items-center text-center mb-3">

    <Col sm={6} className="text-sm-left">

      <img src={logo} alt="invoice" width={150} />

    </Col>

    <Col className="text-sm-right mt-3 mt-sm-0">

      <h2 className="mb-3">{t('Payment Notice')}</h2>

      <h5>{institution}</h5>

      {address && <p className="fs--1 mb-0" dangerouslySetInnerHTML={createMarkup(address)} />}

    </Col>

    <Col xs={12}>

      <hr />

    </Col>

  </Row>

);

InvoiceHeader.propTypes = {

  institution: PropTypes.string.isRequired,

  logo: PropTypes.string.isRequired,

  address: PropTypes.string

};

const Invoice = ({ setRedirect, setRedirectUrl, t }) => {

  let current_moment = moment();

  useEffect(() => {

    let is_logged_in = getCookieValue('is_logged_in');

    let user_name = getCookieValue('user_name');

    let user_display_name = getCookieValue('user_display_name');

    let user_uuid = getCookieValue('user_uuid');

    let token = getCookieValue('token');

    if (is_logged_in === null || !is_logged_in) {

      setRedirectUrl(`/authentication/basic/login`);

      setRedirect(true);

    } else {

      //update expires time of cookies

      createCookie('is_logged_in', true, 1000 * 60 * 60 * 8);

      createCookie('user_name', user_name, 1000 * 60 * 60 * 8);

      createCookie('user_display_name', user_display_name, 1000 * 60 * 60 * 8);

      createCookie('user_uuid', user_uuid, 1000 * 60 * 60 * 8);

      createCookie('token', token, 1000 * 60 * 60 * 8);

    }

  });

  //State

  // Query Parameters

  const [selectedSpaceName, setSelectedSpaceName] = useState(undefined);

  const [selectedSpaceID, setSelectedSpaceID] = useState(undefined);

  const [tenantList, setTenantList] = useState([]);

  const [selectedTenant, setSelectedTenant] = useState(undefined);

  const [reportingPeriodBeginsDatetime, setReportingPeriodBeginsDatetime] = useState(current_moment.clone().subtract(1, 'months').startOf('month'));

  const [reportingPeriodEndsDatetime, setReportingPeriodEndsDatetime] = useState(current_moment.clone().subtract(1, 'months').endOf('month'));

  const [cascaderOptions, setCascaderOptions] = useState(undefined);

  // buttons

  const [submitButtonDisabled, setSubmitButtonDisabled] = useState(true);

  const [spinnerHidden, setSpinnerHidden] = useState(true);

  const [exportButtonHidden, setExportButtonHidden] = useState(true);

  //Results

  const [invoice, setInvoice] = useState(undefined);

  const [subtotal, setSubtotal] = useState(0);

  const [taxRate, setTaxRate] = useState(0.00);

  const [tax, setTax] = useState(0);

  const [total, setTotal] = useState(0);

  const [excelBytesBase64, setExcelBytesBase64] = useState(undefined);

  useEffect(() => {

    let isResponseOK = false;

    fetch(APIBaseURL + '/spaces/tree', {

      method: 'GET',

      headers: {

        "Content-type": "application/json",

        "User-UUID": getCookieValue('user_uuid'),

        "Token": getCookieValue('token')

      },

      body: null,

    }).then(response => {

      console.log(response);

      if (response.ok) {

        isResponseOK = true;

      }

      return response.json();

    }).then(json => {

      console.log(json);

      if (isResponseOK) {

        // rename keys 

        json = JSON.parse(JSON.stringify([json]).split('"id":').join('"value":').split('"name":').join('"label":'));

        setCascaderOptions(json);

        setSelectedSpaceName([json[0]].map(o => o.label));

        setSelectedSpaceID([json[0]].map(o => o.value));

        // get Tenants by root Space ID

        let isResponseOK = false;

        fetch(APIBaseURL + '/spaces/' + [json[0]].map(o => o.value) + '/tenants', {

          method: 'GET',

          headers: {

            "Content-type": "application/json",

            "User-UUID": getCookieValue('user_uuid'),

            "Token": getCookieValue('token')

          },

          body: null,

        }).then(response => {

          if (response.ok) {

            isResponseOK = true;

          }

          return response.json();

        }).then(json => {

          if (isResponseOK) {

            json = JSON.parse(JSON.stringify([json]).split('"id":').join('"value":').split('"name":').join('"label":'));

            console.log(json);

            setTenantList(json[0]);

            if (json[0].length > 0) {

              setSelectedTenant(json[0][0].value);

              // enable submit button

              setSubmitButtonDisabled(false);

            } else {

              setSelectedTenant(undefined);

              // disable submit button

              setSubmitButtonDisabled(true);

            }

          } else {

            toast.error(json.description)

          }

        }).catch(err => {

          console.log(err);

        });

        // end of get Tenants by root Space ID

      } else {

        toast.error(json.description);

      }

    }).catch(err => {

      console.log(err);

    });

  }, []);

  const labelClasses = 'ls text-uppercase text-600 font-weight-semi-bold mb-0';

  let onSpaceCascaderChange = (value, selectedOptions) => {

    setSelectedSpaceName(selectedOptions.map(o => o.label).join('/'));

    setSelectedSpaceID(value[value.length - 1]);

    let isResponseOK = false;

    fetch(APIBaseURL + '/spaces/' + value[value.length - 1] + '/tenants', {

      method: 'GET',

      headers: {

        "Content-type": "application/json",

        "User-UUID": getCookieValue('user_uuid'),

        "Token": getCookieValue('token')

      },

      body: null,

    }).then(response => {

      if (response.ok) {

        isResponseOK = true;

      }

      return response.json();

    }).then(json => {

      if (isResponseOK) {

        json = JSON.parse(JSON.stringify([json]).split('"id":').join('"value":').split('"name":').join('"label":'));

        console.log(json)

        setTenantList(json[0]);

        if (json[0].length > 0) {

          setSelectedTenant(json[0][0].value);

          // enable submit button

          setSubmitButtonDisabled(false);

        } else {

          setSelectedTenant(undefined);

          // disable submit button

          setSubmitButtonDisabled(true);

        }

      } else {

        toast.error(json.description)

      }

    }).catch(err => {

      console.log(err);

    });

  }

  let onReportingPeriodBeginsDatetimeChange = (newDateTime) => {

    setReportingPeriodBeginsDatetime(newDateTime);

  }

  let onReportingPeriodEndsDatetimeChange = (newDateTime) => {

    setReportingPeriodEndsDatetime(newDateTime);

  }

  var getValidReportingPeriodBeginsDatetimes = function (currentDate) {

    return currentDate.isBefore(moment(reportingPeriodEndsDatetime, 'MM/DD/YYYY, hh:mm:ss a'));

  }

  var getValidReportingPeriodEndsDatetimes = function (currentDate) {

    return currentDate.isAfter(moment(reportingPeriodBeginsDatetime, 'MM/DD/YYYY, hh:mm:ss a'));

  }

  // Handler

  const handleSubmit = e => {

    e.preventDefault();

    console.log('handleSubmit');

    console.log(selectedSpaceID);

    console.log(selectedTenant);

    console.log(reportingPeriodBeginsDatetime.format('YYYY-MM-DDTHH:mm:ss'));

    console.log(reportingPeriodEndsDatetime.format('YYYY-MM-DDTHH:mm:ss'));

    // disable submit button

    setSubmitButtonDisabled(true);

    // show spinner

    setSpinnerHidden(false);

    // hide export buttion

    setExportButtonHidden(true)

    let isResponseOK = false;

    fetch(APIBaseURL + '/reports/tenantbill?' +

      'tenantid=' + selectedTenant +

      '&reportingperiodstartdatetime=' + reportingPeriodBeginsDatetime.format('YYYY-MM-DDTHH:mm:ss') +

      '&reportingperiodenddatetime=' + reportingPeriodEndsDatetime.format('YYYY-MM-DDTHH:mm:ss'), {

      method: 'GET',

      headers: {

        "Content-type": "application/json",

        "User-UUID": getCookieValue('user_uuid'),

        "Token": getCookieValue('token')

      },

      body: null,

    }).then(response => {

      if (response.ok) {

        isResponseOK = true;

      }

      // enable submit button

      setSubmitButtonDisabled(false);

      // hide spinner

      setSpinnerHidden(true);

      // show export buttion

      setExportButtonHidden(false)

      return response.json();

    }).then(json => {

      if (isResponseOK) {

        console.log(json);

        let productArray = []

        json['reporting_period']['names'].forEach((currentValue, index) => {

          let productItem = {}

          productItem['name'] = json['reporting_period']['names'][index];

          productItem['unit'] = json['reporting_period']['units'][index];

          productItem['startdate'] = reportingPeriodBeginsDatetime.format('YYYY-MM-DD');

          productItem['enddate'] = reportingPeriodEndsDatetime.format('YYYY-MM-DD');

          productItem['subtotalinput'] = json['reporting_period']['subtotals_input'][index];

          productItem['subtotalcost'] = json['reporting_period']['subtotals_cost'][index];

          productArray.push(productItem);

        });

        setInvoice({

          institution: json['tenant']['name'],

          logo: logoInvoice,

          address: json['tenant']['rooms'] + '<br />' + json['tenant']['floors'] + '<br />' + json['tenant']['buildings'],

          tax: 0.01,

          currency: json['reporting_period']['currency_unit'],

          user: {

            name: json['tenant']['name'],

            address: json['tenant']['rooms'] + '<br />' + json['tenant']['floors'] + '<br />' + json['tenant']['buildings'],

            email: json['tenant']['email'],

            cell: json['tenant']['phone']

          },

          summary: {

            invoice_no: current_moment.format('YYYYMMDDHHmmss'),

            lease_number: json['tenant']['lease_number'],

            invoice_date: current_moment.format('YYYY-MM-DD'),

            payment_due: current_moment.clone().add(7, 'days').format('YYYY-MM-DD'),

            amount_due: json['reporting_period']['total_cost']

          },

          products: productArray

        });

        setSubtotal(json['reporting_period']['total_cost']);

        setTax(json['reporting_period']['total_cost'] * taxRate);

        setTotal(json['reporting_period']['total_cost'] * (1.00 + taxRate));

        setExcelBytesBase64(json['excel_bytes_base64']);

      } else {

        toast.error(json.description)

      }

    }).catch(err => {

      console.log(err);

    });

  };

  const handleExport = e => {

    e.preventDefault();

    const mimeType='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'

    const fileName = 'tenantbill.xlsx'

    var fileUrl = "data:" + mimeType + ";base64," + excelBytesBase64;

    fetch(fileUrl)

        .then(response => response.blob())

        .then(blob => {

            var link = window.document.createElement("a");

            link.href = window.URL.createObjectURL(blob, { type: mimeType });

            link.download = fileName;

            document.body.appendChild(link);

            link.click();

            document.body.removeChild(link);

        });

  };

  return (

    <Fragment>

      <div>

        <Breadcrumb>

          <BreadcrumbItem>{t('Tenant Data')}</BreadcrumbItem><BreadcrumbItem active>{t('Tenant Bill')}</BreadcrumbItem>

        </Breadcrumb>

      </div>

      <Card className="bg-light mb-3">

        <CardBody className="p-3">

          <Form onSubmit={handleSubmit}>

            <Row form>

              <Col xs="auto">

                <FormGroup className="form-group">

                  <Label className={labelClasses} for="space">

                    {t('Space')}

                  </Label>

                  <br />

                  <Cascader options={cascaderOptions}

                    onChange={onSpaceCascaderChange}

                    changeOnSelect

                    expandTrigger="hover">

                    <Input value={selectedSpaceName || ''} readOnly />

                  </Cascader>

                </FormGroup>

              </Col>

              <Col xs="auto">

                <FormGroup>

                  <Label className={labelClasses} for="tenantSelect">

                    {t('Tenant')}

                  </Label>

                  <CustomInput type="select" id="tenantSelect" name="tenantSelect" onChange={({ target }) => setSelectedTenant(target.value)}

                  >

                    {tenantList.map((tenant, index) => (

                      <option value={tenant.value} key={tenant.value}>

                        {tenant.label}

                      </option>

                    ))}

                  </CustomInput>

                </FormGroup>

              </Col>

              <Col xs="auto">

                <FormGroup className="form-group">

                  <Label className={labelClasses} for="reportingPeriodBeginsDatetime">

                    {t('Reporting Period Begins')}

                  </Label>

                  <Datetime id='reportingPeriodBeginsDatetime'

                    value={reportingPeriodBeginsDatetime}

                    onChange={onReportingPeriodBeginsDatetimeChange}

                    isValidDate={getValidReportingPeriodBeginsDatetimes}

                    closeOnSelect={true} />

                </FormGroup>

              </Col>

              <Col xs="auto">

                <FormGroup className="form-group">

                  <Label className={labelClasses} for="reportingPeriodEndsDatetime">

                    {t('Reporting Period Ends')}

                  </Label>

                  <Datetime id='reportingPeriodEndsDatetime'

                    value={reportingPeriodEndsDatetime}

                    onChange={onReportingPeriodEndsDatetimeChange}

                    isValidDate={getValidReportingPeriodEndsDatetimes}

                    closeOnSelect={true} />

                </FormGroup>

              </Col>

              <Col xs="auto">

                <FormGroup>

                  <br></br>

                  <ButtonGroup id="submit">

                    <Button color="success" disabled={submitButtonDisabled} >{t('Submit')}</Button>

                  </ButtonGroup>

                </FormGroup>

              </Col>

              <Col xs="auto">

                <FormGroup>

                  <br></br>

                  <Spinner color="primary" hidden={spinnerHidden}  />

                </FormGroup>

              </Col>

              <Col xs="auto">

                  <br></br>

                  <ButtonIcon icon="external-link-alt" transform="shrink-3 down-2" color="falcon-default" 

                  hidden={exportButtonHidden}

                  onClick={handleExport} >

                    {t('Export')}

                  </ButtonIcon>

              </Col>

            </Row>

          </Form>

        </CardBody>

      </Card>

      <Card className="mb-3">

        {invoice !== undefined &&

        <CardBody>

          <Row className="justify-content-between align-items-center">

            <Col md>

              <h5 className="mb-2 mb-md-0">{t('Lease Contract Number')}: {invoice.summary.lease_number}</h5>

            </Col>

            <Col xs="auto">

              <ButtonIcon color="falcon-default" size="sm" icon="arrow-down" className="mr-2 mb-2 mb-sm-0">

                {t('Download')} (.pdf)

              </ButtonIcon>

              <ButtonIcon color="falcon-default" size="sm" icon="print" className="mr-2 mb-2 mb-sm-0">

                {t('Print')}

              </ButtonIcon>

            </Col>

          </Row>

        </CardBody>

        }

      </Card>

      <Card>

        {invoice !== undefined &&

        <CardBody>

          <InvoiceHeader institution={invoice.institution} logo={invoice.logo} address={invoice.address} t={t} />

          <Row className="justify-content-between align-items-center">

            <Col>

              <h6 className="text-500">{t('Bill To')}</h6>

              <h5>{invoice.user.name}</h5>

              <p className="fs--1" dangerouslySetInnerHTML={createMarkup(invoice.user.address)} />

              <p className="fs--1">

                <a href={`mailto:${invoice.user.email}`}>{invoice.user.email}</a>

                <br />

                <a href={`tel:${invoice.user.cell.split('-').join('')}`}>{invoice.user.cell}</a>

              </p>

            </Col>

            <Col sm="auto" className="ml-auto">

              <div className="table-responsive">

                <Table size="sm" borderless className="fs--1">

                  <tbody>

                    <tr>

                      <th className="text-sm-right">{t('Bill Number')}:</th>

                      <td>{invoice.summary.invoice_no}</td>

                    </tr>

                    <tr>

                      <th className="text-sm-right">{t('Lease Contract Number')}:</th>

                      <td>{invoice.summary.lease_number}</td>

                    </tr>

                    <tr>

                      <th className="text-sm-right">{t('Bill Date')}:</th>

                      <td>{invoice.summary.invoice_date}</td>

                    </tr>

                    <tr>

                      <th className="text-sm-right">{t('Payment Due Date')}:</th>

                      <td>{invoice.summary.payment_due}</td>

                    </tr>

                    <tr className="alert-success font-weight-bold">

                      <th className="text-sm-right">{t('Amount Payable')}:</th>

                      <td>{formatCurrency(invoice.summary.amount_due, invoice.currency)}</td>

                    </tr>

                  </tbody>

                </Table>

              </div>

            </Col>

          </Row>

          <div className="table-responsive mt-4 fs--1">

            <Table striped className="border-bottom">

              <thead>

                <tr className="bg-primary text-white">

                  <th className="border-0">{t('Energy Category')}</th>

                  <th className="border-0 text-center">{t('Billing Period Start')}</th>

                  <th className="border-0 text-center">{t('Billing Period End')}</th>

                  <th className="border-0 text-center">{t('Quantity')}</th>

                  <th className="border-0 text-right">{t('Unit')}</th>

                  <th className="border-0 text-right">{t('Amount')}</th>

                </tr>

              </thead>

              <tbody>

                {isIterableArray(invoice.products) &&

                  invoice.products.map((product, index) => <ProductTr {...product} key={index} />)}

              </tbody>

            </Table>

          </div>

          <Row noGutters className="justify-content-end">

            <Col xs="auto">

              <Table size="sm" borderless className="fs--1 text-right">

                <tbody>

                  <tr>

                    <th className="text-900">{t('Subtotal')}:</th>

                    <td className="font-weight-semi-bold">{formatCurrency(subtotal, invoice.currency)}</td>

                  </tr>

                  <tr>

                    <th className="text-900">{t('VAT Output Tax')}:</th>

                    <td className="font-weight-semi-bold">{formatCurrency(tax, invoice.currency)}</td>

                  </tr>

                  <tr className="border-top">

                    <th className="text-900">{t('Total Amount Payable')}:</th>

                    <td className="font-weight-semi-bold">{formatCurrency(total, invoice.currency)}</td>

                  </tr>

                </tbody>

              </Table>

            </Col>

          </Row>

        </CardBody>

        }

        {//todo: get the bank account infomation from API

        /* <CardFooter className="bg-light">

          <p className="fs--1 mb-0">

            <strong>{t('Please make sure to pay on or before the payment due date above')}, {t('Send money to the following account')}:</strong><br />

            {t('Acount Name')}: MyEMS商场有限公司<br />

            {t('Bank Name')}: 中国银行股份有限公司北京王府井支行<br />

            {t('Bank Address')}: 中国北京市东城区王府井大街<br />

            {t('RMB Account')}: 1188228822882288<br />

          </p>

        </CardFooter> */}

      </Card>

    </Fragment>

  );

};

export default withTranslation()(withRedirect(Invoice));