GCTC-NTGC / TalentCloud

/* eslint camelcase: "off", @typescript-eslint/camelcase: "off" */

import React, { useState, useEffect } from "react";

import { defineMessages, useIntl } from "react-intl";

import { FastField, Formik, Form, useFormikContext } from "formik";

import Swal from "sweetalert2";

import SelectInput from "../../Form/SelectInput";

import {

  Application,

  Department,

  ApplicationReview,

} from "../../../models/types";

import { Portal, ValuesOf } from "../../../models/app";

import * as routes from "../../../helpers/routes";

import {

  ResponseScreeningBuckets,

  ResponseReviewStatuses,

} from "../../../models/localizedConstants";

import {

  ResponseScreeningBuckets as ResponseBuckets,

  ResponseReviewStatusId,

  ReviewStatusId,

} from "../../../models/lookupConstants";

import {

  localizeFieldNonNull,

  getLocale,

  Locales,

} from "../../../helpers/localize";

const displayMessages = defineMessages({

  viewApplication: {

    id: "responseScreening.bucket.viewApplicationLabel",

    defaultMessage: "View Application",

    description: "Label for 'View Application' link.",

  },

  viewProfile: {

    id: "responseScreening.bucket.viewProfileLabel",

    defaultMessage: "View Profile",

    description: "Label for 'View Profile' link.",

  },

  notes: {

    id: "responseScreening.bucket.notesLabel",

    defaultMessage: "Add/Edit Notes",

    description: "Label for 'Add/Edit Notes' button.",

  },

  save: {

    id: "responseScreening.bucket.saveLabel",

    defaultMessage: "Save Changes",

    description: "Label for 'Save Changes' button when changes are unsaved.",

  },

  saving: {

    id: "responseScreening.bucket.savingLabel",

    defaultMessage: "Saving...",

    description:

      "Label for 'Save Changes' button when form submission is in progress.",

  },

  saved: {

    id: "responseScreening.bucket.savedLabel",

    defaultMessage: "Saved",

    description:

      "Label for 'Save Changes' button when form submission succeeded.",

  },

  cancel: {

    id: "responseScreening.bucket.cancelLabel",

    defaultMessage: "Cancel",

    description: "Label for 'Cancel' button.",

  },

  selectStatusDefault: {

    id: "responseScreening.bucket.selectStatusDefault",

    defaultMessage: "Select a status...",

    description: "Default option text for the Status dropdown.",

  },

  selectStatusLabel: {

    id: "responseScreening.bucket.selectStatusLabel",

    defaultMessage: "Review Status",

    description: "Label for the Status dropdown.",

  },

  selectDepartmentDefault: {

    id: "responseScreening.bucket.selectDepartmentDefault",

    defaultMessage: "Select a department...",

    description: "Default option text for the Department dropdown.",

  },

  selectDepartmentLabel: {

    id: "responseScreening.bucket.selectDepartmentLabel",

    defaultMessage: "Department Allocation",

    description: "Label for the Department dropdown.",

  },

  clickView: {

    id: "responseScreening.bucket.accessibleViewLabel",

    defaultMessage: "Click to view...",

    description: "Accessible text for screen reading accordion elements.",

  },

  noApplicants: {

    id: "responseScreening.bucket.noApplicants",

    defaultMessage: "There are currently no applicants in this bucket.",

    description: "Fallback label for a bucket with no applicants.",

  },

  setAllocated: {

    id: "responseScreening.bucket.confirmSetAllocated",

    defaultMessage:

      "Setting this candidate to allocated will mark them as currently unavailable for all other streams. Are you sure you want to continue?",

    description:

      "Confirmation text when attempting to set a candidate as Allocated.",

  },

  setUnavailable: {

    id: "responseScreening.bucket.confirmSetUnavailable",

    defaultMessage:

      "Setting this candidate to not available will mark them as currently unavailable for all other streams. Are you sure you want to continue?",

    description:

      "Confirmation text when attempting to set a candidate as Not Available.",

  },

  confirmAction: {

    id: "responseScreening.bucket.confirmAction",

    defaultMessage: "Please confirm this action",

    description:

      "Title for the confirmation dialog when making changes with side effects.",

  },

  yes: {

    id: "responseScreening.bucket.yes",

    defaultMessage: "Yes",

    description: "Confirmation button text for dialog",

  },

});

enum IconStatus {

  ASSESSMENT = "question",

  READY = "check",

  RECEIVED = "exclamation",

}

interface StatusIconProps {

  status: IconStatus;

  color: string;

  small: boolean;

}

const StatusIcon: React.FC<StatusIconProps> = ({

  status,

  color,

  small,

}): React.ReactElement => {

  return (

    <i

      className={`fas fa-${status}-circle`}

      data-c-color={color}

      data-c-font-size={small ? "small" : ""}

    />

  );

};

// Kinda weird "empty" component that hooks into Formik's

// context, listens to the 'dirty' prop, and registers

// a beforeunload listener to fire if a user attempts to

// leave with unsaved work.

// https://github.com/jaredpalmer/formik/issues/1657#issuecomment-509388871

const AlertWhenUnsaved = (): React.ReactElement => {

  const { dirty } = useFormikContext();

  const handleUnload = (event: BeforeUnloadEvent): void => {

    event.preventDefault();

    event.returnValue = "Are you sure you want to leave with unsaved changes?";

  };

  useEffect(() => {

    if (dirty) {

      window.addEventListener("beforeunload", handleUnload);

    }

    return (): void => {

      window.removeEventListener("beforeunload", handleUnload);

    };

  }, [dirty]);

  return <></>;

};

interface FormValues {

  reviewStatus: ReviewStatusId | ResponseReviewStatusId | null;

  department: number | null;

  notes: string;

}

interface ApplicationRowProps {

  application: Application;

  departmentEditable: boolean;

  departments: Department[];

  handleUpdateReview: (review: ApplicationReview) => Promise<ApplicationReview>;

  portal: Portal;

}

const ApplicationRow: React.FC<ApplicationRowProps> = ({

  application,

  departmentEditable,

  departments,

  handleUpdateReview,

  portal,

}): React.ReactElement => {

  const intl = useIntl();

  const locale = getLocale(intl.locale);

  const applicantUrlMap: { [key in typeof portal]: string } = {

    hr: routes.hrApplicantShow(intl.locale, application.id),

    manager: routes.managerApplicantShow(intl.locale, application.id),

  };

  const applicationUrlMap: { [key in typeof portal]: string } = {

    hr: routes.hrApplicationShow(intl.locale, application.id),

    manager: routes.managerApplicationShow(intl.locale, application.id),

  };

  const applicantUrl = applicantUrlMap[portal];

  const applicationUrl = applicationUrlMap[portal];

  const reviewOptions = Object.values(ResponseReviewStatuses).map((status): {

    value: number;

    label: string;

  } => ({

    value: status.id,

    label: intl.formatMessage(status.name),

  }));

  const departmentOptions = departments.map((department) => ({

    value: department.id,

    label: localizeFieldNonNull(locale, department, "name"),

  }));

  let rowIcon: React.ReactElement;

  switch (application.application_review?.review_status_id) {

    case 4:

    case 5:

    case 7:

      rowIcon = (

        <StatusIcon status={IconStatus.READY} color="go" small={false} />

      );

      break;

    case 6:

      rowIcon = (

        <StatusIcon status={IconStatus.ASSESSMENT} color="slow" small={false} />

      );

      break;

    default:

      rowIcon = (

        <StatusIcon status={IconStatus.RECEIVED} color="c1" small={false} />

      );

  }

  const emptyReview: ApplicationReview = {

    id: 0,

    job_application_id: application.id,

    review_status_id: null,

    department_id: null,

    notes: null,

    created_at: new Date(),

    updated_at: new Date(),

    department: null,

    review_status: null,

  };

  const initialValues: FormValues = {

    reviewStatus: application.application_review?.review_status_id || null,

    department: application.application_review?.department_id || null,

    notes: application.application_review?.notes || "",

  };

  const updateApplicationReview = (

    oldReview: ApplicationReview,

    values: FormValues,

  ): ApplicationReview => {

    const applicationReview: ApplicationReview = {

      ...oldReview,

      review_status_id: values.reviewStatus

        ? Number(values.reviewStatus)

        : null,

      department_id: values.department ? Number(values.department) : null,

      notes: values.notes || null,

    };

    return applicationReview;

  };

  const handleNotesButtonClick = (

    notes: string,

    updateField: (

      field: string,

      value: any,

      shouldValidate?: boolean | undefined,

    ) => void,

  ): void => {

    Swal.fire({

      title: intl.formatMessage(displayMessages.notes),

      icon: "info",

      input: "textarea",

      showCancelButton: true,

      confirmButtonColor: "#0A6CBC",

      cancelButtonColor: "#F94D4D",

      cancelButtonText: intl.formatMessage(displayMessages.cancel),

      confirmButtonText: intl.formatMessage(displayMessages.save),

      inputValue: notes,

    }).then((result) => {

      if (result && result.value !== undefined) {

        const value = result.value ? result.value : "";

        updateField("notes", value);

      }

    });

  };

  return (

    <div className="applicant">

      <Formik

        initialValues={initialValues}

        onSubmit={(values, { setSubmitting, resetForm }): void => {

          const review = updateApplicationReview(

            application.application_review || emptyReview,

            values,

          );

          const performUpdate = (): void => {

            handleUpdateReview(review)

              .then(() => {

                setSubmitting(false);

                resetForm();

              })

              .catch(() => {

                setSubmitting(false);

              });

          };

          // Changing an application's status to Allocated

          if (

            Number(values.reviewStatus) ===

              Number(ResponseReviewStatusId.Allocated) &&

            values.reviewStatus !== initialValues.reviewStatus

          ) {

            Swal.fire({

              title: intl.formatMessage(displayMessages.confirmAction),

              text: intl.formatMessage(displayMessages.setAllocated),

              icon: "warning",

              showCancelButton: true,

              confirmButtonColor: "#0A6CBC",

              cancelButtonColor: "#F94D4D",

              cancelButtonText: intl.formatMessage(displayMessages.cancel),

              confirmButtonText: intl.formatMessage(displayMessages.yes),

            }).then((result) => {

              if (result.value === undefined) {

                setSubmitting(false);

              } else {

                performUpdate();

              }

            });

            // Changing an Application's status to Unavailable

          } else if (

            Number(values.reviewStatus) ===

              Number(ResponseReviewStatusId.NotAvailable) &&

            values.reviewStatus !== initialValues.reviewStatus

          ) {

            Swal.fire({

              title: intl.formatMessage(displayMessages.confirmAction),

              text: intl.formatMessage(displayMessages.setUnavailable),

              icon: "warning",

              showCancelButton: true,

              confirmButtonColor: "#0A6CBC",

              cancelButtonColor: "#F94D4D",

              cancelButtonText: intl.formatMessage(displayMessages.cancel),

              confirmButtonText: intl.formatMessage(displayMessages.yes),

            }).then((result) => {

              if (result.value === undefined) {

                setSubmitting(false);

              } else {

                performUpdate();

              }

            });

            // Everything else

          } else {

            performUpdate();

          }

        }}

      >

        {({

          values,

          dirty,

          isSubmitting,

          setFieldValue,

        }): React.ReactElement => (

          <Form data-c-grid="gutter(all, 1) middle">

            <AlertWhenUnsaved />

            <div data-c-grid-item="base(1of4)">

              <div>

                {rowIcon}

                <div>

                  <p data-c-font-weight="bold" data-c-font-size="h4">

                    {application.applicant.user.full_name}

                  </p>

                  <p data-c-margin="bottom(.5)">

                    <a

                      href={`mailto:${application.applicant.user.email}`}

                      title=""

                    >

                      {application.applicant.user.email}

                    </a>

                  </p>

                  <p data-c-font-size="small">

                    <a href={applicationUrl} title="" data-c-margin="right(.5)">

                      {intl.formatMessage(displayMessages.viewApplication)}

                    </a>

                    <a href={applicantUrl} title="">

                      {intl.formatMessage(displayMessages.viewProfile)}

                    </a>

                  </p>

                </div>

              </div>

            </div>

            <FastField

              id={`review-status-select-${application.applicant_id}`}

              name="reviewStatus"

              label={intl.formatMessage(displayMessages.selectStatusLabel)}

              grid="base(1of4)"

              component={SelectInput}

              nullSelection={intl.formatMessage(

                displayMessages.selectStatusDefault,

              )}

              options={reviewOptions}

            />

            {departmentEditable && (

              <FastField

                id={`department-allocation-select-${application.applicant_id}`}

                name="department"

                label={intl.formatMessage(

                  displayMessages.selectDepartmentLabel,

                )}

                grid="base(1of4)"

                component={SelectInput}

                nullSelection={intl.formatMessage(

                  displayMessages.selectDepartmentDefault,

                )}

                options={departmentOptions}

              />

            )}

            <div

              data-c-grid-item={`base(${departmentEditable ? 1 : 2}of4)`}

              data-c-align="base(right)"

            >

              <button

                data-c-button="outline(c1)"

                type="button"

                data-c-radius="rounded"

                onClick={(): void =>

                  handleNotesButtonClick(values.notes, setFieldValue)

                }

              >

                <i className="fas fa-plus" />

                <span>{intl.formatMessage(displayMessages.notes)}</span>

              </button>

              <button

                data-c-button="solid(c1)"

                type="submit"

                data-c-radius="rounded"

                disabled={isSubmitting}

              >

                <span>

                  {dirty

                    ? intl.formatMessage(displayMessages.save)

                    : intl.formatMessage(displayMessages.saved)}

                </span>

              </button>

            </div>

          </Form>

        )}

      </Formik>

    </div>

  );

};

const applicationSort = (locale: Locales) => {

  return (first: Application, second: Application): number => {

    // Applications without a review status should appear first

    if (

      first.application_review === undefined &&

      second.application_review !== undefined

    ) {

      return -1;

    }

    if (

      first.application_review !== undefined &&

      second.application_review === undefined

    ) {

      return 1;

    }

    // Applications with a review status should be grouped by status

    if (first.application_review && second.application_review) {

      if (

        first.application_review.review_status_id &&

        second.application_review.review_status_id

      ) {

        if (

          first.application_review.review_status_id <

          second.application_review.review_status_id

        ) {

          return -1;

        }

        if (

          first.application_review.review_status_id >

          second.application_review.review_status_id

        ) {

          return 1;

        }

      }

      // Applications without a Department should appear first

      if (

        first.application_review.department === null &&

        second.application_review.department !== null

      ) {

        return -1;

      }

      if (

        first.application_review.department !== null &&

        second.application_review.department === null

      ) {

        return 1;

      }

      // Applications with a Department set should be grouped by Department

      if (

        first.application_review.department &&

        second.application_review.department

      ) {

        const firstDepartmentName = localizeFieldNonNull(

          locale,

          first.application_review.department,

          "name",

        ).toUpperCase();

        const secondDepartmentName = localizeFieldNonNull(

          locale,

          second.application_review.department,

          "name",

        ).toUpperCase();

        if (firstDepartmentName < secondDepartmentName) {

          return -1;

        }

        if (firstDepartmentName > secondDepartmentName) {

          return 1;

        }

        return 0;

      }

    }

    return 0;

  };

};

interface ApplicantBucketProps {

  applications: Application[];

  bucket: string;

  departments: Department[];

  handleUpdateReview: (review: ApplicationReview) => Promise<ApplicationReview>;

  portal: Portal;

}

const ApplicantBucket: React.FC<ApplicantBucketProps> = ({

  applications,

  bucket,

  departments,

  handleUpdateReview,

  portal,

}): React.ReactElement => {

  const intl = useIntl();

  const locale = getLocale(intl.locale);

  const [isExpanded, setIsExpanded] = useState(false);

  const {

    title: bucketTitle,

    description: bucketDescription,

  }: ValuesOf<typeof ResponseScreeningBuckets> = ResponseScreeningBuckets[

    bucket

  ];

  const handleExpandClick = (): void => {

    setIsExpanded(!isExpanded);

  };

  return (

    <div

      data-c-accordion=""

      data-c-background="white(100)"

      data-c-margin="top(.5)"

      data-c-card=""

      className={isExpanded ? "active" : ""}

    >

      <button

        aria-expanded={isExpanded}

        data-c-accordion-trigger

        tabIndex={0}

        type="button"

        onClick={handleExpandClick}

      >

        <div data-c-padding="top(normal) right bottom(normal) left(normal)">

          <p data-c-font-weight="bold" data-c-font-size="h3">

            {intl.formatMessage(bucketTitle)} ({applications.length})

          </p>

          <p data-c-margin="top(quarter)" data-c-colour="gray">

            {bucket === ResponseBuckets.Consideration

              ? intl.formatMessage(

                  ResponseScreeningBuckets.consideration.description,

                  {

                    iconAssessment: (

                      <StatusIcon

                        status={IconStatus.ASSESSMENT}

                        color="slow"

                        small

                      />

                    ),

                    iconReady: (

                      <StatusIcon status={IconStatus.READY} color="go" small />

                    ),

                    iconReceived: (

                      <StatusIcon

                        status={IconStatus.RECEIVED}

                        color="c1"

                        small

                      />

                    ),

                  },

                )

              : intl.formatMessage(bucketDescription)}

          </p>

        </div>

        <span data-c-visibility="invisible">

          {intl.formatMessage(displayMessages.clickView)}

        </span>

        {isExpanded ? (

          <i

            aria-hidden="true"

            className="fas fa-minus"

            data-c-accordion-remove=""

            data-c-colour="black"

          />

        ) : (

          <i

            aria-hidden="true"

            className="fas fa-plus"

            data-c-accordion-add=""

            data-c-colour="black"

          />

        )}

      </button>

      <div

        aria-hidden={!isExpanded}

        data-c-accordion-content=""

        data-c-padding="right(normal) left(normal)"

      >

        <div data-c-padding="bottom(normal)">

          {isExpanded &&

            applications.length > 0 &&

            applications

              .sort(applicationSort(locale))

              .map((application) => (

                <ApplicationRow

                  key={application.id}

                  application={application}

                  departmentEditable={bucket === ResponseBuckets.Allocated}

                  departments={departments}

                  handleUpdateReview={handleUpdateReview}

                  portal={portal}

                />

              ))}

          {isExpanded && applications.length === 0 && (

            <div data-c-padding="bottom(normal)">

              <div

                data-c-border="all(thin, solid, gray)"

                data-c-background="gray(10)"

                data-c-padding="all(1)"

                data-c-radius="rounded"

                data-c-align="base(center)"

              >

                <p data-c-color="gray">

                  {intl.formatMessage(displayMessages.noApplicants)}

                </p>

              </div>

            </div>

          )}

        </div>

      </div>

    </div>

  );

};

export default ApplicantBucket;