GCTC-NTGC / TalentCloud

import React from "react";

import ReactDOM from "react-dom";

// Internationalizations

import { injectIntl, defineMessages, WrappedComponentProps } from "react-intl";

import camelCase from "lodash/camelCase";

import Swal from "sweetalert2";

import {

  Job,

  Application,

  ReviewStatus,

  ApplicationReview,

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

import ReviewApplications from "./ReviewApplications";

import { find } from "../../helpers/queries";

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

import { classificationString } from "../../models/jobUtil";

import { axios } from "../../api/base";

import RootContainer from "../RootContainer";

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

import { ReviewStatusId } from "../../models/lookupConstants";

interface ReviewApplicationsProps {

  job: Job;

  initApplications: Application[];

  reviewStatuses: ReviewStatus[];

  portal: Portal;

}

interface ReviewApplicationsState {

  applications: Application[];

  savingStatuses: { applicationId: number; isSaving: boolean }[];

}

interface ReviewSubmitForm {

  review_status_id?: number | null;

  notes?: string | null;

}

const localizations = defineMessages({

  oops: {

    id: "review.applications.alert.oops",

    defaultMessage: "Save",

    description: "Dynamic Save button label",

  },

  somethingWrong: {

    id: "review.applications.reviewSaveFailed",

    defaultMessage:

      "Something went wrong while saving a review. Try again later.",

    description: "Dynamic Save button label",

  },

});

class ReviewApplicationsRoot extends React.Component<

  ReviewApplicationsProps & WrappedComponentProps,

  ReviewApplicationsState

> {

  public constructor(props: ReviewApplicationsProps & WrappedComponentProps) {

    super(props);

    this.state = {

      applications: props.initApplications,

      savingStatuses: props.initApplications.map(application => ({

        applicationId: application.id,

        isSaving: false,

      })),

    };

    this.handleStatusChange = this.handleStatusChange.bind(this);

    this.handleBulkStatusChange = this.handleBulkStatusChange.bind(this);

    this.handleNotesChange = this.handleNotesChange.bind(this);

    this.updateReviewState = this.updateReviewState.bind(this);

    this.handleSavingStatusChange = this.handleSavingStatusChange.bind(this);

  }

  protected handleSavingStatusChange(

    applicationId: number,

    isSaving: boolean,

  ): void {

    const { savingStatuses } = this.state;

    const statuses = savingStatuses.map(item =>

      item.applicationId === applicationId

        ? { applicationId, isSaving }

        : { ...item },

    );

    this.setState({ savingStatuses: statuses });

  }

  protected submitReview(

    applicationId: number,

    review: ReviewSubmitForm,

  ): void {

    const { intl } = this.props;

    this.handleSavingStatusChange(applicationId, true);

    axios

      .put(routes.applicationReviewUpdate(intl.locale, applicationId), review)

      .then(response => {

        const newReview = response.data as ApplicationReview;

        this.updateReviewState(applicationId, newReview);

        this.handleSavingStatusChange(applicationId, false);

      })

      .catch(() => {

        Swal.fire({

          icon: "error",

          title: intl.formatMessage(localizations.oops),

          text: intl.formatMessage(localizations.somethingWrong),

        });

        this.handleSavingStatusChange(applicationId, false);

      });

  }

  protected handleStatusChange(

    applicationId: number,

    statusId: number | null,

  ): void {

    const { applications } = this.state;

    const application = find(applications, applicationId);

    if (application === null) {

      return;

    }

    const oldReview = application.application_review

      ? application.application_review

      : {};

    const submitReview = Object.assign(oldReview, {

      review_status_id: statusId,

    });

    this.submitReview(applicationId, submitReview);

  }

  protected handleBulkStatusChange(

    applicationIds: number[],

    statusId: number | null,

  ): void {

    const { applications } = this.state;

    const { intl } = this.props;

    const changedApplications = applications.filter(application =>

      applicationIds.includes(application.id),

    );

    let errorThrown = false;

    changedApplications.map(application => {

      const oldReview = application.application_review

        ? application.application_review

        : {};

      const submitReview = Object.assign(oldReview, {

        review_status_id: statusId,

      });

      this.handleSavingStatusChange(application.id, true);

      const request = axios

        .put(

          routes.applicationReviewUpdate(intl.locale, application.id),

          submitReview,

        )

        .then(response => {

          const newReview = response.data as ApplicationReview;

          this.updateReviewState(application.id, newReview);

          this.handleSavingStatusChange(application.id, false);

        })

        .catch(() => {

          this.handleSavingStatusChange(application.id, false);

          // Only show error modal first time a request fails

          if (!errorThrown) {

            errorThrown = true;

            Swal.fire({

              icon: "error",

              title: intl.formatMessage(localizations.oops),

              text: intl.formatMessage(localizations.somethingWrong),

            });

          }

        });

      return request;

    });

  }

  protected handleNotesChange(

    applicationId: number,

    notes: string | null,

  ): void {

    const { applications } = this.state;

    const application = find(applications, applicationId);

    if (application === null) {

      return;

    }

    const oldReview = application.application_review

      ? application.application_review

      : {};

    const submitReview = Object.assign(oldReview, {

      notes,

    });

    this.submitReview(applicationId, submitReview);

  }

  public render(): React.ReactElement {

    const { applications, savingStatuses } = this.state;

    const { reviewStatuses, job, portal, intl } = this.props;

    const reviewStatusOptions = reviewStatuses

      .filter(status => status.id in ReviewStatusId)

      .map(status => ({

        value: status.id,

        label: camelCase(status.name),

      }));

    return (

      <ReviewApplications

        jobId={job.id}

        title={job.title[intl.locale]}

        classification={classificationString(job)}

        closeDateTime={job.close_date_time}

        applications={applications}

        reviewStatusOptions={reviewStatusOptions}

        onStatusChange={this.handleStatusChange}

        onBulkStatusChange={this.handleBulkStatusChange}

        onNotesChange={this.handleNotesChange}

        savingStatuses={savingStatuses}

        portal={portal}

      />

    );

  }

}

const renderReviewApplications = (

  container: HTMLElement,

  portal: Portal,

): void => {

  if (

    container.hasAttribute("data-job") &&

    container.hasAttribute("data-applications") &&

    container.hasAttribute("data-review-statuses") &&

    container.hasAttribute("data-locale")

  ) {

    const job = JSON.parse(container.getAttribute("data-job") as string);

    const applications = JSON.parse(

      container.getAttribute("data-applications") as string,

    );

    const reviewStatuses = JSON.parse(

      container.getAttribute("data-review-statuses") as string,

    );

    const IntlReviewApplicationsRoot = injectIntl(ReviewApplicationsRoot);

    ReactDOM.render(

      <RootContainer>

        <IntlReviewApplicationsRoot

          job={job}

          initApplications={applications}

          reviewStatuses={reviewStatuses}

          portal={portal}

        />

      </RootContainer>,

      container,

    );

  }

};

if (document.getElementById("review-applications-container")) {

  const container = document.getElementById(

    "review-applications-container",

  ) as HTMLElement;

  renderReviewApplications(container, "manager");

}

if (document.getElementById("review-applications-container-hr")) {

  const hrContainer = document.getElementById(

    "review-applications-container-hr",

  ) as HTMLElement;

  renderReviewApplications(hrContainer, "hr");

}

export default injectIntl(ReviewApplicationsRoot);