GCTC-NTGC / TalentCloud

/* eslint-disable camelcase */

/* eslint-disable @typescript-eslint/camelcase */

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

import { connect } from "react-redux";

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

import Activity from "./Activity";

import { RootState } from "../store/store";

import { Comment } from "../models/types";

import { DispatchType } from "../configureStore";

import { fetchComments } from "../store/Job/jobActions";

import { getComments, sortComments } from "../store/Job/jobSelector";

import { commentTypeMessages } from "./CommentForm";

import { activityLocationOption } from "../models/localizedConstants";

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

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

interface ActivityFeedProps {

  jobId: number;

  isHrAdvisor: boolean;

  comments: Comment[];

  handleFetchComments: (jobId: number) => Promise<void>;

  filterComments?: (comment: Comment) => boolean;

}

const ActivityFeed: React.FunctionComponent<ActivityFeedProps> = ({

  jobId,

  comments,

  handleFetchComments,

  isHrAdvisor,

}) => {

  const intl = useIntl();

  const { locale } = intl;

  if (locale !== "en" && locale !== "fr") {

    throw new Error("Unknown intl.locale");

  }

  const activities: Comment[] = [...comments];

  const [isActivitiesLoading, setIsActivitiesLoading] = useState(false);

  const [isError, setIsError] = useState(false);

  useEffect((): void => {

    setIsActivitiesLoading(true);

    handleFetchComments(jobId)

      .then(() => {

        setIsActivitiesLoading(false);

      })

      .catch(() => {

        setIsActivitiesLoading(false);

        setIsError(true);

      });

  }, [handleFetchComments, jobId]);

  const activityType = (type: number | null): string => {

    switch (type) {

      case 1:

        return intl.formatMessage(commentTypeMessages.question);

      case 2:

        return intl.formatMessage(commentTypeMessages.recommendation);

      case 3:

        return intl.formatMessage(commentTypeMessages.requiredAction);

      default:

        return intl.formatMessage(commentTypeMessages.comment);

    }

  };

  const isValidLocation = (locationStr: string): boolean => {

    const validLocations = Object.values(LocationId) as ReadonlyArray<string>;

    return validLocations.includes(locationStr);

  };

  return (

    <section data-c-padding="top(1)">

      <h3 data-c-font-size="h3" data-c-color="c2" data-c-margin="bottom(1)">

        <FormattedMessage

          id="activityfeed.title"

          defaultMessage="Activities"

          description="Title of activity feed."

        />

      </h3>

      {isError && (

        <p>

          <FormattedMessage

            id="activityfeed.error"

            defaultMessage="Something went wrong..."

            description="Error fetching activities."

          />

        </p>

      )}

      {isActivitiesLoading ? (

        <div data-c-container="form" data-c-padding="top(1) bottom(1)">

          <div

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

            data-c-card

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

            data-c-radius="rounded"

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

          >

            <p>

              <FormattedMessage

                id="activityfeed.loading"

                defaultMessage="Your activities are loading..."

                description="Message indicating that the activity feed is still being loaded."

              />

            </p>

          </div>

        </div>

      ) : (

        <>

          {activities && activities.length !== 0

            ? activities.map(

                ({

                  id,

                  comment,

                  location,

                  created_at,

                  type_id,

                }: Comment): React.ReactElement => (

                  <Activity

                    key={id}

                    name="Replace with Manager Name!" // TODO: Replace with user.name after User api is setup.

                    userRole="Replace with Manager Role!" // TODO: Replace with user.name after User api is setup.

                    comment={comment}

                    location={

                      isValidLocation(location)

                        ? intl.formatMessage(activityLocationOption(location))

                        : ""

                    }

                    time={created_at}

                    type={activityType(type_id)}

                    link={{

                      url: activityLocationUrl(

                        isHrAdvisor,

                        location,

                        jobId,

                        locale,

                      ),

                      text: "",

                      title: "",

                    }}

                  />

                ),

              )

            : !isError && (

                <p>

                  <FormattedMessage

                    id="activityfeed.noActivities"

                    defaultMessage="No activities."

                    description="Message displayed when activities is empty."

                  />

                </p>

              )}

        </>

      )}

    </section>

  );

};

const mapStateToProps = (

  state: RootState,

  {

    filterComments = (): boolean => true,

  }: { filterComments?: (comment: Comment) => boolean },

): {

  comments: Comment[];

} => ({

  comments: sortComments(getComments(state).filter(filterComments)),

});

const mapDispatchToProps = (

  dispatch: DispatchType,

): {

  handleFetchComments: (jobId: number) => Promise<void>;

} => ({

  handleFetchComments: async (jobId: number): Promise<void> => {

    const result = await dispatch(fetchComments(jobId));

    if (!result.error) {

      return Promise.resolve();

    }

    return Promise.reject(result.error);

  },

});

export default connect(mapStateToProps, mapDispatchToProps)(ActivityFeed);