// Copyright 2018 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

import type { ReactChild } from 'react';
import React, { forwardRef, useCallback, useState } from 'react';
import classNames from 'classnames';

import type { LocalizerType } from '../../types/Util';
import type { DirectionType, MessageStatusType } from './Message';
import type { PushPanelForConversationActionType } from '../../state/ducks/conversations';
import { missingCaseError } from '../../util/missingCaseError';
import { ExpireTimer } from './ExpireTimer';
import { MessageTimestamp } from './MessageTimestamp';
import { PanelType } from '../../types/Panels';
import { Spinner } from '../Spinner';
import { ConfirmationDialog } from '../ConfirmationDialog';
import { refMerger } from '../../util/refMerger';
import type { Size } from '../../hooks/useSizeObserver';
import { SizeObserver } from '../../hooks/useSizeObserver';

type PropsType = {
  deletedForEveryone?: boolean;
  direction: DirectionType;
  expirationLength?: number;
  expirationTimestamp?: number;
  hasText: boolean;
  i18n: LocalizerType;
  id: string;
  isEditedMessage?: boolean;
  isInline?: boolean;
  isShowingImage: boolean;
  isSticker?: boolean;
  isTapToViewExpired?: boolean;
  onWidthMeasured?: (width: number) => unknown;
  pushPanelForConversation: PushPanelForConversationActionType;
  retryMessageSend: (messageId: string) => unknown;
  showEditHistoryModal?: (id: string) => unknown;
  status?: MessageStatusType;
  textPending?: boolean;
  timestamp: number;
};

enum ConfirmationType {
  EditError = 'EditError',
}

export const MessageMetadata = forwardRef<HTMLDivElement, Readonly<PropsType>>(
  function MessageMetadataInner(
    {
      deletedForEveryone,
      direction,
      expirationLength,
      expirationTimestamp,
      hasText,
      i18n,
      id,
      isEditedMessage,
      isInline,
      isShowingImage,
      isSticker,
      isTapToViewExpired,
      onWidthMeasured,
      pushPanelForConversation,
      retryMessageSend,
      showEditHistoryModal,
      status,
      textPending,
      timestamp,
    },
    ref
  ) {
    const [confirmationType, setConfirmationType] = useState<
      ConfirmationType | undefined
    >();
    const withImageNoCaption = Boolean(
      !isSticker && !hasText && isShowingImage
    );
    const metadataDirection = isSticker ? undefined : direction;

    let timestampNode: ReactChild;
    {
      const isError = status === 'error' && direction === 'outgoing';
      const isPartiallySent =
        status === 'partial-sent' && direction === 'outgoing';
      const isPaused = status === 'paused';

      if (isError || isPartiallySent || isPaused) {
        let statusInfo: React.ReactChild;
        if (isError) {
          if (deletedForEveryone) {
            statusInfo = i18n('icu:deleteFailed');
          } else if (isEditedMessage) {
            statusInfo = (
              <button
                type="button"
                className="module-message__metadata__tapable"
                onClick={(event: React.MouseEvent) => {
                  event.stopPropagation();
                  event.preventDefault();

                  setConfirmationType(ConfirmationType.EditError);
                }}
              >
                {i18n('icu:editFailed')}
              </button>
            );
          } else {
            statusInfo = i18n('icu:sendFailed');
          }
        } else if (isPaused) {
          statusInfo = i18n('icu:sendPaused');
        } else {
          statusInfo = (
            <button
              type="button"
              className="module-message__metadata__tapable"
              onClick={(event: React.MouseEvent) => {
                event.stopPropagation();
                event.preventDefault();

                pushPanelForConversation({
                  type: PanelType.MessageDetails,
                  args: { messageId: id },
                });
              }}
            >
              {deletedForEveryone
                ? i18n('icu:partiallyDeleted')
                : i18n('icu:partiallySent')}
            </button>
          );
        }

        timestampNode = (
          <span
            className={classNames({
              'module-message__metadata__date': true,
              'module-message__metadata__date--with-sticker': isSticker,
              'module-message__metadata__date--deleted-for-everyone':
                deletedForEveryone,
              [`module-message__metadata__date--${direction}`]: !isSticker,
              'module-message__metadata__date--with-image-no-caption':
                withImageNoCaption,
            })}
          >
            {statusInfo}
          </span>
        );
      } else {
        timestampNode = (
          <MessageTimestamp
            deletedForEveryone={deletedForEveryone}
            direction={metadataDirection}
            i18n={i18n}
            module="module-message__metadata__date"
            timestamp={timestamp}
            withImageNoCaption={withImageNoCaption}
            withSticker={isSticker}
            withTapToViewExpired={isTapToViewExpired}
          />
        );
      }
    }

    let confirmation: JSX.Element | undefined;
    if (confirmationType === undefined) {
      // no-op
    } else if (confirmationType === ConfirmationType.EditError) {
      confirmation = (
        <ConfirmationDialog
          dialogName="MessageMetadata.confirmEditResend"
          actions={[
            {
              action: () => {
                retryMessageSend(id);
                setConfirmationType(undefined);
              },
              style: 'negative',
              text: i18n('icu:ResendMessageEdit__button'),
            },
          ]}
          i18n={i18n}
          onClose={() => {
            setConfirmationType(undefined);
          }}
        >
          {i18n('icu:ResendMessageEdit__body')}
        </ConfirmationDialog>
      );
    } else {
      throw missingCaseError(confirmationType);
    }

    const className = classNames(
      'module-message__metadata',
      isInline && 'module-message__metadata--inline',
      withImageNoCaption && 'module-message__metadata--with-image-no-caption',
      deletedForEveryone && 'module-message__metadata--deleted-for-everyone'
    );
    const children = (
      <>
        {isEditedMessage && showEditHistoryModal && (
          <button
            className="module-message__metadata__edited"
            onClick={() => showEditHistoryModal(id)}
            type="button"
          >
            {i18n('icu:MessageMetadata__edited')}
          </button>
        )}
        {timestampNode}
        {expirationLength ? (
          <ExpireTimer
            direction={metadataDirection}
            deletedForEveryone={deletedForEveryone}
            expirationLength={expirationLength}
            expirationTimestamp={expirationTimestamp}
            withImageNoCaption={withImageNoCaption}
            withSticker={isSticker}
            withTapToViewExpired={isTapToViewExpired}
          />
        ) : null}
        {textPending ? (
          <div className="module-message__metadata__spinner-container">
            <Spinner svgSize="small" size="14px" direction={direction} />
          </div>
        ) : null}
        {(!deletedForEveryone || status === 'sending') &&
        !textPending &&
        direction === 'outgoing' &&
        status !== 'error' &&
        status !== 'partial-sent' ? (
          <div
            className={classNames(
              'module-message__metadata__status-icon',
              `module-message__metadata__status-icon--${status}`,
              isSticker
                ? 'module-message__metadata__status-icon--with-sticker'
                : null,
              withImageNoCaption
                ? 'module-message__metadata__status-icon--with-image-no-caption'
                : null,
              deletedForEveryone
                ? 'module-message__metadata__status-icon--deleted-for-everyone'
                : null,
              isTapToViewExpired
                ? 'module-message__metadata__status-icon--with-tap-to-view-expired'
                : null
            )}
          />
        ) : null}
        {confirmation}
      </>
    );

    const onResize = useCallback(
      (size: Size) => {
        onWidthMeasured?.(size.width);
      },
      [onWidthMeasured]
    );

    if (onWidthMeasured) {
      return (
        <SizeObserver onSizeChange={onResize}>
          {measureRef => (
            <div className={className} ref={refMerger(measureRef, ref)}>
              {children}
            </div>
          )}
        </SizeObserver>
      );
    }

    return (
      <div className={className} ref={ref}>
        {children}
      </div>
    );
  }
);
