// Copyright 2025 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import type { FC, ReactNode, JSX } from 'react';
import { memo, useCallback, useMemo, useState } from 'react';
import { AxoContextMenu } from '../../axo/AxoContextMenu.dom.tsx';
import type { LocalizerType } from '../../types/I18N.std.ts';
import type { ConversationType } from '../../state/ducks/conversations.preload.ts';
import { isConversationUnread } from '../../util/isConversationUnread.std.ts';
import { drop } from '../../util/drop.std.ts';
import { DeleteMessagesConfirmationDialog } from '../DeleteMessagesConfirmationDialog.dom.tsx';
import { getMuteOptions } from '../../util/getMuteOptions.std.ts';
import {
  CHAT_FOLDER_DEFAULTS,
  ChatFolderType,
  isConversationInChatFolder,
} from '../../types/ChatFolder.std.ts';
import type {
  ChatFolderParams,
  ChatFolder,
  ChatFolderId,
} from '../../types/ChatFolder.std.ts';
import { CurrentChatFolders } from '../../types/CurrentChatFolders.std.ts';
import { strictAssert } from '../../util/assert.std.ts';
import { UserText } from '../UserText.dom.tsx';
import { isConversationMuted } from '../../util/isConversationMuted.std.ts';
import { isInternalFeaturesEnabled } from '../../util/isInternalFeaturesEnabled.dom.ts';
import { canConversationOnlyBeMutedAlways } from '../../conversations/canConversationOnlyBeMutedAlways.dom.ts';

export type ChatFolderToggleChat = (
  chatFolderId: ChatFolderId,
  conversationId: string,
  toggle: boolean
) => void;

export type LeftPaneConversationListItemContextMenuProps = Readonly<{
  i18n: LocalizerType;
  conversation: ConversationType;
  selectedChatFolder: ChatFolder | null;
  currentChatFolders: CurrentChatFolders;
  isActivelySearching: boolean;
  onMarkUnread: (conversationId: string) => void;
  onMarkRead: (conversationId: string) => void;
  onPin: (conversationId: string) => void;
  onUnpin: (conversationId: string) => void;
  onUpdateMute: (conversationId: string, muteExpiresAt: number) => void;
  onArchive: (conversationId: string) => void;
  onUnarchive: (conversationId: string) => void;
  onDelete: (conversationId: string) => void;
  onChatFolderOpenCreatePage: (initChatFolderParams: ChatFolderParams) => void;
  onChatFolderToggleChat: ChatFolderToggleChat;
  children: ReactNode;
}>;

export const LeftPaneConversationListItemContextMenu: FC<LeftPaneConversationListItemContextMenuProps> =
  memo(function ConversationListItemContextMenu(props) {
    const {
      i18n,
      conversation,
      selectedChatFolder,
      onMarkUnread,
      onMarkRead,
      onPin,
      onUnpin,
      onUpdateMute,
      onArchive,
      onUnarchive,
      onDelete,
      onChatFolderOpenCreatePage,
      onChatFolderToggleChat,
    } = props;

    const { id: conversationId, muteExpiresAt } = conversation;
    const selectedChatFolderId = selectedChatFolder?.id ?? null;

    const isSelectedChatFolderAllChats = useMemo(() => {
      return (
        selectedChatFolder == null ||
        selectedChatFolder.folderType === ChatFolderType.ALL
      );
    }, [selectedChatFolder]);

    const muteOptions = useMemo(() => {
      return getMuteOptions(muteExpiresAt, i18n, {
        canOnlyBeMutedAlways: canConversationOnlyBeMutedAlways(conversation),
      });
    }, [muteExpiresAt, i18n, conversation]);

    const [showConfirmDeleteDialog, setShowConfirmDeleteDialog] =
      useState(false);

    const handleOpenConfirmDeleteDialog = useCallback(() => {
      setShowConfirmDeleteDialog(true);
    }, []);

    const handleCloseConfirmDeleteDialog = useCallback(() => {
      setShowConfirmDeleteDialog(false);
    }, []);

    const isUnread = useMemo(() => {
      return isConversationUnread(conversation);
    }, [conversation]);

    const handleMarkUnread = useCallback(() => {
      onMarkUnread(conversationId);
    }, [onMarkUnread, conversationId]);

    const handleMarkRead = useCallback(() => {
      onMarkRead(conversationId);
    }, [onMarkRead, conversationId]);

    const handlePin = useCallback(() => {
      onPin(conversationId);
    }, [onPin, conversationId]);

    const handleUnpin = useCallback(() => {
      onUnpin(conversationId);
    }, [onUnpin, conversationId]);

    const handleUpdateMute = useCallback(
      (value: number) => {
        onUpdateMute(conversationId, value);
      },
      [onUpdateMute, conversationId]
    );

    const handleArchive = useCallback(() => {
      onArchive(conversationId);
    }, [onArchive, conversationId]);

    const handleUnarchive = useCallback(() => {
      onUnarchive(conversationId);
    }, [onUnarchive, conversationId]);

    const handleDelete = useCallback(() => {
      onDelete(conversationId);
    }, [onDelete, conversationId]);

    const handleChatFolderCreateNew = useCallback(() => {
      onChatFolderOpenCreatePage({
        ...CHAT_FOLDER_DEFAULTS,
        includedConversationIds: [conversationId],
      });
    }, [onChatFolderOpenCreatePage, conversationId]);

    const handleChatFolderRemoveChat = useCallback(() => {
      strictAssert(
        selectedChatFolderId != null,
        'Missing selectedChatFolderId'
      );
      onChatFolderToggleChat(selectedChatFolderId, conversationId, false);
    }, [onChatFolderToggleChat, selectedChatFolderId, conversationId]);

    return (
      <>
        <AxoContextMenu.Root>
          <AxoContextMenu.Trigger>{props.children}</AxoContextMenu.Trigger>
          <AxoContextMenu.Content>
            {isUnread && (
              <AxoContextMenu.Item
                symbol="message-check"
                onSelect={handleMarkRead}
              >
                {i18n('icu:markRead')}
              </AxoContextMenu.Item>
            )}
            {!isUnread && !conversation.markedUnread && (
              <AxoContextMenu.Item
                symbol="message-badge"
                onSelect={handleMarkUnread}
              >
                {i18n('icu:markUnread')}
              </AxoContextMenu.Item>
            )}
            {!conversation.isPinned && (
              <AxoContextMenu.Item symbol="pin" onSelect={handlePin}>
                {i18n('icu:pinConversation')}
              </AxoContextMenu.Item>
            )}
            {conversation.isPinned && (
              <AxoContextMenu.Item symbol="pin-slash" onSelect={handleUnpin}>
                {i18n('icu:unpinConversation')}
              </AxoContextMenu.Item>
            )}
            <AxoContextMenu.Sub>
              <AxoContextMenu.SubTrigger symbol="bell-slash">
                {i18n('icu:muteNotificationsTitle')}
              </AxoContextMenu.SubTrigger>
              <AxoContextMenu.SubContent>
                {muteOptions.map(muteOption => {
                  return (
                    <ContextMenuMuteNotificationsItem
                      key={muteOption.value}
                      value={muteOption.value}
                      disabled={muteOption.disabled}
                      onSelect={handleUpdateMute}
                    >
                      {muteOption.name}
                    </ContextMenuMuteNotificationsItem>
                  );
                })}
              </AxoContextMenu.SubContent>
            </AxoContextMenu.Sub>
            {!props.isActivelySearching &&
              isSelectedChatFolderAllChats &&
              props.currentChatFolders.hasAnyCurrentCustomChatFolders && (
                <AxoContextMenu.Sub>
                  <AxoContextMenu.SubTrigger symbol="folder-plus">
                    {i18n(
                      'icu:LeftPane__ConversationListItem__ContextMenu__ChatFolderToggleChatsItem'
                    )}
                  </AxoContextMenu.SubTrigger>
                  <AxoContextMenu.SubContent>
                    <ContextMenuChatFolderToggleChatsSubMenu
                      currentChatFolders={props.currentChatFolders}
                      conversation={conversation}
                      onChatFolderToggleChat={props.onChatFolderToggleChat}
                    />
                    <AxoContextMenu.Item
                      symbol="plus"
                      onSelect={handleChatFolderCreateNew}
                    >
                      {i18n(
                        'icu:LeftPane__ConversationListItem__ContextMenu__ChatFolderToggleChatsMenu__CreateFolderItem'
                      )}
                    </AxoContextMenu.Item>
                  </AxoContextMenu.SubContent>
                </AxoContextMenu.Sub>
              )}
            {!props.isActivelySearching && !isSelectedChatFolderAllChats && (
              <AxoContextMenu.Item
                symbol="folder-minus"
                onSelect={handleChatFolderRemoveChat}
              >
                {i18n(
                  'icu:LeftPane__ConversationListItem__ContextMenu__ChatFolderRemoveChatItem'
                )}
              </AxoContextMenu.Item>
            )}
            {!conversation.isArchived && (
              <AxoContextMenu.Item symbol="archive" onSelect={handleArchive}>
                {i18n('icu:archiveConversation')}
              </AxoContextMenu.Item>
            )}
            {conversation.isArchived && (
              <AxoContextMenu.Item
                symbol="archive-up"
                onSelect={handleUnarchive}
              >
                {i18n('icu:moveConversationToInbox')}
              </AxoContextMenu.Item>
            )}
            <AxoContextMenu.Item
              symbol="trash"
              onSelect={handleOpenConfirmDeleteDialog}
            >
              {i18n('icu:deleteConversation')}
            </AxoContextMenu.Item>
            {isInternalFeaturesEnabled() && (
              <>
                <AxoContextMenu.Separator />
                <AxoContextMenu.Group>
                  <AxoContextMenu.Label>Internal</AxoContextMenu.Label>
                  <ContextMenuCopyTextItem value={conversation.id}>
                    Copy Conversation ID
                  </ContextMenuCopyTextItem>
                  {conversation.serviceId != null && (
                    <ContextMenuCopyTextItem value={conversation.serviceId}>
                      Copy Service ID
                    </ContextMenuCopyTextItem>
                  )}
                  {conversation.pni != null && (
                    <ContextMenuCopyTextItem value={conversation.pni}>
                      Copy PNI
                    </ContextMenuCopyTextItem>
                  )}
                  {conversation.groupId != null && (
                    <ContextMenuCopyTextItem value={conversation.groupId}>
                      Copy Group ID
                    </ContextMenuCopyTextItem>
                  )}
                  {conversation.e164 != null && (
                    <ContextMenuCopyTextItem value={conversation.e164}>
                      Copy E164
                    </ContextMenuCopyTextItem>
                  )}
                </AxoContextMenu.Group>
              </>
            )}
          </AxoContextMenu.Content>
        </AxoContextMenu.Root>
        {showConfirmDeleteDialog && (
          <DeleteMessagesConfirmationDialog
            i18n={i18n}
            onDestroyMessages={handleDelete}
            onClose={handleCloseConfirmDeleteDialog}
            areWeMember={
              conversation.type === 'group' &&
              !conversation.left &&
              !conversation.terminated
            }
          />
        )}
      </>
    );
  });

function ContextMenuMuteNotificationsItem(props: {
  disabled?: boolean;
  value: number;
  onSelect: (value: number) => void;
  children: ReactNode;
}): JSX.Element {
  const { value, onSelect } = props;
  const handleSelect = useCallback(() => {
    onSelect(value);
  }, [onSelect, value]);
  return (
    <AxoContextMenu.Item disabled={props.disabled} onSelect={handleSelect}>
      {props.children}
    </AxoContextMenu.Item>
  );
}

function ContextMenuCopyTextItem(props: {
  value: string;
  children: ReactNode;
}): JSX.Element {
  const { value } = props;

  const handleSelect = useCallback((): void => {
    drop(window.navigator.clipboard.writeText(value));
  }, [value]);

  return (
    <AxoContextMenu.Item symbol="copy" onSelect={handleSelect}>
      {props.children}
    </AxoContextMenu.Item>
  );
}

function ContextMenuChatFolderToggleChatsSubMenu(props: {
  currentChatFolders: CurrentChatFolders;
  conversation: ConversationType;
  onChatFolderToggleChat: ChatFolderToggleChat;
}) {
  const { currentChatFolders } = props;

  const sortedAndFilteredChatFolders = useMemo(() => {
    return CurrentChatFolders.toSortedArray(currentChatFolders).filter(
      chatFolder => {
        return chatFolder.folderType === ChatFolderType.CUSTOM;
      }
    );
  }, [currentChatFolders]);

  return (
    <>
      {sortedAndFilteredChatFolders.map(chatFolder => {
        return (
          <ContextMenuChatFolderToggleChatItem
            key={chatFolder.id}
            chatFolder={chatFolder}
            conversation={props.conversation}
            onChatFolderToggleChat={props.onChatFolderToggleChat}
          />
        );
      })}
    </>
  );
}

function ContextMenuChatFolderToggleChatItem(props: {
  chatFolder: ChatFolder;
  conversation: ConversationType;
  onChatFolderToggleChat: ChatFolderToggleChat;
}) {
  const { chatFolder, conversation, onChatFolderToggleChat } = props;
  const chatFolderId = chatFolder.id;
  const conversationId = conversation.id;

  const checked = useMemo(() => {
    return isConversationInChatFolder(chatFolder, conversation, {
      ignoreShowOnlyUnread: true,
      ignoreShowMutedChats: true,
    });
  }, [chatFolder, conversation]);

  const isExcludedByMute = useMemo(() => {
    return !chatFolder.showMutedChats && isConversationMuted(conversation);
  }, [chatFolder, conversation]);

  const handleCheckedChange = useCallback(
    (value: boolean) => {
      onChatFolderToggleChat(chatFolderId, conversationId, value);
    },
    [onChatFolderToggleChat, chatFolderId, conversationId]
  );

  return (
    <AxoContextMenu.CheckboxItem
      symbol="folder"
      checked={checked}
      disabled={checked || isExcludedByMute}
      onCheckedChange={handleCheckedChange}
    >
      <UserText text={chatFolder.name} />
    </AxoContextMenu.CheckboxItem>
  );
}
