import _ from 'lodash';
import { getV2OpenGroupRoom } from '../data/opengroups';
import { ConversationModel, ConversationTypeEnum } from '../models/conversation';
import { OpenGroup } from '../opengroup/opengroupV1/OpenGroup';
import { ApiV2 } from '../opengroup/opengroupV2';
import { joinOpenGroupV2WithUIEvents } from '../opengroup/opengroupV2/JoinOpenGroupV2';
import { isOpenGroupV2, openGroupV2CompleteURLRegex } from '../opengroup/utils/OpenGroupUtils';
import { ConversationController } from '../session/conversations';
import { PubKey } from '../session/types';
import { ToastUtils } from '../session/utils';
import { openConversationExternal } from '../state/ducks/conversations';

export function banUser(userToBan: string, conversation?: ConversationModel) {
  let pubKeyToBan: PubKey;
  try {
    pubKeyToBan = PubKey.cast(userToBan);
  } catch (e) {
    window.log.warn(e);
    ToastUtils.pushUserBanFailure();
    return;
  }
  window.confirmationDialog({
    title: window.i18n('banUser'),
    message: window.i18n('banUserConfirm'),
    resolve: async () => {
      if (!conversation) {
        window.log.info('cannot ban user, the corresponding conversation was not found.');
        return;
      }
      let success = false;
      if (isOpenGroupV2(conversation.id)) {
        const roomInfos = await getV2OpenGroupRoom(conversation.id);
        if (!roomInfos) {
          window.log.warn('banUser room not found');
        } else {
          success = await ApiV2.banUser(pubKeyToBan, _.pick(roomInfos, 'serverUrl', 'roomId'));
        }
      } else {
        const channelAPI = await conversation.getPublicSendData();
        if (!channelAPI) {
          window.log.info('cannot ban user, the corresponding channelAPI was not found.');
          return;
        }
        success = await channelAPI.banUser(userToBan);
      }
      if (success) {
        ToastUtils.pushUserBanSuccess();
      } else {
        ToastUtils.pushUserBanFailure();
      }
    },
  });
}

/**
 * There is no way to unban on an opengroupv1 server.
 * This function only works for opengroupv2 server
 */
export function unbanUser(userToUnBan: string, conversation?: ConversationModel) {
  let pubKeyToUnban: PubKey;
  try {
    pubKeyToUnban = PubKey.cast(userToUnBan);
  } catch (e) {
    window.log.warn(e);
    ToastUtils.pushUserBanFailure();
    return;
  }
  if (!isOpenGroupV2(conversation?.id || '')) {
    window.log.warn('no way to unban on a opengroupv1');
    ToastUtils.pushUserBanFailure();
    return;
  }
  window.confirmationDialog({
    title: window.i18n('unbanUser'),
    message: window.i18n('unbanUserConfirm'),
    resolve: async () => {
      if (!conversation) {
        // double check here. the convo might have been removed since the dialog was opened
        window.log.info('cannot unban user, the corresponding conversation was not found.');
        return;
      }
      let success = false;
      if (isOpenGroupV2(conversation.id)) {
        const roomInfos = await getV2OpenGroupRoom(conversation.id);
        if (!roomInfos) {
          window.log.warn('unbanUser room not found');
        } else {
          success = await ApiV2.unbanUser(pubKeyToUnban, _.pick(roomInfos, 'serverUrl', 'roomId'));
        }
      }
      if (success) {
        ToastUtils.pushUserUnbanSuccess();
      } else {
        ToastUtils.pushUserUnbanFailure();
      }
    },
  });
}

export function copyBodyToClipboard(body?: string) {
  window.clipboard.writeText(body);

  ToastUtils.pushCopiedToClipBoard();
}

export function copyPubKey(sender: string) {
  // this.getSource return out pubkey if this is an outgoing message, or the sender pubkey
  window.clipboard.writeText();

  ToastUtils.pushCopiedToClipBoard();
}

export async function removeSenderFromModerator(sender: string, convoId: string) {
  try {
    const pubKeyToRemove = PubKey.cast(sender);
    const convo = ConversationController.getInstance().getOrThrow(convoId);
    if (convo.isOpenGroupV1()) {
      const channelAPI = await convo.getPublicSendData();
      if (!channelAPI) {
        throw new Error('No channelAPI');
      }
      const res = await channelAPI.serverAPI.removeModerators([pubKeyToRemove.key]);
      if (!res) {
        window.log.warn('failed to remove moderators:', res);

        ToastUtils.pushErrorHappenedWhileRemovingModerator();
      } else {
        // refresh the moderator list. Will trigger a refresh
        const modPubKeys = await channelAPI.getModerators();
        await convo.updateGroupAdmins(modPubKeys);

        window.log.info(`${pubKeyToRemove.key} removed from moderators...`);
        ToastUtils.pushUserRemovedFromModerators();
      }
    } else if (convo.isOpenGroupV2()) {
      // FXIME audric removeModerator not working serverside
      const roomInfo = convo.toOpenGroupV2();
      const res = await ApiV2.removeModerator(pubKeyToRemove, roomInfo);
      if (!res) {
        window.log.warn('failed to remove moderator:', res);

        ToastUtils.pushErrorHappenedWhileRemovingModerator();
      } else {
        window.log.info(`${pubKeyToRemove.key} removed from moderators...`);
        ToastUtils.pushUserRemovedFromModerators();
      }
    }
  } catch (e) {
    window.log.error('Got error while removing moderator:', e);
  }
}

export async function addSenderAsModerator(sender: string, convoId: string) {
  try {
    const pubKeyToRemove = PubKey.cast(sender);

    const convo = ConversationController.getInstance().getOrThrow(convoId);
    if (convo.isOpenGroupV1()) {
      const channelAPI = await convo.getPublicSendData();
      if (!channelAPI) {
        throw new Error('No channelAPI');
      }
      if (!channelAPI.serverAPI) {
        throw new Error('No serverAPI');
      }
      const res = await channelAPI.serverAPI.addModerator([pubKeyToRemove.key]);
      if (!res) {
        window.log.warn('failed to add moderators:', res);

        ToastUtils.pushUserNeedsToHaveJoined();
      } else {
        window.log.info(`${pubKeyToRemove.key} added as moderator...`);
        // refresh the moderator list. Will trigger a refresh
        const modPubKeys = await channelAPI.getModerators();
        await convo.updateGroupAdmins(modPubKeys);

        ToastUtils.pushUserAddedToModerators();
      }
    } else if (convo.isOpenGroupV2()) {
      // FXIME audric addModerator not working serverside
      const roomInfo = convo.toOpenGroupV2();
      const res = await ApiV2.addModerator(pubKeyToRemove, roomInfo);
      if (!res) {
        window.log.warn('failed to add moderator:', res);

        ToastUtils.pushUserNeedsToHaveJoined();
      } else {
        window.log.info(`${pubKeyToRemove.key} removed from moderators...`);
        ToastUtils.pushUserAddedToModerators();
      }
    }
  } catch (e) {
    window.log.error('Got error while adding moderator:', e);
  }
}

async function acceptOpenGroupInvitationV1(serverAddress: string) {
  try {
    if (serverAddress.length === 0 || !OpenGroup.validate(serverAddress)) {
      ToastUtils.pushToastError('connectToServer', window.i18n('invalidOpenGroupUrl'));
      return;
    }

    // Already connected?
    if (OpenGroup.getConversation(serverAddress)) {
      ToastUtils.pushToastError('publicChatExists', window.i18n('publicChatExists'));
      return;
    }
    // To some degree this has been copy-pasted from LeftPaneMessageSection
    const rawServerUrl = serverAddress.replace(/^https?:\/\//i, '').replace(/[/\\]+$/i, '');
    const sslServerUrl = `https://${rawServerUrl}`;
    const conversationId = `publicChat:1@${rawServerUrl}`;

    const conversationExists = ConversationController.getInstance().get(conversationId);
    if (conversationExists) {
      window.log.warn('We are already a member of this public chat');
      ToastUtils.pushAlreadyMemberOpenGroup();

      return;
    }

    const conversation = await ConversationController.getInstance().getOrCreateAndWait(
      conversationId,
      ConversationTypeEnum.GROUP
    );
    await conversation.setPublicSource(sslServerUrl, 1);

    const channelAPI = await window.lokiPublicChatAPI.findOrCreateChannel(
      sslServerUrl,
      1,
      conversationId
    );
    if (!channelAPI) {
      window.log.warn(`Could not connect to ${serverAddress}`);
      return;
    }
    openConversationExternal(conversationId);
  } catch (e) {
    window.log.warn('failed to join opengroupv1 from invitation', e);
    ToastUtils.pushToastError('connectToServerFail', window.i18n('connectToServerFail'));
  }
}

const acceptOpenGroupInvitationV2 = (completeUrl: string, roomName?: string) => {
  window.confirmationDialog({
    title: window.i18n('joinOpenGroupAfterInvitationConfirmationTitle', roomName),
    message: window.i18n('joinOpenGroupAfterInvitationConfirmationDesc', roomName),
    resolve: () => joinOpenGroupV2WithUIEvents(completeUrl, true),
  });
  // this function does not throw, and will showToasts if anything happens
};

/**
 * Accepts a v1 (channelid defaults to 1) url or a v2 url (with pubkey)
 */
export const acceptOpenGroupInvitation = async (completeUrl: string, roomName?: string) => {
  if (completeUrl.match(openGroupV2CompleteURLRegex)) {
    acceptOpenGroupInvitationV2(completeUrl, roomName);
  } else {
    await acceptOpenGroupInvitationV1(completeUrl);
  }
};