/*
   Copyright (c) 2018 [Glacies UG, Berlin, Germany] (http://glacies.de)
 Developer: Thilina Hasantha (http://lk.linkedin.com/in/thilinah | https://github.com/thilinah)
 */
/* global showUploadDialog */
import AdapterBase from './AdapterBase';

class ConversationsAdapter extends AdapterBase {
  constructor(endPoint, tab, filter, orderBy) {
    super(endPoint, tab, filter, orderBy);
    this.topLimit = 0;
    this.bottomLimit = 0;
    this.conversations = [];
    this.type = null;
    this.container = null;
    this.loadMoreButton = null;
    this.start = 0;
    this.pageSize = 6;
    this.currentPage = 1;
    this.hasMoreData = true;
    this.searchTerm = '';
    this.searchInput = null;
    this.timer = null;
    this.timeoutDelay = 0;
    this.topLimitUpdated = false;
  }

  getDataMapping() {
    return [];
  }

  getHeaders() {
    return [];
  }

  getFormFields() {
    return [];
  }

  addConversation() {
    const object = this.validateCreateConversation();

    if (!object) {
      return false;
    }
    object.type = this.type;
    object.clienttime = (new Date()).getTimezoneOffset();
    const reqJson = JSON.stringify(object);
    const callBackData = [];
    callBackData.callBackData = [];
    callBackData.callBackSuccess = 'addConversationSuccessCallBack';
    callBackData.callBackFail = 'addConversationFailCallBack';

    this.customAction('addConversation', 'modules=conversations', reqJson, callBackData);
    return true;
  }

  clearInputs() {
    $('#contentMessage').data('simplemde').value('');
    $('#attachment').html(this.gt('Attach File'));
    $('#attachment_remove').hide();
    $('#attachment_download').hide();
  }

  uploadPostAttachment() {
    const rand = this.generateRandom(14);
    showUploadDialog(`attachment_${rand}`, 'Upload Attachment', 'Conversation', 1, 'attachment', 'html', 'name', 'all');
  }

  setConversationType(type) {
    this.type = type;
  }

  addConversationSuccessCallBack() {
    this.clearInputs();
    this.getConversations(this.topLimit, this.pageSize, true);
  }

  addConversationFailCallBack() {

  }

  deleteConversation(id) {
    const object = { id };
    const reqJson = JSON.stringify(object);
    const callBackData = [];
    callBackData.callBackData = [];
    callBackData.callBackSuccess = 'deleteConversationSuccessCallBack';
    callBackData.callBackFail = 'deleteConversationFailCallBack';

    this.customAction('deleteConversation', 'modules=conversations', reqJson, callBackData);
  }


  deleteConversationSuccessCallBack(callBackData) {
    $(`#obj_${callBackData}`).fadeOut();
  }

  deleteConversationFailCallBack() {

  }

  toggleConversationSize(id) {
    $(`#obj_${id}`).find('.conversation-body').toggleClass('conversation-small');
    if ($(`#obj_${id}`).find('.conversation-body').hasClass('conversation-small')) {
      $(`#obj_${id}`).find('.conversation-expand-label').html(this.gt('Show More'));
    } else {
      $(`#obj_${id}`).find('.conversation-expand-label').html(this.gt('Show Less'));
    }
  }


  getConversations(start, limit, addToTop) {
    const reqJson = JSON.stringify({
      start,
      limit,
      top: addToTop,
      type: this.type,
    });
    const callBackData = [addToTop];
    callBackData.callBackData = callBackData;
    callBackData.callBackSuccess = 'getConversationsSuccessCallBack';
    callBackData.callBackFail = 'getConversationsFailCallBack';
    this.showConversationLoader();
    this.customAction('getConversations', 'modules=conversations', reqJson, callBackData);
  }


  getConversationsSuccessCallBack(addToTop, serverData) {
    this.hideLoader();
    const data = [];
    if (!addToTop && serverData.length > this.pageSize) {
      this.hasMoreData = true;
      serverData.pop();
      this.loadMoreButton.removeAttr('disabled');
      this.loadMoreButton.show();
    } else if (!addToTop) {
      this.hasMoreData = false;
      this.loadMoreButton.hide();
    }

    if (!addToTop) {
      this.scrollToElementBottom(this.container);
    }

    for (let i = 0; i < serverData.length; i++) {
      data.push(this.preProcessTableData(serverData[i]));
    }
    this.sourceData = serverData;
    this.topLimitUpdated = false;
    for (let i = 0; i < data.length; i++) {
      this.renderObject(data[i], addToTop);
      if (data[i].timeint < this.bottomLimit || this.bottomLimit === 0) {
        this.bottomLimit = data[i].timeint;
      }

      if (data[i].timeint > this.topLimit || this.topLimit === 0) {
        this.topLimit = data[i].timeint;
        this.topLimitUpdated = true;
      }
    }
    this.hideConversationLoader();
  }

  getConversationsFailCallBack() {
    this.hideLoader();
    this.hideConversationLoader();
    if (this.timer !== null) {
      clearTimeout(this.timer);
      this.timer = null;
    }
  }


  getObjectHTML(object) {
    let t = this.getCustomTemplate(this.getTemplateName());
    t = t.replace(new RegExp('#_id_#', 'g'), object.id);
    t = t.replace(new RegExp('#_message_#', 'g'), object.message);
    t = t.replace(new RegExp('#_employeeName_#', 'g'), object.employeeName);
    t = t.replace(new RegExp('#_employeeImage_#', 'g'), object.employeeImage);
    t = t.replace(new RegExp('#_date_#', 'g'), object.date);

    if (object.attachment !== '' && object.attachment !== null && object.attachment !== undefined) {
      let at = this.getCustomTemplate('attachment.html');
      at = at.replace(new RegExp('#_attachment_#', 'g'), object.attachment);
      at = at.replace(new RegExp('#_icon_#', 'g'), this.getIconByFileType(object.file.type));
      at = at.replace(new RegExp('#_color_#', 'g'), this.getColorByFileType(object.file.type));
      at = at.replace(new RegExp('#_name_#', 'g'), object.file.name);
      at = at.replace(new RegExp('#_size_#', 'g'), object.file.size_text);
      t = t.replace(new RegExp('#_attachment_#', 'g'), at);
    } else {
      t = t.replace(new RegExp('#_attachment_#', 'g'), '');
    }

    return t;
  }

  setPageSize(pageSize) {
    this.pageSize = pageSize;
  }

  // eslint-disable-next-line no-unused-vars
  addDomEvents(object) {

  }

  getTemplateName() {
    return 'conversation.html';
  }

  renderObject(object, addToTop) {
    const objDom = this.getObjectDom(object.id);

    const html = this.getObjectHTML(object);
    const domObj = $(html);


    if (objDom !== undefined && objDom !== null) {
      objDom.replace(domObj);
    } else if (addToTop) {
      this.container.prepend(domObj);
      $(`#obj_${object.id}`).css('background-color', '#FFF8DC');
      $(`#obj_${object.id}`).fadeIn('slow');
      $(`#obj_${object.id}`).animate({ backgroundColor: '#FFF' }, 'slow');
    } else {
      this.container.append(domObj);
      $(`#obj_${object.id}`).fadeIn('slow');
    }

    if (domObj.find('.conversation-body').prop('scrollHeight') > 290) {
      domObj.find('.conversation-expand').show();
    }

    if (object.actionDelete === 1) {
      domObj.find('.delete-button').show();
    }

    this.addDomEvents(domObj);
  }

  setContainer(container) {
    this.container = container;
  }

  setLoadMoreButton(loadMoreButton) {
    const that = this;
    this.loadMoreButton = loadMoreButton;
    this.loadMoreButton.off().on('click', () => {
      that.loadMoreButton.attr('disabled', 'disabled');
      that.loadMore([]);
    });
  }

  showLoadError(msg) {
    $(`#${this.getTableName()}_error`).html(msg);
    $(`#${this.getTableName()}_error`).show();
  }

  hideLoadError() {
    $(`#${this.getTableName()}_error`).hide();
  }

  setSearchBox(searchInput) {
    const that = this;
    this.searchInput = searchInput;
    this.searchInput.off();
    this.searchInput.keydown(function (event) {
      const val = $(this).val();
      if (event.which === 13) {
        event.preventDefault();
        that.search([]);
      } else if ((event.which === 8 || event.which === 46) && val.length === 1 && that.searchTerm !== '') {
        that.search([]);
      }
    });
  }

  getObjectDom(id) {
    const obj = this.container.find(`#obj_${id}`);
    if (obj.length) {
      return obj;
    }
    return null;
  }

  loadMore(callBackData) {
    if (!this.hasMoreData) {
      return;
    }
    this.currentPage++;
    this.get(callBackData, true);
  }

  get(callBackData, loadMore) {
    const that = this;

    this.hideLoadError();

    if (!loadMore) {
      this.currentPage = 1;
      if (this.container != null) {
        this.container.html('');
      }
      this.hasMoreData = true;
      this.tableData = [];
    }

    this.start = (this.currentPage === 1) ? 0 : this.bottomLimit;

    this.container = $(`#${this.getTableName()}`).find('.objectList');

    that.showLoader();

    this.getConversations(this.start, this.pageSize, false);

    if (this.timer === null && that.getTimeout() > 0) {
      this.timeoutDelay = 0;
      this.timer = setTimeout(function tick() {
        that.getConversations(that.topLimit, that.pageSize, true);
        that.timeoutDelay += that.getTimeout();
        if (that.topLimitUpdated) {
          that.timeoutDelay = 0;
        }
        that.timer = setTimeout(tick, that.getTimeout() + that.timeoutDelay);
      }, that.getTimeout() + that.timeoutDelay);
    }
  }

  getTimeout() {
    return 0;
  }

  getTimeoutUpper() {
    return 0;
  }

  showConversationLoader() {
    // Do nothing
  }

  hideConversationLoader() {
    // Do nothing
  }

  search(callBackData) {
    this.searchTerm = $(`#${this.getTableName()}_search`).val();

    this.get(callBackData);
  }
}

export default ConversationsAdapter;