/* eslint-disable comma-dangle, space-before-function-paren, one-var, no-shadow, dot-notation, max-len */
/* global Cookies */
/* global List */

(() => {
  window.gl = window.gl || {};
  window.gl.issueBoards = window.gl.issueBoards || {};

  gl.issueBoards.BoardsStore = {
    disabled: false,
    filter: {
      path: '',
    },
    state: {},
    detail: {
      issue: {}
    },
    moving: {
      issue: {},
      list: {}
    },
    create () {
      this.state.lists = [];
      this.filter.path = gl.utils.getUrlParamsArray().join('&');
    },
    addList (listObj) {
      const list = new List(listObj);
      this.state.lists.push(list);

      return list;
    },
    new (listObj) {
      const list = this.addList(listObj);

      list
        .save()
        .then(() => {
          this.state.lists = _.sortBy(this.state.lists, 'position');
        });
      this.removeBlankState();
    },
    updateNewListDropdown (listId) {
      $(`.js-board-list-${listId}`).removeClass('is-active');
    },
    shouldAddBlankState () {
      // Decide whether to add the blank state
      return !(this.state.lists.filter(list => list.type !== 'done')[0]);
    },
    addBlankState () {
      if (!this.shouldAddBlankState() || this.welcomeIsHidden() || this.disabled) return;

      this.addList({
        id: 'blank',
        list_type: 'blank',
        title: 'Welcome to your Issue Board!',
        position: 0
      });

      this.state.lists = _.sortBy(this.state.lists, 'position');
    },
    removeBlankState () {
      this.removeList('blank');

      Cookies.set('issue_board_welcome_hidden', 'true', {
        expires: 365 * 10,
        path: ''
      });
    },
    welcomeIsHidden () {
      return Cookies.get('issue_board_welcome_hidden') === 'true';
    },
    removeList (id, type = 'blank') {
      const list = this.findList('id', id, type);

      if (!list) return;

      this.state.lists = this.state.lists.filter(list => list.id !== id);
    },
    moveList (listFrom, orderLists) {
      orderLists.forEach((id, i) => {
        const list = this.findList('id', parseInt(id, 10));

        list.position = i;
      });
      listFrom.update();
    },
    moveIssueToList (listFrom, listTo, issue, newIndex) {
      const issueTo = listTo.findIssue(issue.id);
      const issueLists = issue.getLists();
      const listLabels = issueLists.map(listIssue => listIssue.label);

      if (!issueTo) {
        // Add to new lists issues if it doesn't already exist
        listTo.addIssue(issue, listFrom, newIndex);
      } else {
        listTo.updateIssueLabel(issue, listFrom);
        issueTo.removeLabel(listFrom.label);
      }

      if (listTo.type === 'done') {
        issueLists.forEach((list) => {
          list.removeIssue(issue);
        });
        issue.removeLabels(listLabels);
      } else {
        listFrom.removeIssue(issue);
      }
    },
    moveIssueInList (list, issue, oldIndex, newIndex, idArray) {
      const beforeId = parseInt(idArray[newIndex - 1], 10) || null;
      const afterId = parseInt(idArray[newIndex + 1], 10) || null;

      list.moveIssue(issue, oldIndex, newIndex, beforeId, afterId);
    },
    findList (key, val, type = 'label') {
      return this.state.lists.filter((list) => {
        const byType = type ? list['type'] === type : true;

        return list[key] === val && byType;
      })[0];
    },
    updateFiltersUrl () {
      history.pushState(null, null, `?${this.filter.path}`);
    }
  };
})();
