/* eslint-disable no-new */
import Flash from '../flash';
import ProtectedBranchAccessDropdown from './protected_branch_access_dropdown';

export default class ProtectedBranchEdit {
  constructor(options) {
    this.$wrap = options.$wrap;
    this.$allowedToMergeDropdown = this.$wrap.find('.js-allowed-to-merge');
    this.$allowedToPushDropdown = this.$wrap.find('.js-allowed-to-push');
    this.onSelectCallback = this.onSelect.bind(this);

    this.buildDropdowns();
  }

  buildDropdowns() {
    // Allowed to merge dropdown
    this.protectedBranchAccessDropdown = new ProtectedBranchAccessDropdown({
      $dropdown: this.$allowedToMergeDropdown,
      data: gon.merge_access_levels,
      onSelect: this.onSelectCallback,
    });

    // Allowed to push dropdown
    this.protectedBranchAccessDropdown = new ProtectedBranchAccessDropdown({
      $dropdown: this.$allowedToPushDropdown,
      data: gon.push_access_levels,
      onSelect: this.onSelectCallback,
    });
  }

  onSelect() {
    const $allowedToMergeInput = this.$wrap.find(`input[name="${this.$allowedToMergeDropdown.data('fieldName')}"]`);
    const $allowedToPushInput = this.$wrap.find(`input[name="${this.$allowedToPushDropdown.data('fieldName')}"]`);

    // Do not update if one dropdown has not selected any option
    if (!($allowedToMergeInput.length && $allowedToPushInput.length)) return;

    this.$allowedToMergeDropdown.disable();
    this.$allowedToPushDropdown.disable();

    $.ajax({
      type: 'POST',
      url: this.$wrap.data('url'),
      dataType: 'json',
      data: {
        _method: 'PATCH',
        protected_branch: {
          merge_access_levels_attributes: [{
            id: this.$allowedToMergeDropdown.data('access-level-id'),
            access_level: $allowedToMergeInput.val(),
          }],
          push_access_levels_attributes: [{
            id: this.$allowedToPushDropdown.data('access-level-id'),
            access_level: $allowedToPushInput.val(),
          }],
        },
      },
      error() {
        new Flash('Failed to update branch!', 'alert', document.querySelector('.js-protected-branches-list'));
      },
    }).always(() => {
      this.$allowedToMergeDropdown.enable();
      this.$allowedToPushDropdown.enable();
    });
  }
}
