import Component from '@ember/component';
//@ts-ignore
import template from './template';
import { computed } from '@ember/object';
import { isEmpty, isNone } from '@ember/utils';
import { get } from '@ember/object';

export default class UiCombobox extends Component {
  layout = template;
  tagName: string = '';

  selected!: any;
  onSelect!: Function;
  onDeselect!: Function;
  labelPath?: string = '';
  isLoading?: boolean = false;
  isDisabled?: boolean = false;
  options?: Array<any> = [];
  placeholder?: string = 'Please choose';
  triggerComponent?: any = null;
  optionComponent?: any = null;
  hasTitle?: boolean = true;
  hasFilter?: boolean = true;
  title?: string = 'Select options';
  filter?: string = '';

  @computed('selected.[]', 'labelPath', 'placeholder')
  get triggerLabel(): string {
    if (isEmpty(this.selected) && !isNone(this.placeholder)) {
      return this.placeholder;
    }

    let selectedCount = get(this.selected, 'length');
    if (selectedCount > 1) {
      return `${selectedCount} selected...`;
    }
    let value = get(this.selected, 'firstObject');

    if (!isEmpty(this.labelPath) && !isNone(this.labelPath)) {
      return get(value, this.labelPath);
    }

    return value;
  }

  @computed('options.[]', 'filter')
  get filteredOptions(): Array<any> {
    if (isNone(this.options)) {
      return [];
    }

    if (isNone(this.filter)) {
      return this.options;
    }

    return this.options.filter((option) => {
      let label = option;
      if (!isEmpty(this.labelPath) && !isNone(this.labelPath)) {
        label = get(option, this.labelPath);
      }
      //@ts-ignore
      return label.toLowerCase().includes(this.filter.toLowerCase());
    });
  }
}