import {injectorBridge} from "../../../angular/angular-injector-bridge.functions";
import {States} from "../../../states.service";
import {rowClassName} from "../../builders/rows/single-row-builder";
import {checkedClassName} from "../../builders/ui-state-link-builder";
import {rowId} from "../../helpers/wp-table-row-helpers";
import {WorkPackageTableSelection} from "../../state/wp-table-selection.service";
import {WorkPackageTable} from "../../wp-fast-table";
import {WPTableRowSelectionState} from "../../wp-table.interfaces";

export class SelectionTransformer {
  public wpTableSelection:WorkPackageTableSelection;
  public states:States;

  constructor(table:WorkPackageTable) {
    injectorBridge(this);

    this.wpTableSelection.selectionState.values$()
      .takeUntil(this.states.table.stopAllSubscriptions)
      .subscribe((state: WPTableRowSelectionState) => {
        this.renderSelectionState(state);
      });

    // Bind CTRL+A to select all work packages
    Mousetrap.bind(['command+a', 'ctrl+a'], (e) => {
      this.wpTableSelection.selectAll(table.rows);

      e.preventDefault();
      return false;
    });

    // Bind CTRL+D to deselect all work packages
    Mousetrap.bind(['command+d', 'ctrl+d'], (e) => {
      this.wpTableSelection.reset();
      e.preventDefault();
      return false;
    });
  }

  /**
   * Update all currently visible rows to match the selection state.
   */
  private renderSelectionState(state:WPTableRowSelectionState) {
    jQuery(`.${rowClassName}.${checkedClassName}`).removeClass(checkedClassName);

    _.each(state.selected, (selected: boolean, workPackageId:any) => {
      jQuery(`#${rowId(workPackageId)}`).toggleClass(checkedClassName, selected);
    });
  }
}

SelectionTransformer.$inject = ['wpTableSelection', 'states'];