/*! © Edouard Labre - datatables.net/license */

import jQuery from 'jquery';
import DataTable from 'datatables.net';

// Allow reassignment of the $ variable
let $ = jQuery;

/**
 * This plugin jumps to the right page of the DataTable to show the required row
 *
 * @version 1.0
 * @name row().show()
 * @summary See the row in datable by display the right pagination page
 * @author [Edouard Labre](http://www.edouardlabre.com)
 *
 * @param {void} a row must be selected
 * @returns {DataTables.Api.Rows} DataTables Rows API instance
 *
 * @example
 *    // Add an element to a huge table and go to the right pagination page
 *    var table = $('#example').DataTable();
 *    var new_row = {
 *      DT_RowId: 'row_example',
 *      name: 'example',
 *      value: 'an example row'
 *    };
 *
 *    table.row.add( new_row ).draw().show().draw(false);
 */
DataTable.Api.register('row().show()', function () {
    var page_info = this.table().page.info();
    // Get row index
    var new_row_index = this.index();
    // Row position
    var row_position = this.table()
        .rows({ search: 'applied' })[0]
        .indexOf(new_row_index);
    // Already on right page ?
    if ((row_position >= page_info.start && row_position < page_info.end) ||
        row_position < 0) {
        // Return row object
        return this;
    }
    // Find page number
    var page_to_display = Math.floor(row_position / this.table().page.len());
    // Go to that page
    this.table().page(page_to_display);
    // Return row object
    return this;
});


export default DataTable;
