<?php

namespace App\Http\Livewire\Traits;

trait WithSort {

	/**
	 * Sort column
	 */
	public string $sort = '';

	/**
	 * Sort direction
	 */
	public string $dir = 'asc';

	/**
     * Sort by column.
	 */
	public function sort($column)
	{
		if (!array_key_exists($column, $this->sort_columns)) {
			return;
		}

		if ($this->sort === $column) {
			$this->dir = $this->dir === 'asc' ? 'desc' : 'asc';
		} else {
			$this->sort = $column;
			$this->reset('dir');
		}
	}

	protected function sortApply($query)
	{
		// No sorting. bail out.
		if (!strlen($this->sort)) {
			return;
		}

		$columns = $this->sort_columns[$this->sort];

		if (!is_array($columns)) {
			$columns = [ $columns ];
		}

		foreach($columns as $column) {
			$query->orderBy($column, $this->dir);
		}
	}
}