<?php

namespace App\Module\Friend\AdminControllers\Helper;

use Dcat\Admin\Grid;
use Dcat\Admin\Grid\Column;

/**
 * 表格助手类
 *
 * 用于辅助构建后台表格
 */
class GridHelper
{
    /**
     * Grid 实例
     *
     * @var Grid
     */
    protected $grid;

    /**
     * 构造函数
     *
     * @param Grid $grid
     */
    public function __construct(Grid $grid)
    {
        $this->grid = $grid;
    }

    /**
     * 创建实例
     *
     * @param Grid $grid
     * @return static
     */
    public static function make(Grid $grid)
    {
        return new static($grid);
    }

    /**
     * 添加ID列
     *
     * @param string $label
     * @return Column
     */
    public function id(string $label = 'ID'): Column
    {
        return $this->grid->column('id', $label);
    }

    /**
     * 添加普通列
     *
     * @param string $name
     * @param string $label
     * @return Column
     */
    public function column(string $name, string $label): Column
    {
        return $this->grid->column($name, $label);
    }

    /**
     * 添加操作列
     *
     * @param string $label
     * @return Column
     */
    public function actions(string $label = '操作'): Column
    {
        return $this->grid->column('actions', $label);
    }

    /**
     * 添加批量操作
     *
     * @param string $title
     * @param callable $callback
     * @return Grid\Tools\BatchAction
     */
    public function batchAction(string $title, callable $callback)
    {
        return $this->grid->batchActions(function (Grid\Tools\BatchActions $actions) use ($title, $callback) {
            $actions->add($title, $callback);
        });
    }

    /**
     * 添加工具按钮
     *
     * @param string $title
     * @param callable $callback
     * @return Grid\Tools\ToolButton
     */
    public function toolButton(string $title, callable $callback)
    {
        return $this->grid->tools(function (Grid\Tools $tools) use ($title, $callback) {
            $tools->append($callback($tools->button($title)));
        });
    }

    /**
     * 添加导出按钮
     *
     * @param string $title
     * @param string $filename
     * @param array $columns
     * @return Grid
     */
    public function export(string $title, string $filename, array $columns = [])
    {
        return $this->grid->export()->filename($filename)->titles($columns)->rows(function (array $rows) {
            return $rows;
        });
    }

    /**
     * 添加快速创建
     *
     * @param callable $callback
     * @return Grid\Tools\QuickCreate
     */
    public function quickCreate(callable $callback)
    {
        return $this->grid->quickCreate(function (Grid\Tools\QuickCreate $create) use ($callback) {
            $callback($create);
        });
    }

    /**
     * 添加分页
     *
     * @param int $perPage
     * @return Grid
     */
    public function paginate(int $perPage = 20)
    {
        return $this->grid->paginate($perPage);
    }

    /**
     * 添加排序
     *
     * @param string $column
     * @param string $direction
     * @return Grid
     */
    public function orderBy(string $column, string $direction = 'desc')
    {
        return $this->grid->orderBy($column, $direction);
    }

    /**
     * 添加模型查询
     *
     * @param callable $callback
     * @return Grid
     */
    public function model(callable $callback)
    {
        return $this->grid->model()->where($callback);
    }
}