<?php

namespace App\DataTables;

use App\Models\Favorite;
use Illuminate\Support\Facades\DB;
use Yajra\DataTables\Html\Button;
use Yajra\DataTables\Html\Column;
use Yajra\DataTables\Services\DataTable;

class FavoritesDataTable extends DataTable
{
    private $selectedType;

    /**
     * Build DataTable class.
     *
     * @param  mixed  $query  Results from query() method.
     * @return \Yajra\DataTables\DataTableAbstract
     */
    public function dataTable($query)
    {
        return datatables()
            ->query($query)
            ->filterColumn('name', function ($query, $keyword) {
                $sql = 'target.'.$this->selectedType['title'].' like ?';
                $query->whereRaw($sql, ["%{$keyword}%"]);
            })
            ->editColumn('number', function ($query) {
                return to_persian_numbers($query->number);
            })
            ->addIndexColumn();
    }

    public function query()
    {
        $type = in_array($this->request()->get('type'), collect(Favorite::TYPE)->pluck('table')->toArray()) ? $this->request()->get('type') : 'products';

        $this->selectedType = Favorite::getTypeByTable($type);

        return DB::table('favorites')
            ->join($this->selectedType['table'].' as target', 'favorites.favoritable_id', '=', 'target.id')
            ->where('favorites.favoritable_type', $this->selectedType['className'])
            ->groupBy('target.id')
            ->selectRaw('target.id as id,
                                   target.'.$this->selectedType['title'].' as name,
                                   COUNT(favorites.favoritable_type) as number');
    }

    /**
     * Optional method if you want to use html builder.
     *
     * @return \Yajra\DataTables\Html\Builder
     */
    public function html()
    {
        return $this->builder()
            ->setTableId('favorites-table')
            ->columns($this->getColumns())
            ->minifiedAjax()
            ->dom('Bfrtip')
            ->orderBy(2)
            ->language(asset('vendor/datatables/Persian.json'))
            ->buttons(
                Button::make('excel'),
                Button::make('print'),
                Button::make('reset'),
                Button::make('reload')
            );
    }

    /**
     * Get columns.
     *
     * @return array
     */
    protected function getColumns()
    {
        return [
            Column::make('DT_RowIndex')
                ->title('#')
                ->orderable(false)
                ->searchable(false),
            Column::make('name')->title('عنوان'),
            Column::make('number')->title('تعداد')->searchable(false),
        ];
    }

    /**
     * Get filename for export.
     *
     * @return string
     */
    protected function filename()
    {
        return 'Favorites_'.date('YmdHis');
    }
}