<?php

namespace App\DataTables;

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

class DiscountUsersDataTable extends DataTable
{
    /**
     * Build DataTable class.
     *
     * @param  mixed  $query  Results from query() method.
     * @return \Yajra\DataTables\DataTableAbstract
     */
    public function dataTable($query)
    {
        return datatables()
            ->query($query)
            ->addColumn('action', function ($query) {
                $abilities = [
                    'discount-orders' => route('admin.orders.index', ['user_id' => $query->user_id, 'discount_id' => $query->discount_id]),
                ];

                return view('admin.partials.datatables-btns', compact('abilities'));
            })
            ->editColumn('price', function ($query) {
                return to_persian_numbers(number_format($query->price));
            })
            ->editColumn('use_number', function ($query) {
                return to_persian_numbers($query->use_number);
            })
            ->editColumn('users.name', function ($query) {
                return to_persian_numbers($query->name);
            })
            ->addIndexColumn();
    }

    public function query()
    {
        $discount_id = (int) request()->segment(count(request()->segments()));

        return DB::table('discount_user as du')
            ->leftjoin('users', 'du.user_id', '=', 'users.id')
            ->leftjoin('orders', function ($join) {
                $join->on('du.discount_id', '=', 'orders.discount_id')
                    ->whereRaw('du.user_id = orders.user_id');
            })
            ->where('du.discount_id', $discount_id)
            ->groupBy('users.id')
            ->selectRaw('du.user_id as user_id,
                                   du.discount_id as discount_id,
                                   users.name as name,
                                   du.usage as use_number,
                                   SUM(orders.discount_code_price) as price');
    }

    /**
     * Optional method if you want to use html builder.
     *
     * @return \Yajra\DataTables\Html\Builder
     */
    public function html()
    {
        return $this->builder()
            ->setTableId('discount-users-table')
            ->columns($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('users.name')->title('کاربر'),
            Column::make('use_number')->title('تعداد استفاده')->searchable(false),
            Column::make('price')->title('تخفیف دریافتی (تومان)')->searchable(false),
            Column::computed('action')
                ->exportable(false)
                ->printable(false)
                ->title('عملیات'),
        ];
    }

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