<?php

namespace App\Services\Analytics;

/**
 * Результат построения отчёта: описания колонок, строки и итоги.
 */
readonly class AnalyticsResult
{
    /**
     * @param  Column[]  $columns
     * @param  array<int,array<string,mixed>>  $rows
     * @param  array<string,mixed>  $totals
     */
    public function __construct(
        public array $columns,
        public array $rows,
        public array $totals = [],
    ) {}

    /** @return array<string,mixed> */
    public function toArray(): array
    {
        return [
            'columns' => array_map(fn (Column $c) => $c->toArray(), $this->columns),
            'rows' => $this->rows,
            'totals' => $this->totals,
        ];
    }
}