<?php

namespace App\Services\Analytics;

/**
 * Колонка результата отчёта (для таблицы и графика).
 */
readonly class Column
{
    /**
     * @param  'dimension'|'measure'|'period'  $kind
     * @param  'string'|'date'|'number'|'money'|'percent'  $type
     */
    public function __construct(
        public string $key,
        public string $label,
        public string $kind,
        public string $type,
        public ?string $unit = null,
    ) {}

    /** @return array<string,mixed> */
    public function toArray(): array
    {
        return [
            'key' => $this->key,
            'label' => $this->label,
            'kind' => $this->kind,
            'type' => $this->type,
            'unit' => $this->unit,
        ];
    }
}