<?php
require_once '../vendor/autoload.php';

$numbersInput = [7,3];

$battery = new Battery(BatteryType::AA, $numbersOfBattery);
$calculator = new Calculator();


$calculator->setNumbers([3,4]);
$result = $calculator->multiple();
echo '      ';
echo $result;
echo $calculator->checkBattery();


echo '      ';

$calculator->setNumbers([7,2]);
$result = $calculator->divide();

echo '      ';
echo $result;
echo $calculator->checkBattery();

$calculator->setNumbers([7,2]);
$result = $calculator->divide();
echo '      ';
echo $result;
echo $calculator->checkBattery();


$calculator->setNumbers([7,2]);
$result = $calculator->divide();
echo '      ';
echo $result;
echo $calculator->checkBattery();


$calculator->setNumbers([7,2]);
$result = $calculator->divide();
echo '      ';
echo $result;
echo $calculator->checkBattery();

$calculator->setNumbers([7,2]);
$result = $calculator->divide();
echo '      ';
echo $result;
echo $calculator->checkBattery();

class Calculator {

	private array $numbers;

	private int $battery = 100;

	public function __construct(private Battery $battery) {

	}

	public function setNumbers(array $numbers): void {
		$this->numbers = $numbers;
	}

	private function batteryComsumption(): void {
		$this->battery -= $this->battery->batteryComsumption();
		if($this->battery < 0) {
			throw new Exception('No battery');
		}
	}

	public function checkBattery(): string {
		return 'Battery Level: '.$this->battery."\n";
	}

	/**
	 * @return int
	 */
	public function multiple(): int {
		$this->batteryComsumption();

		$multiple = $this->numbers[0];
		unset($this->numbers[0]);
		foreach($this->numbers as $number) {
			$multiple *= $number;
		}

		return $multiple;
	}

	public function divide(): float {
		$this->batteryComsumption();

		$divide = $this->numbers[0];
		unset($this->numbers[0]);
		foreach($this->numbers as $number) {
			$divide /= $number;
		}

		return $divide;
	}
}

class Battery {
	public function __construct(private BatteryType $batteryType, private int $numbersOfBattery): void
	{}

	public function batteryComsumption(): int
	{
		$comsuption = match($this->batteryType) {
			BatteryType::AA => 25,
			BatteryType::AAA => 50,
		};
		return $comsuption/$this->numbersOfBattery;
	}
}

Enum BatteryType{
	case AA;
	case AAA;
}