<?php

declare(strict_types=1);

namespace Kreait\Firebase\Messaging;

use Kreait\Firebase\Exception\InvalidArgumentException;

use function implode;
use function mb_strtolower;

final class MessageTarget
{
    public const CONDITION = 'condition';
    public const TOKEN = 'token';
    public const TOPIC = 'topic';

    /** @internal */
    public const UNKNOWN = 'unknown';
    public const TYPES = [
        self::CONDITION, self::TOKEN, self::TOPIC, self::UNKNOWN,
    ];
    private string $type;
    private string $value;

    private function __construct(string $type, string $value)
    {
        $this->type = $type;
        $this->value = $value;
    }

    /**
     * Create a new message target with the given type and value.
     *
     * @throws InvalidArgumentException
     */
    public static function with(string $type, string $value): self
    {
        $targetType = mb_strtolower($type);

        switch ($targetType) {
            case self::CONDITION:
                $targetValue = (string) Condition::fromValue($value);

                break;

            case self::TOKEN:
                $targetValue = (string) RegistrationToken::fromValue($value);

                break;

            case self::TOPIC:
                $targetValue = (string) Topic::fromValue($value);

                break;

            case self::UNKNOWN:
                $targetValue = $value;

                break;

            default:
                throw new InvalidArgumentException("Invalid target type '{$type}', valid types: ".implode(', ', self::TYPES));
        }

        return new self($targetType, $targetValue);
    }

    public function type(): string
    {
        return $this->type;
    }

    public function value(): string
    {
        return $this->value;
    }
}