<?php

namespace Vonage\Verify2\VerifyObjects;

use Vonage\Entity\Hydrator\ArrayHydrateInterface;

class VerificationWorkflow implements ArrayHydrateInterface
{
    public const WORKFLOW_SMS = 'sms';
    public const WORKFLOW_WHATSAPP = 'whatsapp';
    public const WORKFLOW_WHATSAPP_INTERACTIVE = 'whatsapp_interactive';
    public const WORKFLOW_VOICE = 'voice';
    public const WORKFLOW_EMAIL = 'email';
    public const WORKFLOW_SILENT_AUTH = 'silent_auth';

    protected array $allowedWorkflows = [
        self::WORKFLOW_SMS,
        self::WORKFLOW_WHATSAPP,
        self::WORKFLOW_WHATSAPP_INTERACTIVE,
        self::WORKFLOW_VOICE,
        self::WORKFLOW_EMAIL,
        self::WORKFLOW_SILENT_AUTH
    ];

    public function __construct(
        protected string $channel,
        protected string $to,
        protected string $from = '',
        protected array $customKeys = []
    ) {
        if (! in_array($channel, $this->allowedWorkflows, true)) {
            throw new \InvalidArgumentException($this->channel . ' is not a valid workflow');
        }

        if ($this->isInvalidFromValue($this->from)) {
            throw new \InvalidArgumentException($this->from . ' is not a valid from value');
        }
    }

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

    public function setChannel(string $channel): static
    {
        $this->channel = $channel;

        return $this;
    }

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

    public function setTo(string $to): static
    {
        $this->to = $to;

        return $this;
    }

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

    public function setFrom(string $from): static
    {
        $this->from = $from;

        return $this;
    }

    public function fromArray(array $data): static
    {
        $this->channel = $data['channel'];
        $this->to = $data['to'];

        if (array_key_exists('from', $data)) {
            $this->from = $data['from'];
        }

        return $this;
    }

    public function toArray(): array
    {
        $returnArray = [
            'channel' => $this->getChannel(),
            'to' => $this->getTo()
        ];

        if (!empty($this->getFrom())) {
            $returnArray['from'] = $this->getFrom();
        }

        if (!empty($this->customKeys)) {
            foreach ($this->customKeys as $key => $value) {
                $returnArray[$key] = $value;
            }
        }

        return $returnArray;
    }

    public function getCustomKeys(): array
    {
        return $this->customKeys;
    }

    public function setCustomKeys(array $customKeys): self
    {
        $this->customKeys = $customKeys;

        return $this;
    }

    protected function isInvalidFromValue(string $fromValue): bool
    {
        if ($fromValue === '') {
            // This is a null value and doesn't need to be validated
            return false;
        }

        if (($this->channel === self::WORKFLOW_EMAIL) && filter_var($fromValue, FILTER_VALIDATE_EMAIL)) {
            return false;
        }

        if (is_numeric($fromValue)) {
            $length = strlen($fromValue);

            return $length < 11 || $length > 15;
        }

        if (ctype_alnum($fromValue)) {
            $length = strlen($fromValue);

            return $length < 3 || $length > 11;
        }

        return true;
    }
}