<?php

namespace Bluesquare\Push;

class PushTemplate implements \JsonSerializable
{
    /**
     * The template for the message
     *
     * @var string
     */
    public $template_id;

    /**
     * The sender for the message
     *
     * @var array
     */
    public $sender = [];

    /**
     * The recipients for the message
     *
     * @var array
     */
    public $recipients = [];

    /**
     * The attachments for the message
     *
     * @var array
     */
    public $attachments = [];

    /**
     * The reply address for the message
     *
     * @var array
     */
    public $replyTo = [];

    /**
     * The parameters for the message
     *
     * @var array
     */
    public $parameters = [];

    /**
     * @var bool Whether the message should not be sent
     */
    public $test_mode = false;

    /**
     * @var bool Mass mailing
     */
    public $bulk_mode = false;

    /**
     * @var string|null Template's locale
     */
    public $locale = null;

    /**
     * @var string|null Group unsubscribe URL
     */
    public $unsubscribe_url = null;

    /**
     * @param string $template_id
     * @return PushTemplate
     */
    public static function make(string $template_id)
    {
        return new self($template_id);
    }

    public function __construct(string $template_id)
    {
        $this->template_id = $template_id;
    }

    /**
     * @param string $email
     * @param string|null $name
     * @return $this
     */
    public function sender(string $email, ?string $name = null): PushTemplate
    {
        $this->sender['email'] = $email;

        if ($name)
            $this->sender['name'] = $name;

        return $this;
    }

    /**
     * @param string $email
     * @param string|null $name
     * @return $this
     */
    public function replyTo(string $email, ?string $name = null): PushTemplate
    {
        $this->replyTo['email'] = $email;

        if ($name)
            $this->replyTo['name'] = $name;

        return $this;
    }

    /**
     * @param array $recipients
     * @return $this
     */
    public function recipients(array $recipients): PushTemplate
    {
        if (! empty($recipients)) {
            foreach ($recipients as $recipient) {
                if (empty($recipient['email'])) {
                    continue;
                }

                $data = [
                    'email' => $recipient['email']
                ];

                if (! empty($recipient['name'])) {
                    $data['name'] = $recipient['name'];
                }

                if (! empty($recipient['parameters']) && is_array($recipient['parameters'])) {
                    $data['parameters'] = $recipient['parameters'];
                }

                if (! empty($recipient['unsubscribe_url'])) {
                    $data['unsubscribe_url'] = $recipient['unsubscribe_url'];
                }

                if (! empty($recipient['locale'])) {
                    $data['locale'] = $recipient['locale'];
                }

                $this->recipients[] = $data;
            }
        }

        return $this;
    }

    /**
     * @param string $email
     * @param string|null $name
     * @param array $parameters
     * @param string|null $unsubscribe_url
     * @return $this
     */
    public function addRecipient(string $email, ?string $name = null, array $parameters = [], ?string $unsubscribe_url = null, ?string $locale = null): PushTemplate
    {
        $data = [
            'email' => $email
        ];

        if (! is_null($name)) {
            $data['name'] = $name;
        }

        if (! empty($parameters)) {
            $data['parameters'] = $parameters;
        }

        if (! is_null($unsubscribe_url)) {
            $data['unsubscribe_url'] = $unsubscribe_url;
        }

        if (! is_null($locale)) {
            $data['locale'] = $locale;
        }

        $this->recipients[] = $data;

        return $this;
    }

    /**
     * @param array $parameters
     * @return $this
     */
    public function parameters(array $parameters): PushTemplate
    {
        $this->parameters = $parameters;

        return $this;
    }

    /**
     * @param array $attachments
     * @return $this
     */
    public function attachments(array $attachments): PushTemplate
    {
        foreach ($attachments as $attachment) {
            $this->addAttachment($attachment['path'] ?? $attachment['file'], $attachment['filename'] ?? null);
        }

        return $this;
    }

    /**
     * @param $file
     * @param $filename
     * @return $this
     */
    public function addAttachment($file, ?string $filename = null)
    {
        $file = is_object($file) && method_exists($file, 'getRealPath') ? $file->getRealPath() : $file;

        $this->attachments[] = [
            'path' => $file,
            'filename' => $filename ?? basename($file)
        ];

        return $this;
    }

    /**
     * @param string $key
     * @param string $value
     * @return $this
     */
    public function addParameter(string $key, string $value): PushTemplate
    {
        $this->parameters[$key] = $value;

        return $this;
    }

    /**
     * @param $bulk_mode
     * @return $this
     */
    public function bulkMode($bulk_mode = true)
    {
        $this->bulk_mode = $bulk_mode;

        return $this;
    }

    /**
     * @param $test_mode
     * @return $this
     */
    public function testMode($test_mode = true)
    {
        $this->test_mode = $test_mode;

        return $this;
    }

    /**
     * @param string|null $locale
     * @return $this
     */
    public function locale(?string $locale = null)
    {
        $this->locale = $locale;

        return $this;
    }

    public function unsubscribeUrl(?string $url = null)
    {
        $this->unsubscribe_url = $url;

        return $this;
    }

    /**
     * Get an array representation of the message.
     *
     * @return array
     */
    public function toArray(): array
    {
        return [
            'template' => $this->template_id,
            'locale' => $this->locale,
            'recipients' => $this->recipients,
            'parameters' => $this->parameters,
            'reply_to' => $this->replyTo,
            'sender' => $this->sender,
            'bulk' => $this->bulk,
            'test' => $this->test_mode,
            'unsubscribe_url' => $this->unsubscribe_url,
            'attachments' => $this->attachments,
        ];
    }

    public function jsonSerialize(): mixed
    {
        return $this->toArray();
    }
}