<?php

namespace Alexr\Models\Traits;

use Alexr\Models\Customer;
use Alexr\Settings\WhatsappCustomMessage;
use Alexr\Whatsapp\WhatsappManager;

trait SendBookingWhatsappCustomMessages {

	use MapBookingFieldsToWhatsapp;

	/**
	 * Send a WhatsApp custom message to the customer
	 *
	 * @param int $customMessageId The ID of the WhatsappCustomMessage setting
	 * @param string|null $lang The language code for the template
	 * @param array $senderInfo Sender information
	 * @return array|false Result of the send operation or false on failure
	 */
	public function sendWhatsappCustomMessage($customMessageId, $lang = null, $senderInfo = ['sender_type' => 'system'])
	{
		if ($lang === null) {
			$lang = $this->language;
		}

		$booking = $this;

		// 1. Check custom message exists
		$restaurant_id = $booking->restaurant_id;

		$customMessage = WhatsappCustomMessage::where('restaurant_id', $restaurant_id)
		                                      ->where('id', $customMessageId)
		                                      ->first();

		if (!$customMessage) {
			return false;
		}

		// 2. Check custom message is active
		if (!$customMessage->isEnabled()) {
			return false;
		}

		// 3. Get template configuration for the language
		$templateConfig = $customMessage->getTemplateConfig($lang);

		if (!$templateConfig || empty($templateConfig['template_sid'])) {
			return false;
		}

		$templateSid = $templateConfig['template_sid'];
		$templateName = $templateConfig['template_name'] ?? '';
		$fieldMapping = $templateConfig['field_mapping'] ?? [];
		$staticValues = $templateConfig['static_values'] ?? [];

		// 4. Map booking fields to template variables, including static values
		$variables = $this->mapBookingFieldsToVariables($booking, $fieldMapping, null, $staticValues);

		// 5. Get customer phone
		$customerPhone = $this->getCustomerPhone($booking);

		if (empty($customerPhone)) {
			return false;
		}

		// 5b. Check if customer has WhatsApp
		if ($booking->customer_id) {
			$customer = Customer::find($booking->customer_id);
			if ($customer && !$customer->has_whatsapp) {
				return false;
			}
		}

		// 6. Send the WhatsApp template using WhatsappManager
		$manager = new WhatsappManager($booking->restaurant_id);

		$result = $manager->sendTemplate(
			$customerPhone,
			$templateSid,
			$variables,
			$booking->id,
			$booking->customer_id,
			$templateName,
			$senderInfo
		);

		// 7. Store the notification
		$this->storeWhatsappSent(
			$customerPhone,
			$templateName,
			$templateSid,
			$variables,
			$result,
			'whatsapp_custom_message',
			$customMessage->id
		);

		return $result;
	}
}