<?php

namespace IpSupply\ChatMessage\Api\Controller;

use GuzzleHttp\Client;
use GuzzleHttp\Psr7\Request as GuzzRequest;
use IpSupply\ChatMessage\Api\Interface\MessageApiInterface;
use IpSupply\ChatMessage\Config\ChatConfig;
use Magento\Framework\App\Helper\AbstractHelper;
use Magento\Framework\App\Helper\Context;
use Magento\Framework\Webapi\Rest\Request;

class MessageApi extends AbstractHelper implements MessageApiInterface {
	protected $_request;
	protected $_chatConfig;

	public function __construct(Context $context, Request $request) {
		$this->_request = $request;
		// $this->_chatConfig = $_chatConfig;
		parent::__construct($context);
	}

	public function getMessage() {
      	try {
      		$topic = $this->_request->getParams()["topic"];
      		$streamName = $this->_chatConfig->getStreamName();
      		$client = new Client();
      		$headers = [
			  'Authorization' => $this->_chatConfig->getZulipAuthToken()
			];
			$url = $this->_chatConfig->getHostDomain().'api/v1/messages?anchor=newest&num_before=100&num_after=0&narrow=[{"operator":"stream","operand":"'.$streamName.'"},{"operator":"topic","operand":"'.$topic.'"}]&apply_markdown=false';
			$request = new GuzzRequest('GET', $url, $headers);
			$promise = $client->sendAsync($request)->then(function ($response) {
				echo $response->getBody();
				exit();
			});
			$promise->wait();
      	}
      	catch (\Exception $e) {
      		return json_encode(["code" => 500, "message" => "Error".$e]);
      	}
	}

	public function getMessageUnRead() {
      	try {
      		$topic = $this->_request->getParams()["topic"];
      		$streamName = $this->_chatConfig->getStreamName();
      		$client = new Client();
      		$headers = [
			  'Authorization' => $this->_chatConfig->getZulipAuthToken()
			];
			$url = $this->_chatConfig->getHostDomain().'api/v1/messages?anchor=first_unread&num_before=0&num_after=99&narrow=[{"operator":"stream","operand":"'.$streamName.'"},{"operator":"topic","operand":"'.$topic.'"}]&apply_markdown=false';
			$request = new GuzzRequest('GET', $url, $headers);
			$promise = $client->sendAsync($request)->then(function ($response) {
				echo $response->getBody();
				exit();
			});
			$promise->wait();
      	}
      	catch (\Exception $e) {
      		return json_encode(["code" => 500, "message" => "Error".$e]);
      	}
	}

	public function registerQueue() {
		try {
			$topic = $this->_request->getParams()["topic"];
			$streamName = $this->_chatConfig->getStreamName();
      		$client = new Client();
      		$headers = [
			  'Authorization' => $this->_chatConfig->getZulipAuthToken()
			];
			$options = [
			    'multipart' => [
				    [
				      'name' => 'event_types',
				      'contents' => '["message"]',
				    ],
				    [
				    	'name' => 'narrow',
				    	'contents' => '[["stream", "'.$streamName.'"], ["topic", "'.$topic.'"]]',
				    ]
				]
			];
			$request = new GuzzRequest('POST', $this->_chatConfig->getHostDomain().'api/v1/register', $headers);
			$promise = $client->sendAsync($request, $options)->then(function ($response) {
				echo $response->getBody();
				exit();
			});
			$promise->wait();
      	}
      	catch (\Exception $e) {
      		return json_encode(["code" => 500, "message" => "Error".$e]);
      	}
	}

	public function listenMessage() {
		try {
			$params = $this->_request->getParams();
			$queueId = $params["queue_id"];
			$lastEventId = $params["last_event_id"];
			$client = new Client();
      		$headers = [
			  'Authorization' => $this->_chatConfig->getZulipAuthToken()
			];
			$url = $this->_chatConfig->getHostDomain().'api/v1/events?queue_id='.$queueId.'&last_event_id='.$lastEventId;
			$request = new GuzzRequest('GET', $url, $headers);
			$promise = $client->sendAsync($request)->then(function ($response) {
				echo $response->getBody();
				exit();
			});
			$promise->wait();
		}
		catch (\Exception $e) {
      		return json_encode(["code" => 500, "message" => "Error".$e]);
      	}
	}

	public function sendMessage() {
      	try {
      		$params = $this->_request->getParams();
			$content = $params["content"];
			$topic = $params["topic"];
			$streamName = $this->_chatConfig->getStreamName();

			$client = new Client();
      		$headers = [
			  'Authorization' => $this->_chatConfig->getZulipAuthToken()
			];
			$url = $this->_chatConfig->getHostDomain().'api/v1/messages';
			$options = [
			    'multipart' => [
				    [
				      'name' => 'to',
				      'contents' => $streamName,
				    ],
				    [
				    	'name' => 'type',
				    	'contents' => 'stream',
				    ],
				    [
				    	'name' => 'topic',
				    	'contents' => $topic,
				    ],
				    [
				    	'name' => 'content',
				    	'contents' => $content,
				    ]
				]
			];
			$request = new GuzzRequest('POST', $url, $headers);
			$promise = $client->sendAsync($request, $options)->then(function ($response) {
				return json_encode(["code" => 200, "message" => "Success"]);
			});
			$promise->wait();
      	}
      	catch (\Exception $e) {
      		return json_encode(["code" => 500, "message" => "Error".$e]);
      	}
	}

	public function markTopicAsRead() {
		try {
      		$params = $this->_request->getParams();
			$topic = $params["topic"];
			$streamID = $this->_chatConfig->getStreamID();

			$client = new Client();
      		$headers = [
			  'Authorization' => $this->_chatConfig->getZulipAuthToken()
			];
			$url = $this->_chatConfig->getHostDomain().'api/v1/mark_topic_as_read';
			$options = [
			    'multipart' => [
				    [
				      'name' => 'stream_id',
				      'contents' => $streamID,
				    ],
				    [
				    	'name' => 'topic_name',
				    	'contents' => $topic,
				    ]
				]
			];
			$request = new GuzzRequest('POST', $url, $headers);
			$promise = $client->sendAsync($request, $options)->then(function ($response) {
				return json_encode(["code" => 200, "message" => "Success"]);
			});
			$promise->wait();
      	}
      	catch (\Exception $e) {
      		return json_encode(["code" => 500, "message" => "Error".$e]);
      	}
	}

	/**
	* Api for make offer
	* @param string[] $data
    * @return string
	*/
	public function makeAnOffer($data) {
		try {
			$topic = $data["customer-email"];
			// $streamName = $this->_chatConfig->getStreamMakeOffer();
			$streamName = $this->_chatConfig->getStreamName();
			$content = "Product: [".$data["product-sku"]."](".$data["product-url"].") \nSell Price: **".$data["product-sell-price"]."** \nCustomer Offer Price: **".$data["customer-offer"]."** \nCustomer: ".$data["customer-name"]." \nEmail: ".$data["customer-email"]." \nPhone: ".$data["customer-mobile-phone"]." \nCustomer shipping destination: ".$data["customer-country"]." \nMessage: ".$data["customer-message"];

			$client = new Client();
      		$headers = [
			  'Authorization' => $this->_chatConfig->getZulipAuthToken()
			];
			$url = $this->_chatConfig->getHostDomain().'api/v1/messages';
			$options = [
			    'multipart' => [
				    [
				      'name' => 'to',
				      'contents' => $streamName,
				    ],
				    [
				    	'name' => 'type',
				    	'contents' => 'stream',
				    ],
				    [
				    	'name' => 'topic',
				    	'contents' => $topic,
				    ],
				    [
				    	'name' => 'content',
				    	'contents' => $content,
				    ]
				]
			];
			$request = new GuzzRequest('POST', $url, $headers);
			$promise = $client->sendAsync($request, $options)->then(function ($response) {
				return true;
			});
			$promise->wait();
			return $request->getBody()->getContents();
		}
		catch (\Exception $e) {
      		return false;
      	}
	}
}