<?php


namespace wchat\base;


use wchat\common\Miniprogarampage;
use wchat\common\Result;

/**
 * Class Subject
 * @package wchat\base
 */
abstract class Subject extends Miniprogarampage
{


	private $keywords = [];
	private $templateId = '';
	private $openId = '';
	private $page = 'pages/index/index';
	private $emphasis_keyword = '';

	/**
	 * @param array $keywords
	 */
	public function setKeywords(array $keywords)
	{
		$this->keywords = $keywords;
	}

	/**
	 * @param $templateId
	 */
	public function setTemplateId($templateId)
	{
		$this->templateId = $templateId;
	}

	/**
	 * @param $openId
	 */
	public function setOpenId($openId)
	{
		$this->openId = $openId;
	}

	/**
	 * @param $page
	 */
	public function setPage($page)
	{
		$this->page = $page;
	}

	/**
	 * @param $emphasis_keyword
	 */
	public function setEmphasisKeyword($emphasis_keyword)
	{
		$this->emphasis_keyword = $emphasis_keyword;
	}

	/**
	 * @param $index
	 * @param $context
	 * @param $color
	 */
	public function replaceKeyword($index, $context, $color = '')
	{
		if (empty($color)) {
			$color = '#000';
		}
		$this->keywords['keyword' . $index] = [
			'value' => $context,
			'color' => $color
		];
	}


	/**
	 * @param $color
	 * @param $context
	 */
	public function addKeyword($context, $color = null)
	{
		if (empty($color)) {
			$color = '#000';
		}
		$this->keywords['keyword' . (count($this->keywords) + 1)] = [
			'value' => $context,
			'color' => $color
		];
	}

	abstract public function getUrl();

	/**
	 * @return Result
	 * @throws \Exception
	 */
	public function sendTemplate()
	{
		$url = $this->getUrl() . '?access_token=' . $this->config->getAccessToken();
		$params = [
			"touser"      => $this->openId,
			"template_id" => $this->templateId,
			"page"        => $this->page,
			"data"        => $this->keywords,
		];

		if (!empty($this->emphasis_keyword)) {
			$params['emphasis_keyword'] = $this->emphasis_keyword;
		}

		$params = json_encode($params, JSON_UNESCAPED_UNICODE);

		$this->request->setIsSSL(true);
		$this->request->addHeader('Content-Type', 'application/json');

		$this->request->setErrorField('errcode');
		$this->request->setErrorMsgField('errmsg');
		$result = $this->request->post($url, $params);
		$result->append('postBody', $params);

		return $this->reset($result);
	}

	/**
	 * @param $result
	 * @return mixed
	 */
	public function reset($result)
	{
		$this->openId = '';
		$this->keywords = [];
		$this->templateId = '';
		$this->page = '';

		return $result;
	}

}