exports.id = 'slack_connector';
exports.title = 'Slack_Connector';
exports.version = '1.0.0';
exports.group = 'Worksys';
exports.color = '#888600';
exports.input = 1;
exports.output = 1;
exports.click = false;
exports.author = 'Jakub Klena';
exports.icon = 'sign-out';
exports.options = { slack_channel: "C071KN2Q8SK", api_key: "", bot_name: "Flow DEMO", bot_icon: ":totaljs:" };
// Slack channel - where to post the messages, can be name like "backend-alerts"
// Bot Name - Name of the "user" that will post these messages, it should be based on which server it is running on.
// Bot Icon - We can use any slack icon (even custom ones uploaded by us) as the "user" profile picture

exports.html = `<div class="padding">
	<div class="row">
		<div class="col-md-6">
			<div data-jc="textbox" data-jc-path="slack_channel" data-jc-config="placeholder:name or id;required:true" class="m">Slack Channel</div>
		</div>
	</div>
	<div class="row">
		<div class="col-md-6">
			<div data-jc="textbox" data-jc-path="api_key" data-jc-config="placeholder:api key;required:true" class="m">API Key:</div>
		</div>
	</div>
    <div class="row">
		<div class="col-md-6">
			<div data-jc="textbox" data-jc-path="bot_name" data-jc-config="placeholder:Flow DEMO;required:false" class="m">Bot Name</div>
		</div>
		<div class="col-md-6">
			<div data-jc="textbox" data-jc-path="bot_icon" data-jc-config="placeholder:\:totaljs\:;required:true" class="m">Bot Icon</div>
		</div>
	</div>
</div>`;

exports.readme = `Sends any string received on input to Slack Channel.`;

var log4js = require("log4js");
var path = require('path');

log4js.configure({
  appenders: {
    errLogs: { type: 'file', compress:true, daysToKeep: 2, maxLogSize: 1048576, backups: 1, keepFileExt: true, filename: path.join(__dirname + "/../", 'err.txt') },
    monitorLogs: { type: 'file', compress:true, daysToKeep: 2, maxLogSize: 1048576, backups: 1, keepFileExt: true, filename: path.join(__dirname + "/../", 'monitor.txt') },
    console: { type: 'console' }
  },
  categories: {
    errLogs: { appenders: ['console', 'errLogs'], level: 'error' },
    monitorLogs: { appenders: ['console', 'monitorLogs'], level: 'trace' },
    //another: { appenders: ['console'], level: 'trace' },
    default: { appenders: ['console'], level: 'trace' }
  }
});

const errLogger = log4js.getLogger("errLogs");
const logger = log4js.getLogger();
const monitor = log4js.getLogger("monitorLogs");

exports.install = function(instance) {
  process.on('uncaughtException', function (err) {
    errLogger.error('uncaughtException:', err.message);
    errLogger.error(err.stack);
    instance.error(err);
  });

  instance.on('data', function(data) {
    let str = String(data); // Ensuring data get converted to string
    let message = `{
        channel: ${instance.options.slack_channel},
        username: ${instance.options.bot_name},
        icon_emoji: ${instance.options.bot_icon},
        text: ${str}
    }`;
    let headers = {
		'Content-type': `application/json`,
		'Authorization': `Bearer ${instance.options.api_key}`
	};

    if (F.is4) {
        let opt = {
            'method': 'post',
            'url': 'https://slack.com/api/chat.postMessage',
            'headers': headers,
            'cookies': null,
            'body': JSON.stringify(message),
            'type': 'json',
            'callback': function(err, response) {
                if (response && !err) {
                    var msg = { data: response.body, status: response.status, headers: response.headers, host: response.host, cookies: response.cookies };
                    instance.send2(msg);
                } else if (err)
                    errLogger.error('Slack post failed - err:', err, '\n - response was:', response);
                    instance.error(err, response);
            }
        };
        REQUEST(opt);

    } else {

        U.request('https://slack.com/api/chat.postMessage', ['json', 'post'], JSON.stringify(message), function(err, data, status, headers, host) {
            console.log("err: ", err);
            console.log("resp: ", response);
            if (response && !err) {
                response.data = { data: data, status: status, headers: headers, host: host };
                instance.send2(response);
            } else if (err) {
                errLogger.error('Slack post failed - err:', err, '\n - response was:', response);
                instance.error(err, response);
            }
        }, null, headers);
    }
  });
}