const util = require('util');
var res = require("res");
var rawjs = require("raw.js");
var reddit = new rawjs("raw.js example script");
var http = require("http");
const snoowrap = require('snoowrap');
var r = new snoowrap({
    userAgent: 'script',
    clientId: 'xxx',
    clientSecret: 'xxx',
    username: 'xxx',
    password: 'xxx'
});

//HTTP SERVER
http.createServer(function(request, response) {
    console.log("I got kicked");
    response.writeHeader(200, {
        "Content-Type": "text/plain"
    });
    response.end();
}).listen(8080);
console.log("Server Running on 8080");

//OAUTH2 Setup
reddit.setupOAuth2("xxx", "xxx");

//global variables and objects
var LastPostRun = {
    name: ''
};

function criticalError(message) {
  console.log(message);
  return process.exit();
};


//GET LATEST POSTS
function newPosts(sub) {
    reddit.new({
        r: sub,
        limit: 1
    }, function(err, res) {
        //error handling
        if (err || res.children == null || res.children.length == 0) return CriticalError('Unable to scan for posts in /r/' + sub + ' .  Error: ' + err);
        //set the latest post's unique name to global variable
        LastPostRun.name = res.children[0].data.name;

        //checking if a new post has been made
        if (res.children[0].data.name != LastPostRun.name) {
            console.log('new post has been made');
            grabSubmissionCount(res.children[0].data.author, sub);
        }
    });
}

///COUNT NUMBER OF SUBMISSIONS
function grabSubmissionCount(author, sub) {
    reddit.userLinks({
        user: author,
        limit: 100
    }, function(err, res) {
      if (err || res.children == null || res.children.length == 0 || res.children[] == null) return CriticalError('Unable to scan for posts in /r/' + sub + ' .  Error: ' + err);
        var postCount;
        for (x = 0; x < res.children.length; x++) {
            if (res.children[x].data.subreddit === sub) {
                postCount++;
            }
        }
        addFlair(author, sub, postCount);
    });
}

//add flair -- snoowrap
function addFlair(user, sub, postCount) {
    if (postCount >= 3 && postCount < 25) {
        r.getSubreddit(sub).setMultipleUserFlairs([{
                name: user,
                text: 'Novice',
                cssClass: 'novice'
            },
        ]);
        console.log('asdded');
        LastPostRun.name = res.children[0].data.name;
    } else {
        console.log('no flair assigned');
    }
}

//REDDIT AUTHORIZATION
reddit.auth({
    "username": "xxx",
    "password": "xxx"
}, function(err, response) {
  if (err) return CriticalError('Unable to scan for posts in /r/' + subverse + ' .  Error: ' + err);
        else {
        console.log('Authenticated');
        newPosts('BannedFromCoC');
    }
});

// Either as one line
if (err || res.children == null || res.children.length == 0 || res.children[] == null) return CriticalError('Unable to scan for posts in /r/' + subverse + ' .  Error: ' + err);

// Or as two
if (err || res.children == null || res.children.length == 0)
  return CriticalError('Unable to scan for posts in /r/' + subverse + ' .  Error: ' + err);