var username = 'Dominute';
var password = 'CheekyFireball8912';
var cL = 39; // How many pages long is ?Category=2 in the catalog? This will need updating every now-and-then.

var http = require('http');
var https = require('https');
var zlib = require('zlib');
var fs = require('graceful-fs');

var RSec = '';
var stringdump = '';

var y = 0;

var totalItems = 0;
var totalHats = 0;
var totalGear = 0;
var totalFaces = 0;
var itemsChecked = 0;

var NewItems = {}
var RAPs = {};
var items = {};

function login() {
	var dataJson = JSON.stringify({
		username: username,
		password: password
	});
	var options = {
	hostname: 'uk.roblox.com',
	port: 443,
	path: '/NewLogin',
	method: 'POST',
	headers: {
		'Content-Length': Buffer.byteLength(dataJson),
		'Content-Type': 'application/json'
	}
	};
	var req = https.request(options, function(rsp) {
		rsp.on('error', function(e) {
			console.log('Error!')
			login()
			return;
		})
		rsp.on('data', function() {
			console.log('Data received!')
		})
		rsp.on('end', function() {
			var setcookie = rsp.headers["set-cookie"];
			if (setcookie) {
				for (var p = 0; p < setcookie.length; p++) {
					if (setcookie[p].charAt(0) == '.') {
						RSec = setcookie[p].replace(/ *\_[^)]*\_ */g, "");
						RSec = RSec.substring(0, RSec.indexOf(';'));
					};
				};
			};
		});
	});
	req.on('error', function(e) {
		console.log('Error with login!');
		login()
		return;
	})
	req.write(dataJson);
	req.end();
}

function coreIH(f) {
	var dg3 = {
		hostname: 'uk.roblox.com',
		path: '/Trade/InventoryHandler.ashx?token=&filter=' + f + '&userid=1&itemsPerPage=14&page=1',
		headers: {
			'Cookie':RSec,
			'Accept-Encoding':'gzip',
		}
	};
	var raprequ = http.request(dg3, function(rspv) {
		var str3 = [];
		var gunzip3 = zlib.createGunzip();
		rspv.pipe(gunzip3)
		gunzip3.on('error', function(e) {
			console.log('Error on ROBLOX\'s inventory prelims!');
			return;
		})
		gunzip3.on('data', function(chunk3) {
			str3.push(chunk3);
		});
		gunzip3.on('end', function() {
			var newobj5 = Buffer.concat(str3).toString();
			var newobj6 = JSON.parse(newobj5);
			if (f == 0 && newobj6.data) {
				totalHats = newobj6.data.totalNumber;
				totalItems = totalItems + totalHats;
				for (var j = 1; j <= Math.ceil(totalHats / 14); j++) {
					rapGRAB(f, j)
				}
			} else if (f == 1 && newobj6.data) {
				totalGear = newobj6.data.totalNumber;
				totalItems = totalItems + totalGear;
				for (var k = 1; k <= Math.ceil(totalGear / 14); k++) {
					rapGRAB(f, k)
				}
			} else if (f == 2 && newobj6.data) {
				totalFaces = newobj6.data.totalNumber;
				totalItems = totalItems + totalFaces;
				for (var l = 1; l <= Math.ceil(totalFaces / 14); l++) {
					rapGRAB(f, l)
				}
			} else {
				console.log('error')
			};
		});
	});
	raprequ.on('error', function(e) {
		console.log('Error requesting info about ROBLOX\'s inventory!')
		return;
	});
	raprequ.end()
};
function rapGRAB(f, rapPAGE) {
	var options2 = {
		hostname: 'uk.roblox.com',
		path: '/Trade/InventoryHandler.ashx?token=&filter=' + f + '&userid=1&itemsPerPage=14&page=' + rapPAGE,
		headers: {
			'cookie':RSec,
			'Accept-Encoding':'gzip',
		}
	};
	var requ = http.request(options2, function(response) {
		var str2 = [];
		var gunzip2 = zlib.createGunzip();
		response.pipe(gunzip2)
		gunzip2.on('error', function(e) {
			console.log('Error on ROBLOX\'s inventory!');
			return;
		})
		gunzip2.on('data', function(chunk2) {
			str2.push(chunk2);
		});
		gunzip2.on('end', function() {
			var newobj3 = Buffer.concat(str2).toString();
			var newobj4 = JSON.parse(newobj3);
			if (newobj4.data) {
				for (m in newobj4.data.InventoryItems) {
					if (newobj4.data.InventoryItems[m].AveragePrice != "---") {
						var RAP = newobj4.data.InventoryItems[m].AveragePrice;
						var item = newobj4.data.InventoryItems[m].ItemLink.split("=").pop();
						RAPs[item] = RAP;
					};
					itemsChecked++
				};
			};
			if (itemsChecked >= totalItems) {
				for (var c = 1; c < cL+1; c++) {
					cataGRAB(c);
				};
				return;
			};
		});
	});
	requ.on('error', function(e) {
		console.log('Error requesting ROBLOX\'s inventory!');
		return;
	})
	requ.end();
};
function cataGRAB(page) {
	var dg = {
		hostname: 'search.roblox.com',
		path: '/catalog/json?Category=2&PageNumber=' + page,
		headers: {
			'Accept-Encoding': 'gzip'
			}
	};
	var omagawsh = http.request(dg, function(rspn) {
		var strn = []
		var gunzip = zlib.createGunzip();
		rspn.pipe(gunzip)
		gunzip.on('error', function (e) {
			console.log('Error with catalog data!');
		})
		gunzip.on('data', function (chunk) {
			strn.push(chunk)
		});
		gunzip.on('end', function() {
			var newobj = Buffer.concat(strn).toString();
			var newobj2 = JSON.parse(newobj);
			for (i in newobj2) {
				if (newobj2[i].BestPrice) {
					var id = newobj2[i].AssetId;
					var price = newobj2[i].BestPrice;
					var name = newobj2[i].Name;
					items[id] = new Array(price.replace(/\,/g,""), name);
				}
			};
			y++
			if (y == cL) {
				compa(RAPs, items)
			};
		});
	})
	omagawsh.on('error', function(e) {
		console.log('Error requesting the ROBLOX catalog!');
		return;
	})
	omagawsh.end();
};
function compa(e, f) {
	function isEmpty(damnobject) {
		for (var key in damnobject) {
			if (damnobject.hasOwnProperty(key)){
				return false;
			}
		}
		return true;
	}
	if (isEmpty(NewItems)) {
		var processed = 0;
		var localDump = [];
		Object.keys(e).forEach(function(n){
			if (f[n]) {
				NewItems[n] = {"Name":f[n][1], "RAP":parseInt(e[n],10), "LowestPrice":parseInt(f[n][0])}
				if (NewItems[n]["RAP"] > NewItems[n]["LowestPrice"]) {
					NewItems[n]["PercentOff"] = Math.round(((e[n] - f[n][0]) / e[n]) * 100)
					localDump.push(NewItems[n])
				};
				processed++;
			};
		});
		if (processed === Object.keys(NewItems).length) {
			sortIt();
		};
		function sortIt() {
			demSort = localDump.sort(function(a,b) {
				return a["PercentOff"] - b["PercentOff"];
			});
			for (dat in demSort) {
				console.log(demSort[dat]["PercentOff"] + "% off. " + demSort[dat]["Name"] + " (RAP: " + demSort[dat]["RAP"] + ") is selling for " + demSort[dat]["LowestPrice"])
			}
		}
	} else {
		var processedn = 0;
		var processedm = 0;
		var SecList = {};
		var newDump = [];
		Object.keys(e).forEach(function(cur){
			if (f[cur]) {
				SecList[cur] = {"Name":f[cur][1], "RAP":parseInt(e[cur],10), "LowestPrice":parseInt(f[cur][0])}
				if (SecList[cur]["RAP"] > SecList[cur]["LowestPrice"]) {
					SecList[cur]["PercentOff"] = Math.round(((e[cur] - f[cur][0]) / e[cur]) * 100)
				};
			};
			processedn++
		});
		if (processedn => Object.keys(SecList).length) {
			sortEt();
		};
		function sortEt() {
			Object.keys(SecList).forEach(function(m) {
				if ((NewItems[m]) && ((SecList[m]["LowestPrice"] != NewItems[m]["LowestPrice"]) || (SecList[m]["RAP"] != NewItems[m]["RAP"])) && (SecList[m]["PercentOff"])) {
					newDump.push(SecList[m])
				};
				processedm++
			});
		}
		if (processedm => Object.keys(SecList).length) {
			NewItems = SecList
			daNS = newDump.sort(function(a,b) {
				return a["PercentOff"] - b["PercentOff"];
			});
			for (dese in daNS) {
				console.log("NEW: " + daNS[dese]["PercentOff"] + "% off. " + daNS[dese]["Name"] + " (RAP: " + daNS[dese]["RAP"] + ") is selling for " + daNS[dese]["LowestPrice"])
			}
		}
	}
}
login()
setTimeout(function() {
	setInterval(function() {
			y = 0;
			coreIH(0);
			coreIH(1);
			coreIH(2);
	}, 9500);
}, 10000);