var crypto = require( "crypto" );
var csgo = require( "csgo" );
var fs = require( "fs" );
var readlineSync = require( "readline-sync" );
var Steam = require( "steam" );

var SteamClient = new Steam.SteamClient();
var SteamFriends = new Steam.SteamFriends( SteamClient );
var SteamGameCoordinator = new Steam.SteamGameCoordinator( SteamClient, 730 );
var SteamUser = new Steam.SteamUser( SteamClient );

var CSGOClient = new csgo.CSGOClient( SteamUser, SteamGameCoordinator, false );

var args = process.argv.slice( 2 );

var username = args[0];
var password = args[1];
var auth_code = args[2];
var two_factor_code = "";

var sentryfile = username + ".sentryfile";

SteamClient.connect();
SteamClient.on( "connected", function() {
	if ( fs.existsSync( sentryfile ) )
	{
		var logOnOptions = {
			account_name: username,
			password: password,
			sha_sentryfile: getSHA1( fs.readFileSync( sentryfile ) )
		};

		if ( two_factor_code == "" )
			console.log( "Logging in with a sentry file..." );
		else
			logOnOptions["two_factor_code"] = two_factor_code;

		SteamUser.logOn( logOnOptions );
	}
	else
	{
		console.log( "Logging in without a sentry file..." );

		var logOnOptions = {
			account_name: username,
			password: password
		};

		if ( auth_code != "" )
			logOnOptions["auth_code"] = auth_code;

		if ( two_factor_code != "" )
			logOnOptions["two_factor_code"] = two_factor_code;

		SteamUser.logOn( logOnOptions );
	}
} );

SteamClient.on( "logOnResponse", function( e ) {
	if ( e.eresult == Steam.EResult.OK )
	{
		console.log( "Logged in!" );

		SteamFriends.setPersonaState( Steam.EPersonaState.Offline );

		CSGOClient.launch();
		CSGOClient.on( "ready", function() {
			console.log( "node-csgo is ready!\n" );

			var Command = args[3];
			var SteamID = parseInt( args[4], 10 );

			if ( Command == "report" )
			{
				console.log( "Reporting " + SteamID + "..." );

				CSGOClient.reportPlayer( SteamID, 1, 1, 1, 1, 1, 1, 0 );
			}
			else if ( Command == "commend" )
			{
				console.log( "Commending " + SteamID + "..." );

				CSGOClient.commendPlayer( SteamID, 0, 1, 1, 1, 0 );
			}
			else
			{
				console.log( Command + " is not a valid command. Valid commands are report and commend." );

				// Use setTimeout?
				SteamClient.disconnect();
			}
		} );
	}
	else if ( e.eresult == Steam.EResult.InvalidPassword )
		console.log( "Login failed: Invalid password." );
	else if ( e.eresult == Steam.EResult.AlreadyLoggedInElsewhere )
		console.log( "Login failed: Already logged in elsewhere." );
	else if ( e.eresult == Steam.EResult.AccountLogonDenied )
		console.log( "Login failed: No SteamGuard code." );
	else if ( e.eresult == Steam.EResult.InvalidLoginAuthCode )
		console.log( "Login failed: Invalid SteamGuard code." );
	else if ( e.eresult == Steam.EResult.AccountLogonDeniedNeedTwoFactorCode )
	{
		two_factor_code = readlineSync.question( "Mobile auth code needed for " + username + ". Type it here: " );

		SteamClient.connect();
	}
	else
		console.log( "Login failed: " + e.eresult );
} );

CSGOClient.on( "reportResponse", function( message )
{
	var Command = "commend player.";
	if ( message.response_type == csgo.ECSGOCMsg.k_EMsgGCCStrike15_v2_ClientReportPlayer )
		Command = "report player.";

	if ( message.response_result )
		console.log( "Succeeded to " + Command );
	else
		console.log( "Failed to " + Command );

	// Use setTimeout?
	SteamClient.disconnect();
} );

SteamClient.on( "error", function( e ) {
} );

SteamUser.on( "updateMachineAuth", function( sentry, callback ) {
	fs.writeFileSync( sentryfile, sentry.bytes );

	console.log( "Saved the sentry file." );

	callback( {
		sha_file: getSHA1( sentry.bytes )
	} );
} );

function getSHA1( bytes ) {
    var hash = crypto.createHash( "sha1" );
    hash.update( bytes );
    return hash.digest();
}