var SteamCommunity = require('steamcommunity');
var SteamStore = require('steamstore');
var ReadLine = require('readline');
var fs = require('fs');

var community = new SteamCommunity();
var store = new SteamStore();
var rl = ReadLine.createInterface({
    "input": process.stdin,
    "output": process.stdout
});

rl.question("Username: ", function(accountName) {
    rl.question("Password: ", function(password) {
        doLogin(accountName, password);
    });
});

function doLogin(accountName, password, authCode, captcha) {
    community.login({
        "accountName": accountName,
        "password": password,
        "authCode": authCode,
        "captcha": captcha
    }, function(err, sessionID, cookies, steamguard) {
        if(err) {
            if(err.message == 'SteamGuardMobile') {
                console.log("This account already has two-factor authentication enabled.");
                process.exit();
                return;
            }

            if(err.message == 'SteamGuard') {
                console.log("An email has been sent to your address at " + err.emaildomain);
                rl.question("Steam Guard Code: ", function (code) {
                    doLogin(accountName, password, code);
                });

                return;
            }

            if(err.message == 'CAPTCHA') {
                console.log(err.captchaurl);
                rl.question("CAPTCHA: ", function(captchaInput) {
                    doLogin(accountName, password, authCode, captchaInput);
                });

                return;
            }

            console.log(err);
            process.exit();
            return;
        }

        promptPhoneNumber(cookies);






    });
}

function promptActivationCode(response) {
    rl.question("SMS Code: ", function(smsCode) {
        community.finalizeTwoFactor(response.shared_secret, smsCode, function(err) {
            if(err) {
                if(err.message == "Invalid activation code") {
                    console.log(err);
                    promptActivationCode(response);
                    return;
                }

                console.log(err);
            } else {
                console.log("Two-factor authentication enabled!");
            }

            process.exit();
        });
    });
}

function promptPhoneNumber(cookies) {
    store.setCookies(cookies);
    rl.question("Phone Number: ", function(phoneNumber) {
        store.addPhoneNumber(phoneNumber,true,function(err) {
            if(err) {
                console.log("error adding phone number, assuming it already has one");
                enable2fa();

            } else {
                rl.question("Confirmation Code: ", function(confirmationCode) {
                    store.verifyPhoneNumber(confirmationCode,function(err) {
                        if(!err) {
                            setTimeout(function(){
                                enable2fa();
                            },30000);
                        }
                    });
                });
            }
        });
    });
}


function enable2fa() {
    community.enableTwoFactor(function(err, response) {
    if(err) {
        if(err.eresult == 2) {
            console.log("Error: Failed to enable two-factor authentication. Do you have a phone number attached to your account?");
            process.exit();
            return;
        }

        if(err.eresult == 84) {
            console.log("Error: RateLimitExceeded. Try again later.");
            process.exit();
            return;
        }

        console.log(err);
        process.exit();
        return;
    }

    if(response.status != 1) {
        console.log("Error: Status " + response.status);
        process.exit();
        return;
    }

    console.log("Writing secrets to twofactor_" + community.steamID.getSteamID64() + ".json");
    console.log("Revocation code: " + response.revocation_code);
    fs.writeFile("twofactor_" + community.steamID.getSteamID64() + ".json", JSON.stringify(response, null, "\t"));

    promptActivationCode(response);
});
}