#include <vector>
#include <string>
#include <thread>
#include <map>

#include <pqxx/pqxx>

#include "crow.h"
#include "crow/middlewares/cookie_parser.h"

#include "database.cpp"
#include "utilities.cpp"
#include "regularTaskExecution.cpp"
#include "templateConstCollection.cpp"

using namespace std;
using namespace TemplateConstCollection;

int main(int argc, char *argv[]) {
    Utilities::config configuration;
    if (argc > 1)
        configuration.configPath = argv[1];

    if (configuration.readConfigFile()) {
        cout << "ERROR: Unable to read configuration file: " << configuration.configPath << endl;
        cout << "Aborting Startup!" << endl;
        return 1;
    }

    // Create app with Middleware
    crow::App<crow::CookieParser> app;

    // starts thread that executes modules
    thread threadRegularExecution(RegularTaskExecution::regularExecution, configuration);

    /*
     * Freelancer Profile listing for customers
     */
    CROW_ROUTE(app, "/").methods("POST"_method, "GET"_method)
            ([configuration](const crow::request& request) {
                int selectedPage = 1;
                if (!request.url_params.keys().empty()) {
                    string selectedPageString = request.url_params.get("page");
                    if (!selectedPageString.empty())
                        selectedPage = stoi(selectedPageString);
                }
                auto page = crow::mustache::load(TEMPLATE_CUSTOMER_INDEX_FREELANCER_LISTING);
                crow::mustache::context ctx(Utilities::getFreelancerListing(configuration, selectedPage));
                if (configuration.itemsPerPage > 0) {
                    ctx[MUSTACHE_PAGINATION] = true;
                    vector<int> pages = Utilities::getFreelancerIndexPagination(configuration);
                    ctx[MUSTACHE_PAGINATION_NUMBERS] = pages;
                    if (selectedPage <= 1)
                        ctx[MUSTACHE_PAGINATION_PREVIOUS] = 1;
                    else
                        ctx[MUSTACHE_PAGINATION_PREVIOUS] = selectedPage - 1;
                    if (selectedPage >= pages.size())
                        ctx[MUSTACHE_PAGINATION_NEXT] = pages.size();
                    else
                        ctx[MUSTACHE_PAGINATION_NEXT] = selectedPage + 1;
                }
                return page.render(ctx);
            });

    /*
     * Freelancer Profile listing for customers
     */
    CROW_ROUTE(app, "/@<string>")
            ([configuration](string alias) {
                crow::mustache::context ctx(getAlias(configuration, alias));
                auto page = crow::mustache::load(TEMPLATE_ALIAS_REDIRECT);
                return page.render(ctx);
            });

    /*
     * Freelancer Profile Page for customers
     */
    CROW_ROUTE(app, "/customer/<string>").methods("POST"_method)
            ([configuration](const crow::request& postRequest, string freelancerName ) {
                //Parses the request body and extracts the specified value
                int freelancerID = stoi(Utilities::extractSingleValueFromRequestBody(postRequest.body.c_str(), "freelancerID"));
                pqxx::connection databaseConnection(configuration.databaseConnectionString);
                Database::prepareStatements(databaseConnection, {
                    ID_SELECT_FREELANCER,
                    ID_SELECT_FREELANCER_TEMPLATES
                });
                pqxx::result resultFreelancer = Database::executePreparedStatement_SELECT_FREELANCER(databaseConnection, freelancerID);

                //error handling if invalid ID was delivered
                string freelancerHTML = TEMPLATE_CUSTOMER_FREELANCER_LISTING_NOT_FOUND;

                crow::json::wvalue resultJsonFreelancerTemplate;
                if (!resultFreelancer.empty()){
                    freelancerHTML = TEMPLATE_CUSTOMER_FREELANCER_LISTING;
                    pqxx::result resultFreelancerTemplates = Database::executePreparedStatement_SELECT_FREELANCER_TEMPLATES(databaseConnection, freelancerID);
                    resultJsonFreelancerTemplate = Database::convertResultToJSON(resultFreelancerTemplates, "templates");
                }

                auto page = crow::mustache::load(freelancerHTML);
                crow::mustache::context ctx(resultJsonFreelancerTemplate);

                if (!resultFreelancer.empty()){
                    /*
                     * puts freelancer data into context
                     */
                    for (int i = 0; i < resultFreelancer.columns(); ++i) {
                        string freelancerColumn = resultFreelancer.column_name(i);
                        ctx["freelancer" + freelancerColumn] = resultFreelancer.at(0).at(i).c_str();
                    }
                }

                ctx["freelancerid"] = freelancerID;
                ctx["selectedfreelancername"] = freelancerName;

                return page.render(ctx);
            });

    /*
     * Page representing a freelancers Template
     */
    CROW_ROUTE(app, "/customer/<string>/template/<string>").methods("POST"_method)
            ([configuration](const crow::request& postRequest, string freelancerName, string templateName ) {
                int templateID = stoi(Utilities::extractSingleValueFromRequestBody(postRequest.body.c_str(), "templateID"));

                pqxx::connection databaseConnection(configuration.databaseConnectionString);
                Database::prepareStatements(databaseConnection, {
                        ID_SELECT_TEMPLATE,
                        ID_SELECT_FREELANCER_COMMISSION_STATE
                });
                pqxx::result resultTemplate = Database::executePreparedStatement_SELECT_TEMPLATE(databaseConnection, templateID);

                crow::json::wvalue resultJsonTemplate = Database::convertResultRowToJSON(resultTemplate);

                auto page = crow::mustache::load(TEMPLATE_CUSTOMER_FREELANCER_TEMPLATE);

                crow::mustache::context ctx(resultJsonTemplate);

                bool commissionState = false;
                if (!resultTemplate.empty()) {
                    //use freelancerID based on SQL_STATEMENT_SELECT_TEMPLATE
                    pqxx::result resultCommissionState = Database::executePreparedStatement_SELECT_FREELANCER_COMMISSION_STATE(databaseConnection, stoi(resultTemplate.at(0).at(2).c_str()));
                    //the commissionstate
                    if (resultCommissionState.empty() || stoi(resultCommissionState.at(0).at(0).c_str()) == 1)
                        commissionState = true;
                }
                ctx[MUSTACHE_ERROR_COMMISSIONS_CLOSED] = commissionState;

                return page.render(ctx);
            });

    /*
     * Page for entry of request data
     */
    CROW_ROUTE(app, "/customer/<string>/template/<string>/request").methods("POST"_method)
            ([configuration](const crow::request& postRequest, string freelancerName, string templateName ) {
                int templateID = stoi(Utilities::extractSingleValueFromRequestBody(postRequest.body.c_str(), "templateID"));

                pqxx::connection databaseConnection(configuration.databaseConnectionString);
                Database::prepareStatement(databaseConnection, ID_SELECT_TEMPLATE);
                pqxx::result resultTemplate = Database::executePreparedStatement_SELECT_TEMPLATE(databaseConnection, templateID);

                crow::json::wvalue resultJsonTemplate = Database::convertResultRowToJSON(resultTemplate);

                auto page = crow::mustache::load(TEMPLATE_CUSTOMER_FREELANCER_TEMPLATE_REQUEST);

                crow::mustache::context ctx(resultJsonTemplate);
                return page.render(ctx);
            });

    /*
     * executes the creation of a new request.
     */
    CROW_ROUTE(app, "/customer/<string>/template/<string>/request/fulfilment").methods("POST"_method)
            ([configuration](const crow::request& postRequest, string freelancerName, string templateName ) {
                pqxx::connection databaseConnection(configuration.databaseConnectionString);
                string templateHTML = TEMPLATE_CUSTOMER_FREELANCER_TEMPLATE_REQUEST_FULFILMENT_ERROR;

                Database::requestsItem newRequest;
                crow::mustache::context ctx;

                ctx["freelancername"] = freelancerName;
                ctx["templatename"] = templateName;

                string postRequestBody = postRequest.body.c_str();
                Utilities::decodeString(postRequestBody);
                vector<string> splitPostRequestBody = Utilities::splitStringIntoVector(postRequestBody, '&');
                bool requestFillCompletion = false;
                for (const string& item : splitPostRequestBody) {
                    vector<string> splitItem = Utilities::splitStringIntoVector(item, '=');
                    if (splitItem.at(0) == "customername")
                        newRequest.customerName = splitItem.at(1);
                    if (splitItem.at(0) == "email")
                        newRequest.customerEmailAddress = splitItem.at(1);
                    if (splitItem.at(0) == "customercontactdetails")
                        newRequest.customerContactDetails = splitItem.at(1);
                    if (splitItem.at(0) == "requestdescription")
                        newRequest.requestDescription = splitItem.at(1);
                    if (splitItem.at(0) == "templateID")
                        newRequest.templateID = stoi(splitItem.at(1));
                }
                if (newRequest.customerName != "" && (newRequest.customerEmailAddress != "" || newRequest.customerContactDetails != "") && newRequest.requestDescription != "" )
                    requestFillCompletion = true;

                ctx["templateid"] = newRequest.templateID;

                Database::prepareStatements(databaseConnection, {
                        ID_SELECT_TEMPLATE_FLAT,
                        ID_SELECT_FREELANCER_COMMISSION_STATE,
                        ID_INSERT_ITEM_IN_REQUESTS,
                        ID_SELECT_FREELANCER_EMAIL
                });

                pqxx::result resultTemplate = Database::executePreparedStatement_SELECT_TEMPLATE_FLAT(databaseConnection, newRequest.templateID);
                if (!resultTemplate.empty() && requestFillCompletion) {
                    for (int i = 0; i < resultTemplate.columns(); ++i) {
                        //freelancerid
                        newRequest.freelancerID = stoi(resultTemplate.at(0).at(0).c_str());
                        //currencypreference
                        newRequest.currencyPreference = resultTemplate.at(0).at(1).c_str();
                        //priceupfront
                        newRequest.priceUpFront = resultTemplate.at(0).at(2).c_str();
                        //priceondeliver
                        newRequest.priceOnDeliver = resultTemplate.at(0).at(3).c_str();
                    }

                    pqxx::result resultCommissionState = Database::executePreparedStatement_SELECT_FREELANCER_COMMISSION_STATE(databaseConnection, newRequest.freelancerID);

                    //the commissionstate
                    if (resultCommissionState.empty() || stoi(resultCommissionState.at(0).at(0).c_str()) == 1) {
                        ctx[MUSTACHE_ERROR_COMMISSIONS_CLOSED] = true;
                    }
                    else {
                        int resultInsertOperation = Database::executePreparedStatement_INSERT_ITEM_IN_REQUESTS(databaseConnection, newRequest);
                        if (resultInsertOperation == 0) {
                            templateHTML = TEMPLATE_CUSTOMER_FREELANCER_TEMPLATE_REQUEST_FULFILMENT;
                            pqxx::result resultEmailAddress = Database::executePreparedStatement_SELECT_FREELANCER_EMAIL(databaseConnection, newRequest.freelancerID);
                            if (!resultEmailAddress.empty())
                                Utilities::sendEmail(configuration, resultEmailAddress.at(0).at(0).c_str(), "NEW REQUEST", newRequest.toJSONString());
                        }
                        else {
                            ctx[MUSTACHE_ERROR_UNABLE_TO_CREATE_REQUEST] = true;
                        }
                    }
                }
                else {
                    if (requestFillCompletion)
                        ctx[MUSTACHE_ERROR_TEMPLATE_NOT_FOUND] = true;
                    else
                        ctx[MUSTACHE_REQUEST_NOT_FILLED] = true;

                }
                auto page = crow::mustache::load(templateHTML);

                return page.render(ctx);
            });

    /*
     * redirect to /freelancer/login
     */
    CROW_ROUTE(app, "/login")
            ([](crow::response& res) {
                res.redirect("/freelancer/login");
                res.end();
            });

    /*
     * redirect to /freelancer/logout
     */
    CROW_ROUTE(app, "/logout")
            ([](crow::response& res) {
                res.redirect("/freelancer/logout");
                res.end();
            });

    /*
     * Logs out a freelancer by replacing validation key and expiring cookies
     */
    CROW_ROUTE(app, "/freelancer/logout")
            ([&, configuration](const crow::request& getRequest, crow::response& res) {
                auto& ctx = app.get_context<crow::CookieParser>(getRequest);
                if (Utilities::checkCookieLoginState(configuration, ctx)) {
                    std::string freelancerEmail = ctx.get_cookie("freelancerEmail");
                    pqxx::connection databaseConnection(configuration.databaseConnectionString);
                    Database::prepareStatement(databaseConnection, ID_UPDATE_LOGIN_VALIDATION_KEY);
                    Database::executePreparedStatement_UPDATE_LOGIN_VALIDATION_KEY(databaseConnection, "EXPIRED", freelancerEmail);
                    ctx.set_cookie("loginKey", Utilities::generateExpiredCookie());
                    ctx.set_cookie("freelancerEmail", Utilities::generateExpiredCookie());
                }
                res.redirect("/");
                res.end();
            });


    /*
     * Page for freelancer to log in
     */
    CROW_ROUTE(app, "/freelancer/login")
            ([&,configuration](const crow::request& getRequest ) {
                auto& ctx = app.get_context<crow::CookieParser>(getRequest);
                string templateHTML = TEMPLATE_FREELANCER_LOGIN;
                if (Utilities::checkCookieLoginState(configuration, ctx))
                    templateHTML = TEMPLATE_FREELANCER_REDIRECT_PROFILE;

                auto page = crow::mustache::load(templateHTML);
                return page.render();
            });

    /*
     * Page for freelancer to request a password reset email
     */
    CROW_ROUTE(app, "/freelancer/login/passwordreset")
            ([]() {
                auto page = crow::mustache::load(TEMPLATE_FREELANCER_LOGIN_PASSWORD_RESET);
                return page.render();
            });

    /*
     * Page for freelancer password reset fulfilment
     */
    CROW_ROUTE(app, "/freelancer/login/passwordreset/fulfilment")
            ([&, configuration](const crow::request& postRequest ) {
                crow::mustache::context ctx;
                string postRequestBody = postRequest.body;
                Utilities::decodeString(postRequestBody);
                vector<string> splitPostRequestBody = Utilities::splitStringIntoVector(postRequestBody, '&');
                string email;
                for (const string& item : splitPostRequestBody) {
                    vector<string> splitItem = Utilities::splitStringIntoVector(item, '=');
                    if (splitItem.at(0) == "freelanceremail")
                        email = splitItem.at(1);
                }

                if (!email.empty()) {
                    pqxx::connection databaseConnection(configuration.databaseConnectionString);
                    Database::prepareStatements(databaseConnection, {
                            ID_SELECT_CHECK_EMAIL_EXISTS,
                            ID_SELECT_CHECK_FREELANCER_RESET_KEY,
                            ID_DELETE_FREELANCER_RESET_KEY,
                            ID_INSERT_FREELANCER_RESET_KEY
                    });

                    pqxx::result checkFreelancerExists = Database::executePreparedStatement_SELECT_CHECK_EMAIL_EXISTS(databaseConnection, email);
                    int checkFreelancerExistsExtracted = stoi(checkFreelancerExists.at(0).at(0).c_str());
                    if (checkFreelancerExistsExtracted == 1) {
                        std::string passwordResetKey = Utilities::generateRandomHashValueSHA256();

                        pqxx::result checkFreelancerResetKeyExists = Database::executePreparedStatement_SELECT_CHECK_FREELANCER_RESET_KEY(databaseConnection, email);
                        int checkFreelancerResetKeyExistsExtracted = stoi(checkFreelancerResetKeyExists.at(0).at(0).c_str());
                        if (checkFreelancerResetKeyExistsExtracted > 0)
                            Database::executePreparedStatement_DELETE_FREELANCER_RESET_KEY(databaseConnection, email);

                        Database::executePreparedStatement_INSERT_FREELANCER_RESET_KEY(databaseConnection, email, passwordResetKey);

                        if (Utilities::sendPasswordResetEmail(configuration, email, passwordResetKey) == 0)
                            ctx["passwordresetmailsent"] = true;
                    }
                    ctx["resetemail"] = email;
                }
                auto page = crow::mustache::load(TEMPLATE_FREELANCER_LOGIN_PASSWORD_RESET_FULFILMENT);
                return page.render(ctx);
            });

    /*
     * Page for freelancer to reset a password from a requested PasswordReset
     */
    CROW_ROUTE(app, "/passwordreset/<string>")
            ([&, configuration](string passwordResetKey) {
                crow::mustache::context ctx;
                pqxx::connection databaseConnection(configuration.databaseConnectionString);
                Database::prepareStatement(databaseConnection, ID_SELECT_FREELANCER_EMAIL_FROM_PASSWORD_RESET_KEY);
                pqxx::result freelancerEmail = Database::executePreparedStatement_SELECT_FREELANCER_EMAIL_FROM_PASSWORD_RESET_KEY(databaseConnection, passwordResetKey);
                if (!freelancerEmail.empty()) {
                    ctx["freelanceremail"] = freelancerEmail.at(0).at(0).c_str();
                    ctx["passwordresetkey"] = passwordResetKey;
                }
                else {
                    ctx[MUSTACHE_PASSWORD_RESET_DOES_NOT_EXIST] = true;
                }
                auto page = crow::mustache::load(TEMPLATE_PASSWORD_RESET);
                return page.render(ctx);
            });

    /*
     * Page for fulfillment of password reset
     */
    CROW_ROUTE(app, "/passwordreset/<string>/fulfilment").methods("POST"_method)
            ([&, configuration](const crow::request& postRequest, string passwordResetKey) {
                crow::mustache::context ctx;
                string postRequestBody = postRequest.body;
                Utilities::decodeString(postRequestBody);
                vector<string> splitPostRequestBody = Utilities::splitStringIntoVector(postRequestBody, '&');
                string password, passwordConfirmation;
                for (const string& item : splitPostRequestBody) {
                    vector<string> splitItem = Utilities::splitStringIntoVector(item, '=');
                    if (splitItem.at(0) == "freelancerpassword")
                        password = splitItem.at(1);
                    if (splitItem.at(0) == "freelancerpasswordconfirmation")
                        passwordConfirmation = splitItem.at(1);
                }
                pqxx::connection databaseConnection(configuration.databaseConnectionString);
                Database::prepareStatements(databaseConnection, {
                        ID_SELECT_FREELANCER_EMAIL_FROM_PASSWORD_RESET_KEY,
                        ID_SELECT_CHECK_FREELANCER_RESET_KEY_EXPIRED,
                        ID_DELETE_FREELANCER_RESET_KEY,
                        ID_UPDATE_FREELANCER_PASSWORD_HASH
                });
                pqxx::result freelancerEmail = Database::executePreparedStatement_SELECT_FREELANCER_EMAIL_FROM_PASSWORD_RESET_KEY(databaseConnection, passwordResetKey);
                if (!freelancerEmail.empty() && !password.empty() && password.compare(passwordConfirmation) != 0) {
                    string email = freelancerEmail.at(0).at(0).c_str();
                    pqxx::result keyExpiration = Database::executePreparedStatement_SELECT_CHECK_FREELANCER_RESET_KEY_EXPIRED(databaseConnection, email);
                    if (stoi(keyExpiration.at(0).at(0).c_str()) == 0) {
                        Database::executePreparedStatement_DELETE_FREELANCER_RESET_KEY(databaseConnection, email);
                        string pwsalt = Utilities::generateSalt();
                        string pwhash = Utilities::hashPassword(pwsalt, password);

                        int errorLevel = Database::executePreparedStatement_UPDATE_FREELANCER_PASSWORD_HASH(databaseConnection, pwhash, pwsalt, email);

                        if (errorLevel == 0) {
                            ctx[MUSTACHE_RESET_SUCCESS] = true;
                            ctx["freelanceremail"] = email;
                        }
                        else {
                            ctx[MUSTACHE_RESET_ERROR] = true;
                            if (errorLevel == 1)
                                ctx[MUSTACHE_RESET_ERROR_QUERY] = true;
                            if (errorLevel == 2)
                                ctx[MUSTACHE_RESET_ERROR_CRITICAL] = true;
                        }
                    }
                    else {
                        ctx[MUSTACHE_PASSWORD_RESET_EXPIRED] = true;
                    }
                }
                else {
                    if (password.empty())
                        ctx[MUSTACHE_PASSWORD_EMPTY] = true;
                    if (freelancerEmail.empty())
                        ctx[MUSTACHE_PASSWORD_RESET_DOES_NOT_EXIST] = true;
                    if (password.compare(passwordConfirmation) != 0)
                        ctx[MUSTACHE_PASSWORD_RESET_PASS_CONFIRMATION] = true;
                }
                auto page = crow::mustache::load(TEMPLATE_PASSWORD_RESET_FULFILMENT);
                return page.render(ctx);
            });

    /*
     * Page for freelancer to log in fulfillment
     */
    CROW_ROUTE(app, "/freelancer/login/fulfilment").methods("POST"_method)
            ([&, configuration](const crow::request& postRequest ) {
                crow::mustache::context ctx;
                string postRequestBody = postRequest.body;
                Utilities::decodeString(postRequestBody);
                vector<string> splitPostRequestBody = Utilities::splitStringIntoVector(postRequestBody, '&');
                string email, password;
                bool stayLoggedIn;

                for (const string& item : splitPostRequestBody) {
                    vector<string> splitItem = Utilities::splitStringIntoVector(item, '=');
                    if (splitItem.at(0) == "freelanceremail")
                        email = splitItem.at(1);
                    if (splitItem.at(0) == "freelancerpassword")
                        password = splitItem.at(1);
                    if (splitItem.at(0) == "stayloggedin")
                        stayLoggedIn = !splitItem.at(1).empty(); //if checkbox not set result is empty ie stay logged in is false, if it is set result is "on" ie not empty ie stay logged in is true
                }

                //check if login data is complete
                if (!email.empty() && !password.empty()){
                    //check if freelancer exists
                    pqxx::connection databaseConnection(configuration.databaseConnectionString);
                    Database::prepareStatements(databaseConnection, {
                            ID_SELECT_CHECK_EMAIL_EXISTS,
                            ID_SELECT_FREELANCER_SALT,
                            ID_SELECT_CHECK_HASH_VALID,
                            ID_UPDATE_LOGIN_VALIDATION_KEY,
                            ID_SELECT_CHECK_LOGIN_LOCK_OUT,
                            ID_SELECT_GET_LOGIN_LOCK_OUT_MINUTES
                    });

                    pqxx::result checkloginLockedOut = Database::executePreparedStatement_SELECT_CHECK_LOGIN_LOCK_OUT(databaseConnection, email);
                    string checkloginLockedOutExtracted = checkloginLockedOut.at(0).at(0).c_str();
                    if (checkloginLockedOutExtracted != "true") {
                        pqxx::result checkFreelancerExists = Database::executePreparedStatement_SELECT_CHECK_EMAIL_EXISTS(databaseConnection, email);
                        int checkFreelancerExistsExtracted = stoi(checkFreelancerExists.at(0).at(0).c_str());
                        if (checkFreelancerExistsExtracted == 1) {
                            pqxx::result freelancerSalt = Database::executePreparedStatement_SELECT_FREELANCER_SALT(databaseConnection, email);
                            string salt = freelancerSalt.at(0).at(0).c_str();
                            string hash = Utilities::hashPassword(salt, password);
                            pqxx::result checkFreelancerHash = Database::executePreparedStatement_SELECT_CHECK_HASH_VALID(databaseConnection, email, hash);
                            int checkFreelancerHashExtracted = stoi(checkFreelancerHash.at(0).at(0).c_str());
                            if (checkFreelancerHashExtracted == 1) {
                                //create secureCookie
                                auto& cookieCtx = app.get_context<crow::CookieParser>(postRequest);
                                std::string loginKeyValue = Utilities::generateRandomHashValueSHA512();
                                Database::executePreparedStatement_UPDATE_LOGIN_VALIDATION_KEY(databaseConnection, loginKeyValue, email);
                                std::string loginKeyCookieValue = Utilities::generateSecureCookieLoginKeyValue(loginKeyValue, stayLoggedIn);
                                std::string freelancerEmailCookieValue = Utilities::generateSecureCookieFreelancerEmailValue(email, stayLoggedIn);
                                cookieCtx.set_cookie("loginKey", loginKeyCookieValue);
                                cookieCtx.set_cookie("freelancerEmail",freelancerEmailCookieValue);
                                ctx[MUSTACHE_LOGIN_SUCCESS] = true;
                            }
                            else {
                                ctx[MUSTACHE_LOGIN_ERROR] = true;
                                ctx[MUSTACHE_LOGIN_ERROR_LOGIN_DATA_INVALID] = true;
                                Utilities::loginLockOutIncrement(configuration, databaseConnection, email);
                            }
                        }
                        else {
                            ctx[MUSTACHE_LOGIN_ERROR] = true;
                            ctx[MUSTACHE_LOGIN_ERROR_LOGIN_DATA_INVALID] = true;
                        }
                    }
                    else {
                        pqxx::result loginLockOutInMinutes = Database::executePreparedStatement_SELECT_GET_LOGIN_LOCK_OUT_MINUTES(databaseConnection, email);
                        ctx[MUSTACHE_LOGIN_ERROR] = true;
                        ctx[MUSTACHE_LOGIN_ERROR_LOCKED_OUT] = true;
                        ctx[MUSTACHE_LOGIN_ERROR_LOCKED_OUT_MINUTES] = loginLockOutInMinutes.at(0).at(0).c_str();
                    }
                }
                else {
                    ctx[MUSTACHE_LOGIN_ERROR] = true;
                    ctx[MUSTACHE_LOGIN_ERROR_EMAIL_PASS_NOT_FILLED] = true;
                }

                auto page = crow::mustache::load(TEMPLATE_FREELANCER_LOGIN_FULFILMENT);
                return page.render(ctx);
            });

    /*
     * Page for freelancer to sign up
     */
    CROW_ROUTE(app, "/freelancer/signup")
            ([&, configuration](const crow::request& getRequest ) {
                auto& ctx = app.get_context<crow::CookieParser>(getRequest);
                string loginKey = ctx.get_cookie("loginKey");
                string freelancerEmail = ctx.get_cookie("freelancerEmail");
                string templateHTML = TEMPLATE_FREELANCER_SIGN_UP;
                if (!freelancerEmail.empty() && !loginKey.empty()) {
                    if (Utilities::checkFreelancerLoginState(configuration, loginKey, freelancerEmail))
                        templateHTML = TEMPLATE_FREELANCER_REDIRECT_PROFILE;
                }
                auto page = crow::mustache::load(templateHTML);
                return page.render();
            });

    /*
     * Page for freelancer to sign up fulfillment
     */
    CROW_ROUTE(app, "/freelancer/signup/fulfilment").methods("POST"_method)
            ([configuration](const crow::request& postRequest ) {
                crow::mustache::context ctx;

                string postRequestBody = postRequest.body;
                Utilities::decodeString(postRequestBody);
                vector<string> splitPostRequestBody = Utilities::splitStringIntoVector(postRequestBody, '&');

                string name, email, password, passwordConfirmation;

                bool requestFillCompletion = false;
                for (const string& item : splitPostRequestBody) {
                    vector<string> splitItem = Utilities::splitStringIntoVector(item, '=');
                    if (splitItem.at(0) == "freelancername")
                        name = splitItem.at(1);
                    if (splitItem.at(0) == "freelanceremail")
                        email = splitItem.at(1);
                    if (splitItem.at(0) == "freelancerpassword")
                        password = splitItem.at(1);
                    if (splitItem.at(0) == "freelancerpasswordconfirmation")
                        passwordConfirmation = splitItem.at(1);
                }

                //check if signup data is complete
                if (!email.empty() && !name.empty() && !password.empty() && password.compare(passwordConfirmation) != 0)
                    requestFillCompletion = true;

                if (requestFillCompletion) {
                    //check if email address hasn't been registered yet
                    pqxx::connection databaseConnection(configuration.databaseConnectionString);
                    Database::prepareStatements(databaseConnection, {
                            ID_SELECT_CHECK_EMAIL_EXISTS,
                            ID_INSERT_NEW_FREELANCER
                    });
                    pqxx::result checkResult = Database::executePreparedStatement_SELECT_CHECK_EMAIL_EXISTS(databaseConnection, email);
                    int checkResultExtracted = stoi(checkResult.at(0).at(0).c_str());

                    if (checkResultExtracted == 0) {
                        string pwsalt, pwhash;
                        pwsalt = Utilities::generateSalt();
                        pwhash = Utilities::hashPassword(pwsalt, password);

                        int errorLevel = Database::executePreparedStatement_INSERT_NEW_FREELANCER(databaseConnection, email, name, pwsalt, pwhash);

                        if (errorLevel == 0) {
                            ctx[MUSTACHE_REGISTRATION_SUCCESS] = true;
                            ctx["freelancername"] = name;
                            ctx["freelanceremail"] = email;
                        }
                        else {
                            ctx[MUSTACHE_REGISTRATION_ERROR] = true;
                            if (errorLevel == 1)
                                ctx[MUSTACHE_REGISTRATION_ERROR_QUERY] = true;
                            if (errorLevel == 2)
                                ctx[MUSTACHE_REGISTRATION_ERROR_CRITICAL] = true;
                        }
                    }
                    else {
                        ctx[MUSTACHE_REGISTRATION_ERROR] = true;
                        ctx["freelanceremail"] = email;
                        ctx[MUSTACHE_REGISTRATION_ERROR_EMAIL_ALREADY_IN_USE] = true;
                    }
                }
                else {
                    ctx[MUSTACHE_REGISTRATION_ERROR] = true;
                    if (password.compare(passwordConfirmation) != 0)
                        ctx[MUSTACHE_REGISTRATION_ERROR_PASS_CONFIRMATION] = true;
                    ctx[MUSTACHE_REGISTRATION_ERROR_EMAIL_NAME_PASS_NOT_FILLED] = true;
                }

                auto page = crow::mustache::load(TEMPLATE_FREELANCER_SIGN_UP_FULFILMENT);
                return page.render(ctx);
            });



















    /*CROW_ROUTE(app, "/getEntry/<int>")
            ([databaseURI](int entry) {
                pqxx::connection databaseConnection(databaseURI);
                pqxx::result result = Database::executePreparedStatement_SELECT_ITEM_BY_ID(databaseConnection, entry);

                auto page = crow::mustache::load("test.html");



                crow::json::wvalue resultJson = Database::convertResultRowToJSON(result);
                crow::mustache::context ctx(resultJson);

                return page.render(ctx);


            });

    CROW_ROUTE(app, "/testRequest")
            ([databaseURI]() {
                Database::requestsItem item;

                item.customerEmailAddress = "test@testmail.com";
                item.freelancer = "michael";
                item.templateName = "coding";
                item.currencyPreference = "XMR";
                item.priceUpFront = "0.36";
                item.priceOnDeliver = "0.36";
                item.requestDescription = "This is a test";
                item.accepted = stoi("0");
                item.upFrontInvoiceID = "12424242424";
                item.onDeliverInvoiceID = "329532532532";
                item.upFrontPaid = stoi("0");
                item.onDeliverPaid = stoi("0");

                pqxx::connection databaseConnection(databaseURI);
                Database::executePreparedStatement_INSERT_ITEM_IN_REQUESTS(databaseConnection, item);

                return crow::response(200);
            });

    CROW_ROUTE(app, "/newRequest")
            .methods("POST"_method)
                    ([databaseURI](const crow::request &req) {
                        auto jsonBody = crow::json::load(req.body);

                        if (!jsonBody)
                            return crow::response(crow::status::BAD_REQUEST);


                         * Example CURL to insert into DB:
                         * Price must be delivered as a string to avoid unnecessary conversion to double which would lead to the addition to a database of the value 0.359999999999999999999999999 instead of 0.36.
                         * curl -H "Content-Type: application/json" -H "Accept: application/json" -d '{"customerEmailAddress":"2@testmail.com","freelancer":"nick","templateName":"coding","currencyPreference":"XMR","priceUpFront":"0.36","priceOnDeliver":"0.36","requestDescription":"This is a test","accepted":false,"upFrontInvoiceID":"12424242424","onDeliverInvoiceID":"329532532532","upFrontPaid":false,"onDeliverPaid":false}' http://0.0.0.0:18080/newRequest

                        Database::requestsItem item;
                        item.insertJsonIntoItem(jsonBody);

                        pqxx::connection databaseConnection(databaseURI);
                        Database::executePreparedStatement_INSERT_ITEM_IN_REQUESTS(databaseConnection, item);

                        return crow::response(200);
                    });
        */

    //set the port, set the app to run on multiple threads, and run the app
    app.ssl_file(configuration.sslCrtPath, configuration.sslKeyPath);
    app.port(18080).multithreaded().run();
}