'use strict';
var Adapter;
var UserTable;

function setAdapter(adapter) {
    Adapter = adapter;
    setUser();
}

function setUser() {
    UserTable = Adapter.User;
}

class User{

    constructor(){}

    //create
    createUser (name, email,pass,address,phone){
      return new Promise(function (resolve,reject){
        UserTable.find({
          where: {email : email}
        })
        .then(function(user){
          if (user) {
            console.log("error! already has user with email " + email);
            //res.send(user);
            reject(user);
            //return ("Erro! Já existe um usuário cadastrado com o email " + email);
          } else {
            UserTable.create({
              name: name,
              email: email,
              password: pass,
              address:address,
              phone: phone
            }).then((user2) => {
              console.log("created user: " + JSON.stringify(user2.dataValues) );
              resolve(user2);
            });
          }
        });
    });
    }

    readUser(email){ // get mesmo?
        return new Promise(function (resolve,reject){
        UserTable.find({
            where: {email : email}
        }).then(function(user){
            if (user) { // not found returns null
                    console.log("found user: " + JSON.stringify(user.dataValues) );
                    console.log("\n\n");
                    user.getKids().then((kids) => {
                        var counter = 0;
                        for (counter; counter < kids.length; counter++) {
                            var values = kids[counter].dataValues;
                            console.log(JSON.stringify(values)+"\n\n");
                        }

                    });
                    resolve (user);

            } else{
                    reject ("not found");
                //res.send("Erro! Não encontrou usuário com email " + email);
                console.log("did not found user with email " + email);
            }
        });
        });
    };

    readUsers(){
        return new Promise(function (resolve,reject){
            UserTable.findAll({
            }).then(function(users){
                resolve(users);
            });
        });
    };

    updateUser(name, email,password,address,phone){
        return new Promise(function (resolve,reject){
            UserTable.update({
                name: name,
                email: email,
                password: password,
                address:address,
                phone: phone
            }, { where : {email : email }
            }).then((query) => {
                UserTable.find({
                    where: {email : email}
                }).then(function(user){
                    if (user)
                        resolve (user);
                    else
                        reject (user);
                    console.log('updated %d users to: (%s,%s,%s)',user,name,email,password,address,phone);
                });
            });
        });
    }
    deleteUser(email){
    // TODO falta verificar se a senha bate
    // TODO falta verificar se existe pedidos em andamento
    // TODO falta apagar os pedidos e as crianças dependentes.
        return new Promise(function (resolve,reject){

        UserTable.destroy({
            where : { email: email}
        }).then(function (user) {
                resolve([user]);
            console.log("removed %d users and references with email: %s",user, email);
        });
        });

    }


}


module.exports = {
    User: User,
    setAdapter: setAdapter
};