package dao

import (
	"errors"
)

type UserRepository struct {
	//TODO: should contain db connection. Only a mockup for now
}

func NewUserRepository() *UserRepository {
	return &UserRepository{}
}

func (r *UserRepository) GetUserById(id string) (User, error) {

	for i := 0; i < len(usersList); i++ {
		if usersList[i].Id == id {
			return usersList[i], nil
		}
	}

	//TODO: create a more robust error type for handling user errors
	return User{}, errors.New("could not find user")
}

func (r *UserRepository) GetUserByUsername(username string) (User, error) {

	for i := 0; i < len(usersList); i++ {
		if usersList[i].Username == username {
			return usersList[i], nil
		}
	}

	//TODO: create a more robust error type for handling user errors
	return User{}, errors.New("could not find user")
}

func (r *UserRepository) AddUser(username string, password string) string {

	newUser := User{Id: "2", Username: username, PasswordHash: password}
	usersList = append(usersList, newUser)
	return newUser.Id
}

func (r *UserRepository) GetAllUsers() ([]User, error) {
	return usersList, nil
}

// mock user
type User struct {
	Id           string
	Username     string
	PasswordHash string
}

var usersList = []User{
	{
		Id:           "1",
		Username:     "cmtedouglas",
		PasswordHash: "$2a$14$xEOuOEjuA48ko4IFBjcmoOrtY0dWXMQOPhp0sfcWkUXEw.ABsNkfu",
	},
}