package entities

import (
	"errors"
	"time"

	"github.com/google/uuid"
)

const UserTable = "users"

type User struct {
	Id          uuid.UUID `db:"id"`
	UserName    string    `db:"username"`
	Password    string    `db:"password"`
	Name        string    `db:"name"`
	Role        string    `db:"role"`
	Speciality  string    `db:"speciality"`
	Description string    `db:"description"`
	Skills      string    `db:"skills"`
	Avatar      string    `db:"avatar"`
	JoinDate    time.Time `db:"joindate"`
	Projects    string    `db:"projects"`
	Motto       string    `db:"motto"`
}

func CreateUser(
	userName string,
	password string,
	name string,
	role string,
	speciality string,
	description string,
	skills string,
	avatar string,
	joinDate time.Time,
	projects string,
	motto string,
) (user User, err error) {

	user = User{
		Id:          uuid.New(),
		UserName:    userName,
		Password:    password,
		Name:        name,
		Role:        role,
		Speciality:  speciality,
		Description: description,
		Skills:      skills,
		Avatar:      avatar,
		JoinDate:    joinDate,
		Projects:    projects,
		Motto:       motto,
	}

	err = user.Validate()

	return
}

func (u *User) Validate() error {
	if err := uuid.Validate(u.Id.String()); err != nil {
		return errors.New("invalid user.id")
	}

	if u.UserName == "" {
		return errors.New("empty user.username")
	}

	if u.Password == "" {
		return errors.New("empty user.password")
	}

	if u.Role == "" {
		return errors.New("empty user.role")
	}

	if u.Name == "" {
		return errors.New("empty user.name")
	}

	if u.Speciality == "" {
		return errors.New("empty user.speciality")
	}

	if u.Description == "" {
		return errors.New("empty user.description")
	}

	if u.Skills == "" {
		return errors.New("empty user.skills")
	}

	if u.Avatar == "" {
		return errors.New("empty user.avatar")
	}

	if u.Projects == "" {
		return errors.New("empty user.projects")
	}

	if u.Motto == "" {
		return errors.New("empty user.motto")
	}

	if u.JoinDate.IsZero() {
		return errors.New("empty user.joinDate")
	}

	return nil
}