package models

import (
	"database/sql"
	"errors"
)

type User struct {
	Username string
}

type UserModel struct {
	DB *sql.DB
}

// Insert
func (m *UserModel) Insert(username string, password string) (int, error) {
	stmt := `INSERT INTO users (username, password, created)
        VALUES(?, ?, UTC_TIMESTAMP())`

	result, err := m.DB.Exec(stmt, username, password)
	if err != nil {
		return 0, err
	}

	id, err := result.LastInsertId()
	if err != nil {
		return 0, err
	}

	return int(id), nil
}

// Get
func (m *UserModel) Get(id int) (User, error) {
	stmt := "SELECT id, username FROM users WHERE id = ?"

	var u User

	err := m.DB.QueryRow(stmt, id).Scan(&u.Username)
	if err != nil {
		if errors.Is(err, sql.ErrNoRows) {
			return User{}, ErrNoRecord
		} else {
			return User{}, err
		}
	}

	return u, nil
}