package cartsRepo

import (
	"git.ma-al.com/goc_daniel/b2b/app/db"
	"git.ma-al.com/goc_daniel/b2b/app/model"
	constdata "git.ma-al.com/goc_daniel/b2b/app/utils/const_data"
)

type UICartsRepo interface {
	CartsAmount(user_id uint) (uint, error)
	CreateNewCart(user_id uint) (model.CustomerCart, error)
	UserHasCart(user_id uint, cart_id uint) (uint, error)
	UpdateCartName(user_id uint, cart_id uint, new_name string) error
	RetrieveCart(user_id uint, cart_id uint) (*model.CustomerCart, error)
}

type CartsRepo struct{}

func New() UICartsRepo {
	return &CartsRepo{}
}

func (repo *CartsRepo) CartsAmount(user_id uint) (uint, error) {
	var amt uint

	err := db.DB.
		Table("b2b_customer_carts").
		Select("COUNT(*) AS amt").
		Where("user_id = ?", user_id).
		Scan(&amt).
		Error

	return amt, err
}

func (repo *CartsRepo) CreateNewCart(user_id uint) (model.CustomerCart, error) {
	var name string
	name = constdata.DEFAULT_NEW_CART_NAME

	cart := model.CustomerCart{
		UserID: uint64(user_id),
		Name:   &name,
	}
	err := db.DB.Create(&cart).Error

	return cart, err
}

func (repo *CartsRepo) UserHasCart(user_id uint, cart_id uint) (uint, error) {
	var amt uint

	err := db.DB.
		Table("b2b_customer_carts").
		Select("COUNT(*) AS amt").
		Where("user_id = ? AND cart_id = ?", user_id, cart_id).
		Scan(&amt).
		Error

	return amt, err
}

func (repo *CartsRepo) UpdateCartName(user_id uint, cart_id uint, new_name string) error {
	err := db.DB.
		Table("b2b_customer_carts").
		Where("user_id = ? AND cart_id = ?", user_id, cart_id).
		Update("name", new_name).
		Error

	return err
}

func (repo *CartsRepo) RetrieveCart(user_id uint, cart_id uint) (*model.CustomerCart, error) {
	var cart model.CustomerCart

	err := db.DB.
		Preload("b2b_carts_products").
		Where("user_id = ? AND cart_id = ?", user_id, cart_id).
		First(&cart).
		Error

	return &cart, err
}