package mappers

import (
	"apskel-pos-be/internal/entities"
	"apskel-pos-be/internal/models"
)

// ToCustomerPointsResponse converts a customer points entity to a customer points response
func ToCustomerPointsResponse(customerPoints *entities.CustomerPoints) *models.CustomerPointsResponse {
	if customerPoints == nil {
		return nil
	}

	return &models.CustomerPointsResponse{
		ID:         customerPoints.ID,
		CustomerID: customerPoints.CustomerID,
		Balance:    customerPoints.Balance,
		Customer:   ToCustomerResponse(&customerPoints.Customer),
		CreatedAt:  customerPoints.CreatedAt,
		UpdatedAt:  customerPoints.UpdatedAt,
	}
}

// ToCustomerPointsResponses converts a slice of customer points entities to customer points responses
func ToCustomerPointsResponses(customerPoints []entities.CustomerPoints) []models.CustomerPointsResponse {
	responses := make([]models.CustomerPointsResponse, len(customerPoints))
	for i, cp := range customerPoints {
		responses[i] = *ToCustomerPointsResponse(&cp)
	}
	return responses
}

// ToCustomerPointsEntity converts a create customer points request to a customer points entity
func ToCustomerPointsEntity(req *models.CreateCustomerPointsRequest) *entities.CustomerPoints {
	return &entities.CustomerPoints{
		CustomerID: req.CustomerID,
		Balance:    req.Balance,
	}
}

// UpdateCustomerPointsEntity updates a customer points entity with update request data
func UpdateCustomerPointsEntity(customerPoints *entities.CustomerPoints, req *models.UpdateCustomerPointsRequest) {
	if req.Balance >= 0 {
		customerPoints.Balance = req.Balance
	}
}