package service

import (
	"context"
	"fmt"

	"apskel-pos-be/internal/models"
	"apskel-pos-be/internal/processor"
)

type CustomerPointsService interface {
	GetCustomerPoints(ctx context.Context, customerID string) (*models.GetCustomerPointsResponse, error)
	GetCustomerTokens(ctx context.Context, customerID string) (*models.GetCustomerTokensResponse, error)
	GetCustomerWallet(ctx context.Context, customerID string) (*models.GetCustomerWalletResponse, error)
}

type customerPointsService struct {
	customerPointsProcessor *processor.CustomerPointsProcessor
}

func NewCustomerPointsService(customerPointsProcessor *processor.CustomerPointsProcessor) CustomerPointsService {
	return &customerPointsService{
		customerPointsProcessor: customerPointsProcessor,
	}
}

func (s *customerPointsService) GetCustomerPoints(ctx context.Context, customerID string) (*models.GetCustomerPointsResponse, error) {
	if customerID == "" {
		return nil, fmt.Errorf("customer ID is required")
	}

	response, err := s.customerPointsProcessor.GetCustomerTotalPointsAPI(ctx, customerID)
	if err != nil {
		return nil, fmt.Errorf("failed to get customer points: %w", err)
	}

	return response, nil
}

func (s *customerPointsService) GetCustomerTokens(ctx context.Context, customerID string) (*models.GetCustomerTokensResponse, error) {
	if customerID == "" {
		return nil, fmt.Errorf("customer ID is required")
	}

	response, err := s.customerPointsProcessor.GetCustomerTotalTokensAPI(ctx, customerID)
	if err != nil {
		return nil, fmt.Errorf("failed to get customer tokens: %w", err)
	}

	return response, nil
}

func (s *customerPointsService) GetCustomerWallet(ctx context.Context, customerID string) (*models.GetCustomerWalletResponse, error) {
	if customerID == "" {
		return nil, fmt.Errorf("customer ID is required")
	}

	response, err := s.customerPointsProcessor.GetCustomerWalletAPI(ctx, customerID)
	if err != nil {
		return nil, fmt.Errorf("failed to get customer wallet: %w", err)
	}

	return response, nil
}