package usecase

import (
	"context"

	"github.com/gofrs/uuid/v5"
	"github.com/saveinmed/backend-go/internal/domain"
)

// GetPaymentGatewayConfig returns the configuration for a specific provider
func (s *Service) GetPaymentGatewayConfig(ctx context.Context, provider string) (*domain.PaymentGatewayConfig, error) {
	return s.repo.GetPaymentGatewayConfig(ctx, provider)
}

// UpsertPaymentGatewayConfig updates global gateway configuration
func (s *Service) UpsertPaymentGatewayConfig(ctx context.Context, config *domain.PaymentGatewayConfig) error {
	// Logic to encrypt credentials could go here
	return s.repo.UpsertPaymentGatewayConfig(ctx, config)
}

// GetSellerPaymentAccount returns a seller's connected account details
func (s *Service) GetSellerPaymentAccount(ctx context.Context, sellerID uuid.UUID) (*domain.SellerPaymentAccount, error) {
	return s.repo.GetSellerPaymentAccount(ctx, sellerID)
}

// OnboardSeller initiates the onboarding process for a seller (e.g. Stripe Connect)
func (s *Service) OnboardSeller(ctx context.Context, sellerID uuid.UUID, gateway string) (string, error) {
	// 1. Generate Connect Link (Mock for now or call gateway)
	// For MVP, just return a dummy link and create pending record
	// Real implementation would use s.pay.CreateConnectLink(...)

	// Ensure record exists
	account := &domain.SellerPaymentAccount{
		SellerID:    sellerID,
		Gateway:     gateway,
		Status:      "pending",
		AccountType: "standard", // default
	}
	if err := s.repo.UpsertSellerPaymentAccount(ctx, account); err != nil {
		return "", err
	}

	return "https://connect.stripe.com/oauth/authorize?response_type=code&client_id=ca_123&scope=read_write", nil
}