// Package usecase implements application business logic.
package usecase

import (
	"context"

	"go-crm/pkg/domain"
)

// LeadService coordinates lead-related business rules.
type LeadService struct {
	Repo domain.LeadRepository
}

// NewLeadService constructs a LeadService with the given repository.
func NewLeadService(repo domain.LeadRepository) *LeadService {
	return &LeadService{Repo: repo}
}

// ListAllLeads returns paginated leads for a client.
func (s *LeadService) ListAllLeads(ctx context.Context, clientID int64, limit, offset int) ([]domain.Lead, error) {
	return s.Repo.ListAll(ctx, clientID, limit, offset)
}

// UpdateLead applies updates to a lead.
func (s *LeadService) UpdateLead(ctx context.Context, lead domain.Lead) error {
	return s.Repo.Update(ctx, lead)
}