package abac

import "context"

type Service struct {
	store        Store
	policyEngine PolicyEngine
}

func NewService(store Store, policyEngine PolicyEngine) *Service {
    return &Service{
        store:        store,
        policyEngine: policyEngine,
    }
}

func (service *Service) HasAccess(userID, resourceID string, action string) (bool, error) {
    userAttributes, err := service.store.GetUserAttributes(userID)
    if err != nil {
        return false, err
    }

    resourceAttributes, err := service.store.GetResourceAttributes(resourceID)
    if err != nil {
        return false, err
    }

    ctx := context.Background()
    decision := service.policyEngine.EvaluatePolicy(ctx, userAttributes, resourceAttributes, action)

    return bool(decision), nil
}