package oauth

import (
	"context"

	"github.com/yaoapp/yao/openapi/oauth/types"
)

// Introspect returns information about an access token
// This endpoint allows resource servers to validate tokens
func (s *Service) Introspect(ctx context.Context, token string) (*types.TokenIntrospectionResponse, error) {
	// TODO: Implement token introspection
	return nil, nil
}

// TokenExchange exchanges one token for another token
// This implements RFC 8693 for token exchange scenarios
func (s *Service) TokenExchange(ctx context.Context, subjectToken string, subjectTokenType string, audience string, scope string) (*types.TokenExchangeResponse, error) {
	// TODO: Implement token exchange
	return nil, nil
}

// ValidateTokenAudience validates token audience claims
// This ensures tokens are only used with their intended audiences
func (s *Service) ValidateTokenAudience(ctx context.Context, token string, expectedAudience string) (*types.ValidationResult, error) {
	// TODO: Implement token audience validation
	return nil, nil
}

// ValidateTokenBinding validates token binding information
// This ensures tokens are bound to the correct client or device
func (s *Service) ValidateTokenBinding(ctx context.Context, token string, binding *types.TokenBinding) (*types.ValidationResult, error) {
	// TODO: Implement token binding validation
	return nil, nil
}