// Package integration provides MCP SDK integration.
package integration

// Resource represents an MCP resource.
type Resource interface {
	Name() string
	Read() ([]byte, error)
	Write(data []byte) error
}

// RegisterFilteredResource registers a resource with filters.
func (fs *FilteredMCPServer) RegisterFilteredResource(resource Resource, filters ...Filter) error {
	// Create filter chain for resource
	chain := NewFilterChain()
	for _, filter := range filters {
		chain.Add(filter)
	}

	// Wrap resource with access control
	filteredResource := &FilteredResource{
		resource: resource,
		chain:    chain,
	}

	// Register with MCP server
	// return fs.MCPServer.RegisterResource(filteredResource)
	_ = filteredResource
	return nil
}

// FilteredResource wraps a resource with filtering.
type FilteredResource struct {
	resource Resource
	chain    *FilterChain
}

// Read reads resource with filtering.
func (fr *FilteredResource) Read() ([]byte, error) {
	// Read resource
	data, err := fr.resource.Read()
	if err != nil {
		return nil, err
	}

	// Apply filters to read data
	// return fr.chain.Process(data)
	return data, nil
}

// Write writes to resource with filtering.
func (fr *FilteredResource) Write(data []byte) error {
	// Apply filters to write data
	// filtered, err := fr.chain.Process(data)
	// if err != nil {
	//     return err
	// }

	// Write to resource
	return fr.resource.Write(data)
}
