package object

import "fmt"

// Module is the module type used to represent a collection of variabels.
type Module struct {
	Name  string
	Attrs Object
}

func (m Module) String() string {
	return m.Inspect()
}

func (m Module) Type() Type {
	return ModuleType
}

func (m Module) Bool() bool {
	return true
}

func (m Module) Inspect() string {
	return fmt.Sprintf("<module '%s'>", m.Name)
}

func (m Module) Get(index Object) (Object, error) {
	key, ok := index.(Hasher)
	if !ok {
		return nil, fmt.Errorf("invalid module attribute %s", index.Type())
	}

	attr, found := m.Attrs.(*Hash).Pairs[key.Hash()]
	if !found {
		return Null{}, nil
	}

	return attr.Value, nil
}

func (m Module) Compare(other Object) int {
	return 1
}