package registry

import (
	"fmt"

	"git.maximhutz.com/max/lambda/pkg/engine"
)

type Engine interface {
	Load() Process
	Name() string
	InType() string
}

type convertedEngine[T any] struct {
	engine engine.Engine[T]
	name   string
	inType string
}

func (e convertedEngine[T]) InType() string { return e.inType }

func (e convertedEngine[T]) Name() string { return e.name }

func (e convertedEngine[T]) Load() Process {
	return convertedProcess[T]{e.engine.Load(), e.inType}
}

func RegisterEngine[T any](registry *Registry, e engine.Engine[T], name, inType string) error {
	if _, ok := registry.engines[name]; ok {
		return fmt.Errorf("engine '%s' already registered", name)
	}

	registry.engines[name] = &convertedEngine[T]{e, name, inType}
	return nil
}