package convert

import (
	"strings"
	"sync"
)

type Plugin interface {
	Apply(spec *Spec)
}

var (
	pluginMu sync.RWMutex
	plugins  = map[string]Plugin{}
)

func Register(archKey string, p Plugin) {
	archKey = strings.ToLower(archKey)
	pluginMu.Lock()
	defer pluginMu.Unlock()
	plugins[archKey] = p
}

func pluginForArchitecture(architecture string) Plugin {
	archLower := strings.ToLower(architecture)
	pluginMu.RLock()
	defer pluginMu.RUnlock()
	for k, p := range plugins {
		if strings.Contains(archLower, k) {
			return p
		}
	}
	return nil
}