package router

import (
	"sync"

	"go.jolheiser.com/vanity/service"
)

var cache = &packageCache{
	packages: make(map[string]*service.Package),
}

type packageCache struct {
	packages map[string]*service.Package
	sync.Mutex
}

func (c *packageCache) Update(packages map[string]*service.Package) {
	c.Lock()
	c.packages = packages
	c.Unlock()
}

func (c *packageCache) Names() []string {
	names := make([]string, len(c.packages))
	idx := 0
	for name := range c.packages {
		names[idx] = name
		idx++
	}
	return names
}