package cache

import "sync"

var systemPermissions []string
var sp sync.RWMutex

/*
func AddSystemPermission(permission string) {
	sp.Lock()
	systemPermissions = append(systemPermissions, permission)
	sp.Unlock()
} */

func AddSystemPermissions(permissions []string) {
	sp.Lock()

	for _, permission := range permissions {
		systemPermissions = append(systemPermissions, permission)
	}

	sp.Unlock()
}

func DeleteSystemPermission(permission string) {
	sp.Lock()

	for i := 0; i < len(systemPermissions); i++ {
		if systemPermissions[i] == permission {
			systemPermissions = removeSystemPermission(systemPermissions, i)
			break
		}
	}

	sp.Unlock()
}

func removeSystemPermission(permissions []string, i int) []string {
	return append(permissions[:i], permissions[i+1:]...)
}

func GetSystemPermissions() []string {
	sp.RLock()
	defer sp.RUnlock()

	return systemPermissions
}