package web

import (
	"gitgud.io/mike/mpv-manager/pkg/config"
	"gitgud.io/mike/mpv-manager/pkg/installer"
)

// releaseSnapshot returns an immutable copy for a request or background job.
func (s *Server) releaseSnapshot() *installer.ReleaseInfo {
	s.releaseInfoMux.RLock()
	defer s.releaseInfoMux.RUnlock()
	if s.releaseInfo == nil {
		return nil
	}
	snapshot := *s.releaseInfo
	return &snapshot
}

func (s *Server) installerForOperation(installDir string) *installer.Installer {
	if installDir == "" {
		installDir = config.GetInstallPath()
	}
	release := s.releaseSnapshot()
	if release == nil {
		release = &installer.ReleaseInfo{}
	}
	return s.installer.CloneForOperation(*release, installDir)
}