class Vgserver < Formula
  desc "VideoGrace Server"
  homepage "https://videograce.ru"
  url "https://videograce.ru/download/macos/vgserver-3.0.260704-arm64.tar.gz"
  sha256 "4199f0c8fc6a73e9f3654e3aad505b6b58e868c66f22909477c6f80736ff8a11"
  version "3.0.260704"

  depends_on "boost"
  depends_on "openssl@3"

  def install
    bin.install "bin/vgserver"
    pkgshare.install Dir["share/vgserver/*"]

    db_dir = var/"lib/vgserver/db"
    db_dir.mkpath
    (var/"lib/vgserver/storage").mkpath
    (var/"lib/vgserver/certs").mkpath
    (var/"log/vgserver").mkpath
    (etc/"vgserver").mkpath

    Dir[pkgshare/"db/*.db"].each do |db|
      target = db_dir/File.basename(db)
      cp db, target unless target.exist?
    end

    config_path = etc/"vgserver/vgserver.conf"
    unless config_path.exist?
      config = (pkgshare/"vgserver.conf.example").read
        .gsub("__PREFIX__", prefix.to_s)
        .gsub("__OPT_PREFIX__", opt_prefix.to_s)
        .gsub("__VAR__", var.to_s)
        .gsub("__ETC__", etc.to_s)
      config_path.write config
    end
  end

  service do
    run [opt_bin/"vgserver", "/no-service", etc/"vgserver/vgserver.conf"]
    keep_alive true
    working_dir var
    log_path var/"log/vgserver/stdout.log"
    error_log_path var/"log/vgserver/stderr.log"
  end

  test do
    assert_match "VideoGrace Server", shell_output("#{bin}/vgserver /help")
  end
end