class YamsNightly < Formula
  desc "Yet Another Memory System - High-performance content-addressed storage (Nightly)"
  homepage "https://github.com/trvon/yams"
  version "__VERSION__"
  license "GPL-3.0-or-later"

  if Hardware::CPU.arm?
    url "https://github.com/trvon/yams/releases/download/__TAG__/yams-__VERSION__-macos-arm64.zip"
    sha256 "__SHA256_ARM64__"
  else
    url "https://github.com/trvon/yams/releases/download/__TAG__/yams-__VERSION__-macos-x86_64.zip"
    sha256 "__SHA256_X86_64__"
  end

  conflicts_with "yams", because: "both install the same binaries"

  def install
    root = if Dir.exist?("local/bin")
      Pathname("local")
    elsif Dir.exist?("usr/local/bin")
      Pathname("usr/local")
    elsif Dir.exist?("bin")
      Pathname(".")
    else
      odie "Could not locate install tree (expected local/bin, usr/local/bin, or bin)"
    end

    bin.install Dir[(root/"bin/*").to_s]

    # Skip spdlog to avoid conflicts
    (root/"include/spdlog").rmtree if (root/"include/spdlog").exist?

    include.install Dir[(root/"include/*").to_s] if (root/"include").exist?
    lib.install Dir[(root/"lib/*").to_s] if (root/"lib").exist?

    # Runtime assets (schemas, etc.)
    share.install Dir[(root/"share/*").to_s] if (root/"share").exist?
  end

  service do
    run [opt_bin/"yams-daemon"]
    keep_alive true
    log_path var/"log/yams-daemon.log"
    error_log_path var/"log/yams-daemon.log"
    environment_variables YAMS_STORAGE: var/"lib/yams"
  end

  def caveats
    <<~EOS
      You have installed the nightly build of YAMS.
      This version is updated frequently and may be unstable.

      For stable releases, use: brew install trvon/yams/yams

      Initialize YAMS storage:
        yams init .

      To start the YAMS daemon as a service:
        brew services start yams-nightly

      Or (via tap alias):
        brew services start trvon/yams/yams@nightly

      Documentation: https://yamsmemory.ai
    EOS
  end

  test do
    assert_match(/nightly|dev/, shell_output("#{bin}/yams --version"))
    system bin/"yams", "init", "--non-interactive", "--storage", testpath/"yams-test"
    assert_path_exists testpath/"yams-test/yams.db"
  end
end