class Pyenv < Formula
  desc "Python version management"
  homepage "https://github.com/pyenv/pyenv"
  url "https://github.com/pyenv/pyenv/archive/refs/tags/v2.8.14.tar.gz"
  sha256 "0db903040bd06f4adc333bff60aefbdfc4af522f8e2b13f9cce3fbf721b3e468"
  license "MIT"
  version_scheme 1
  compatibility_version 1
  head "https://github.com/pyenv/pyenv.git", branch: "master"

  livecheck do
    url :stable
    regex(/^v?(\d+(?:\.\d+)+(-\d+)?)$/i)
  end

  bottle do
    sha256 cellar: :any, arm64_golden_gate: "07b36168987ba18420266ab6e13f15dcfdd6384ddf00bc24fc1043cbf6079c02"
    sha256 cellar: :any, arm64_tahoe:       "a2b32abca6682dfc8e44efab996abd681355b45c312f2ea51b5277a7ea194d57"
    sha256 cellar: :any, arm64_sequoia:     "56addadca7a081b3924d7ea9af73aeabc44e86b561148bf57f50478100a8a50a"
    sha256 cellar: :any, arm64_linux:       "5c0f613e4cd7b6a8622bbb4484f9843f2ab70dfdbc62bae8c16bf8785050e1ac"
    sha256 cellar: :any, x86_64_linux:      "a62152c622520d02eb84d37e7c99fae424347fce25eeb14460afcd5a3ebea354"
  end

  depends_on "autoconf"
  depends_on "openssl@4"
  depends_on "pkgconf"
  depends_on "readline"

  uses_from_macos "python" => :test
  uses_from_macos "bzip2"
  uses_from_macos "libffi"
  uses_from_macos "ncurses"
  uses_from_macos "xz"

  on_linux do
    depends_on "zlib-ng-compat"
  end

  deny_network_access!

  def install
    inreplace "libexec/pyenv", "/usr/local", HOMEBREW_PREFIX
    inreplace "libexec/pyenv-rehash", "$(command -v pyenv)", opt_bin/"pyenv"
    inreplace "pyenv.d/rehash/source.bash", "$(command -v pyenv)", opt_bin/"pyenv"

    system "src/configure"
    system "make", "-C", "src"

    prefix.install Dir["*"]
    %w[pyenv-install pyenv-uninstall python-build].each do |cmd|
      bin.install_symlink "#{prefix}/plugins/python-build/bin/#{cmd}"
    end

    share.install prefix/"man"

    # Do not manually install shell completions. See:
    #   - https://github.com/pyenv/pyenv/issues/1056#issuecomment-356818337
    #   - https://github.com/Homebrew/homebrew-core/pull/22727
  end

  test do
    # Create a fake python version and executable.
    pyenv_root = Pathname(shell_output("#{bin}/pyenv root").strip)
    python_bin = pyenv_root/"versions/1.2.3/bin"
    foo_script = python_bin/"foo"
    foo_script.write "echo hello"
    chmod "+x", foo_script

    # Test versions.
    versions = shell_output("eval \"$(#{bin}/pyenv init --path)\" " \
                            "&& eval \"$(#{bin}/pyenv init -)\" " \
                            "&& #{bin}/pyenv versions").split("\n")
    assert_equal 2, versions.length
    assert_match(/\* system/, versions[0])
    assert_equal("  1.2.3", versions[1])

    # Test rehash.
    system bin/"pyenv", "rehash"
    refute_match "Cellar", (pyenv_root/"shims/foo").read
    assert_equal "hello", shell_output("eval \"$(#{bin}/pyenv init --path)\" " \
                                       "&& eval \"$(#{bin}/pyenv init -)\" " \
                                       "&& PYENV_VERSION='1.2.3' foo").chomp
  end
end