class Dovecot < Formula
  desc "IMAP/POP3 server"
  homepage "https://dovecot.org/"
  url "https://dovecot.org/releases/2.3/dovecot-2.3.19.tar.gz"
  sha256 "0173f693d441b6248b8a62aa5fd690021a1f04a12902653e0bf2e5b012fe437b"
  license all_of: ["BSD-3-Clause", "LGPL-2.1-or-later", "MIT", "Unicode-DFS-2016", :public_domain]
  revision 1

  livecheck do
    url "https://www.dovecot.org/download/"
    regex(/href=.*?dovecot[._-]v?(\d+(?:\.\d+)+)\.t/i)
  end

  bottle do
    sha256 arm64_monterey: "4e6965e44ff277016d883d1f838d68eb5075c0a5aa24552ee9f2a2c8f16cb3f4"
    sha256 arm64_big_sur:  "7744466128fb64d901faf422bfa95b5641bef60535c96f9a2081cfbfb74a1a26"
    sha256 monterey:       "6eac5a2166b8b7a8ef98752c3defd05b80cc52c4bb444293a530fcfe996798b6"
    sha256 big_sur:        "62584be2a0ed06a36d110459aac4a563df3ace40a634a7f637eece51069bbaac"
    sha256 catalina:       "985473635ba7fdf753f8d00b1aad724827c933376f52974e97216d21f4413483"
    sha256 x86_64_linux:   "92c6f17d69ad305ff36a588b9362c55b74be48fbef4d4e9e760f5f3721fd093f"
  end

  depends_on "openssl@1.1"

  uses_from_macos "bzip2"
  uses_from_macos "libxcrypt"
  uses_from_macos "sqlite"

  on_linux do
    depends_on "linux-pam"
    depends_on "zstd"
  end

  resource "pigeonhole" do
    url "https://pigeonhole.dovecot.org/releases/2.3/dovecot-2.3-pigeonhole-0.5.19.tar.gz"
    sha256 "10b923efcc6f3c4d92ecdbb780e12a5c33e6d0fdbe3aba5fcd3ecde4179c730c"

    # Fix -flat_namespace being used on Big Sur and later.
    patch do
      url "https://raw.githubusercontent.com/Homebrew/formula-patches/03cf8088210822aa2c1ab544ed58ea04c897d9c4/libtool/configure-big_sur.diff"
      sha256 "35acd6aebc19843f1a2b3a63e880baceb0f5278ab1ace661e57a502d9d78c93c"
    end
  end

  # Fix -flat_namespace being used on Big Sur and later.
  patch do
    url "https://raw.githubusercontent.com/Homebrew/formula-patches/03cf8088210822aa2c1ab544ed58ea04c897d9c4/libtool/configure-big_sur.diff"
    sha256 "35acd6aebc19843f1a2b3a63e880baceb0f5278ab1ace661e57a502d9d78c93c"
  end

  def install
    args = %W[
      --prefix=#{prefix}
      --disable-dependency-tracking
      --libexecdir=#{libexec}
      --sysconfdir=#{etc}
      --localstatedir=#{var}
      --with-bzlib
      --with-pam
      --with-sqlite
      --with-ssl=openssl
      --with-zlib
    ]

    system "./configure", *args
    system "make", "install"

    resource("pigeonhole").stage do
      args = %W[
        --disable-dependency-tracking
        --with-dovecot=#{lib}/dovecot
        --prefix=#{prefix}
      ]

      system "./configure", *args
      system "make"
      system "make", "install"
    end
  end

  def caveats
    <<~EOS
      For Dovecot to work, you may need to create a dovecot user
      and group depending on your configuration file options.
    EOS
  end

  plist_options startup: true

  service do
    run [opt_sbin/"dovecot", "-F"]
    environment_variables PATH: std_service_path_env
    error_log_path var/"log/dovecot/dovecot.log"
    log_path var/"log/dovecot/dovecot.log"
  end

  test do
    assert_match version.to_s, shell_output("#{sbin}/dovecot --version")

    cp_r share/"doc/dovecot/example-config", testpath/"example"
    inreplace testpath/"example/conf.d/10-master.conf" do |s|
      s.gsub! "#default_login_user = dovenull", "default_login_user = #{ENV["USER"]}"
      s.gsub! "#default_internal_user = dovecot", "default_internal_user = #{ENV["USER"]}"
    end
    system bin/"doveconf", "-c", testpath/"example/dovecot.conf"
  end
end