class ShadowsocksLibev < Formula
  desc "Libev port of shadowsocks"
  homepage "https://github.com/shadowsocks/shadowsocks-libev"
  url "https://github.com/shadowsocks/shadowsocks-libev/releases/download/v3.2.4/shadowsocks-libev-3.2.4.tar.gz"
  sha256 "65a67c355df1794dc0ef94d80d2d596fd590b13fdcd0a21bda28859c88924ce5"

  bottle do
    cellar :any
    sha256 "9653c022b5e9f1f681b0e543d1f96d7c0aaff4cf1301c079dfe3cfbc6543a3b0" => :mojave
    sha256 "22684f435cb35156078eab5c20661b9639668a43ae15877e213497bfe8e76f4e" => :high_sierra
    sha256 "f28c2470fb78aa875b2516017a2e9b275b398210e6b80f1926875b399a9369c9" => :sierra
  end

  head do
    url "https://github.com/shadowsocks/shadowsocks-libev.git"

    depends_on "autoconf" => :build
    depends_on "automake" => :build
    depends_on "libtool" => :build
  end

  depends_on "asciidoc" => :build
  depends_on "xmlto" => :build
  depends_on "c-ares"
  depends_on "libev"
  depends_on "libsodium"
  depends_on "mbedtls"
  depends_on "pcre"

  def install
    ENV["XML_CATALOG_FILES"] = etc/"xml/catalog"
    system "./autogen.sh" if build.head?

    system "./configure", "--prefix=#{prefix}"
    system "make"

    (buildpath/"shadowsocks-libev.json").write <<~EOS
      {
          "server":"localhost",
          "server_port":8388,
          "local_port":1080,
          "password":"barfoo!",
          "timeout":600,
          "method":null
      }
    EOS
    etc.install "shadowsocks-libev.json"

    inreplace Dir["man/*"], "/etc/shadowsocks-libev/config.json", "#{etc}/shadowsocks-libev.json"

    system "make", "install"
  end

  plist_options :manual => "#{HOMEBREW_PREFIX}/opt/shadowsocks-libev/bin/ss-local -c #{HOMEBREW_PREFIX}/etc/shadowsocks-libev.json -u"

  def plist; <<~EOS
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
    <plist version="1.0">
      <dict>
        <key>Label</key>
        <string>#{plist_name}</string>
        <key>ProgramArguments</key>
        <array>
          <string>#{opt_bin}/ss-local</string>
          <string>-c</string>
          <string>#{etc}/shadowsocks-libev.json</string>
          <string>-u</string>
        </array>
        <key>RunAtLoad</key>
        <true/>
        <key>KeepAlive</key>
        <true/>
      </dict>
    </plist>
  EOS
  end

  test do
    (testpath/"shadowsocks-libev.json").write <<~EOS
      {
          "server":"127.0.0.1",
          "server_port":9998,
          "local":"127.0.0.1",
          "local_port":9999,
          "password":"test",
          "timeout":600,
          "method":null
      }
    EOS
    server = fork { exec bin/"ss-server", "-c", testpath/"shadowsocks-libev.json" }
    client = fork { exec bin/"ss-local", "-c", testpath/"shadowsocks-libev.json" }
    sleep 3
    begin
      system "curl", "--socks5", "127.0.0.1:9999", "github.com"
    ensure
      Process.kill 9, server
      Process.wait server
      Process.kill 9, client
      Process.wait client
    end
  end
end