{ stdenv, fetchurl, makeDesktopItem, makeWrapper, patchelf, p7zip, jdk
, coreutils, gnugrep, which, git, python, unzip
}:

assert stdenv.isLinux;

let

  mkIdeaProduct =
  { name, product, version, build, src, meta }:

  let loName = stdenv.lib.toLower product;
      hiName = stdenv.lib.toUpper product; in

  with stdenv; lib.makeOverridable mkDerivation rec {
    inherit name build src meta;
    desktopItem = makeDesktopItem {
      name = loName;
      exec = loName;
      comment = lib.replaceChars ["\n"] [" "] meta.longDescription;
      desktopName = product;
      genericName = meta.description;
      categories = "Application;Development;";
      icon = loName;
    };

    buildInputs = [ makeWrapper patchelf p7zip unzip ];

    patchPhase = ''

      get_file_size() {
          local fname="$1"
          echo $(ls -l $fname | cut -d ' ' -f5)
      }

      munge_size_hack() {
          local fname="$1"
          local size="$2"
          strip $fname
          truncate --size=$size $fname
      }

      interpreter=$(echo ${stdenv.glibc}/lib/ld-linux*.so.2)
      snappyPath="lib/snappy-java-1.0.5"

      7z x -o"$snappyPath" "$snappyPath.jar"
      if [ "${stdenv.system}" == "x86_64-linux" ]; then
        target_size=$(get_file_size bin/fsnotifier64)
        patchelf --set-interpreter "$interpreter" bin/fsnotifier64
        patchelf --set-rpath ${stdenv.gcc.gcc}/lib64/ "$snappyPath/org/xerial/snappy/native/Linux/amd64/libsnappyjava.so"
        munge_size_hack bin/fsnotifier64 $target_size
      else
        target_size=$(get_file_size bin/fsnotifier)
        patchelf --set-interpreter "$interpreter" bin/fsnotifier
        patchelf --set-rpath ${stdenv.gcc.gcc}/lib/ "$snappyPath/org/xerial/snappy/native/Linux/i386/libsnappyjava.so"
        munge_size_hack bin/fsnotifier $target_size
      fi
      7z a -tzip "$snappyPath.jar" ./"$snappyPath"/*
      rm -vr "$snappyPath"
    '';

    installPhase = ''
      mkdir -vp "$out/bin" "$out/$name" "$out/share/pixmaps"
      cp -va . "$out/$name"
      ln -s "$out/$name/bin/${loName}.png" "$out/share/pixmaps/"

      [ -d ${jdk}/lib/openjdk ] \
        && jdk=${jdk}/lib/openjdk \
        || jdk=${jdk}

      makeWrapper "$out/$name/bin/${loName}.sh" "$out/bin/${loName}" \
        --prefix PATH : "${jdk}/bin:${coreutils}/bin:${gnugrep}/bin:${which}/bin:${git}/bin" \
        --prefix LD_RUN_PATH : "${stdenv.gcc.gcc}/lib/" \
        --prefix JDK_HOME : "$jdk" \
        --prefix ${hiName}_JDK : "$jdk"

      cp -a "${desktopItem}"/* "$out"
    '';

  };

  buildAndroidStudio = { name, version, build, src, license, description }:
    (mkIdeaProduct rec {
      inherit name version build src;
      product = "Studio";
      meta = with stdenv.lib; {
        homepage = https://developer.android.com/sdk/installing/studio.html;
        inherit description license;
        longDescription = ''
          Android development environment based on IntelliJ
          IDEA providing new features and improvements over
          Eclipse ADT and will be the official Android IDE
          once it's ready.
        '';
        platforms = platforms.linux;
        maintainers = with maintainers; [ edwtjo ];
      };
    });

  buildPycharm = { name, version, build, src, license, description }:
    (mkIdeaProduct rec {
      inherit name version build src;
      product = "PyCharm";
      meta = with stdenv.lib; {
        homepage = "https://www.jetbrains.com/pycharm/";
        inherit description license;
        longDescription = ''
          Python IDE with complete set of tools for productive
          development with Python programming language. In addition, the
          IDE provides high-class capabilities for professional Web
          development with Django framework and Google App Engine. It
          has powerful coding assistance, navigation, a lot of
          refactoring features, tight integration with various Version
          Control Systems, Unit testing, powerful all-singing
          all-dancing Debugger and entire customization. PyCharm is
          developer driven IDE. It was developed with the aim of
          providing you almost everything you need for your comfortable
          and productive development!
        '';
        maintainers = with maintainers; [ jgeerds ];
        platforms = platforms.linux;
      };
    }).override {
      propagatedUserEnvPkgs = [ python ];
    };

  buildIdea = { name, version, build, src, license, description }:
    (mkIdeaProduct rec {
      inherit name version build src;
      product = "IDEA";
      meta = with stdenv.lib; {
        homepage = "https://www.jetbrains.com/idea/";
        inherit description license;
        longDescription = ''
          IDE for Java SE, Groovy & Scala development Powerful
          environment for building Google Android apps Integration
          with JUnit, TestNG, popular SCMs, Ant & Maven.
        '';
        maintainers = with maintainers; [ edwtjo ];
        platforms = platforms.linux;
      };
    });

in

{

  android-studio = buildAndroidStudio rec {
    name = "android-studio-${version}";
    version = "0.8.12";
    build = "135.1503853";
    description = "Android development environment based on IntelliJ IDEA";
    license = stdenv.lib.licenses.asl20;
    src = fetchurl {
      url = "https://dl.google.com/dl/android/studio/ide-zips/${version}" +
            "/android-studio-ide-${build}-linux.zip";
      sha256 = "225c8b2f90b9159c465eae5797132350660994184a568c631d4383313a510695";
    };
  };

  idea-community = buildIdea rec {
    name = "idea-community-${version}";
    version = "13.1.5";
    build = "IC-135.1289";
    description = "Integrated Development Environment (IDE) by Jetbrains, community edition";
    license = stdenv.lib.licenses.asl20;
    src = fetchurl {
      url = "http://download-ln.jetbrains.com/idea/ideaIC-${version}.tar.gz";
      sha256 = "e08b9adad0ed9aa62a43f3026a1b499d1663710314d00a3bec2e171a6c375f09";
    };
  };

  idea-ultimate = buildIdea rec {
    name = "idea-ultimate-${version}";
    version = "13.1.5";
    build = "IU-135.1289";
    description = "Integrated Development Environment (IDE) by Jetbrains, requires paid license";
    license = stdenv.lib.licenses.unfree;
    src = fetchurl {
      url = "http://download-ln.jetbrains.com/idea/ideaIU-${version}.tar.gz";
      sha256 = "0800b1ffc135f884e46f1004289fb75850148d705afc447d3374cfd281c231a2";
    };
  };

  pycharm-community = buildPycharm rec {
    name = "pycharm-community-${version}";
    version = "3.4.1";
    build = "135.1057";
    description = "PyCharm 3.4 Community Edition";
    license = stdenv.lib.licenses.asl20;
    src = fetchurl {
      url = "http://download.jetbrains.com/python/${name}.tar.gz";
      sha256 = "96427b1e842e7c09141ec4d3ede627c5ca7d821c0d6c98169b56a34f9035ef64";
    };
  };

  pycharm-professional = buildPycharm rec {
    name = "pycharm-professional-${version}";
    version = "3.4.1";
    build = "135.1057";
    description = "PyCharm 3.4 Professional Edition";
    license = stdenv.lib.licenses.unfree;
    src = fetchurl {
      url = "http://download.jetbrains.com/python/${name}.tar.gz";
      sha256 = "e4f85f3248e8985ac9f8c326543f979b47ba1d7ac6b128a2cf2b3eb8ec545d2b";
    };
  };

}