{ builtins
, stdenv
, cd
, fetchurl
, lsb-release
, pkg-config
, gtk2
, gtk3
, webkitgtk_4_1
, libsoup_3
, im
, libGL
, libGLU
, lua
, lib
, ftgl-tecgraf
, withGTK3 ? false
}:

let
  makePc = import ./make-pc.nix { inherit lib builtins; };
in stdenv.mkDerivation rec {
  pname = "iup";
  version = "3.32";

  src = fetchurl {
    url = "mirror://sourceforge/iup/${version}/Docs%20and%20Sources/iup-${version}_Sources.tar.gz";
    sha256 = "sha256-hx4X/KD7BNChO2jS/bmINZYzeCbqRMklTKOOPqu2pqU=";
  };

  nativeBuildInputs = [
    lsb-release
    pkg-config
  ];
  
  buildInputs = [
    (if withGTK3 then gtk3 else gtk2)
    libGL
    libGLU
    lua
    ftgl-tecgraf
  ] ++ lib.optional withGTK3 [ webkitgtk_4_1 libsoup_3 ];

  propagatedBuildInputs = [
    cd
    im
  ];

  postPatch = ''
    sed -i 's/\biupvled\b//g' Makefile
  '' + lib.optionalString withGTK3 ''
     substituteInPlace srcweb/config.mak \
      --replace-fail "\$(GTK)/include/webkitgtk-4.1" "${webkitgtk_4_1.dev}/include/webkitgtk-4.1" \
      --replace-fail "\$(GTK)/include/libsoup-3.0"   "${libsoup_3.dev}/include/libsoup-3.0"
  '' + lib.optionalString (!withGTK3) ''
     sed -i 's/\biupweb\b//g' Makefile
     sed -i 's/\biupluaweb\b//g' srclua5/Makefile
  '';
  
  makeFlags = [
    "NO_DEPEND=Yes"
    "USE_PKGCONFIG=Yes"
    "USE_LUA_VERSION=52"
    "GTK_DEFAULT=Yes"
    "LUA_SFX="
    
    "CD_LIB=${cd}/lib"
    "IM_LIB=${im}/lib"
    "LUA_LIB=${lua}/lib"
    "LUA_INC=${lua}/include"
    "FTGL_LIB=${ftgl-tecgraf}/lib"
    "FTGL_INC=${ftgl-tecgraf}/include"
  ] ++ (if withGTK3 then [ "USE_GTK3=Yes" ] else [ "USE_GTK2=Yes" ]);
  
  NIX_CFLAGS_COMPILE = ''
    -Wno-implicit-function-declaration
    -Wno-incompatible-pointer-types
  '';

  iupPc = builtins.toFile "iup.pc" (makePc
    "iup"
    "A portable toolkit for building graphical user interfaces"
    version
    (if withGTK3 then "gtk+-3.0" else "gtk+-2.0")
  );

  iupglPc = builtins.toFile "iupgl.pc" (makePc
    "iupgl"
    "A portable toolkit for building graphical user interfaces (OpenGL support)"
    version
    "gl glu"
  );

  iupcdPc = builtins.toFile "iupcd.pc" (makePc
    "iupcd"
    "A portable toolkit for building graphical user interfaces (CD support)"
    version
    "iup cd"
  );

  iupcontrolsPc = builtins.toFile "iupcontrols.pc" (makePc
    "iupcontrols"
    "A portable toolkit for building graphical user interfaces (extra widgets)"
    version
    "iupcd"
  );

  iupPlotPc = builtins.toFile "iup_plot.pc" (makePc
    "iup_plot"
    "A portable toolkit for building graphical user interfaces (plotting support)"
    version
    "iupcd"
  );

  iupimPc = builtins.toFile "iupim.pc" (makePc
    "iupim"
    "A portable toolkit for building graphical user interfaces (IM support)"
    version
    "iup im"
  );

  iupimglibPc = builtins.toFile "iupimglib.pc" (makePc
    "iupimglib"
    "A portable toolkit for building graphical user interfaces (image support)"
    version
    "iup"
  );

  iupwebPc = builtins.toFile "iupweb.pc" (makePc
    "iupweb"
    "A portable toolkit for building graphical user interfaces (web view widget)"
    version
    "webkit2gtk-4.1"
  );
  
  installPhase = ''
    runHook preInstall

    mkdir -p $out/{bin,etc,include,lib/pkgconfig,share/lua/5.2}
    mkdir -p $out/share/lua/5.2/{ctrl,elem,gl,lh,scripter}

    cp -v lib/Linux*/*.so $out/lib/
    cp -v lib/Linux*/*.a $out/lib/ || true
    cp -vr include/*.h $out/include/

    cp -v lib/Linux*/Lua*/*.so $out/lib/
    cp -v lib/Linux*/Lua*/*.a $out/lib/ || true

    cp -v srclua5/*.lua "$out/share/lua/5.2/"    
    cp -v srclua5/ctrl/*.lua "$out/share/lua/5.2/ctrl/"
    cp -v srclua5/elem/*.lua "$out/share/lua/5.2/elem/"
    cp -v srclua5/gl/*.lua "$out/share/lua/5.2/gl/"
    cp -v srclua5/lh/*.lh "$out/share/lua/5.2/lh/"
    cp -v srclua5/scripter/*.lua "$out/share/lua/5.2/scripter/"

    ln -fs $out/lib/libiuplua52.so $out/share/lua/5.2/iuplua.so
    ln -fs $out/lib/libiupluacd52.so $out/share/lua/5.2/iupluacd.so
    ln -fs $out/lib/libiupluacontrols52.so $out/share/lua/5.2/iupluacontrols.so
    ln -fs $out/lib/libiupluagl52.so $out/share/lua/5.2/iupluagl.so
    ln -fs $out/lib/libiupluaglcontrols52.so $out/share/lua/5.2/iupluaglcontrols.so
    ln -fs $out/lib/libiupluaim52.so $out/share/lua/5.2/iupluaim.so
    ln -fs $out/lib/libiuplua_plot52.so $out/share/lua/5.2/iuplua_plot.so
    ln -fs $out/lib/libiuplua_mglplot52.so $out/share/lua/5.2/iuplua_mglplot.so 
    ln -fs $out/lib/libiuplua_scintilla52.so $out/share/lua/5.2/iuplua_scintilla.so
    ln -fs $out/lib/libiupluascripterdlg52.so $out/share/lua/5.2/iupluascripterdlg.so
    ln -fs $out/lib/libiupluaimglib52.so $out/share/lua/5.2/iupluaimglib.so

    cp -v ${iupPc} $out/lib/pkgconfig/iup.pc
    cp -v ${iupglPc} $out/lib/pkgconfig/iupgl.pc
    cp -v ${iupcdPc} $out/lib/pkgconfig/iupcd.pc
    cp -v ${iupcontrolsPc} $out/lib/pkgconfig/iupcontrols.pc
    cp -v ${iupPlotPc} $out/lib/pkgconfig/iup_plot.pc
    cp -v ${iupimPc} $out/lib/pkgconfig/iupim.pc
    cp -v ${iupimglibPc} $out/lib/pkgconfig/iupimglib.pc

    cp -vr bin/Linux*/* $out/bin/
    chmod +x $out/bin/*
    cp -r etc/* $out/etc
  '' + lib.optionalString withGTK3 ''
    ln -fs $out/lib/libiupluaweb52.so $out/share/lua/5.2/iupluaweb.so
    cp -v ${iupwebPc} $out/lib/pkgconfig/iupweb.pc
  '' + ''
    runHook postInstall
  '';
  
  meta = with lib; {
    description = "A portable toolkit for building graphical user interfaces";
    license = licenses.mit;
    maintainers = [ eko5z ];
    platforms = with platforms; gnu ++ linux ++ darwin;
  };
}