{ lib
, writeScript
, stdenv
, fetchurl
, alsa-lib
, at-spi2-atk
, at-spi2-core
, atk
, cairo
, cups
, dbus
, expat
, fontconfig
, freetype
, gdk-pixbuf
, glib
, gtk3
, harfbuzz
, libdrm
, libgcrypt
, libglvnd
, libkrb5
, libpulseaudio
, libsecret
, udev
, libxcb
, libxkbcommon
, lshw
, mesa
, nspr
, nss
, pango
, zlib
, libX11
, libXcomposite
, libXcursor
, libXdamage
, libXext
, libXfixes
, libXi
, libXrandr
, libXrender
, libXtst
, libxshmfence
, xcbutil
, xcbutilimage
, xcbutilkeysyms
, xcbutilrenderutil
, xcbutilwm
, p7zip
, wayland
, libXScrnSaver
}:

stdenv.mkDerivation rec {
  pname = "webex";
  version = "42.8.0.22907";

  src = fetchurl {
    url = "https://binaries.webex.com/WebexDesktop-Ubuntu-Blue/20220712081040/Webex_ubuntu.7z";
    sha256 = "b83950cdcf978a3beda93de27b25b70554fc82fcf072a5a7ea858d2ce0d176ac";
  };

  buildInputs = [
    alsa-lib
    at-spi2-atk
    at-spi2-core
    atk
    cairo
    cups
    dbus
    expat
    fontconfig
    freetype
    glib
    gdk-pixbuf
    gtk3
    harfbuzz
    lshw
    mesa
    nspr
    nss
    pango
    zlib
    libdrm
    libgcrypt
    libglvnd
    libkrb5
    libpulseaudio
    libsecret
    udev
    libxcb
    libxkbcommon
    libX11
    libXcomposite
    libXcursor
    libXdamage
    libXext
    libXfixes
    libXi
    libXrandr
    libXrender
    libXtst
    libxshmfence
    xcbutil
    xcbutilimage
    libXScrnSaver
    xcbutilkeysyms
    xcbutilrenderutil
    xcbutilwm
    p7zip
    wayland
  ];

  libPath = "$out/opt/Webex/lib:$out/opt/Webex/bin:${lib.makeLibraryPath buildInputs}";

  unpackPhase = ''
    7z x $src
    mv Webex_ubuntu/opt .
  '';

  postPatch = ''
    substituteInPlace opt/Webex/bin/webex.desktop --replace /opt $out/opt
  '';

  dontPatchELF = true;

  buildPhase = ''
    patchelf \
      --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
      --set-rpath "${libPath}" \
      opt/Webex/bin/CiscoCollabHost \
      opt/Webex/bin/CiscoCollabHostCef \
      opt/Webex/bin/CiscoCollabHostCefWM \
      opt/Webex/bin/WebexFileSelector \
      opt/Webex/bin/pxgsettings
    for each in $(find opt/Webex -type f | grep \\.so); do
      patchelf --set-rpath "${libPath}" "$each"
    done
  '';

  installPhase = ''
    mkdir -p "$out/bin" "$out/share/applications"
    cp -r opt "$out"

    ln -s "$out/opt/Webex/bin/CiscoCollabHost" "$out/bin/webex"
    chmod +x $out/bin/webex

    mv "$out/opt/Webex/bin/webex.desktop" "$out/share/applications/webex.desktop"
  '';

  passthru.updateScript = writeScript "webex-update-script" ''
    #!/usr/bin/env nix-shell
    #!nix-shell -i bash -p curl jq common-updater-scripts
    set -eou pipefail;

    channel=blue
    manifest=$(curl -s "https://client-upgrade-a.wbx2.com/client-upgrade/api/v1/webexteamsdesktop/upgrade/@me?channel=$channel&model=ubuntu" | jq '.manifest')

    url=$(jq -r '.packageLocation' <<< "$manifest")
    version=$(jq -r '.version' <<< "$manifest")
    hash=$(jq -r '.checksum' <<< "$manifest")

    update-source-version ${pname} "$version" "$hash" "$url" --file=./pkgs/applications/networking/instant-messengers/webex/default.nix
  '';

  meta = with lib; {
    description = "The all-in-one app to call, meet, message, and get work done";
    homepage = "https://webex.com/";
    downloadPage = "https://www.webex.com/downloads.html";
    license = licenses.unfree;
    maintainers = with lib.maintainers; [ uvnikita ];
    platforms = [ "x86_64-linux" ];
  };
}