{ stdenv, yarn2nix-moretea, lib, nodePackages, fetchFromGitHub, fetchurl, youtube-dl, jq, nodejs }:

let
  inherit (yarn2nix-moretea) mkYarnPackage defaultYarnFlags;
in rec {
  mkYarnModules = args: (yarn2nix-moretea.mkYarnModules args).overrideAttrs(old: {
    buildPhase = builtins.replaceStrings [" ./package.json"] [" /dev/null; cp deps/*/package.json ."] old.buildPhase;
  });

  source = stdenv.mkDerivation {
    name = "peertube-src";
    src = fetchFromGitHub {
      owner = "Chocobozzz";
      repo = "peertube";
      rev = "v3.0.1";
      sha256 = "0zrrhc5kml7mqxafmr8yggiakjh3a33wvn2m1i6ij112nkjyv1bc";
    };

    phases = [ "unpackPhase" "patchPhase" "installPhase" "fixupPhase" ];
    patches = [ ./fix-yarnlock.patch ];

    installPhase = ''
      mkdir $out
      cp -a . $out
    '';

    fixupPhase = ''
      patchShebangs $out/scripts
    '';
  };

  nodeHeaders = fetchurl {
    url = "https://nodejs.org/download/release/v${nodejs.version}/node-v${nodejs.version}-headers.tar.gz";
    sha256 = "18nsc6qc3f367vk63bm3wwmcw6lwi8jqxgv025jnv9mc539zx4iy";
  };

  yarnModulesConfig = {
    bcrypt = {
      buildInputs = [ nodePackages.node-pre-gyp ];
      postInstall = let
        bcrypt_version = "5.0.0";
        bcrypt_lib = fetchurl {
          url = "https://github.com/kelektiv/node.bcrypt.js/releases/download/v${bcrypt_version}/bcrypt_lib-v${bcrypt_version}-napi-v3-linux-x64-glibc.tar.gz";
          sha256 = "0j3p2px1xb17sw3gpm8l4apljajxxfflal1yy552mhpzhi21wccn";
        };
      in
        ''
          if [ "${bcrypt_version}" != "$(cat package.json | ${jq}/bin/jq -r .version)" ]; then
            echo "Mismatching version please update bcrypt in derivation"
            false
          fi
          mkdir -p lib/binding && tar -C lib/binding -xf ${bcrypt_lib}
          patchShebangs ../node-pre-gyp
          npm run install
        '';
    };
    utf-8-validate = {
      buildInputs = [ nodePackages.node-gyp-build ];
    };
    youtube-dl = {
      postInstall = ''
        mkdir bin
        ln -s ${youtube-dl}/bin/youtube-dl bin/youtube-dl
        cat > bin/details <<EOF
        {"version":"${youtube-dl.version}","path":null,"exec":"youtube-dl"}
        EOF
      '';
    };
  };

  serverModules = mkYarnModules rec {
    pname = "peertube-server-yarn-modules";
    version = "3.0.1";
    name = "${pname}-${version}";
    packageJSON = "${source}/package.json";
    yarnLock = "${source}/yarn.lock";
    pkgConfig = yarnModulesConfig;
  };

  clientModules = mkYarnModules rec {
    pname = "peertube-client-yarn-modules";
    version = "3.0.1";
    name = "${pname}-${version}";
    packageJSON = "${source}/client/package.json";
    yarnLock = "${source}/client/yarn.lock";
    pkgConfig = yarnModulesConfig;
  };

  serverModulesProd = serverModules.overrideAttrs (_: {
    yarnFlags = defaultYarnFlags ++ [ "--production" ];
  });

  server = stdenv.mkDerivation {
    pname = "peertube-server";
    version = "3.0.1";
    src = source;
    nativeBuildInputs = [ nodePackages.npm ];
    buildPhase = ''
      ln -s ${serverModules}/node_modules ./
      rm -rf ./dist
      npm run build:server
    '';
    installPhase = ''
      mkdir $out
      cp -a dist $out
     '';
  };

  client = stdenv.mkDerivation {
    pname = "peertube-client";
    version = "3.0.1";
    src = source;
    buildPhase = ''
      ln -s ${serverModules}/node_modules .
      cp -a ${clientModules}/node_modules client/
      chmod -R +w client/node_modules
      npm run build:client
    '';
    installPhase = ''
      mkdir $out
      cp -a client/dist $out
    '';
    buildInputs = [ nodejs ];
  };

  package = stdenv.mkDerivation {
    pname = "peertube";
    version = "3.0.1";
    src = source;
    buildPhase = ''
      ln -s ${serverModulesProd}/node_modules .
      rm -rf dist && cp -a ${server}/dist dist
      rm -rf client/dist && cp -a ${client}/dist client/
    '';
    installPhase = ''
      mkdir $out
      cp -a * $out
      ln -s /tmp $out/.cache
    '';
  };
}