{
  config,
  lib,
  pkgs,
  ...
}:
with lib; let
  cfg = config.nixfiles.modules.vscode;
in {
  options.nixfiles.modules.vscode = {
    enable = mkEnableOption "VSCode";

    package = with pkgs;
      mkOption {
        type = types.enum [vscodium vscode vscode-fhs];
        default = vscodium;
        description = "Which package to use as a VSCode implementation.";
      };

    vim.enable = mkOption {
      type = types.bool;
      default = true;
      description = "Whether to enable Vim emulation.";
    };
  };

  config = mkIf cfg.enable {
    hm.programs.vscode = with config.nixfiles;
    with modules;
    with profiles; {
      enable = true;

      inherit (cfg) package;

      extensions = with pkgs.open-vsx;
        [
          editorconfig.editorconfig
          efoerster.texlab
          github.vscode-pull-request-github
          gitlab.gitlab-workflow
          golang.go
          graphql.vscode-graphql
          hashicorp.hcl
          hashicorp.terraform
          haskell.haskell
          jnoortheen.nix-ide
          kahole.magit
          mads-hartmann.bash-ide-vscode
          mkhl.direnv
          ms-kubernetes-tools.vscode-kubernetes-tools
          ms-python.python
          redhat.ansible
          redhat.vscode-xml
          redhat.vscode-yaml
          rust-lang.rust
          streetsidesoftware.code-spell-checker
          streetsidesoftware.code-spell-checker-british-english
          streetsidesoftware.code-spell-checker-russian
          streetsidesoftware.code-spell-checker-scientific-terms
          tamasfe.even-better-toml
          vscode-org-mode.org-mode
          ziglang.vscode-zig
        ]
        ++ optional cfg.vim.enable vscodevim.vim;

      userSettings = let
        font = config.fontScheme.monospaceFont;
        fontFamily = font.family;
        fontSize = font.size;
      in {
        editor =
          {
            inherit fontFamily fontSize;
            inlayHints = {inherit fontFamily fontSize;};
            codeLens = false;
            cursorStyle = "block";
            detectIndentation = true;
            minimap.enabled = false;
            renderWhitespace = "trailing";
            rulers = [80 120];
            smoothScrolling = false;
            tabCompletion = "on";
          }
          // (let
            surround = 10;
          in {
            cursorSurroundingLines = surround;
            scrollBeyondLastColumn = surround;
          });

        keyboard.dispatch = "keyCode";

        diffEditor.codeLens = false;

        files = {
          autoSave = "off";
          enableTrash = false;
        };

        workbench = {
          activityBar.visible = false;
          editor.highlightModifiedTabs = true;
          enableExperiments = false;
          settings.enableNaturalLanguageSearch = false;
          startupEditor = "none";
          tips.enabled = false;
          tree.indent = 4;
          welcomePage = {
            walkthroughs.openOnInstall = false;
            preferReducedMotion = true;
          };
        };

        debug.console = {inherit fontFamily fontSize;};

        scm = {
          inputFontFamily = fontFamily;
          inputFontSize = fontSize;
        };

        extensions = {
          autoCheckUpdates = false;
          autoUpdate = false;
          ignoreRecommendations = true;
        };

        terminal = {
          external.linuxExec = "${pkgs.alacritty}/bin/alacritty";
          integrated = {
            inherit fontFamily fontSize;
            enableBell = true;
          };
        };

        update = {
          mode = "none";
          showReleaseNotes = false;
        };

        telemetry = {
          enableCrashReporter = false;
          enableTelemetry = false;
        };

        security.workspace.trust.enabled = false;

        # Extensions.

        ansible = {
          ansible = {
            useFullyQualifiedCollectionNames = true;
            reuseTerminal = true;
          };
          validation.lint.path = "${pkgs.ansible-lint}/bin/ansible-lint";
        };

        bashIde.shellcheckPath = "${pkgs.shellcheck}/bin/shellcheck";

        cSpell.language = "en-GB,ru";

        magit = {
          forge-enabled = true;
          git-path = "${config.hm.programs.git.package}/bin/git";
        };

        github = {
          branchProtection = true;
          gitProtocol = "ssh";
        };

        terraform = {
          languageServer.path = "${pkgs.terraform-ls}/bin/terraform-ls";
          languageServer.terraform.path = "${pkgs.terraform}/bin/terraform";
        };

        haskell = {
          formattingProvider = "ormolu";
          serverExecutablePath = "${pkgs.haskell-language-server}/bin/haskell-language-server";
        };

        nix = {
          enableLanguageServer = true;
          serverPath = "${pkgs.rnix-lsp}/bin/rnix-lsp";
        };

        python = with pkgs.python311Packages; {
          experiments.optOutFrom = ["All"];
          pipenvPath = "${pkgs.pipenv}/bin/pipenv";
          poetryPath = "${pkgs.poetry}/bin/poetry";
          formatting = {
            provider = "black";
            autopep8Path = "${autopep8}/bin/autopep8";
            blackPath = "${black}/bin/black";
            yapfPath = "${yapf}/bin/yapf";
          };
          linting = {
            enabled = true;
            banditPath = "${bandit}/bin/bandit";
            flake8Path = "${flake8}/bin/flake8";
            mypyPath = "${mypy}/bin/mypy";
            pycodestylePath = "${pycodestyle}/bin/pycodestyle";
            pydocstylePath = "${pydocstyle}/bin/pydocstyle";
            pylamaPath = "${pylama}/bin/pylama";
            pylintPath = "${pylint}/bin/pylint";
          };
          testing = {
            pytestPath = "${pytest}/bin/pytest";
          };
        };

        rust-client = {
          disableRustup = true;
          rustupPath = "${pkgs.rustup}/bin/rustup";
          rlsPath = "${pkgs.rustup}/bin/rls";
          rustfmt_path = "${pkgs.rustfmt}/bin/rustfmt";
        };

        vim = mkIf cfg.vim.enable rec {
          easymotion = true;
          easymotionMarkerFontFamily = fontFamily;
          easymotionMarkerFontSize = fontSize;

          leader = " ";

          useSystemClipboard = true;
        };

        zig.zls = {
          checkForUpdate = false;
          path = "${pkgs.zls}/bin/zls";
        };

        redhat.telemetry.enabled = false;
      };
    };
  };
}