nichts/packages/helix/default.nix

{
  sources,
  basedpyright,
  bash-language-server,
  callPackage,
  clang-tools,
  clippy,
  cmake-format,
  cmake-language-server,
  deadnix,
  deno,
  dprint,
  fetchzip,
  formats,
  gdb,
  golangci-lint-langserver,
  gopls,
  helix,
  kdePackages,
  kdlfmt,
  lazygit,
  lib,
  lldb_19,
  makeWrapper,
  nixd,
  ruff,
  rust-analyzer,
  rustPlatform,
  rustfmt,
  shellcheck,
  shfmt,
  simple-completion-language-server,
  superhtml,
  symlinkJoin,
  taplo,
  tinymist,
  typescript-language-server,
  vscode-langservers-extracted,
  zls,
  ...
}:
let
  inherit (lib.meta) getExe;

  custom-helix = helix.overrideAttrs (
    finalAttrs: previousAttrs: {
      version = "25.07.2";
      src = fetchzip {
        url = "https://github.com/bloxx12/helix/releases/download/${finalAttrs.version}/helix-${finalAttrs.version}-source.tar.xz";
        hash = "sha256-ZNsQwFfPXe6oewajx1tl68W60kVo7q2SuvTgy/o1HKk=";
        stripRoot = false;
      };

      doInstallCheck = false;

      cargoDeps = rustPlatform.fetchCargoVendor {
        inherit (custom-helix) src;
        hash = "sha256-3poZSvIrkx8lguxxDeNfngW6+4hH8TV/LHcZx5W5aXg=";
      };
    }
  );

  toml = formats.toml { };

  helix-languages = callPackage ./languages.nix { inherit lib sources; };
  colorscheme = toml.generate "colorscheme.toml" (import ./colorscheme.nix);

  helix-config = {
    theme = "theme_transparent";
    editor = {
      cursorline = false;
      color-modes = true;
      true-color = true;
      indent-guides.render = true;
      lsp = {
        enable = true;
        auto-signature-help = true;
        display-inlay-hints = false;
        display-messages = true;
        snippets = true;
      };
      file-picker = {
        hidden = true;
      };
      line-number = "relative";
      auto-format = true;
      completion-timeout = 5;
      mouse = true;
      bufferline = "multiple";
      soft-wrap.enable = true;
      word-completion = {
        enable = true;
        trigger-length = 2;
      };
      cursor-shape = {
        insert = "bar";
        normal = "block";
        select = "underline";
      };
      statusline = {
        left = [
          "spinner"
          "version-control"
          "diagnostics"
          "file-name"
        ];
        right = [
          "file-base-name"
          "file-type"
          "position"
          "file-encoding"
        ];
      };
      gutters.layout = [
        "diff"
        "diagnostics"
        "line-numbers"
        "spacer"
      ];
      inline-diagnostics = {
        cursor-line = "hint";
        other-lines = "error";
      };
    };
    keys = {
      normal = {
        space = {
          g = [
            ":new"
            ":insert-output XDG_CONFIG_HOME=~/.config ${getExe lazygit}"
            ":buffer-close!"
            ":redraw"
          ];
          i = ":toggle lsp.display-inlay-hints";
        };
        esc = [
          "collapse_selection"
          "keep_primary_selection"
          "normal_mode"
        ];
        A-H = "goto_previous_buffer";
        A-L = "goto_next_buffer";
        A-w = ":buffer-close";
        A-f = ":format";
        A-r = ":reload";
        A-x = "extend_to_line_bounds";
        X = [
          "extend_line_up"
          "extend_to_line_bounds"
        ];
        ";" = "flip_selections";
        "A-;" = "collapse_selection";

        # Kakoune-like config
        H = "extend_char_left";
        J = "extend_line_down";
        K = "extend_line_up";
        L = "extend_char_right";
      };
      select = {
        A-x = "extend_to_line_bounds";
        X = [
          "extend_line_up"
          "extend_to_line_bounds"
        ];
        g = {
          e = "goto_file_end";
        };
      };
    };
  };
  wrapped-helix = symlinkJoin {
    name = "helix-wrapped";
    paths = [
      custom-helix

      # Bash
      bash-language-server
      # C/C++
      clang-tools
      clippy
      golangci-lint-langserver
      gopls
      lldb_19
      # Markdown
      taplo

      nixd
      rust-analyzer
      rustfmt
      # Shell
      shellcheck

      kdlfmt

      superhtml
      # toml
      taplo
      # typst
      tinymist
      # typst lsp
      vscode-langservers-extracted

      kdlfmt

      # zig language server
      zls
    ];
    nativeBuildInputs = [ makeWrapper ];
    postBuild = ''
      mkdir -p $out/config/helix/themes
      cp "${toml.generate "config.toml" helix-config}" $out/config/helix/config.toml
      cp "${helix-languages}" $out/config/helix/languages.toml
      cp "${colorscheme}" $out/config/helix/themes/theme_transparent.toml
      wrapProgram $out/bin/hx --set \
      XDG_CONFIG_HOME $out/config
    '';
  };
in
wrapped-helix