system/modules/home-manager/programs/editors/neovim.nix

{ config, pkgs, lib, ... }:

let
  cfg = config.local.programs.editors.neovim;

  # TODO: add more configs
  myneovim = pkgs.myneovim.override {
    viAlias = true;
    vimAlias = true;
    enableDevIcons = true;
    enableTabby = true;
    enableOrgMode = true;
    extraConfig = ''
      aug extra_ftdetect
        au!
        au BufNewFile,BufRead *.d2 setfiletype d2
        au BufNewFile,BufRead *.ncl setfiletype nickel
        au BufNewFile,BufRead *.psql setfiletype psql
      aug END
    '';
    plugins = with pkgs.myneovim.nix2lua; (lib.mkMerge [
      {
        nvimTree.settings = {
          renderer = {
            group_empty = true;
            full_name = true;
          };
          tab.sync = {
            open = true;
            close = true;
          };
        };
        telescope.settings = {
          extensions.live_grep_args = {
            auto_quoting = true;
            mappings.i = {
              "<C-K>" = join "." [
                (mkCall "require" [ "telescope-live-grep-args.actions" ])
                (mkCall "quote_prompt" [ ])
              ];
            };
          };
        };
        lspSaga.settings = {
          border_style = "rounded";
          symbol_in_winbar.enable = false;
          code_action_lightbulb.enable = false;
          code_action_keys = { quit = "<Esc>"; };
          definition_action_keys = { quit = "<Esc>"; };
          rename_action_quit = "<C-c>";
        };
        lspConfig.servers = {
          nickel_ls = { };
          tsserver = { };
          eslint = { };
          volar = {
            init_options = {
              typescript.tsdk = "./node_modules/typescript/lib";
            };
          };
          denols = {
            root_dir = mkCall "root_pattern" [ "deno.json" "deno.jsonc" ];
          };
          pylsp = { };
        };
        lualine.settings = {
          options.ignore_focus = [ "NvimTree" ];
          sections = {
            lualine_a = [
              [ "filename" (mkNamedField "path" 1) ]
            ];
            lualine_b = [ "branch" "diff" "diagnostics" ];
            lualine_c = [ "lsp_progress" ];
            lualine_x = [ "filesize" "filetype" ];
            lualine_y = [ "progress" ];
            lualine_z = [ "location" "mode" ];
          };
        };
      }

      (lib.mkIf cfg.orgmode.enable {
        orgmode.settings = {
          org_agenda_files = [ "~/orgs/**/*" ];
          org_default_notes_file = "~/orgs/refile.org";
          win_split_mode = "tabnew";
          org_hide_leading_stars = true;
        };
      })

      (lib.mkIf cfg.ltex.enable {
        lspConfig.servers.ltex = {
          language = "en-US";
          languageToolHttpServerUri = "http://localhost:8081";
        };
      })

      (lib.mkIf cfg.nix.enable {
        lspConfig.servers.nil_ls = { };
      })

      (lib.mkIf cfg.rust.enable {
        lspConfig.servers.rust_analyzer = {
          settings.rust-analyzer = {
            "server.path" = "rust-analyzer";
            "updates.prompt" = false;
            "updates.checkOnStartup" = false;
            "checkOnSave.enable" = true;
            "checkOnSave.command" = "clippy";
            "cargo.autoreload" = true;
          };
        };
      })

      (lib.mkIf (cfg.typescript.enable || cfg.vue.enable) {
        lspConfig.servers = {
          tsserver = { };
          eslint = { };
        };
      })

      (lib.mkIf cfg.vue.enable {
        lspConfig.servers.volar = {
          init_options = {
            typescript.tsdk = "./node_modules/typescript/lib";
          };
        };
      })

      (lib.mkIf cfg.deno.enable {
        lspConfig.servers.denols = {
          root_dir = mkCall "root_pattern" [ "deno.json" "deno.jsonc" ];
        };
      })

      (lib.mkIf cfg.python.enable {
        lspConfig.servers.pylsp = { };
      })

      (lib.mkIf cfg.nickel.enable {
        lspConfig.servers.nickel_ls = { };
      })
    ]);
  };
in
{
  options.local.programs.editors.neovim = with lib; {
    enable = mkEnableOption "neovim";
    defaultEditor = mkOption {
      description = "set neovim as default editor";
      type = types.bool;
      default = false;
    };
    ltex.enable = mkEnableOption "ltex language server";
    orgmode.enable = mkEnableOption "orgmode";

    nix.enable = mkEnableOptions "nix";
    rust.enable = mkEnableOption "rust";
    typescript.enable = mkEnableOption "typescript";
    vue.enable = mkEnableOption "vue";
    deno.enable = mkEnableOption "deno";
    python.enable = mkEnableOption "python";

    nickel.enable = mkEnableOption "nickel";
  };

  config = lib.mkIf cfg.enable (lib.mkMerge [
    {
      home.packages = [ myneovim ];
    }

    (lib.mkIf cfg.ltex.enable {
      home.packages = [ pkgs.ltex-ls ];
    })

    (lib.mkIf cfg.defaultEditor {
      home.sessionVariables.EDITOR = "nvim";
    })
  ]);
}