{ config, lib, pkgs, ... }:
let
  nixpkgs = import <nixpkgs> {};
in {
	home.packages = with pkgs; [
		kak-lsp
		rnix-lsp
		gocode
		gogetdoc
		jq
		aspell
		aspellDicts.it
		aspellDicts.en
		aspellDicts.en-computers
		aspellDicts.en-science
	];

  programs.kakoune = {
  	enable = true;
  	config = {
      colorScheme = "nord";
      tabStop = 2;
      indentWidth = 2;
      scrollOff = {
        lines = 5;
        columns = 3;
      };
      ui = {
        setTitle = true;
        changeColors = true;
        enableMouse = true;
      };
      wrapLines = {
        enable = true;
        word = true;
      };
      numberLines = {
        enable = true;
        highlightCursor = true;
      };
      keyMappings = [
        { mode = "normal"; docstring = "Open file"; key = "<c-o>"; effect = ":edit<space>"; }
        { mode = "user"; docstring = "Comment block"; key = "b"; effect = ":comment-block<ret>"; }
        { mode = "user"; docstring = "Comment line"; key = "l"; effect = ":comment-line<ret>"; }
        { mode = "user"; docstring = "Show hover info"; key = "q"; effect = ":lsp-hover<ret>"; }
        { mode = "user"; docstring = "Jump to definition"; key = "d"; effect = ":lsp-definition<ret>"; }
        { mode = "user"; docstring = "List project diagnostics"; key = "i"; effect = ":lsp-diagnostics<ret>"; }
        { mode = "user"; docstring = "Jump to type definition"; key = "t"; effect = ":lsp-type-definition<ret>"; }
        { mode = "user"; docstring = "Code actions"; key = "a"; effect = ":lsp-code-actions<ret>"; }
        { mode = "user"; docstring = "Format code"; key = "F"; effect = ":lsp-formatting-sync<ret>"; }
        { mode = "user"; docstring = "Spellcheck"; key = "s"; effect = ":spell "; }
        { mode = "user"; docstring = "Spellcheck English"; key = "S"; effect = ":spell en<ret>"; }
        { mode = "user"; docstring = "Copy to clipboard"; key = "y"; effect = "<a-|>${pkgs.xclip}/bin/xclip -i -selection clipboard<ret>"; }
        { mode = "user"; docstring = "Paste from clipboard (before)"; key = "p"; effect = "!${pkgs.xclip}/bin/xclip -selection clipboard -o<ret>"; }
        { mode = "user"; docstring = "Paste from clipboard (after)"; key = "P"; effect = "<a-!>${pkgs.xclip}/bin/xclip -selection clipboard -o<ret>"; }
      ];
      hooks = [
        { name = "WinSetOption"; option = "filetype=(rust|python|c|cpp|latex|javascript|go)"; commands = builtins.concatStringsSep "\n" [ "lsp-enable-window" ]; }
        { name = "BufCreate"; option = ".*"; commands = "editorconfig-load"; }
        { name = "ModuleLoaded"; option = "powerline"; commands = builtins.concatStringsSep "\n" [ "powerline-enable" ]; }
        { name = "ModuleLoaded"; option = "auto-pairs"; commands = "auto-pairs-enable"; }
        { name = "InsertCompletionShow"; option = ".*"; commands = builtins.concatStringsSep "\n" [ "map window insert <tab> <c-n>" "map window insert <s-tab> <c-p>" ]; }
        { name = "InsertCompletionHide"; option = ".*"; commands = builtins.concatStringsSep "\n" [ "unmap window insert <tab> <c-n>" "unmap window insert <s-tab> <c-p>" ]; }
      ];
    };
  	extraConfig = builtins.concatStringsSep "\n" [
  		"# Extra"
  		"define-command -docstring 'save and quit' x 'write-all; quit'"
  		"add-highlighter global/ regex \\h+$ 0:Error # "
  		"eval %sh{kak-lsp --kakoune -s \$kak_session} # Start kak-lsp"
  		"require-module auto-pairs"
  		"require-module powerline"
   	];
  	plugins = (with pkgs.kakounePlugins; [
  		kak-auto-pairs
  	]) ++ (with nixpkgs; [
  		kakounePlugins.prelude-kak
  		kakounePlugins.powerline-kak
  	]);
  };

  xdg.configFile."kak-lsp/kak-lsp.toml".source = ../configs/kak-lsp/kak-lsp.toml;
}