nixos/roles/home/common.nix

{ config, pkgs, ... }:

{
  imports = [ ./zsh.nix ./git.nix ];

  home = {
    stateVersion = "21.05";
    sessionVariables = {
      EDITOR = "nvim";
      VISUAL = "nvim";
    };

    packages = with pkgs; [ rizin sshfs nixfmt ];
  };

  programs.neovim = {
    enable = true;
    extraPackages = with pkgs; [
      nodePackages.prettier
      cmake-format
      clang-tools
      rustfmt
    ];
    extraConfig = ''
      " syntax
      syntax enable

      " color themes
      set termguicolors
      colorscheme molokai

      " wildcard mode
      set wildmode=longest:full,full

      " remapping popup menu (command autocompletion)
      "      cnoremap <expr> <up> pumvisible() ? "<C-p>" : "<up>
      "      cnoremap <expr> <down> pumvisible() ? "<C-n>" : "<down>"
      "      cnoremap <expr> <CR> pumvisible() ? "<C-e>":"<CR>"
      " set line numbers
      set number

      " YouCompleteMe
      let g:ycm_key_list_stop_completion = ['<C-y>', '<CR>'] 
      let g:ycm_key_list_select_completion = ['<Up>', '<Down>', '<TAB>'] 

      " enable indent guides
      let g:indent_guides_enable_on_vim_startup = 1

      " Exit Vim if NERDTree is the only window left.
      autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() |
      \ quit | endif

      " Start NERDTree. If a file is specified, move the cursor to its window.
      autocmd StdinReadPre * let s:std_in=1
      autocmd VimEnter * NERDTree | if argc() > 0 || exists("s:std_in") | wincmd p | endif

      " Start NERDTree when Vim starts with a directory argument.
      autocmd StdinReadPre * let s:std_in=1
      autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists('s:std_in') |
      \ execute 'NERDTree' argv()[0] | wincmd p | enew | execute 'cd '.argv()[0] | endif

      " Exit Vim if NERDTree is the only window left.
      autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() |
      \ quit | endif

      " Start interactive EasyAlign in visual mode (e.g. vipga)
      xmap ga <Plug>(EasyAlign)

      " Start interactive EasyAlign for a motion/text object (e.g. gaip)
      nmap ga <Plug>(EasyAlign)

      " Highlight row and column
      set cul
      set cuc

      " Fix for code not being aligned if between comment blocks
      set cindent cinkeys-=0#
      set expandtab shiftwidth=2 tabstop=2 softtabstop=2

      " Enable alignment
      let g:neoformat_basic_format_align = 1

      " Enable tab to spaces conversion
      let g:neoformat_basic_format_retab = 1

      " Enable trimmming of trailing whitespace
      let g:neoformat_basic_format_trim = 1
    '';

    viAlias = true;
    vimAlias = true;
    plugins = with pkgs.vimPlugins; [
      vim-nix
      molokai
      YouCompleteMe
      vim-airline
      vim-airline-themes
      vim-lsp
      vim-indent-guides
      vim-signify
      nerdtree
      vim-easy-align
      vim-fugitive
      vimtex
      neoformat
    ];
  };
}