{ lib, pkgs, ... }:

{
  environment.systemPackages = with pkgs; [
    bintools gdb gnumake pkg-config
    gcc go guile_3_0 lua rakudo zig
    fd htmlq jq ripgrep rlwrap
    man-pages man-pages-posix stdman
    texlive.combined.scheme-full
    (python3.withPackages (pypkgs: with pypkgs; [ flit rsskey ]))
    (vim_configurable.customize {
      vimrcConfig = {
        customRC = ''
          set nocompatible
          set undodir=~/.cache/vim/undo
          set directory=~/.cache/vim/swap
          set backupdir=~/.cache/vim/backup
          set viminfo+=n~/.cache/vim/viminfo
          set title clipboard=unnamedplus autochdir

          set ignorecase infercase
          set dictionary=${miscfiles}/share/web2,${miscfiles}/share/web2a
          set omnifunc=syntaxcomplete#Complete
          set keymap=vietnamese-telex imdisable iminsert=0 imsearch=-1
          imap <C-x><C-x> <C-^>
          map Q gq
          command Q q
          command W w
          nmap W :w<CR>

          set showcmd noshowmode ruler wildmenu confirm number relativenumber
          set diffopt+=algorithm:patience
          set tabstop=8 expandtab shiftwidth=4 softtabstop=-1 smarttab
          set list listchars+=space:·,tab:\ \ 
          set t_Co=256
          let g:srcery_hard_black_terminal_bg = 0
          let g:srcery_italic = 1
          let g:srcery_italic_types = 1
          let g:srcery_orange_cterm = 9
          let g:srcery_bright_orange_cterm = 11
          let g:srcery_hard_black_cterm = 231
          let g:srcery_xgray1_cterm = 255
          let g:srcery_xgray2_cterm = 254
          let g:srcery_xgray3_cterm = 253
          let g:srcery_xgray4_cterm = 252
          let g:srcery_xgray5_cterm = 251
          let g:srcery_xgray6_cterm = 250
          colorscheme srcery

          let g:jedi#popup_on_dot = 0
          let g:jedi#popup_select_first = 0
          let g:jedi#show_call_signatures = 2
          let g:jedi#smart_auto_mappings = 0
          let g:polyglot_disabled = ['latex']
          let g:tex_flavor='latex'
          let g:vimtex_indent_enabled=0
          let g:vimtex_quickfix_mode=0
          let g:zig_fmt_autosave = 0

          augroup ft
            autocmd BufNewFile,BufRead *.vert,*.geom,*.frag
                  \ setlocal filetype=glsl
            autocmd BufNewFile,BufRead *.info setlocal filetype=json
            autocmd BufNewFile,BufRead *.ms setlocal filetype=groff
            autocmd BufNewFile,BufRead *.m setlocal filetype=octave
            autocmd BufNewFile,BufRead CHANGES setlocal filetype=mail
          augroup END

          augroup fmt
            autocmd FileType asm,automake,c,h,go,glsl,make,php
                  \ setlocal cindent cinoptions=(0 noexpandtab shiftwidth=8 tabstop=8
            autocmd FileType diff,gitconfig,gitsendemail,mail,sshconfig,tsv
                  \ setlocal cindent cinoptions=(0 noexpandtab shiftwidth=8 tabstop=8
            autocmd FileType vim,sh,scheme,lua,tex,cmake,plantuml,html,pascal
                  \ setlocal shiftwidth=2
            autocmd FileType cpp
                  \ setlocal cindent cinoptions=>4,n-2,{2,^-2,:2,=2,g0,h2,p5,t0,+2,(0,u0,w1,m1
            autocmd FileType rst setlocal shiftwidth=3
            autocmd FileType mail,markdown,rst,tex setlocal spell
            autocmd BufWinEnter *
                  \ if &filetype ==# 'python' || &filetype ==# 'cython'
                  \ || &filetype ==# 'mail'
                  \ | let w:m1=matchadd('ColorColumn', '\%<80v.\%>73v', -1) |
                  \ else
                  \ | let w:m1=matchadd('ColorColumn', '\%<81v.\%>80v', -1) |
                  \ endif
          augroup END

          augroup pkg
            autocmd FileType python :packadd jedi-vim
            autocmd FileType tex :packadd vimtex
            autocmd ColorScheme * highlight! link SpecialKey SrceryXgray4
          augroup END
        '';
        packages.myVimPackage = with vimPlugins; {
          start = [ ranger-vim srcery-vim vim-polyglot ];
          opt = [ jedi-vim vimtex ];
        };
      };
    })
  ];

  programs = {
    git = {
      enable = true;
      package = pkgs.gitFull;
    };
    gnupg.agent = {
      enable = true;
      enableSSHSupport = true;
      pinentryFlavor = "qt";
    };
  };

  services.openssh = {
    enable = true;
    settings = {
      PasswordAuthentication = false;
      KbdInteractiveAuthentication = false;
    };
  };
}