let mapleader =" "

" Check if vim-plug is installed, otherwise download and install
if empty(glob('~/.local/share/nvim/site/autoload/plug.vim'))
  silent !curl -fLo ~/.local/share/nvim/site/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

call plug#begin('~/.local/share/nvim/site/plugged')
Plug 'junegunn/goyo.vim'
Plug 'PotatoesMaster/i3-vim-syntax'
Plug 'jreybert/vimagit'
Plug 'tpope/vim-commentary'
Plug 'preservim/nerdtree'
Plug 'ervandew/supertab'
Plug 'neomake/neomake'
Plug 'jamessan/vim-gnupg'
Plug 'majutsushi/tagbar'
Plug 'rust-lang/rust.vim'
Plug 'cespare/vim-toml'
Plug 'xavierd/clang_complete'
Plug 'autozimu/LanguageClient-neovim', {
    \ 'branch': 'next',
    \ 'do': 'bash install.sh',
    \ }
call plug#end()

" Some basics:
	set nocompatible
	filetype plugin on
	syntax on
  set omnifunc=syntaxcomplete#Complete
  set background=dark
  set termguicolors
  set guicursor=n-v-c-sm:hor20,i-ci-ve:ver25,r-cr-o:block
  set cursorline
  let g:ultramar_italic=1
  colorscheme ultramar
	set number
	set relativenumber
  set scrolloff=5
  set colorcolumn=+1

" Set screen title
let &titlestring = "vim - " . expand("%:t")
if &term == "screen"
  set t_ts=^[k
  set t_fs=^[\
endif
set title
au BufEnter * let &titlestring = "vim - " . expand("%t")

" Functions for git branch name on statusline
  function! GitBranch()
    return system("git rev-parse --abbrev-ref HEAD 2>/dev/null | tr -d '\n'")
  endfunction
  function! StatuslineGit()
    let l:branchname = GitBranch()
    return strlen(l:branchname) > 0?'   '.l:branchname.' ':''
  endfunction

" Statusline
  let laststatus=2
  set statusline=
  set statusline+=%#CursorLineNR#
  set statusline+=%{StatuslineGit()}
  set statusline+=%#StatusLine#
  set statusline+=%<
  set statusline+=\ %f%r%m
  set statusline+=%=
  set statusline+=\ %l:%v/%L
  set statusline+=\ 
  set statusline+=%#StatusLineNC#
  set statusline+=\ %Y
  set statusline+=\ %{&fileencoding?&fileencoding:&encoding}
  set statusline+=\[%{&fileformat}\]
  set statusline+=\ 

" default indentation
	filetype plugin indent on
	set tabstop=2
	set shiftwidth=2
	set expandtab

" Splits open at the bottom and right, which is non-retarded, unlike vim defaults.
	set splitbelow
	set splitright

" To avoid switching between keyboards
  set langmap=ФИСВУАПРШОЛДЬТЩЗЙКЫЕГМЦЧНЯХЪБЮ;ABCDEFGHIJKLMNOPQRSTUVWXYZ{}<>,фисвуапршолдьтщзйкыегмцчняхъэ;abcdefghijklmnopqrstuvwxyz[]'

" Toggle relative line numbers
  map <leader>r :set invrelativenumber<CR>

" Shortcutting split navigation, saving a keypress:
	map <C-h> <C-w>h
	map <C-j> <C-w>j
	map <C-k> <C-w>k
	map <C-l> <C-w>l

" Open the selected text in a split (i.e. should be a file).
	map <leader>o "oyaW:sp <C-R>o<CR>
	xnoremap <leader>o "oy<esc>:sp <C-R>o<CR>
	vnoremap <leader>o "oy<esc>:sp <C-R>o<CR>

" Replace all is aliased to S.
	nnoremap S :%s//g<Left><Left>
" with russian layout
	nnoremap Ы :%s//g<Left><Left>

" Compile document
	map <leader>c :!doccompiler <c-r>%<CR>
" with russian layout
	map <leader>с :!doccompiler <c-r>%<CR>

" Spell-check set to F2:
	map <F2> :setlocal spell! spelllang=en_us,es,ru<CR>

" Save changes
  noremap <leader>s :update<CR>
" with russian layout
  noremap <leader>ы :update<CR>

" Copy to clipboard
  vnoremap  <leader>y  "+y
  nnoremap  <leader>Y  "+yg_
  nnoremap  <leader>y  "+y
  nnoremap  <leader>yy  "+yy
" with russian layout
  vnoremap  <leader>н  "+y
  nnoremap  <leader>Н  "+yg_
  nnoremap  <leader>н  "+y
  nnoremap  <leader>нн  "+yy

" Paste from clipboard
  nnoremap <leader>p "+p
  nnoremap <leader>P "+P
  vnoremap <leader>p "+p
  vnoremap <leader>P "+P
" with russian layout
  nnoremap <leader>з "+p
  nnoremap <leader>З "+P
  vnoremap <leader>з "+p
  vnoremap <leader>З "+P

" Enable autocompletion:
	set wildmode=list:longest,full
	set wildmenu

" Automatically deletes all tralling whitespace on save.
	"autocmd BufWritePre * %s/\s\+$//e

" Runs a script that cleans out tex build files whenever I close out of a .tex file.
	autocmd VimLeave *.tex !texclear %

" Disables automatic commenting on newline:
	autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o

" Join line with alt
  nnoremap <M-j> J
" with russian layout
  nnoremap <M-о> J

" Easier tab navigation (similar to qutebrowser)
  nnoremap J :tabn<cr>
  nnoremap K :tabp<cr>
" with russian layout
  nnoremap О :tabn<cr>
  nnoremap Л :tabp<cr>

" C-T for new tab
	nnoremap <C-t> :tabe<Space>

" Navigating with guides
	inoremap <leader><Tab> <Esc>/<++><Enter>"_c4l
	vnoremap <leader><Tab> <Esc>/<++><Enter>"_c4l
	map <leader><Tab> <Esc>/<++><Enter>"_c4l
	inoremap ;gui <++>
	inoremap жпгш <++>
	inoremap ñgui <++>

" Replace ex mode with gq
	map Q gq
" with russian layout
	map Й gq

" For normal mode when can't remap caps to escape
	inoremap jw <Esc>
	inoremap wj <Esc>

" SuperTab
  let g:SuperTabDefaultCompletionType = "context"
  let g:SuperTabContextDefaultCompletionType = "<c-x><c-o>"

" NERDTree
	map <leader>f :NERDTreeToggle<CR>

" Tagbar
	map <F3> :TagbarToggle<CR>

" LSP
  let g:LanguageClient_serverCommands = {
      \ 'c': ['/usr/bin/clangd'],
      \ 'go': ['/usr/bin/gopls'],
      \ 'cpp': ['/usr/bin/clangd'],
      \ 'python': ['/usr/bin/pyls'],
      \ 'rust': ['/usr/bin/rustup', 'run', 'stable', 'rls'],
      \ 'javascript': ['/usr/bin/javascript-typescript-stdio'],
      \ }

" LanguageClient-neovim
  nmap <F4> <Plug>(lcn-menu)
  nmap <silent> gd <Plug>(lcn-definition)

" Goyo
  let g:goyo_width = 100
  map <leader>g :Goyo<CR>