vimrc

syntax on
filetype plugin indent on

set nocompatible
set autoread
set relativenumber
set noerrorbells
set tabstop=4 softtabstop=4
set shiftwidth=4
set expandtab
set smartindent
set nu
set nowrap
set smartcase
set noswapfile
set undodir=~/.vim/undodir
set undofile
set incsearch
set scrolloff=8
set sidescrolloff=15
set sidescroll=1
set colorcolumn=80
highlight ColorColumn ctermbg=0 guibg=lightgrey

" recommended for coc.vim
set hidden
set nobackup
set nowritebackup
set cmdheight=2
set updatetime=300
set shortmess+=c

" leader key
let mapleader = " "

" ********************************* Functions *********************************

function! ToggleGruvboxBG()
    if &background == 'dark'
        set background=light
    else
        set background=dark
    endif
endfunction

fun! TrimWhitespace()
    let l:save = winsaveview()
    keeppatterns %s/\s\+$//e
    call winrestview(l:save)
endfun

" ****************************** Install Plugins ******************************

" uses plug.vim
call plug#begin('~/.vim/plugged')

Plug 'preservim/nerdcommenter'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'morhetz/gruvbox'
Plug 'vim-airline/vim-airline'
Plug 'jremmen/vim-ripgrep'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'vimwiki/vimwiki'
Plug 'justinmk/vim-sneak'

call plug#end()

" ***************************** Configure Plugins *****************************

" vim-airline
let g:airline_powerline_fonts = 1
let g:airline#extensions#tabline#enabled = 1

" netrw
let g:netrw_browse_split = 2
let g:netrw_banner = 0
let g:netrw_winsize = 15

" vimwiki: use markdown
let g:vimwiki_list = [{
    \ 'path': '~/vimwiki/docsrc',
    \ 'template_path': '~/vimwiki/templates/',
    \ 'template_default': 'default',
    \ 'syntax': 'markdown',
    \ 'ext': '.md',
    \ 'path_html': '~/vimwiki/docs/',
    \ 'custom_wiki2html': 'vimwiki_markdown',
    \ 'html_filename_parameterization': 1,
    \ 'template_ext': '.tpl'}]

" add the pre tag for inserting code snippets
let g:vimwiki_valid_html_tags = 'b,i,s,u,sub,sup,kbd,br,hr, pre, script'

" ctrl p
set runtimepath^=~/.vim/plugged/ctrlp.vim
let g:ctrlp_use_caching = 0
let g:ctrlp_user_command = ['.git/', 'git --git-dir=%s/.git ls-files -oc --exclude-standard']

" ************************************ Colors *********************************

" gruvbox, baby
colorscheme gruvbox
"hi Normal guibg=NONE ctermbg=NONE
let g:gruvbox_contrast_light='hard'
let g:gruvbox_contrast_dark='medium'
set background=dark


" *************************** Syntax highlighting *****************************

" Snakemake
au BufNewFile,BufRead Snakefile set syntax=snakemake
au BufNewFile,BufRead *.snake set syntax=snakemake

" ************************************ Keymaps ********************************

" pane navigation
nnoremap <silent> <leader>h :wincmd h<CR>
nnoremap <silent> <leader>j :wincmd j<CR>
nnoremap <silent> <leader>k :wincmd k<CR>
nnoremap <silent> <leader>l :wincmd l<CR>
nnoremap <silent> <leader>b gT
nnoremap <silent> <leader>w gt
nnoremap <silent> <leader>W :bn<CR>
nnoremap <silent> <leader>B :bp<CR>
nnoremap <silent> <leader>+ :vertical resize +5<CR>
nnoremap <silent> <leader>- :vertical resize -5<CR>
nnoremap <leader>tn :tabnew<SPACE>
nnoremap <silent> n nzz
nnoremap <silent> N Nzz
nnoremap <leader>tml :tabmove -1<CR>
nnoremap <leader>tmr :tabmove +1<CR>
nnoremap <leader>pv :Vex<CR>
nnoremap <leader>ps :Rg<SPACE>

" remove search highlight when returning to normal mode
nnoremap <silent> <esc> :noh<CR><esc>

" registers and aliases
noremap <leader>y "+y
noremap <leader>Y "+Y
noremap <leader>p "+p
noremap <leader>P "+P
noremap <C-y><C-y> :let @+ = expand("%:p")<cr>
noremap <leader>dws :%s/\S\zs\s\{2,}/ /g<CR>

" toggle light/dark BG
nnoremap <leader>1 :call ToggleGruvboxBG()<CR>

" vimwiki
nmap ,wt <Plug>VimwikiTabIndex
nmap ,ws <Plug>VimwikiUISelect
nmap ,wi <Plug>VimwikiDiaryIndex
nmap ,w,w <Plug>VimwikiMakeDiaryNote
nmap ,w,t <Plug>VimwikiTabMakeDiaryNote
nmap ,w,y <Plug>VimwikiMakeYesterdayDiaryNote
nmap ,w,m <Plug>VimwikiMakeTomorrowDiaryNote
nmap ,wh <Plug>Vimwiki2HTML
nmap ,whh  <Plug>Vimwiki2HTMLBrowse
nmap ,w,wk <Plug>VimwikiDiaryGenerateLinks
nmap ,w,w <Plug>VimwikiMakeDiaryNote
nmap ,wr <Plug>VimwikiRenameFile
nmap ,wd <Plug>VimwikiDeleteFile
nmap ,wn <Plug>VimwikiGoto
nmap ,ww <Plug>VimwikiIndex

" autocompleters
autocmd BufWritePre * :call TrimWhitespace()