.vimrc

syntax on

set hidden
set noerrorbells
set tabstop=2 softtabstop=2
set shiftwidth=2
set expandtab
set smartindent
set nu
set relativenumber
set nowrap
set smartcase
set noswapfile
set nobackup
set undodir=~/.vim/undodir
set undofile
set incsearch
set backspace=indent,eol,start

" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
" delays and poor user experience.
set updatetime=50

" Don't pass messages to |ins-completion-menu|.
set shortmess+=c

set colorcolumn=80
highlight ColorColumn ctermbg=0 guibg=lightgrey
autocmd VimEnter * NERDTree
map <C-b> :NERDTreeToggle<CR>
map <C-q> :windo q<CR>

let g:pymode_python = 'python3'

let g:ycm_python_interpreter_path = '/usr/local/bin/python3'
let NERDTreeShowHidden=1


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

Plug 'ycm-core/YouCompleteMe'
Plug 'morhetz/gruvbox'
Plug 'jremmen/vim-ripgrep'
Plug 'tpope/vim-fugitive'
Plug 'leafgarland/typescript-vim'
Plug 'vim-utils/vim-man'
Plug 'https://github.com/kien/ctrlp.vim.git'
Plug 'prettier/vim-prettier', { 'do': 'yarn install' }
Plug 'mbbill/undotree'
Plug 'sheerun/vim-polyglot'
Plug 'dense-analysis/ale'
Plug 'scrooloose/nerdtree'
Plug 'Xuyuanp/nerdtree-git-plugin'
Plug 'mhinz/vim-startify'


call plug#end()


colorscheme gruvbox
set background=dark

if executable('rg')
    let g:rg_derive_root='true'
endif

let g:ctrlp_user_command = ['.git/', 'git --git-dir=%s/.git ls-files -oc --exclude-standard']
let mapleader = " "

let g:netrw_browse_split = 2
let g:netrw_banner = 0
let g:netrw_winsize = 25

let g:ctrlp_use_caching = 0

nnoremap <leader>h :wincmd h<CR>
nnoremap <leader>j :wincmd j<CR>
nnoremap <leader>k :wincmd k<CR>
nnoremap <leader>l :wincmd l<CR>
nnoremap <leader>u :UndotreeShow<CR>
nnoremap <leader>pv :wincmd v<bar> :Ex <bar> :vertical resize 30<CR>
nnoremap <Leader>ps :Rg<SPACE>
nnoremap <silent> <Leader>+ :vertical resize +5<CR>
nnoremap <silent> <Leader>- :vertical resize -5<CR>
vnoremap J :m '>+1<CR>gv=gv
vnoremap K :m '<-2<CR>gv=gv

fun! GoYCM()
    nnoremap <buffer> <silent> <leader>gd :YcmCompleter GoTo<CR>
    nnoremap <buffer> <silent> <leader>gr :YcmCompleter GoToReferences<CR>
    nnoremap <buffer> <silent> <leader>rr :YcmCompleter RefactorRename<space>
endfun

function! s:check_back_space() abort
    let col = col('.') - 1
    return !col || getline('.')[col - 1]  =~# '\s'
endfunction

fun! GoCoc()
    inoremap <buffer> <silent><expr> <TAB>
                \ pumvisible() ? "\<C-n>" :
                \ <SID>check_back_space() ? "\<TAB>" :
                \ coc#refresh()

    inoremap <buffer> <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
    inoremap <buffer> <silent><expr> <C-space> coc#refresh()

    " GoTo code navigation.
    nmap <buffer> <leader>gd <Plug>(coc-definition)
    nmap <buffer> <leader>gy <Plug>(coc-type-definition)
    nmap <buffer> <leader>gi <Plug>(coc-implementation)
    nmap <buffer> <leader>gr <Plug>(coc-references)
    nnoremap <buffer> <leader>cr :CocRestart
endfun

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

autocmd BufWritePre * :call TrimWhitespace()
autocmd FileType typescript :call GoYCM()
autocmd FileType cpp,cxx,h,hpp,c :call GoCoc()

nmap <silent> [c <Plug>(ale_previous_wrap)
nmap <silent> ]c <Plug>(ale_next_wrap)

let g:ale_sign_error = '❌'
let g:ale_sign_warning = '⚠️'