.vimrc

filetype plugin indent on
syntax on
set encoding=utf-8
set backspace=2
set nocompatible
set number
set background=dark
colors pablo
set cursorline
set hlsearch
set incsearch
"Transfer lines by words
set linebreak
set dy=lastline
"Tab size = 4 spaces
set softtabstop=4
set expandtab
"Tab size for new line
set shiftwidth=4
set showcmd
set laststatus=2
" set statusline=%f%m%r%h%w\ %y\ enc:%{&enc}\ ff:%{&ff}\ fenc:%{&fenc}%=(ch:%3b\ hex:%2B)\ col:%2c\ line:%2l/%L\ [%2p%%]
set statusline=%f%m%r%h%w\ %y\ ff:%{&ff}\ col:%2c\ line:%2l/%L\ [%2p%%]
"Disable backups and swap
set nobackup
set nowritebackup
set noswapfile
"Brackets autocomplete
" imap [ []<LEFT>
" imap ( ()<LEFT>
" imap { {}<LEFT>
"Auto changing current working directory
set autochdir
"Add headers for python files:
"1. path to python interpreter
"2. coding utf-8
function! BufNewFile_PY()
    0put = '#!/usr/bin/python3'
    1put = '# -*- coding: utf-8 -*-'
    2put = '\"\"\"TODO: add module docs.\"\"\"'
    normal G
endfunction

call plug#begin()
Plug 'scrooloose/nerdtree', { 'on': 'NERDTreeToggle' }
"Plug 'Valloric/YouCompleteMe'
Plug 'vim-syntastic/syntastic'
Plug 'jiangmiao/auto-pairs'
Plug 'tpope/vim-fugitive'
Plug 'airblade/vim-gitgutter'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'rking/ag.vim'
"Plug 'rdnetto/YCM-Generator', { 'branch': 'stable'}
Plug 'fatih/vim-go', { 'do': ':GoUpdateBinaries' }
Plug 'davidhalter/jedi-vim'
call plug#end()

autocmd BufNewFile *.py call BufNewFile_PY()
autocmd BufNewFile *.pyw call BufNewFile_PY()
"autocmd vimenter * NERDTree
autocmd CompleteDone * pclose
let g:NERDTreeWinPos = "left"

set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*
set previewheight=25
let g:ag_working_path_mode="r"
let g:syntastic_always_populate_loc_list = 1
let g:syntastic_auto_loc_list = 2
let g:syntastic_check_on_open = 1
let g:syntastic_check_on_wq = 0
let g:syntastic_auto_jump = 0
let g:syntastic_python_checkers = ['pylint', 'flake8']
let g:syntastic_python_flake8_args='--ignore=E501,W504,F405'
let g:syntastic_python_pylint_args ='--rcfile=~/.vim/standard.rc'
let g:syntastic_c_checkers = ['gcc']

let g:ycm_show_diagnostics_ui = 0
let g:ycm_confirm_extra_conf = 0
let g:ycm_global_ycm_extra_conf = '~/.vim/plugged/YouCompleteMe/third_party/ycmd/.ycm_extra_conf.py'
"mappings
map <F8> :w <CR> :!gcc % -lm -o %< && ./%< <CR>
map <C-n> :NERDTreeToggle<CR>

" au FileType go setlocal omnifunc=go#complete#GocodeComplete

" gopls settings
let g:go_gopls_gofumpt = 1
let g:go_gopls_staticcheck = 1
let g:go_gopls_complete_unimported = 1
let g:go_gopls_matcher = 'fuzzy'
let g:go_gopls_use_placeholders = 1

" Go syntax highlighting
let g:go_highlight_fields = 1
let g:go_highlight_functions = 1
let g:go_highlight_function_calls = 1
let g:go_highlight_extra_types = 1
let g:go_highlight_operators = 1

" Auto formatting and importing
let g:go_fmt_autosave = 1
let g:go_fmt_command = "goimports"

" Status line types/signatures
" let g:go_auto_type_info = 1

" Run :GoBuild or :GoTestCompile based on the go file
function! s:build_go_files()
  let l:file = expand('%')
  if l:file =~# '^\f\+_test\.go$'
    call go#test#Test(0, 1)
  elseif l:file =~# '^\f\+\.go$'
    call go#cmd#Build(0)
  endif
endfunction


" Map keys for most used commands.
" Ex: `\b` for building, `\r` for running and `\t` for running test.
autocmd FileType go nmap <leader>b :<C-u>call <SID>build_go_files()<CR>
autocmd FileType go nmap <leader>r  <Plug>(go-run)
autocmd FileType go nmap <leader>t  <Plug>(go-test)
autocmd FileType go nmap <leader>t  <Plug>(go-test)
" Map Ctrl+Space to Ctrl+x Ctrl+o for autocomplete
au filetype go inoremap <Nul> <C-x><C-o>
au filetype go inoremap <buffer> . .<C-x><C-o>