init.vim

" Windows platform copy C:/Users/username/AppData/Local/nvim/init.vim
"
if has('win32') || has('win64')
  let g:plugged_home = '~/AppData/Local/nvim/autoload'
else
  let g:plugged_home = '~/.vim/plugged'
endif

" Plugins List
call plug#begin(g:plugged_home)
" UI related
Plug 'chriskempson/base16-vim'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
" Better Visual Guide
Plug 'Yggdroot/indentLine'

" syntax check
Plug 'w0rp/ale'

" Autocomplete
Plug 'ncm2/ncm2'
Plug 'roxma/nvim-yarp'
Plug 'ncm2/ncm2-bufword'
Plug 'ncm2/ncm2-path'
Plug 'ncm2/ncm2-jedi'

" Formater
Plug 'Chiel92/vim-autoformat'
call plug#end()
filetype plugin indent on

" Configurations Part
" UI configuration
syntax on
syntax enable
" colorscheme
let base16colorspace=256
colorscheme base16-gruvbox-dark-hard
set background=dark
" True Color Support if it's avaiable in terminal
if has("termguicolors")
    set termguicolors
endif
if has("gui_running")
  set guicursor=n-v-c-sm:block,i-ci-ve:block,r-cr-o:blocks
endif
set number
set relativenumber
set hidden
set mouse=a
set noshowmode
set noshowmatch
set nolazyredraw
" Turn off backup
set nobackup
set noswapfile
set nowritebackup
" Search configuration
set ignorecase                    " ignore case when searching
set smartcase                     " turn on smartcase
" Tab and Indent configuration
set expandtab
set tabstop=4
set shiftwidth=4
" vim-autoformat
noremap <F3> :Autoformat<CR>
" NCM2
augroup NCM2
  autocmd!
  " enable ncm2 for all buffers
  autocmd BufEnter * call ncm2#enable_for_buffer()
  " :help Ncm2PopupOpen for more information
  set completeopt=noinsert,menuone,noselect
  " When the <Enter> key is pressed while the popup menu is visible, it only
  " hides the menu. Use this mapping to close the menu and also start a new line.
  inoremap <expr> <CR> (pumvisible() ? "\<c-y>\<cr>" : "\<CR>")
  " uncomment this block if you use vimtex for LaTex
  " autocmd Filetype tex call ncm2#register_source({
  "           \ 'name': 'vimtex',
  "           \ 'priority': 8,
  "           \ 'scope': ['tex'],
  "           \ 'mark': 'tex',
  "           \ 'word_pattern': '\w+',
  "           \ 'complete_pattern': g:vimtex#re#ncm2,
  "           \ 'on_complete': ['ncm2#on_complete#omni', 'vimtex#complete#omnifunc'],
  "           \ })
augroup END
" Ale
let g:ale_lint_on_enter = 0
let g:ale_lint_on_text_changed = 'never'
let g:ale_echo_msg_error_str = 'E'
let g:ale_echo_msg_warning_str = 'W'
let g:ale_echo_msg_format = '[%linter%] %s [%severity%]'
let g:ale_linters = {'python': ['flake8']}
" Airline
let g:airline_left_sep  = ''
let g:airline_right_sep = ''
let g:airline#extensions#ale#enabled = 1
let airline#extensions#ale#error_symbol = 'E:'
let airline#extensions#ale#warning_symbol = 'W:'