filetype indent on
filetype plugin on
syntax on

set secure
set exrc

set expandtab
set tabstop=4
set shiftwidth=4
set smartindent
set copyindent
set smarttab

set number relativenumber
set signcolumn=yes
set cursorline

set undodir=~/.config/nvim/undo
set undofile
set nobackup
set nowritebackup

set shortmess+=Ic

set foldmethod=syntax
set foldlevel=99
nnoremap <tab> za

set mouse=a

set updatetime=300

set hidden

set smartcase

set completeopt+=preview

set termguicolors

nnoremap <silent> <esc> :noh<cr><esc>
nnoremap <silent> <space> :FZF<cr>

"Plugins{{{
call plug#begin('~/.config/nvim/plugged')
Plug 'chriskempson/base16-vim'
Plug 'octol/vim-cpp-enhanced-highlight'
Plug 'jeffkreeftmeijer/vim-numbertoggle'
Plug 'jiangmiao/auto-pairs'
Plug 'ludovicchabant/vim-gutentags'
Plug 'tpope/vim-unimpaired'
Plug 'mkitt/tabline.vim'
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'
Plug 'dense-analysis/ale'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'majutsushi/tagbar'
"}}}
"Plugin options{{{
"auto-pairs options{{{
let g:AutoPairsMapCR=0
"}}}
"gutentags options{{{
let g:gutentags_project_root=[]
cal add(g:gutentags_project_root, 'tags')
"}}}
"ale options{{{
let g:ale_cpp_ccls_init_options={
            \   'cache': {
            \       'directory': '/tmp/ccls/cache'
            \   }
            \ }
let g:ale_c_parse_compile_commands=1
let g:ale_linters={
            \   'cpp': ['ccls', 'clangtidy']
            \}
"}}}
"coc.nvim options{{{
inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

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

inoremap <silent><expr> <c-space> coc#refresh()
inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"

nnoremap <silent> K :call <SID>show_documentation()<CR>

function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  else
    call CocAction('doHover')
  endif
endfunction

autocmd CursorHold * silent call CocActionAsync('highlight')

nmap <leader>rn <Plug>(coc-rename)
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)
"}}}
"airline options{{{
let g:airline#extensions#tabline#enabled=1
let g:airline#extensions#tabline#formatter='unique_tail_improved'
let g:airline_powerline_fonts=1
let g:airline_left_sep=''
let g:airline_left_alt_sep=''
let g:airline_right_sep=''
let g:airline_right_alt_sep=''
"}}}
"ctrlpvim options{{{
let g:ctrlp_map='<c-p>'
"}}}
"}}}

call plug#end()

colorscheme base16-default-dark
let g:airline_theme='base16_default'
"Extra theme customization{{{
hi! clear SignColumn
hi! LineNr guibg=NONE
hi! StatusLine guibg=#1F1F1F guifg=#909090
hi! Folded guibg=Normal
"}}}

" vim: fdm=marker: fdl=0