" nvim configuration ~~ rgoncalves.se

" vim-plug autoinstall
if empty(glob('~/.local/share/nvim/site/autoload/plug.vim'))
	silent !curl -fLo ~/.local/share/nvim/site/autoload/plug.vim --create-dirs
		\ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
	autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

" system agnostic detection
let uname = system('uname')[:-2]

" global configuration
set encoding=utf-8
set laststatus=2
set scrolloff=3
set viminfo=
set mouse=a
set title
set number
set noswapfile
set shell=/bin/sh
set updatetime=2500
set synmaxcol=300
set lazyredraw
set ttyfast
set wildoptions=
set autochdir
let sh_minlines=100
let sh_maxlines=600

" filetypes and colorschemes
syntax on
filetype on
filetype plugin on
filetype indent on
colorscheme base

" keybindings
noremap =j :%!python -m json.tool<CR>
noremap =k :%s/-\|-/-+-/g<CR>
noremap =l :%s/-+-/-\|-/g<CR>
noremap <F2> :NERDTreeToggle <CR>
noremap <F3> :GitGutterCustomToggle <CR>
inoremap <C-h> <Left>
inoremap <C-j> <Down>
inoremap <C-k> <Up>
inoremap <C-l> <Right>
" keybindings - omnifunc
inoremap <expr> <CR> pumvisible() ? "\<C-Y>" : "\<CR>"
inoremap <expr> <C-l> pumvisible() ? "\<CR>" : "\<CR>"
inoremap <expr> <C-n> pumvisible() ? '<C-n>' :
	\ '<C-n><C-r>=pumvisible() ? "\<lt>Down>" : ""<CR>'
inoremap <expr> <M-,> pumvisible() ? '<C-n>' :
	\ '<C-x><C-o><C-n><C-p><C-r>=pumvisible() ? "\<lt>Down>" : ""<CR>'
inoremap <expr> <C-Space> (pumvisible() ? (col('.') > 1 ? '<Esc>i<Right>' : '<Esc>i') : '') .
	\ '<C-x><C-o><C-r>=pumvisible() ? "\<lt>C-n>\<lt>C-p>\<lt>Down>" : ""<CR>'
inoremap <expr> <S-Space> (pumvisible() ? (col('.') > 1 ? '<Esc>i<Right>' : '<Esc>i') : '') .
	\ '<C-x><C-u><C-r>=pumvisible() ? "\<lt>C-n>\<lt>C-p>\<lt>Down>" : ""<CR>'

let g:polyglot_disabled = ['autoindent', 'sensible']

" PLUGINS list
if !empty(glob('~/.local/share/nvim/site/autoload/plug.vim'))
	call plug#begin('~/.nvim/plugged/')
	" core
	Plug 'scrooloose/nerdtree'
	" completion
	Plug 'w0rp/ale'
	" Plug 'davidhalter/jedi-vim'
	Plug 'maralla/completor.vim'
	" fzf
	Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
	Plug 'junegunn/fzf.vim'
	" indent
	Plug 'nathanaelkane/vim-indent-guides'
	Plug 'editorconfig/editorconfig-vim'
	Plug 'pangloss/vim-javascript'
	Plug 'pearofducks/ansible-vim'
	Plug 'sheerun/vim-polyglot'
	Plug 'dbeniamine/vim-mail'
	Plug 'ap/vim-css-color'
	" notes
	Plug 'dhruvasagar/vim-table-mode'
	Plug 'jceb/vim-orgmode'
	" headers and source
	Plug 'vim-scripts/a.vim'
	Plug 'majutsushi/tagbar'
	" git
	Plug 'airblade/vim-gitgutter'
	Plug 'tpope/vim-fugitive'
	Plug 'jreybert/vimagit'
	Plug 'junegunn/gv.vim'
	" python
	Plug 'petobens/poet-v'
	call plug#end()
endif

" indentation
set smarttab
set autoindent
set nocompatible
set tabstop=8
set shiftwidth=8
set softtabstop=8
set noexpandtab
set list lcs=tab:\|\  ".
set fillchars+=vert:\  ".
set ve+=onemore
set list
set shortmess=atToOF

" plugins settings
let g:ale_sign_error = ''
let g:ale_sign_warning = ''
let g:ale_c_clang_options='-std=gnu99 -Wall'
let g:ale_c_gcc_options='-std=gnu99 -Wall'
let g:ale_sh_shellcheck_options = '-e SC1090 SC2181 -e SC2155'
let g:ale_python_flake8_options = '--ignore=E501'
let g:ale_linters = { 'python': ['bandit', 'flake8'], }

let g:gitgutter_max_signs = 500
let g:gitgutter_sign_added = '+'
let g:gitgutter_sign_modified = '~'
let g:gitgutter_sign_removed = '-'
let g:gitgutter_sign_modified_removed = '-'

let g:indent_guides_enable_on_vim_startup = 0
let g:indent_guides_auto_colors = 0
let g:indent_cuides_exclude_filetypes = [
	\'help',
	\'terminal'
	\]
let g:poetv_executables = ['poetry']
let g:poetv_auto_activate = 1

let g:python_host_prog = system('which python2')[:-2]
let g:python3_host_prog = system('which python3')[:-2]
let g:jedi#auto_initialization = 1
let g:jedi#popup_on_dot = 0

let g:NERDTreeAutoDeleteBuffer = 1
let g:NERDTreeMinimalUI = 1
let g:NERDTreeDirArrowExpandable = '+'
let g:NERDTreeDirArrowCollapsible = '-'

let g:EditorConfig_exclude_patterns = ['fugitive://.*', 'scp://.*']
let g:fzf_layout = { 'down': '40%'}
let g:magit_default_fold_level = 2
let g:sql_type_default = 'pgsql'
let g:table_mode_always_active = 0

if uname == 'OpenBSD'
	let g:ncm2_pyclang#library_path = '/usr/local/lib/libclang.so.8.1'
	let g:completor_python_binary = '/usr/bin/python3'
endif

" netrw
let g:netrw_banner = 0
let g:netrw_browse_split = 4
let g:netrw_liststyle = 3
let g:netrw_altv = 1
let g:netrw_winsize = 25
let g:netrw_list_hide = '\(^\|\s\s\)\zs\.\S\+'

autocmd BufNewFile,BufReadPost *.{yaml,yml} set filetype=yaml
autocmd BufNewFile,BufReadPost */*ssh/config.d/* set syntax=sshconfig
autocmd BufNewFile,BufReadPost */*ansible*/**/*.yml set filetype=yaml.ansible
autocmd BufNewFile,BufRead ~/.config/i3/config set filetype=i3config
autocmd BufNewFile,BufRead ~/.config/sway/config set filetype=i3config
autocmd BufNewFile,BufRead ~/.config/polybar/config set filetype=dosini
autocmd FileType conf let b:EditorConfig_disable = 1
autocmd FileType gitcommit let b:EditorConfig_disable = 1
autocmd FileType java setlocal omnifunc=javacomplete#Complete
autocmd FileType yaml let b:EditorConfig_disable = 1

" statusline
set statusline=
set statusline+=\ %f
set statusline+=%m
set statusline+=%=
set statusline+=\ %y
set statusline+=\ %{&fileencoding?&fileencoding:&encoding}
set statusline+=\ [%{&fileformat}\]
set statusline+=\ %p%%
set statusline+=\ %l:%c
set statusline+=\ 

" completion
set omnifunc=syntaxcomplete#Complete
set completeopt=longest,menuone

" commands
command! PlugSync PlugClean |
	\ PlugInstall |
	\ UpdateRemotePlugins
command! GitGutterCustomToggle GitGutterLineHighlightsToggle |
	\ GitGutterLineNrHighlightsToggle
command! Gblame Git blame

" cnoremap <silent> <cr> <cr>:call <SID>CommandCallback()<cr>

function! s:SyncColorcolumnColorscheme()
	let l:length = '/\%' . string(&colorcolumn + 1) . 'v.\+/'
	execute 'match' 'OverLength' l:length
endfunction

function! s:CommandCallback()
	let l:last_command = @:

	if l:last_command =~ 'set colorcolumn'
		call s:SyncColorcolumnColorscheme()
	endif
endfunction

function! s:Init()
	call s:SyncColorcolumnColorscheme()
endfunction