init.vim

"*****************************************************************************
"" Vim-PLug core
"*****************************************************************************
if empty(glob('~/.config/nvim/autoload/plug.vim'))
 if !executable("curl")
     echoerr "You have to install curl or first install vim-plug yourself!"
     execute "q!"
  endif
  silent execute "!curl -fLo ~/.config/nvim/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim"
  autocmd VimEnter * PlugInstall | source $MYVIMRC
endif

" Required:
call plug#begin(expand('~/.config/nvim/plugged'))

"*****************************************************************************
"" Plug install packages
"*****************************************************************************
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-unimpaired'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'airblade/vim-gitgutter'
Plug 'vim-scripts/CSApprox'
Plug 'Yggdroot/indentLine'
Plug 'sheerun/vim-polyglot'
Plug 'thaerkh/vim-workspace'
Plug 'vim-latex/vim-latex'
Plug 'airblade/vim-rooter'

if !executable('sk')
    Plug 'lotabout/skim', { 'dir': '~/.skim', 'do': './install --bin' }
endif
Plug 'lotabout/skim.vim'

let g:make = 'gmake'
if exists('make')
    let g:make = 'make'
endif

" language server and autocompletion
Plug 'autozimu/LanguageClient-neovim', { 'branch': 'next',  'do': 'bash install.sh', }
Plug 'roxma/nvim-yarp'
Plug 'ncm2/ncm2'

" Completion plugins
Plug 'ncm2/ncm2-bufword'
Plug 'ncm2/ncm2-tmux'
Plug 'ncm2/ncm2-path'

"" Color
Plug 'rakr/vim-one'
Plug 'ayu-theme/ayu-vim'

" Rust.vim
Plug 'rust-lang/rust.vim'


"*****************************************************************************
"*****************************************************************************

"" Include user's extra bundle
if filereadable(expand("~/.config/nvim/local_bundles.vim"))
  source ~/.config/nvim/local_bundles.vim
endif

call plug#end()

" Required:
filetype plugin indent on


"*****************************************************************************
"" Basic Setup
"*****************************************************************************"
"" Encoding
set encoding=utf-8
set fileencoding=utf-8
set fileencodings=utf-8

"" Fix backspace indent
set backspace=indent,eol,start
set autoindent

"" Tabs. May be overriten by autocmd rules
set tabstop=4
set softtabstop=0
set shiftwidth=4
set expandtab

"" Map leader to ,
let mapleader=','

"" Enable hidden buffers
set hidden

"" Searching
set hlsearch
set incsearch
set ignorecase
set smartcase

"" Directories for swp files
set nobackup
set noswapfile

" Sane splits
set splitbelow
set splitright
set diffopt+=vertical

" Enable mouse support
set mouse=a

set fileformats=unix,dos,mac

if exists('$SHELL')
    set shell=$SHELL
else
    set shell=/bin/sh
endif

" workspace management
let g:workspace_autosave = 1

"*****************************************************************************
"" Visual Settings
"*****************************************************************************
syntax on
set ruler
set number

" Relative number
set number relativenumber

" Wrapping
set nowrap

let no_buffers_menu=1

colorscheme one
set background=dark
let g:one_allow_italics = 1
call one#highlight('rustCommentLineDoc', '639656', '', 'italic')
call one#highlight('rustCommentBlockDoc', '639656', '', 'italic')

" always show sign column
set signcolumn=yes

set mousemodel=popup
set t_Co=256
set termguicolors

let g:CSApprox_loaded = 1

" IndentLine
let g:indentLine_enabled = 1
let g:indentLine_concealcursor = 0
let g:indentLine_char = '┆'
let g:indentLine_faster = 1


"" Disable the blinking cursor.
set gcr=a:blinkon0
set scrolloff=3

"" Status bar
set laststatus=2

"" Use modeline overrides
set modeline
set modelines=10

set title
set titleold="Terminal"
set titlestring=%F

set statusline=%F%m%r%h%w%=(%{&ff}/%Y)\ (line\ %l\/%L,\ col\ %c)\

" Search mappings: These will make it so that going to the next one in a
" search will center on the line it's found in.
nnoremap n nzzzv
nnoremap N Nzzzv

if exists("*fugitive#statusline")
  set statusline+=%{fugitive#statusline()}
endif

" vim-airline
let g:airline_theme = 'one'
let g:airline#extensions#syntastic#enabled = 1
let g:airline#extensions#branch#enabled = 1
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tagbar#enabled = 1
let g:airline_skip_empty_sections = 1

"*****************************************************************************
"" Abbreviations
"*****************************************************************************
"" no one is really happy until you have this shortcuts
cnoreabbrev W! w!
cnoreabbrev Q! q!
cnoreabbrev Qall! qall!
cnoreabbrev Wq wq
cnoreabbrev Wa wa
cnoreabbrev wQ wq
cnoreabbrev WQ wq
cnoreabbrev W w
cnoreabbrev Q q
cnoreabbrev Qall qall

"*****************************************************************************
"" Functions
"*****************************************************************************
if !exists('*s:setupWrapping')
  function s:setupWrapping()
    set wrap
    set wm=2
    set textwidth=79
    " set linebreak
  endfunction
endif

"*****************************************************************************
"" Autocmd Rules
"*****************************************************************************
"" The PC is fast enough, do syntax highlight syncing from start unless 200 lines
augroup vimrc-sync-fromstart
  autocmd!
  autocmd BufEnter * :syntax sync maxlines=200
augroup END

"" Remember cursor position
augroup vimrc-remember-cursor-position
  autocmd!
  autocmd BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g`\"" | endif
augroup END

"" txt
augroup vimrc-wrapping
  autocmd!
  autocmd FileType tex,latex,context,plaintex,txt call s:setupWrapping()
augroup END

"" make/cmake
augroup vimrc-make-cmake
  autocmd!
  autocmd FileType make setlocal noexpandtab
  autocmd BufNewFile,BufRead CMakeLists.txt setlocal filetype=cmake
augroup END

set autoread

"*****************************************************************************
"" Mappings
"*****************************************************************************

"" Split
noremap <Leader>h :<C-u>split<CR>
noremap <Leader>v :<C-u>vsplit<CR>

" workspace management
nnoremap <leader>s :ToggleWorkspace<CR>

"" fzf.vim
set wildmode=list:longest,list:full
set wildignore+=*.o,*.obj,.git,*.rbc,*.pyc,__pycache__
let $FZF_DEFAULT_COMMAND =  "find * -path '*/\.*' -prune -o -path 'node_modules/**' -prune -o -path 'target/**' -prune -o -path 'dist/**' -prune -o  -type f -print -o -type l -print 2> /dev/null"

" The Silver Searcher
if executable('ag')
  let $FZF_DEFAULT_COMMAND = 'ag --hidden --ignore .git -g ""'
  set grepprg=ag\ --nogroup\ --nocolor
endif

" ripgrep
if executable('rg')
  let $FZF_DEFAULT_COMMAND = 'rg --files --hidden --follow --glob "!.git/*"'
  let $SKIM_DEFAULT_COMMAND = 'rg --files --hidden --follow --glob "!.git/*"'
  set grepprg=rg\ --vimgrep
  command! -bang -nargs=* Find call fzf#vim#grep('rg --column --line-number --no-heading --fixed-strings --ignore-case --hidden --follow --glob "!.git/*" --color "always" '.shellescape(<q-args>).'| tr -d "\017"', 1, <bang>0)
endif

nnoremap <silent> <leader>b :Buffers<CR>
nnoremap <silent> <leader>e :SK -m<CR>

" Disable visualbell
set noerrorbells visualbell t_vb=
if has('autocmd')
  autocmd GUIEnter * set visualbell t_vb=
endif

"" Copy/Paste/Cut
if has('unnamedplus')
  set clipboard=unnamed,unnamedplus
endif

noremap YY "+y<CR>
noremap <leader>p "+gP<CR>
noremap XX "+x<CR>

"" Buffer nav
nnoremap <C-N> :bnext<CR>
nnoremap <C-P> :bprev<CR>

"" Close buffer
noremap <leader>c :bd<CR>

"" Clean search (highlight)
nnoremap <silent> <esc> :noh<cr>

"" Vmap for maintain Visual Mode after shifting > and <
vmap < <gv
vmap > >gv

"" Move visual block
vnoremap J :m '>+1<CR>gv=gv
vnoremap K :m '<-2<CR>gv=gv

"" Open current line on GitHub
nnoremap <Leader>o :.Gbrowse<CR>

"*****************************************************************************
"" Custom configs
"*****************************************************************************
" rooter
let g:rooter_patterns = ['.git', '.git/', 'Cargo.toml']

" get rid of netrw
let loaded_netrwPlugin = 1

" rust
" rls integration
let g:LanguageClient_serverCommands = {
    \ 'rust': ['rustup', 'run', 'nightly', 'rls'],
    \ }
let g:LanguageClient_autoStart = 1

" LanguageClient
nnoremap <silent> K :call LanguageClient#textDocument_hover()<CR>
nnoremap <silent> gd :call LanguageClient#textDocument_definition()<CR>
nnoremap <silent> <F2> :call LanguageClient#textDocument_rename()<CR>
nnoremap <silent> <C-l> :call LanguageClient#textDocument_formatting()<CR>

" Completion
autocmd BufEnter * call ncm2#enable_for_buffer()
set completeopt=noinsert,menuone,noselect
" tab to select
" and don't hijack my enter key
inoremap <expr><Tab> (pumvisible()?(empty(v:completed_item)?"\<C-n>":"\<C-y>"):"\<Tab>")
inoremap <expr><CR> (pumvisible()?(empty(v:completed_item)?"\<CR>\<CR>":"\<C-y>"):"\<CR>")

"*****************************************************************************
"*****************************************************************************

"" Include user's local vim config
if filereadable(expand("~/.config/nvim/local_init.vim"))
  source ~/.config/nvim/local_init.vim
endif

"*****************************************************************************
"" Convenience variables
"*****************************************************************************

" vim-airline
if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif

if !exists('g:airline_powerline_fonts')
  let g:airline#extensions#tabline#left_sep = ' '
  let g:airline#extensions#tabline#left_alt_sep = '|'
  let g:airline_left_sep          = '▶'
  let g:airline_left_alt_sep      = '»'
  let g:airline_right_sep         = '◀'
  let g:airline_right_alt_sep     = '«'
  let g:airline#extensions#branch#prefix     = '⤴' "➔, ➥, ⎇
  let g:airline#extensions#readonly#symbol   = '⊘'
  let g:airline#extensions#linecolumn#prefix = '¶'
  let g:airline#extensions#paste#symbol      = 'ρ'
  let g:airline_symbols.linenr    = '␊'
  let g:airline_symbols.branch    = '⎇'
  let g:airline_symbols.paste     = 'ρ'
  let g:airline_symbols.paste     = 'Þ'
  let g:airline_symbols.paste     = '∥'
  let g:airline_symbols.whitespace = 'Ξ'
else
  let g:airline#extensions#tabline#left_sep = ''
  let g:airline#extensions#tabline#left_alt_sep = ''

  " powerline symbols
  let g:airline_left_sep = ''
  let g:airline_left_alt_sep = ''
  let g:airline_right_sep = ''
  let g:airline_right_alt_sep = ''
  let g:airline_symbols.branch = ''
  let g:airline_symbols.readonly = ''
  let g:airline_symbols.linenr = ''
endif