init.vim

"*****************************************************************************
"" Vim-Plug
"*****************************************************************************
call plug#begin(expand('~/./plugged'))

Plug 'lambdalisue/fern.vim'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-endwise'
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-surround'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'airblade/vim-gitgutter'
Plug 'vim-scripts/grep.vim'
Plug 'vim-scripts/CSApprox'
Plug 'bronson/vim-trailing-whitespace'
Plug 'Raimondi/delimitMate'
Plug 'majutsushi/tagbar'
Plug 'dense-analysis/ale'
Plug 'Yggdroot/indentLine'
Plug 'tpope/vim-rhubarb' " required by fugitive to :Gbrowse
Plug 'tomasr/molokai'


if isdirectory('/usr/local/opt/fzf')
  Plug '/usr/local/opt/fzf' | Plug 'junegunn/fzf.vim'
else
  Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --bin' }
  Plug 'junegunn/fzf.vim'
endif
let g:make = 'gmake'
if exists('make')
        let g:make = 'make'
endif
Plug 'Shougo/vimproc.vim', {'do': g:make}

"" Vim-Session
Plug 'xolox/vim-misc'
Plug 'xolox/vim-session'

"" Snippets
Plug 'SirVer/ultisnips'
Plug 'honza/vim-snippets'


" " go
" "" Go Lang Bundle
" Plug 'fatih/vim-go', {'do': ':GoInstallBinaries'}


" html
"" HTML Bundle
Plug 'hail2u/vim-css3-syntax'
Plug 'gko/vim-coloresque'
Plug 'tpope/vim-haml'
Plug 'mattn/emmet-vim'


" ruby
Plug 'tpope/vim-rails'
Plug 'tpope/vim-rake'
Plug 'tpope/vim-projectionist'
Plug 'thoughtbot/vim-rspec'
Plug 'ecomba/vim-ruby-refactoring', {'tag': 'main'}


" rust
" Vim racer
Plug 'racer-rust/vim-racer'

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

" Async.vim
" Plug 'prabirshrestha/async.vim'

" Vim lsp
" Plug 'prabirshrestha/vim-lsp'

" Asyncomplete.vim
" Plug 'prabirshrestha/asyncomplete.vim'

" Asyncomplete lsp.vim
" Plug 'prabirshrestha/asyncomplete-lsp.vim'

" LSP
Plug 'neoclide/coc.nvim', {'branch': 'release'}
call plug#end()

filetype plugin indent on
"*****************************************************************************
"*****************************************************************************


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

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

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

"" Map leader to ,
let mapleader='\<Space>'

"" Enable hidden buffers
set hidden

"" Searching
set hlsearch
set incsearch
set ignorecase
set smartcase

set fileformats=unix,dos,mac

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

" session management
let g:session_directory = "~/./session"
let g:session_autoload = "no"
let g:session_autosave = "no"
let g:session_command_aliases = 1

"*****************************************************************************
"" Visual Settings
"*****************************************************************************
" Enable syntax highlighting
syntax on
set ruler
set number
" set cursorline
" set cursorcolumn

let no_buffers_menu=1
colorscheme molokai


" Better command line completion
set wildmenu

" mouse support
set mouse=a

set mousemodel=popup
set t_Co=256
set guioptions=egmrti
set gfn=Monospace\ 10

if has("gui_running")
  if has("gui_mac") || has("gui_macvim")
    set guifont=Menlo:h12
    set transparency=7
  endif
else
  let g:CSApprox_loaded = 1

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


  if $COLORTERM == 'gnome-terminal'
    set term=gnome-256color
  else
    if $TERM == 'xterm'
      set term=xterm-256color
    endif
  endif

endif


if &term =~ '256color'
  set t_ut=
endif


"" 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 = 'powerlineish'
let g:airline#extensions#branch#enabled = 1
let g:airline#extensions#ale#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

"" fern
nnoremap <silent> <Leader>3 :<C-u>Fern . -drawer<CR>
nnoremap <silent> <Leader># :<C-u>Fern . -drawer -reveal=%<CR>

" grep.vim
nnoremap <silent> <leader>f :Rgrep<CR>
let Grep_Default_Options = '-IR'
let Grep_Skip_Files = '*.log *.db'
let Grep_Skip_Dirs = '.git node_modules'

" terminal emulation
nnoremap <silent> <leader>sh :terminal<CR>


"*****************************************************************************
"" Commands
"*****************************************************************************
" remove trailing whitespaces
command! FixWhitespace :%s/\s\+$//e

"*****************************************************************************
"" Functions
"*****************************************************************************
if !exists('*s:setupWrapping')
  function s:setupWrapping()
    set wrap
    set wm=2
    set textwidth=79
  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 BufRead,BufNewFile *.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>

"" Git
noremap <Leader>ga :Gwrite<CR>
noremap <Leader>gc :Git commit --verbose<CR>
noremap <Leader>gsh :Git push<CR>
noremap <Leader>gll :Git pull<CR>
noremap <Leader>gs :Git<CR>
noremap <Leader>gb :Git blame<CR>
noremap <Leader>gd :Gvdiffsplit<CR>
noremap <Leader>gr :GRemove<CR>

" session management
nnoremap <leader>so :OpenSession<Space>
nnoremap <leader>ss :SaveSession<Space>
nnoremap <leader>sd :DeleteSession<CR>
nnoremap <leader>sc :CloseSession<CR>

"" Tabs
nnoremap <Tab> gt
nnoremap <S-Tab> gT
nnoremap <silent> <S-t> :tabnew<CR>

"" Set working directory
nnoremap <leader>. :lcd %:p:h<CR>

"" Opens an edit command with the path of the currently edited file filled in
noremap <Leader>e :e <C-R>=expand("%:p:h") . "/" <CR>

"" Opens a tab edit command with the path of the currently edited file filled
noremap <Leader>te :tabe <C-R>=expand("%:p:h") . "/" <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/*"'
  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

cnoremap <C-P> <C-R>=expand("%:p:h") . "/" <CR>
nnoremap <silent> <leader>b :Buffers<CR>
nnoremap <silent> <leader>e :FZF -m<CR>
"Recovery commands from history through FZF
nmap <leader>y :History:<CR>

" snippets
let g:UltiSnipsExpandTrigger="<tab>"
let g:UltiSnipsJumpForwardTrigger="<tab>"
let g:UltiSnipsJumpBackwardTrigger="<c-b>"
let g:UltiSnipsEditSplit="vertical"

" ale
let g:ale_linters = {}

" Tagbar
nmap <silent> <F4> :TagbarToggle<CR>
let g:tagbar_autofocus = 1

" 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>

if has('macunix')
  " pbcopy for OSX copy/paste
  vmap <C-x> :!pbcopy<CR>
  vmap <C-c> :w !pbcopy<CR><CR>
endif

"" Buffer nav
noremap <leader>z :bp<CR>
noremap <leader>q :bp<CR>
noremap <leader>x :bn<CR>
noremap <leader>w :bn<CR>

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

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

"" Switching windows
noremap <C-j> <C-w>j
noremap <C-k> <C-w>k
noremap <C-l> <C-w>l
noremap <C-h> <C-w>h

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

" " go
" " vim-go
" " 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

" let g:go_list_type = "quickfix"
" let g:go_fmt_command = "goimports"
" let g:go_fmt_fail_silently = 1

" let g:go_highlight_types = 1
" let g:go_highlight_fields = 1
" let g:go_highlight_functions = 1
" let g:go_highlight_methods = 1
" let g:go_highlight_operators = 1
" let g:go_highlight_build_constraints = 1
" let g:go_highlight_structs = 1
" let g:go_highlight_generate_tags = 1
" let g:go_highlight_space_tab_error = 0
" let g:go_highlight_array_whitespace_error = 0
" let g:go_highlight_trailing_whitespace_error = 0
" let g:go_highlight_extra_types = 1

" autocmd BufNewFile,BufRead *.go setlocal noexpandtab tabstop=4 shiftwidth=4 softtabstop=4

" augroup completion_preview_close
"   autocmd!
"   if v:version > 703 || v:version == 703 && has('patch598')
"     autocmd CompleteDone * if !&previewwindow && &completeopt =~ 'preview' | silent! pclose | endif
"   endif
" augroup END

" augroup go

"   au!
"   au Filetype go command! -bang A call go#alternate#Switch(<bang>0, 'edit')
"   au Filetype go command! -bang AV call go#alternate#Switch(<bang>0, 'vsplit')
"   au Filetype go command! -bang AS call go#alternate#Switch(<bang>0, 'split')
"   au Filetype go command! -bang AT call go#alternate#Switch(<bang>0, 'tabe')

"   au FileType go nmap <Leader>dd <Plug>(go-def-vertical)
"   au FileType go nmap <Leader>dv <Plug>(go-doc-vertical)
"   au FileType go nmap <Leader>db <Plug>(go-doc-browser)

"   au FileType go nmap <leader>r  <Plug>(go-run)
"   au FileType go nmap <leader>t  <Plug>(go-test)
"   au FileType go nmap <Leader>gt <Plug>(go-coverage-toggle)
"   au FileType go nmap <Leader>i <Plug>(go-info)
"   au FileType go nmap <silent> <Leader>l <Plug>(go-metalinter)
"   au FileType go nmap <C-g> :GoDecls<cr>
"   au FileType go nmap <leader>dr :GoDeclsDir<cr>
"   au FileType go imap <C-g> <esc>:<C-u>GoDecls<cr>
"   au FileType go imap <leader>dr <esc>:<C-u>GoDeclsDir<cr>
"   au FileType go nmap <leader>rb :<C-u>call <SID>build_go_files()<CR>

" augroup END

" " ale
" :call extend(g:ale_linters, {
"     \"go": ['golint', 'go vet'], })


" html
" for html files, 2 spaces
autocmd Filetype html setlocal ts=2 sw=2 expandtab


" vim-javascript
augroup vimrc-javascript
  autocmd!
  autocmd FileType javascript setl tabstop=4|setl shiftwidth=4|setl expandtab softtabstop=4
augroup END


" ruby
let g:rubycomplete_buffer_loading = 1
let g:rubycomplete_classes_in_global = 1
let g:rubycomplete_rails = 1

augroup vimrc-ruby
  autocmd!
  autocmd BufNewFile,BufRead *.rb,*.rbw,*.gemspec setlocal filetype=ruby
  autocmd FileType ruby set tabstop=2|set shiftwidth=2|set expandtab softtabstop=2
augroup END

let g:tagbar_type_ruby = {
    \ 'kinds' : [
        \ 'm:modules',
        \ 'c:classes',
        \ 'd:describes',
        \ 'C:contexts',
        \ 'f:methods',
        \ 'F:singleton methods'
    \ ]
\ }

" RSpec.vim mappings
map <Leader>t :call RunCurrentSpecFile()<CR>
map <Leader>s :call RunNearestSpec()<CR>
map <Leader>l :call RunLastSpec()<CR>
map <Leader>a :call RunAllSpecs()<CR>

" For ruby refactory
if has('nvim')
  runtime! macros/matchit.vim
else
  packadd! matchit
endif

" Ruby refactory
nnoremap <leader>rap  :RAddParameter<cr>
nnoremap <leader>rcpc :RConvertPostConditional<cr>
nnoremap <leader>rel  :RExtractLet<cr>
vnoremap <leader>rec  :RExtractConstant<cr>
vnoremap <leader>relv :RExtractLocalVariable<cr>
nnoremap <leader>rit  :RInlineTemp<cr>
vnoremap <leader>rrlv :RRenameLocalVariable<cr>
vnoremap <leader>rriv :RRenameInstanceVariable<cr>
vnoremap <leader>rem  :RExtractMethod<cr>


" rust
" Vim racer
au FileType rust nmap gd <Plug>(rust-def)
au FileType rust nmap gs <Plug>(rust-def-split)
au FileType rust nmap gx <Plug>(rust-def-vertical)
au FileType rust nmap <leader>gd <Plug>(rust-doc)


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

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