init.vim

" Auto install vim-plug and plugins
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

" Configuration file for vim
set modelines=0		" CVE-2007-2438

" Normally we use vim-extensions. If you want true vi-compatibility
" remove change the following statements
set nocompatible	" Use Vim defaults instead of 100% vi compatibility

call plug#begin('~/.local/share/nvim/plugged') 
Plug 'junegunn/vim-easy-align'

Plug 'scrooloose/nerdtree', { 'on':  'NERDTreeToggle' }
Plug 'tpope/vim-fireplace', { 'for': 'clojure' }

Plug 'ctrlpvim/ctrlp.vim'          " CtrlP is installed to support tag finding in vim-go
Plug 'fatih/vim-go'
Plug 'NLKNguyen/papercolor-theme'

Plug 'bling/vim-airline' |  Plug 'vim-airline/vim-airline-themes'
Plug 'simeji/winresizer', {'on': 'WinResizerStartResize'}

Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

Plug 'nsf/gocode', { 'rtp': 'vim', 'do': '~/.vim/plugged/gocode/vim/symlink.sh' }
Plug 'zchee/deoplete-go', { 'do': 'make'}
Plug 'w0rp/ale'

Plug 'vim-scripts/nginx.vim'
Plug 'ekalinin/dockerfile.vim'
Plug 'elzr/vim-json'
Plug 'chase/vim-ansible-yaml'
Plug 'tpope/vim-fugitive'

call plug#end()

"set t_Co=256
"set t_AB=^[[48;5;%dm
"set t_AF=^[[38;5;%dm

"----------------------------------------------
" General settings
"----------------------------------------------
set autoindent                    " take indent for new line from previous line
set smartindent                   " enable smart indentation
set autoread                      " reload file if the file changes on the disk
set autowrite                     " write when switching buffers
set autowriteall                  " write on :quit
set clipboard=unnamedplus
set colorcolumn=81                " highlight the 80th column as an indicator
set completeopt-=preview          " remove the horrendous preview window
set cursorline                    " highlight the current line for the cursor
set encoding=utf-8
set expandtab                     " expands tabs to spaces
set list                          " show trailing whitespace
set listchars=tab:\|\ ,trail:▫
set nospell                       " disable spelling
set nowrap
set noerrorbells                  " No bells!
set novisualbell                  " I said, no bells!
set number                        " show number ruler
set relativenumber                " show relative numbers in the ruler
set ruler
set formatoptions=tcqron          " set vims text formatting options
set softtabstop=2
set tabstop=2
set textwidth=80
set title                         " let vim set the terminal title
set updatetime=100                " redraw the status bar often

" Enable mouse if possible
if has('mouse')
    set mouse=a
endif

" Allow vim to set a custom font or color for a word
syntax enable

" Set the leader button
let mapleader = ','

"""""""""""""""""""""""
" Don't create backup "
"""""""""""""""""""""""
set nobackup
set nowritebackup
set noswapfile

"----------------------------------------------
" Colors
"----------------------------------------------
set background=dark
colorscheme PaperColor

set laststatus=2

" show traling spaces
set list
set listchars=trail:-,tab:\ \ ,

" Toggle background with <leader>bg
map <leader>bg :let &background = (&background == "dark"? "light" : "dark")<cr>

"----------------------------------------------
" Searching
"----------------------------------------------
set incsearch                     " move to match as you type the search query
set hlsearch                      " disable search result highlighting
set ignorecase

if has('nvim')
    set inccommand=split          " enables interactive search and replace
endif

" Clear search highlights
map <leader>cc :nohlsearch<cr>

" These mappings 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

"----------------------------------------------
" Navigation
"----------------------------------------------
" Disable arrow keys
"noremap <Up> <NOP>
"noremap <Down> <NOP>
"noremap <Left> <NOP>
"noremap <Right> <NOP>

" Move between buffers with Shift + arrow key
nnoremap <S-Left> :bprevious<cr>
nnoremap <S-Right> :bnext<cr>

" Fix some common typos
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

"----------------------------------------------
" Splits
"----------------------------------------------
" Create horizointal splits below the current window
set splitbelow
set splitright

" Creating splits
nnoremap <leader>v :vsplit<cr>
nnoremap <leader>h :split<cr>

" Closing splits
nnoremap <leader>q :close<cr>

" splits navigation
nnoremap <Right> <C-w>l
nnoremap <Left> <C-w>h
nnoremap <Up> <C-w>k
nnoremap <Down> <C-w>j

" Start WinResizerPlugin
nnoremap <C-e> :exe "WinResizerStartResize"<CR>

" Enable syntax highlighting per default
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_structs = 1
let g:go_highlight_operators = 1
let g:go_highlight_build_constraints = 1
let g:go_highlight_extra_types = 1

" Show type information
let g:go_auto_type_info = 1

" Highlight variable uses
let g:go_auto_sameids = 1

"----------------------------------------------
" Plugin: bling/vim-airline
"----------------------------------------------
" Show status bar by default.
set laststatus=2

" Enable top tabline.
let g:airline#extensions#tabline#enabled = 1

" Disable showing tabs in the tabline. This will ensure that the buffers are
" what is shown in the tabline at all times.
let g:airline#extensions#tabline#show_tabs = 0

" Enable powerline fonts.
let g:airline_powerline_fonts = 0

"----------------------------------------------
" Plugin: 'junegunn/fzf.vim'
"----------------------------------------------
nnoremap <c-p> :FZF<cr>

"----------------------------------------------
" Plugin: plasticboy/vim-markdown
"----------------------------------------------
" Disable folding
let g:vim_markdown_folding_disabled = 1

" Auto shrink the TOC, so that it won't take up 50% of the screen
let g:vim_markdown_toc_autofit = 1

"----------------------------------------------
" Plugin: scrooloose/nerdtree
"----------------------------------------------
nnoremap <leader>d :NERDTreeToggle<cr>
nnoremap <F2> :NERDTreeToggle<cr>

" Files to ignore
let NERDTreeIgnore = [
    \ '\~$',
    \ '\.pyc$',
    \ '^\.DS_Store$',
    \ '^node_modules$',
    \ '^.ropeproject$',
    \ '^__pycache__$'
\]

" Close vim if NERDTree is the only opened window.
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

"autocmd vimenter * NERDTree
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | endif

" Show hidden files by default.
let NERDTreeShowHidden = 1

" Allow NERDTree to change session root.
let g:NERDTreeChDirMode = 2

"----------------------------------------------
" Plugin: zchee/deoplete-go
"----------------------------------------------
" Enable completing of go pointers
let g:deoplete#sources#go#pointer = 1

"----------------------------------------------
" Plugin: w0rp/ale
"----------------------------------------------
" Error and warning signs.
let g:ale_sign_error = '✗'
let g:ale_sign_warning = '⚠'

" Enable integration with airline.
let g:airline#extensions#ale#enabled = 1

"----------------------------------------------
" Language: Golang
"----------------------------------------------
au FileType go set noexpandtab
au FileType go set shiftwidth=4
au FileType go set softtabstop=4
au FileType go set tabstop=4

" Mappings
au FileType go nmap <F9> :GoCoverageToggle -short<cr>
au FileType go nmap <F10> :GoTest -short<cr>
au FileType go nmap <F12> <Plug>(go-def)
au Filetype go nmap <leader>ga <Plug>(go-alternate-edit)
au Filetype go nmap <leader>gah <Plug>(go-alternate-split)
au Filetype go nmap <leader>gav <Plug>(go-alternate-vertical)
au FileType go nmap <leader>gt :GoDeclsDir<cr>
au FileType go nmap <leader>gc <Plug>(go-coverage-toggle)
au FileType go nmap <leader>gd <Plug>(go-def)
au FileType go nmap <leader>gdv <Plug>(go-def-vertical)
au FileType go nmap <leader>gdh <Plug>(go-def-horizontal)
au FileType go nmap <leader>gD <Plug>(go-doc)
au FileType go nmap <leader>gDv <Plug>(go-doc-vertical)
"autocmd FileType go nmap <leader>b  <Plug>(go-build)
autocmd FileType go nmap <leader>r  <Plug>(go-run)
autocmd FileType go nmap <leader>t  <Plug>(go-test)

" 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

autocmd FileType go nmap <leader>b :<C-u>call <SID>build_go_files()<CR>

map <C-n> :cnext<CR>
map <C-m> :cprevious<CR>
nnoremap <leader>a :cclose<CR>
autocmd FileType go nmap <Leader>c <Plug>(go-coverage-toggle)


" Run goimports when running gofmt
let g:go_fmt_command = "goimports"

" Set neosnippet as snippet engine
let g:go_snippet_engine = "neosnippet"

" Enable syntax highlighting per default
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_structs = 1
let g:go_highlight_operators = 1
let g:go_highlight_build_constraints = 1
let g:go_highlight_extra_types = 1

" Show type information
let g:go_auto_type_info = 1

" Highlight variable uses
let g:go_auto_sameids = 1

" Fix for location list when vim-go is used together with Syntastic
let g:go_list_type = "quickfix"

" gometalinter configuration
let g:go_metalinter_command = ""
let g:go_metalinter_deadline = "5s"
let g:go_metalinter_enabled = [
    \ 'deadcode',
    \ 'errcheck',
    \ 'gas',
    \ 'goconst',
    \ 'gocyclo',
    \ 'golint',
    \ 'gosimple',
    \ 'ineffassign',
    \ 'vet',
    \ 'vetshadow'
\]

" Set whether the JSON tags should be snakecase or camelcase
let g:go_addtags_transform = "snakecase"

"----------------------------------------------
" Language: Bash
"----------------------------------------------
au FileType sh set noexpandtab
au FileType sh set shiftwidth=2
au FileType sh set softtabstop=2
au FileType sh set tabstop=2

"----------------------------------------------
" Language: gitcommit
"----------------------------------------------
au FileType gitcommit setlocal spell
au FileType gitcommit setlocal textwidth=80

"----------------------------------------------
" Language: JSON
"----------------------------------------------
au FileType json set expandtab
au FileType json set shiftwidth=2
au FileType json set softtabstop=2
au FileType json set tabstop=2

"----------------------------------------------
" Language: LESS
"----------------------------------------------
au FileType less set expandtab
au FileType less set shiftwidth=2
au FileType less set softtabstop=2
au FileType less set tabstop=2

"----------------------------------------------
" Language: Make
"----------------------------------------------
au FileType make set noexpandtab
au FileType make set shiftwidth=2
au FileType make set softtabstop=2
au FileType make set tabstop=2

"----------------------------------------------
" Language: Markdown
"----------------------------------------------
au FileType markdown setlocal spell
au FileType markdown set expandtab
au FileType markdown set shiftwidth=4
au FileType markdown set softtabstop=4
au FileType markdown set tabstop=4
au FileType markdown set syntax=markdown


"----------------------------------------------
" Language: YAML
"----------------------------------------------
au FileType yaml set expandtab
au FileType yaml set shiftwidth=2
au FileType yaml set softtabstop=2
au FileType yaml set tabstop=2