.vimrc

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" => General
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" Don't run in VI compatable mode
set nocompatible

" With a map leader it's possible to do extra key combinations
" like <leader>w saves the current file
let mapleader = ","
let g:mapleader = ","

" Fast saving
nmap <leader>w :w!<cr>

" Show line numbers
:set number

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" => VIM user interface
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" Set 7 lines to the cursor - when moving vertically using j/k
set so=7

" Height of the command bar
set cmdheight=1

" A buffer becomes hidden when it is abandoned
set hid

" Don't redraw while executing macros (good performance config)
set lazyredraw

" Show matching brackets when text indicator is over them
set showmatch

" How many tenths of a second to blink when matching brackets
set mat=1

" No annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500

" Add a bit extra margin to the left
set foldcolumn=1

" Change cursor shape between insert and normal mode
let $NVIM_TUI_ENABLE_CURSOR_SHAPE=1
let &t_SI = "\<Esc>]50;CursorShape=1\x7" " Vertical bar in insert mode
let &t_EI = "\<Esc>]50;CursorShape=0\x7" " Block in normal mode

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" => Colors and Fonts
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try
  colorscheme seoul256
catch
endtry

set background=dark

" Set extra options when running in GUI mode
if has("gui_running")
  set guioptions-=T
  set guioptions-=e
  set t_Co=256
  set guitablabel=%M\ %t
  set lines=70
  set columns=200
  set guifont=Monaco:h12
  set guioptions-=L
  set guioptions-=r
endif

" Set utf8 as standard encoding and en_US as the standard language
set encoding=utf8

" Use Unix as the standard file type
set ffs=unix,dos,mac

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" => Custom filetypes
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au BufRead,BufNewFile *.ino setfiletype cpp

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" => Files, backups and undo
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set nobackup
set nowb
set noswapfile

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" => Text, tab and indent related
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" Use spaces instead of tabs
set expandtab

" Be smart when using tabs
set smarttab

" 1 tab == 2 spaces
set shiftwidth=2
set tabstop=2

" Linebreak
set lbr
set tw=120

set ai "Auto indent
set si "Smart indent
set nowrap "Don't wrap lines

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" => Visual mode related
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" Visual mode pressing * or # searches for the current selection
" Super useful! From an idea by Michael Naumann
vnoremap <silent> * :call VisualSelection('f', '')<CR>
vnoremap <silent> # :call VisualSelection('b', '')<CR>


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" => Moving around, tabs, windows and buffers
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" Smart way to move between windows
map <C-h> <C-w>h
map <C-j> <C-w>j
map <C-k> <C-w>k
map <C-l> <C-w>l

" Make neovim terminals act the same way
if has('nvim')
  tnoremap <C-h> <C-\><C-n><C-w>h
  tnoremap <C-j> <C-\><C-n><C-w>j
  tnoremap <C-k> <C-\><C-n><C-w>k
  tnoremap <C-l> <C-\><C-n><C-w>l
endif

" Switch CWD to the directory of the open buffer
map <leader>cd :cd %:p:h<cr>:pwd<cr>

" Specify the behavior when switching between buffers
try
  set switchbuf=useopen,usetab,newtab
  set stal=2
catch
endtry

set showtabline=0

" Return to last edit position when opening files
autocmd BufReadPost *
  \ if line("'\"") > 0 && line("'\"") <= line("$") |
  \   exe "normal! g`\"" |
  \ endif

" Remember info about open buffers on close
set viminfo^=%

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" => Editing mappings
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" Remap VIM 0 to first non-blank character
map 0 ^

" Move a line of text using ALT+[jk] or Comamnd+[jk] in macvim
nmap <M-j> mz:m+<cr>`z
nmap <M-k> mz:m-2<cr>`z
vmap <M-j> :m'>+<cr>`<my`>mzgv`yo`z
vmap <M-k> :m'<-2<cr>`>my`<mzgv`yo`z

if has("mac") || has("macunix")
  nmap <D-j> <M-j>
  nmap <D-k> <M-k>
  vmap <D-j> <M-j>
  vmap <D-k> <M-k>
endif

" Delete trailing white space on save
func! DeleteTrailingWS()
  exe "normal mz"
  %s/\s\+$//ge
  exe "normal `z"
endfunc
autocmd BufWrite * :call DeleteTrailingWS()

" map ctrl + s to write
map <C-s> :w<CR>
imap <C-s> <C-c>:w<CR>

" User Enter key to insert new lines
map <Enter> o<ESC>
map <S-Enter> O<ESC>

if has('nvim')
  " make ESC work the same in terminals
  tnoremap <esc> <C-\><C-n>

  " enter insert mode when switching to a terminal
  autocmd WinEnter term://* startinsert
endif

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" => Spell checking
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" Pressing ,ss will toggle and untoggle spell checking
map <leader>ss :setlocal spell!<cr>

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" => Misc
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" Toggle paste mode on and off
map <leader>pp :setlocal paste!<cr>

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" Plugins
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call plug#begin()

Plug 'tpope/vim-sensible'
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-vinegar'
Plug 'kien/ctrlp.vim'
Plug 'elixir-lang/vim-elixir'
Plug 'janko-m/vim-test'
Plug 'itchyny/lightline.vim'
Plug 'mattn/emmet-vim'
Plug 'mustache/vim-mustache-handlebars'

call plug#end()

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" Ctrlp
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" Use The Silver Searcher https://github.com/ggreer/the_silver_searcher
if executable('ag')
  " Use Ag over Grep
  set grepprg=ag\ --nogroup\ --nocolor

  " Use ag in CtrlP for listing files. Lightning fast and respects .gitignore
  let g:ctrlp_user_command = 'ag %s -l --nocolor -f -g ""'

  " ag is fast enough that CtrlP doesn't need to cache
  let g:ctrlp_use_caching = 0
endif

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" Vim Test
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nmap <silent> <leader>t :TestNearest<CR>
nmap <silent> <leader>T :TestFile<CR>
nmap <silent> <leader>a :TestSuite<CR>
nmap <silent> <leader>l :TestLast<CR>
nmap <silent> <leader>g :TestVisit<CR>

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" Lightline
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let g:lightline = {
\   'colorscheme': 'seoul256',
\   'active': {
\     'left': [['mode'], ['fugitive'], ['filename', 'modified']],
\     'right': [['filetype', 'fileencoding']],
\   },
\   'component': {
\     'fugitive': '%{exists("*fugitive#head")?fugitive#head():""}'
\   },
\   'component_visible_condition': {
\     'fugitive': '(exists("*fugitive#head") && ""!=fugitive#head())'
\   }
\ }

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" Emmet
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let g:user_emmet_leader_key = '<C-E>'