init.vim

if &compatible
  set nocompatible               " Be iMproved
endif

" setup plugins directory for vim-plug
call plug#begin('~/.vim_plugins')

Plug 'dracula/vim'
Plug 'fatih/vim-go', { 'for': 'go' }
" Plug 'Shougo/deoplete.nvim'
" Plug 'zchee/deoplete-go', {'build': 'make'}
Plug 'majutsushi/tagbar'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'mhinz/vim-startify'
Plug 'airblade/vim-gitgutter'
Plug 'itchyny/vim-gitbranch'
Plug 'godlygeek/tabular'
Plug 'plasticboy/vim-markdown'
Plug 'ekalinin/Dockerfile.vim'
Plug 'vim-syntastic/syntastic'
Plug 'Shougo/unite.vim'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-sensible'
Plug 'tpope/vim-dispatch'
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'
Plug 'tpope/vim-fugitive'
Plug 'saltstack/salt-vim'
Plug 'python-mode/python-mode'
Plug 'Valloric/YouCompleteMe'

" Initialize plugin system
call plug#end()

" Configuration
" set working directory automatically to the current open file
set autochdir
" set theme
color dracula
" no beeping
set noerrorbells   
" ignore case while searching
set ignorecase
" ignore case unless query have case set 
set smartcase
" set relative line numbers
set relativenumber
" show the actual line number where you are at
set number
set cursorline

" vim-go syntax highlighting
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_fields = 1
let g:go_highlight_types = 1
let g:go_highlight_operators = 1
let g:go_highlight_build_constraints = 1

" gometalinter
let g:go_metalinter_enabled = ['vet', 'golint', 'errcheck']
" run gometalinter on save
let g:go_metalinter_autosave = 1
" let gometalinter timeout if it takes to long
let g:go_metalinter_deadline = "5s"
" use goimports with vim-go instead of gofmt
let g:go_fmt_command = "goimports"
" show GoInfo automatically
let g:go_auto_type_info = 1
" auto show Go code identifiers
let g:go_auto_sameids = 1


" python configuration 
let g:python_host_prog = '/usr/bin/python'
" python formatting
autocmd FileType python nnoremap <leader>y :0,$!yapf<Cr>
" To close preview window of deoplete automagically
autocmd CompleteDone * pclose 

" airline configuration
" let g:airline#extensions#tabline#enabled = 2
let g:airline#extensions#tabline#fnamemod = ':t'
let g:airline#extensions#tabline#left_sep = ' '
let g:airline#extensions#tabline#left_alt_sep = '|'
let g:airline#extensions#tabline#right_sep = ' '
let g:airline#extensions#tabline#right_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_theme= 'dracula'

" vim-gutter configuration
let g:gitgutter_override_sign_column_highlight = 0
highlight SignColumn ctermbg=black

" markdown configuration
" disabled automatic folding
let g:vim_markdown_folding_disabled=1

" syntastic configuration
" make it play nice with vim-go
let g:syntastic_go_checkers = ['gometalinter','golint', 'govet', 'errcheck']
let g:syntastic_mode_map = { 'mode': 'active', 'passive_filetypes': ['go'] }
let g:go_list_type = "quickfix"

" give salt .sls files yaml syntax highlighting
au BufNewFile,BufRead *.sls setlocal ft=yaml
" treate terraform files as yaml 
au BufNewFile,BufRead *.tf setlocal ft=yaml
" set indentation to 2 spaces for yaml
autocmd Filetype yaml setlocal ts=2 sw=2 expandtab

" set working directory per tab
" https://dmerej.info/blog/post/vim-cwd-and-neovim/
function! OnTabEnter(path)
  if isdirectory(a:path)
    let dirname = a:path
  else
    let dirname = fnamemodify(a:path, ":h")
  endif
  execute "tcd ". dirname
endfunction()

autocmd TabNewEntered * call OnTabEnter(expand("<amatch>"))

" Key bindings
" get to commands faster
nnoremap ; :
" leader key
let mapleader = "\<SPACE>" 
" show tagbar
nmap <leader>t :TagbarToggle<CR>

" vim-commentry
noremap <leader>; :Commentary<cr>

" fzf settings
" show files
nnoremap <silent> <leader><space> :Files<CR>
" show buffers
nnoremap <silent> <leader>b :Buffers<CR>
nnoremap <silent> <leader>w :Windows<CR>
" interactive search of the current file/buffer 
nnoremap <silent> <leader>l :BLines<CR>
nnoremap <silent> <leader>o :BTags<CR>
nnoremap <silent> <leader>O :Tags<CR>
" show MRU files
nnoremap <silent> <leader>? :History<CR>
" search lines through files
nnoremap <silent> <leader>/ :execute 'Ag ' . input('Ag/')<CR>
" git fugitive key bindings
" show git commits
nnoremap <silent> <leader>gl :Commits<CR>
nnoremap <silent> <leader>ga :BCommits<CR>
" git status
nnoremap <silent> <leader>gs :Gstatus<CR>
" git diff
nnoremap <silent> <leader>gd :Gdiff<CR>
" git commit 
nnoremap <silent> <leader>gc :Gcommit<CR>
" git push
nnoremap <silent> <leader>gps :Dispatch! git push<CR>
" git pull
nnoremap <silent> <leader>gpl :Dispatch git pull<CR>
" git blame
nnoremap <silent> <leader>gb :Gblame<CR>
nnoremap <silent> <leader>ge :Gedit<CR>
nnoremap <silent> <leader>gE :Gedit<space>
nnoremap <silent> <leader>gr :Gread<CR>
nnoremap <silent> <leader>gR :Gread<space>
nnoremap <silent> <leader>gw :Gwrite<CR>
nnoremap <silent> <leader>gW :Gwrite!<CR>
nnoremap <silent> <leader>gq :Gwq<CR>
nnoremap <silent> <leader>gQ :Gwq!<CR>
" set escape key to terminal insert exit 
tnoremap <Esc> <C-\><C-n>
" set the working dir to the current open file
nnoremap ,cd :cd %:p:h<CR>:pwd<CR>
" new empty tab 
nnoremap <silent> <leader>\ :tabnew<CR> 
" next tab
nnoremap <silent> <leader>] :tabnext<CR>
" previous tab
nnoremap <silent> <leader>[ :tabnext<CR>

" map window splitting
" horizontal
nnoremap <silent> <leader>- :sp<CR>
" vertical
nnoremap <silent> <leader>= :vsplit<CR>

" test ne key bindings