" vim plug setup
if empty(globpath(&runtimepath, 'autoload/plug.vim'))
    let s:ln = 'https://raw.githubusercontent.com'
    let s:pg = s:ln.'/junegunn/vim-plug/master/plug.vim'
    if has('nvim')
        silent! call mkdir($HOME . '/.config/nvim/autoload/', 'p')
        execute 'silent !curl -fLo ~/.config/nvim/autoload/plug.vim '.s:pg
    else
        silent! call mkdir($HOME . '/.vim/autoload/', 'p')
        execute 'silent !curl -fLo ~/.vim/autoload/plug.vim '.s:pg
    endif
    autocmd! VimEnter * PlugInstall --sync | source $MYVIMRC
endif


call plug#begin()
    if has('nvim')
        Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
    else
        Plug 'Shougo/deoplete.nvim'
        Plug 'roxma/nvim-yarp'
        Plug 'roxma/vim-hug-neovim-rpc'
    endif
    Plug 'Shougo/neco-vim'
    Plug 'Shougo/neco-syntax'
    Plug 'zchee/deoplete-jedi'
    Plug 'zchee/deoplete-clang'
    Plug 'Shougo/neosnippet'
    Plug 'Shougo/neopairs.vim'
    Plug 'tpope/vim-repeat'
    Plug 'tpope/vim-surround'
    Plug 'tpope/vim-unimpaired'
    Plug 'tomtom/tcomment_vim'
    Plug 'sickill/vim-pasta'
    Plug 'lilydjwg/colorizer'
    Plug 'vim-scripts/ReplaceWithRegister'
    Plug 'https://bitbucket.org/natemaia/vim-jinx'
    Plug 'https://bitbucket.org/natemaia/vimpaired'
    Plug 'https://bitbucket.org/natemaia/simpl-status'
    Plug 'https://bitbucket.org/natemaia/neosnippet-snippets'
call plug#end()

" deoplete and neosnippet
imap <expr><Tab> pumvisible() ? "\<C-n>" : neosnippet#expandable_or_jumpable()
            \ ? neosnippet#mappings#expand_or_jump_impl() : "\<Tab>"
smap <expr><Tab> neosnippet#expandable_or_jumpable()
            \ ? neosnippet#mappings#expand_or_jump_impl() : "\<Tab>"

inoremap <expr><S-Tab>  pumvisible() ? "\<C-p>" : "\<S-Tab>"
inoremap <expr><Up>     pumvisible() ? "\<C-p>" : "\<Up>"
inoremap <expr><Down>   pumvisible() ? "\<C-n>" : "\<Down>"

imap <expr><Return> (neosnippet#expandable() && pumvisible())
            \ ? neosnippet#mappings#expand_impl() : pumvisible() ? "\<C-y>" : "\<CR>"
smap <expr><Return> neosnippet#expandable_or_jumpable()
            \ ? neosnippet#mappings#expand_or_jump_impl() : "\<CR>"

let g:deoplete#enable_at_startup = 1
let g:deoplete#sources#clang#clang_header = '/usr/lib/clang'
let g:deoplete#sources#clang#libclang_path = '/usr/lib/libclang.so'
let g:neosnippet#snippets_directory = globpath(&runtimepath,
            \ 'plugged/neosnippet-snippets/neosnippets')
call deoplete#custom#source('neosnippet', 'rank', 9999)
call deoplete#custom#source('buffer', 'min_pattern_length', 1)

if has('conceal')
    set conceallevel=2 concealcursor=niv
endif

vmap <expr> <S-h> DVB_Drag('left')
vmap <expr> <S-l> DVB_Drag('right')
vmap <expr> <S-j> DVB_Drag('down')
vmap <expr> <S-k> DVB_Drag('up')

" color codes (requires supporting terminal)
let g:colorizer_startup = 0

" setup custom theme
let g:jinx_colors = 'night'
if has('termguicolors') && $TERM !=? 'linux' && &t_Co == 256
    let g:simpl_theme = 'jinx'
    set termguicolors

    " fix true colors in some terminals (neovim doesn't seem to have this issue)
    if !has('nvim') && !($TERM =~? 'xterm' || &term =~? 'xterm')
        let $TERM = 'xterm-256color'
        let &term = 'xterm-256color'
    endif
else
    let g:simpl_theme = 'minimal'
endif

try
    colorscheme jinx
catch
    colorscheme evening
endtry