"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => vim-plug
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
call plug#begin('~/.vim/plugged')
Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
Plug 'scrooloose/nerdcommenter'
Plug 'SirVer/ultisnips'
Plug 'honza/vim-snippets'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'airblade/vim-gitgutter'
Plug 'majutsushi/tagbar'
Plug 'scrooloose/nerdtree'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'tpope/vim-fugitive'
Plug 'tomtom/quickfixsigns_vim'
"Plug ''
call plug#end()

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => General
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Sets how many lines of history VIM has to remember
set history=500

set nu
set cursorline

" Enable filetype plugins
filetype plugin on
filetype indent on

" Set to auto read when a file is changed from the outside
set autoread

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

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

" :W sudo saves the file
" (useful for handling the permission-denied error)
command W w !sudo tee % > /dev/null

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

" Avoid garbled characters in Chinese language windows OS
let $LANG='en'
set langmenu=en

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

" Be smart when using tabs ;)
set smarttab

" 1 tab == 4 spaces
set shiftwidth=4
set tabstop=4

set cc=81
map <left> :bp!<cr>
map <right> :bn!<cr>
map <up> :tabp<cr>
map <down> :tabn<cr>

map <space> /
map <C-space> ?


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Colors and Fonts
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Enable syntax highlighting
syntax enable

" Enable 256 colors palette in Gnome Terminal
if $COLORTERM == 'gnome-terminal'
    set t_Co=256
endif

try
    colorscheme desert
catch
endtry

set background=dark
hi CursorLine ctermbg=black cterm=none
hi Search ctermfg=black

" Set utf8 as standard encoding and en_US as the standard language
set fileencodings=utf-8,ucs-bom,gb18030,gbk,gb2312,cp936
set termencoding=utf-8
set encoding=utf-8

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

"set listchars=eol:¶,tab:»·,trail:·,extends:▶,precedes:◀
set lcs=eol:¶,tab:»·,trail:·,extends:▶,precedes:◀
set list

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => deoplete
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let g:deoplete#enable_at_startup = 1

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => NERD commenter
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let g:NERDSpaceDelims = 1
let g:NERDCompactSexyComs = 1
let g:NERDDefaultAlign = 'left'
let g:NERDCommentEmptyLines = 1
let g:NERDTrimTrailingWhitespace = 1
let g:NERDToggleCheckAllLines = 1

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Tagbar
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
autocmd VimEnter * nested :TagbarOpen

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

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Airline
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let g:airline_theme='angr'
let g:airline_powerline_fonts = 1
"let g:airline#extensions#tabline#left_sep = '>'
"let g:airline#extensions#tabline#left_alt_sep = '@'
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#branch#enabled = 1

""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Terminal
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
autocmd TermOpen * startinsert
tnoremap <Esc> <C-\><C-n>
map <F8> :make<cr>
map <F9> :NERDTreeFocus<cr>
map <F10> :2winc w<cr>
map <F11> :3winc w<cr>
map <F12> :tabedit term://bash<cr>

noremap ww <C-w>w