" _       _ _         _           
"(_)_ __ (_) |___   _(_)_ __ ___  
"| | '_ \| | __\ \ / / | '_ ` _ \ 
"| | | | | | |_ \ V /| | | | | | |
"|_|_| |_|_|\__(_)_/ |_|_| |_| |_|

set shiftwidth=4     " indent = 4 spaces
set noexpandtab      " tabs are tabs
set tabstop=4        " tab = 4 spaces
set softtabstop=4    " backspace through spaces

call plug#begin()
Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
Plug 'jiangmiao/auto-pairs'
Plug 'airblade/vim-gitgutter'
Plug 'reedes/vim-pencil'
Plug 'chriskempson/base16-vim'
Plug 'godlygeek/tabular'
Plug 'tpope/vim-fugitive'
Plug 'leafgarland/typescript-vim'
Plug 'ervandew/supertab'
Plug 'rust-lang/rust.vim'
Plug 'yuttie/comfortable-motion.vim'
Plug 'plasticboy/vim-markdown'
Plug 'kristijanhusak/vim-carbon-now-sh'
Plug 'zchee/deoplete-jedi'
Plug 'zah/nim.vim'
call plug#end()

" indentation
augroup indents
	autocmd!
	autocmd FileType less,css,html setlocal ts=2 sts=2 sw=2 expandtab
	autocmd FileType text,markdown setlocal expandtab
augroup END

" basic settings
set swapfile
set dir=/tmp
set number
set smartcase
syntax on
filetype plugin indent on
set laststatus=2
set noshowmode
set hlsearch
set incsearch
set ignorecase
set scrolloff=12
set rtp+=~/.fzf
set timeout timeoutlen=3000 ttimeoutlen=100
set undodir=~/.vim/undodir
set nowrap
set cursorline
set conceallevel=2 

" colorscheme
colorscheme agila

" keybindings
let mapleader=' '
nnoremap <leader>n :nohlsearch<cr>
nnoremap <leader>b :Buffers<cr>
nnoremap <leader>o :only<cr>
nnoremap <leader>t :call GetTabber()<cr>
nnoremap H H:exec 'norm! '. &scrolloff . 'k'<cr>
nnoremap L L:exec 'norm! '. &scrolloff . 'j'<cr>
vnoremap <F5> :CarbonNowSh<CR>

" statusline
let g:currentmode={
    \ 'n'  : 'NORMAL ',
    \ 'no' : 'N·Operator Pending ',
    \ 'v'  : 'VISUAL ',
    \ 'V'  : 'V·Line ',
    \ '' : 'V·Block',
    \ 's'  : 'Select ',
    \ 'S'  : 'S·Line ',
    \ '' : 'S·Block',
    \ 'i'  : 'INSERT ',
    \ 'R'  : 'REPLACE ',
    \ 'Rv' : 'V·Replace ',
    \ 'c'  : 'Command ',
    \ 'cv' : 'Vim Ex ',
    \ 'ce' : 'Ex ',
    \ 'r'  : 'Prompt ',
    \ 'rm' : 'MORE ',
    \ 'r?' : 'CONFIRM ',
    \ '!'  : 'SHELL ',
    \ 't'  : 'TERMINAL '}

set statusline=
set statusline+=%#TabLineSel#
set statusline+=\ %{g:currentmode[mode()]}
set statusline+=%#TODO#
set statusline+=%{StatuslineGit()}
set statusline+=%#TabLineFill#
set statusline+=\ %f\ 
set statusline+=%m
set statusline+=%#TabLineFill#
set statusline+=%=
set statusline+=%#TODO#
set statusline+=\ %l\  
set statusline+=%#TabLineSel#
set statusline+=\ %y\ 
set statusline+=%#TabLine#

" for git branch in statusline, from nerdypepper
function! GitBranch()
	return system("git rev-parse --abbrev-ref HEAD 2>/dev/null | tr -d '\n'")
endfunction


" bunch of functions
function! S_gitgutter()  " formatted git hunk summary for statusline
	if exists('b:gitgutter')
		let l:summary = b:gitgutter.summary
		if l:summary[0] != 0 || l:summary[1] != 0 || l:summary[2] != 0
			return ' +'.l:summary[0].' ~'.l:summary[1].' -'.l:summary[2].' '
		endif
	endif
	return ''
endfunction

function! StatuslineGit()
	let l:branchname = GitBranch()
	return strlen(l:branchname) > 0?'  '.l:branchname.' ':''
endfunction


function! GetTabber()  " a lil function that integrates well with Tabular.vim
	let c = nr2char(getchar())
	:execute 'Tabularize /' . c
endfunction"

" git gutter settings
let g:gitgutter_override_sign_column_highlight = 0
let g:gitgutter_sign_added                     = '+'
let g:gitgutter_sign_modified                  = '±'
let g:gitgutter_sign_removed                   = '-'
let g:gitgutter_sign_removed_first_line        = '^'
let g:gitgutter_sign_modified_removed          = '#'
highlight clear SignColumn
highlight GitGutterAdd ctermfg=red
highlight GitGutterChange ctermfg=red
highlight GitGutterDelete ctermfg=red
highlight GitGutterChangeDelete ctermfg=red

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

nmap <silent> H :let g:help_in_tabs = !g:help_in_tabs<CR

" only apply to .txt files
augroup HelpInTabs
    autocmd!
    autocmd BufEnter  *.txt   call HelpInNewTab()
augroup END

" only apply to help files
function! HelpInNewTab ()
    if &buftype == 'help' && g:help_in_tabs
        "Convert the help window to a tab...
        execute "normal \<C-W>T"
    endif
endfunction

" color overrides
highlight LineNr ctermbg=none guibg=none
highlight Comment cterm=italic
hi TabLine ctermbg=black
hi TabLineFill ctermbg=black
hi TabLineSel ctermbg=magenta
hi CursorLine ctermbg=none 
hi CursorLineNr ctermbg=none

" vim-markdown 
let g:vim_markdown_no_default_key_mappings=1
let g:vim_markdown_toml_frontmatter=1
let g:vim_markdown_yaml_fromtmatter=1
let g:vim_markdown_folding_disabled=1

" deoplete-jedi
let g:python_host_prog = '/home/icyphox/.pynvim2/bin/python'
let g:python3_host_prog = '/home/icyphox/.pynvim3/bin/python'