" Settings -------------------------------------------------------------------|

" general settings (use :help for these)
set confirm
set wildmenu
set autochdir
set laststatus=2

" visuals
set statusline=[%{&syntax}]\ %f
set statusline+=%r
set statusline+=%m
set statusline+=\ %{FugitiveStatusline()}
"set statusline+=\ %{tagbar#currenttag('←\ %s\ ','','f')}
set statusline+=\ %=
set statusline+=\ %{FileSize()}
set statusline+=\ %4l:%-3c
set statusline+=\ %4L
set statusline+=\ %3p%%

set ruler
set showcmd

set numberwidth=4
"set relativenumber
"set number

set colorcolumn=81
set conceallevel=1

set belloff=all

" general movement and ergonomics
set linebreak
set showbreak=
set virtualedit=onemore
set backspace=indent,eol,start
set textwidth=80
set comments=s0:/*!
set comments+=mb:*
set comments+=ex:*/
set comments+=s1:/*
set comments+=mb:*
set comments+=ex:*/
set comments+=:///
set comments+=://!
set comments+=://
set comments+=b:#
set comments+=b:%
set formatoptions=tcrqnolj
set nojoinspaces
let mapleader="\<Tab>"

" snappier responses
set ttimeoutlen=0
set lazyredraw

" searching options (highlight, smart casing)
set showmatch
set hlsearch
set smartcase
set ignorecase
set incsearch

" tabulation (3 spaces, auto-indent when my muscle memory demands it)
set autoindent
set expandtab
set smarttab
set shiftwidth=3
set softtabstop=-1

" limits, what/when/how to save and encodings
set undolevels=10000
set tabpagemax=1000
set viminfo='100,/50,<50,s10,h,%
set viminfo+=n~/.vim/viminfo
set encoding=utf-8
set fileencodings=ucs_bom,utf_8,sjis
set fileformats=unix,dos,mac
set hidden
set updatetime=500

" bufexplorer
let g:bufExplorerDisableDefaultKeyMapping=1

" gutentags
let g:gutentags_project_root=['.git', 'Makefile']

" TwitVim
let twitvim_browser_cmd='palemoon'

" vim-markdown
let g:vim_markdown_folding_disabled=1

" rainbow
let g:rainbow_active=0

" netrw
let g:netrw_banner=0
let g:netrw_liststyle=3
let g:netrw_browse_split=4
let g:netrw_altv=1
let g:netrw_winsize=20

" buftabline
let g:buftabline_indicators=1
let g:buftabline_numbers=2

" TagBar
let g:tagbar_vertical=7
let g:tagbar_compact=1
let g:tagbar_show_linenumbers=1
let g:tagbar_iconchars=['»', '▼']
let g:tagbar_autoshowtag=1

" abolish
let g:abolish_no_mappings=1 " we set out own later

" zig.vim
let g:zig_fmt_autosave=0

" gui and terminal specific settings
if has('gui_running')
   set guicursor+=i:hor10-Cursor
   set guicursor+=a:blinkon0
   set guioptions=agit

   set lines=48
   set columns=80
else
   " use 256-color terminal capabilities
   set t_Co=256
   let base16colorspace=256
   set termguicolors
endif

" OS-specific settings
if has('gui_running')
   if has('gui_win32')
      set guifont=PxPlus_IBM_EGA8:h12:cDEFAULT:qDRAFT
   elseif has('gui_gtk')
      set guifont=IBM\ Plex\ Mono\ weight=453\ 10
      set linespace=-2
   elseif has('gui_macvim')
      set guifont=IBMPlexMono-Text:h14
      set linespace=-3
   endif
endif

if has('win32')
   " windows sucks
   let $PATH='G:\msys64\usr\bin;'.$PATH

   set shellslash

   " netrw
   let key='G:/msys64/home/marrub/.ssh/id_rsa'

   let g:netrw_cygwin=0
   let g:netrw_ignorenetrc=1
   let g:netrw_list_cmd="ssh -i " . key . " USEPORT HOSTNAME ls -Fa "
   let g:netrw_ssh_cmd="ssh -i " . key
   let g:netrw_scp_cmd="scp -q -i " . key
   let g:netrw_sftp_cmd="sftp -i " . key
   let g:netrw_silent=1

   " gutentags
   let g:gutentags_cache_dir=$VIM.'/vimtags/'

   " swap files
   set directory=$VIM/vimtemp//
else
   " gutentags
   let g:gutentags_cache_dir=$HOME.'/.vim/tags/'

   " searching
   set grepprg=rg\ --vimgrep\ -n

   " swap files
   set directory=$HOME/.vim/temp//
endif

" set up colors and file types
colorscheme base16-material-palenight

" good color schemes:
" badwolf
" base16-ashes
" base16-atelier-cave
" base16-atelier-forest
" base16-atelier-heath
" base16-atelier-sulphurpool
" base16-circus
" base16-dracula
" base16-material-palenight
" base16-monokai
" base16-onedark
" base16-porple
" base16-unikitty-dark
" base16-zenburn

syntax on

filetype on
filetype plugin on
filetype indent on

" Highlighting ---------------------------------------------------------------|

" Settings for C++ to make it more consistent with other highlighting groups,
" and better for recent standards and specs.
let g:cpp_class_scope_highlight=1
let g:cpp_concepts_highlight=1

" Get rid of STL highlighting because those are NOT keywords
hi link cppSTLbool         NONE
hi link cppSTLcast         NONE
hi link cppSTLconstant     NONE
hi link cppSTLenum         NONE
hi link cppSTLexception    NONE
hi link cppSTLfunction     NONE
hi link cppSTLfunctional   NONE
hi link cppSTLios          NONE
hi link cppSTLiterator     NONE
hi link cppSTLiterator_tag NONE
hi link cppSTLnamespace    NONE
hi link cppSTLtype         NONE

" Functions ------------------------------------------------------------------|

" Automatic headers
fu! <SID>FillLine()
ruby<<
   tw  = VIM::evaluate("&tw").to_i
   tw  = 80 if tw == 0
   lin = $curbuf.line
   rep = tw - lin.length - 3
   if rep > 0
      $curbuf.line += " " + "-" * rep + "|"
   end
.
endfu

" File size
fu! FileSize()
   let fs=line2byte(line('$')+1)-1
   if fs < 0
      return ""
   else
      return fs
   endif
endfu

" Strip whitespace on buffer write
fu! s:StripWhite()
ruby<<
   for ln in 1..$curbuf.length
      rs = $curbuf[ln].rstrip
      if $curbuf[ln] != rs
         $curbuf[ln] = rs
      end
   end
.
endfu

" Close empty buffers
fu! s:CloseEmptyBuffers()
   let bufs = filter(range(1, bufnr('$')), 'buflisted(v:val) && empty(bufname(v:val)) && bufwinnr(v:val) < 0 && !getbufvar(v:val, "&modified")')
   if !empty(bufs)
      execute 'bdelete' join(bufs, ' ')
   endif
endfu

" Commands -------------------------------------------------------------------|

" Find
com -nargs=+ -complete=file -bar Gr silent! grep! "<Args>" | cwindow

" Write (sudo)
com W execute 'w !sudo tee > /dev/null %' | edit!

" Autocommands ---------------------------------------------------------------|

" Strip whitespace
au FileType c,cpp,cs,java,php,ruby,rust,python,go,zscript,markdown au BufWritePre <buffer> call s:StripWhite()

" Enable rainbow braces
au FileType c,cpp,cs,java,php,ruby,rust,python,go,zscript,html,scheme,racket,lisp,json au BufEnter <buffer> RainbowToggleOn

" markdown sucks
au FileType markdown set comments+=fb:- comments-=b:- indentexpr=

" ASM options
au BufNewFile,BufRead *.s,*.inc setlocal shiftwidth=8 filetype=asm_ca65

" close empty buffers automatically
au BufEnter * call s:CloseEmptyBuffers()

" .rkt → Racket
au BufRead,BufNewFile *.rkt set syntax=racket

" .edf → conf
au BufRead,BufNewFile *.edf set syntax=conf

" disable most ftplugins
au BufReadPre * let b:did_ftplugin=1
au BufReadPre *.rkt unlet b:did_ftplugin

" enable tagbar
"au VimEnter * nested :TagbarOpen

" rust.vim sets Cargo.toml to use filetype `cfg` even though it shouldn't, to
" fix this we simply do the same thing before it has a chance to
au BufRead,BufNewFile Cargo.toml if &filetype == "" | set filetype=toml | endif

" vertical split on enter
"au VimEnter * vsplit

" suppress readonly warnings
au BufEnter * set noreadonly

" Mapping --------------------------------------------------------------------|

" Alignment mode
nm ga <Plug>(EasyAlign)
xm ga <Plug>(EasyAlign)

nn <Leader>e :call <SID>FillLine()<CR>

" TagBar
nm <F5> :TagbarToggle<CR>

" Copyright header
nn <Leader>C :0put=strftime('// Copyright © %Y ')<CR>A

" Align text
nn <Leader>c :center<CR>
nn <Leader>R :right<CR>

" Faux asterism
nn <Leader>A o<Esc>A*<CR>* *<Esc><Up>2:center<CR>

" Substitute word across file
nn <Leader>s :%s/\<<C-R><C-W>\>//g<Left><Left>

" Fuck off, highlighting
nn <silent> <Leader><Space> :nohlsearch\|:echo<CR>

" Block comments
nn <Leader>r O//<CR>//<CR>//<Up><End> <Esc>A

" Preview tag
nn <Leader>t :ptag <C-R><C-W><CR>

" Fold mark
nn <Leader>f zfa{

" Spellcheck toggle
nn <Leader>q :setlocal spell!<CR>

" Sort
nn <Leader>S vip:sort<CR>
vn <Leader>S :sort<CR>

" Tmux-like bindings
nn <silent> <Leader>bw :let g:netrw_chgwin = winnr()<CR>
nn <silent> <Leader>b" :new<CR>:wincmd x<CR>:wincmd j<CR>
nn <silent> <Leader>b% :vnew<CR>:wincmd x<CR>:wincmd l<CR>

" Buffer movement
nn <silent> <Leader>bn :bnext<CR>
nn <silent> <Leader>bv :bprevious<CR>
nn <silent> <Leader>be :BufExplorer<CR>
nn <silent> <Leader>bd :bprevious\|bdelete #<CR>
nn <silent> <Leader>bq :bufdo bdelete<CR>
nn <silent> <Leader>bs :new\|BufExplorer<CR>
nn <silent> <Leader>br :browse oldfiles<CR>
nm <Leader>1 <Plug>BufTabLine.Go(1)
nm <Leader>2 <Plug>BufTabLine.Go(2)
nm <Leader>3 <Plug>BufTabLine.Go(3)
nm <Leader>4 <Plug>BufTabLine.Go(4)
nm <Leader>5 <Plug>BufTabLine.Go(5)
nm <Leader>6 <Plug>BufTabLine.Go(6)
nm <Leader>7 <Plug>BufTabLine.Go(7)
nm <Leader>8 <Plug>BufTabLine.Go(8)
nm <Leader>9 <Plug>BufTabLine.Go(9)

" Copy whole file
nn <silent> <Leader>x gg"+yG``

" Mirror
vn <Leader>v c<C-O>:set revins<CR><C-R>"<Esc>:set norevins<CR>

" Fix syntax
nn <silent> <F11> :syntax sync fromstart<CR>
nn <silent> <F12> :syntax off\|syntax on\|RainbowToggleOn<CR>

" Ctrl-Arrow movement
nn <silent> <C-K> <C-W>+
nn <silent> <C-J> <C-W>-
nn <silent> <C-H> b
nn <silent> <C-L> w
nn <silent> <C-Up> <C-W>+
nn <silent> <C-Down> <C-W>-
nn <silent> <C-Left> b
nn <silent> <C-Right> w

" Better movement
nn j gj
vn j gj
nn k gk
vn k gk

nn <Del> x
vn <Del> x

nn <Up> <NOp>
vn <Up> <NOp>
nn <Down> <NOp>
vn <Down> <NOp>
nn <Left> <NOp>
vn <Left> <NOp>
nn <Right> <NOp>
vn <Right> <NOp>

nn <End> <NOp>
vn <End> <NOp>
nn <Home> <NOp>
vn <Home> <NOp>
nn <PageDown> <NOp>
vn <PageDown> <NOp>
nn <PageUp> <NOp>
vn <PageUp> <NOp>

" abolish
nm cr <Plug>(abolish-coerce-word)

" find
nn KK :Gr \b<C-r><C-w>\b<CR>
nn Kk :Gr<Space>

" quick lambda
nn <Leader>l iλ<Esc>

" auto format
nn Q gqap

" Rainbow Config -------------------------------------------------------------|

let g:rainbow_conf = {
\	'guifgs': ['#ff533d', '#ff973d', '#ffe13d', '#91ff3d', '#3dffd8', '#3daeff', '#6a3dff', '#ee3dff'],
\	'ctermfgs': ['lightblue', 'lightyellow', 'lightcyan', 'lightmagenta'],
\	'operators': '_,_',
\	'parentheses': ['start=/(/ end=/)/ fold', 'start=/\[/ end=/\]/ fold', 'start=/{/ end=/}/ fold'],
\	'separately': {
\		'*': {},
\		'haskell': {
\			'parentheses': ['start=/(/ end=/)/ fold', 'start=/\[/ end=/\]/ fold', 'start=/\v\{\ze[^-]/ end=/}/ fold'],
\		},
\		'tex': {
\			'parentheses': ['start=/(/ end=/)/', 'start=/\[/ end=/\]/'],
\		},
\		'vim': {
\			'parentheses': ['start=/(/ end=/)/', 'start=/\[/ end=/\]/', 'start=/{/ end=/}/ fold', 'start=/(/ end=/)/ containedin=vimFuncBody', 'start=/\[/ end=/\]/ containedin=vimFuncBody', 'start=/{/ end=/}/ fold containedin=vimFuncBody'],
\		},
\		'xml': {
\			'syn_name_prefix': 'xmlRainbow',
\			'parentheses': ['start=/\v\<\z([-_:a-zA-Z0-9]+)(\s+[-_:a-zA-Z0-9]+(\=("[^"]*"|'."'".'[^'."'".']*'."'".'))?)*\>/ end=#</\z1># fold'],
\		},
\		'xhtml': {
\			'parentheses': ['start=/\v\<\z([-_:a-zA-Z0-9]+)(\s+[-_:a-zA-Z0-9]+(\=("[^"]*"|'."'".'[^'."'".']*'."'".'))?)*\>/ end=#</\z1># fold'],
\		},
\		'html': {
\			'parentheses': ['start=/\v\<((script|style|area|base|br|col|embed|hr|img|input|keygen|link|menuitem|meta|param|source|track|wbr)[ >])@!\z([-_:a-zA-Z0-9]+)(\s+[-_:a-zA-Z0-9]+(\=("[^"]*"|'."'".'[^'."'".']*'."'".'|[^ '."'".'"><=`]*))?)*\>/ end=#</\z1># fold'],
\		},
\		'perl': {
\			'syn_name_prefix': 'perlBlockFoldRainbow',
\		},
\		'php': {
\			'syn_name_prefix': 'phpBlockRainbow',
\			'parentheses': ['start=/\v\<((area|base|br|col|embed|hr|img|input|keygen|link|menuitem|meta|param|source|track|wbr)[ >])@!\z([-_:a-zA-Z0-9]+)(\s+[-_:a-zA-Z0-9]+(\=("[^"]*"|'."'".'[^'."'".']*'."'".'|[^ '."'".'"><=`]*))?)*\>/ end=#</\z1># fold', 'start=/(/ end=/)/ containedin=@htmlPreproc contains=@phpClTop', 'start=/\[/ end=/\]/ containedin=@htmlPreproc contains=@phpClTop', 'start=/{/ end=/}/ containedin=@htmlPreproc contains=@phpClTop'],
\		},
\		'stylus': {
\			'parentheses': ['start=/{/ end=/}/ fold contains=@colorableGroup'],
\		},
\		'css': 0,
\		'sh': 0,
\	}
\}

" EOF