runtime! archlinux.vim
set nocompatible

" encodings
scriptencoding utf-8
set fileencoding=utf-8
set encoding=utf-8
set fileformats=unix

" Avoid infinite screen recursion
unlet $SSH_CLIENT

" Set sane defaults, if not using neovim already
if !has('nvim')
  let $MYVIMRC="$XDG_CONFIG_HOME/vim/vimrc"
  " Check if the backup/swap dir exists
  if !isdirectory($XDG_CACHE_HOME . '/vim')
    silent!mkdir -p "$XDG_CACHE_HOME/vim"
  endif

  set directory=$XDG_CACHE_HOME/vim,/tmp
  set backupdir=$XDG_CACHE_HOME/vim,/tmp
  if has('viminfo')
    set viminfo=%,'10,<10,/200,:200,h,n$XDG_CACHE_HOME/vim/.viminfo
  endif
  set runtimepath=$XDG_CONFIG_HOME/vim,$XDG_CONFIG_HOME/vim/after,$VIM,$VIMRUNTIME,$VIM/vimfiles,$VIM/vimfiles/after,$VIM/vimfiles/plugin

  " Fix shift-tab
  exe 'set t_kB=' . nr2char(27) . '[Z'

  " Everything apparently breaks (in Neovim) if setting background = dark
  "set bg=dark

  syntax enable
  filetype plugin indent on
endif

" behaviour
set history=1024
set wildmenu

set ruler
set cursorline

set showmatch
set hlsearch
set incsearch

set backspace=indent,eol,start
set laststatus=2

set number
set splitright
set conceallevel=2
set scrolloff=0
set sidescrolloff=1
set display+=truncate

"" Format options see :help fo-<CHARACTER> for help on each of the options
" Autowrap text and comments using `textwidth`, autoinsert comment-leader, and
" other leaders when wrapping, also with `gq`.
set formatoptions=tcro/q
" Recognize numbered lists
set formatoptions+=n
" Autowrap lines.
set formatoptions+=bl1
" Remove comment leader when joining lines
set formatoptions+=j
"
set formatoptions+=p

set nowrap
set textwidth=80
set colorcolumn=81

" tabs
set expandtab
set tabstop=2
set softtabstop=2
set shiftwidth=2
set smartindent
set smarttab

" Sets terminal title to current filename
set title

" Search up in every parent dir for a tags file.
if has('path_extra') && (',' . &g:tags . ',') =~# ',\./tags,'
  setglobal tags-=./tags tags-=./tags; tags^=./tags;
endif

" Allow color schemes to do bright colors without forcing bold.
if &t_Co == 8 && $TERM !~# '^Eterm'
  set t_Co=16
endif

" Enable mouse support
set mouse=a

" Set clipboard to system one
set clipboard+=unnamedplus

" netrw settings
let g:netrw_banner=0
let g:netrw_browse_split=1
let g:netrw_altv=4

" thematics

set listchars=tab:\ \ >,extends:…,precedes:…
set list

" Enable termguicolors
if exists('+termguicolors')
  let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
  let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
  set termguicolors
endif

" Remove trailing cancer on write
autocmd BufWritePre * %s/\s\+$//e

let mapleader=","
" Move around in insert mode with Alt+{hjkl}
inoremap    <A-h> <Left>
inoremap    <A-l> <Right>
inoremap    <A-k> <Up>
inoremap    <A-j> <Down>

nnoremap <A-h> <C-w>h
nnoremap <A-j> <C-w>j
nnoremap <A-k> <C-w>k
nnoremap <A-l> <C-w>l

" Go to end/start of line, like in the shell
imap <C-E> <ESC>A
imap <C-A> <ESC>I

" Search for VISUAL-highlighted text (very brittle)
vmap     // y/\V<C-R>"<CR>

" Wrap selection in parenthesis, hard or soft brackets
vnoremap <leader>( <ESC>`>a)<ESC>`<i(<ESC>
vnoremap <leader>[ <ESC>`>a]<ESC>`<i[<ESC>
vnoremap <leader>{ <ESC>`>a}<ESC>`<i{<ESC>

""" X11 specific stuff, that is also only relevant with vim
"" Preserve clipboard only relevant if !has('nvim')
"autocmd VimLeave * call system("xsel -ib", getreg())
"autocmd VimSuspend * call system("xsel -ib", getreg())

"" Turn on capslock LED when in insert mode.
"augroup CapsLockLED
"  autocmd!
"  autocmd InsertEnter * :silent !xset  led named 'Caps Lock'
"  autocmd InsertLeave * :silent !xset -led named 'Caps Lock'
"  autocmd VimLeave    * :silent !xset -led named 'Caps Lock'
"augroup END

"" Plugin settings
" junegunn/fzf.vim bindings
"noremap <C-f> :Files<cr>
"noremap <C-b> :Buffers<cr>

" lervag/vimtex
let g:tex_flavor='latex'
let g:vimtex_view_method='zathura'
let g:vimtex_quickfix_mode=0
let g:tex_conceal='abdmg'
let g:vimtex_parser_bib_backend = 'bibtex'
let g:vimtex_compiler_method = 'latexrun'
let g:vimtex_compiler_latexrun = {
            \ 'backend' : 'jobs',
            \ 'background' : 1,
            \ 'build_dir' : 'latex.out',
            \ 'options' : [
            \   '-verbose-cmds',
            \   '--latex-args="-synctex=1"',
            \ ],
            \}

let g:latex_view_general_viewer = 'zathura'
let g:vimtex_view_method = 'zathura'

" tpope/vim-markdown specific settings
"let g:markdown_fenced_languages = ['c', 'css', 'sh', 'vim', 'futhark']


"if has("autocmd")
"  augroup templates
"    autocmd BufNewFile *.h 0r $XDG_CONFIG_HOME/vim/templates/skeleton.h
"    autocmd BufNewFile *.h "s/<++DEF++>/" toupper(expand('%:t:r') . "_" . expand('%:e')))
"  augroup END
"endif

" Change cursor to block
"   1 -> solid underscore
"   2 -> block
"   4 -> underline
"   5 -> blinking vertical bar
"   6 -> solid vertical bar
"   7 -> snowman
"autocmd VimEnter    * silent execute "!echo -e '\e[2 q'"
"autocmd VimResume   * silent execute "!echo -e '\e[2 q'"
"autocmd VimLeave    * silent execute "!echo -e '\e[6 q'"
"autocmd InsertEnter * silent execute "!echo -ne '\e[6 q'"
"autocmd InsertLeave * silent execute "!echo -ne '\e[2 q'"

" "Start Insert-mode" line
let &t_SI = "\e[6 q"
" "Start Replace-mode" underscore
let &t_SR = "\e[4 q"
" "End Insert-mode" block
let &t_EI = "\e[2 q"

"autocmd VimResume * silent execute "!echo -e '\e[2 q'"

"" Undercurls/spelling
let &t_Cs = "\e[4:3m"
let &t_Ce = "\e[4:0m"

if !has('nvim')
  highlight SpellBad   guisp=red    gui=undercurl guifg=NONE guibg=NONE ctermfg=NONE ctermbg=NONE term=underline cterm=undercurl ctermul=red
  highlight SpellCap   guisp=yellow gui=undercurl guifg=NONE guibg=NONE ctermfg=NONE ctermbg=NONE term=underline cterm=undercurl ctermul=yellow
endif

if has('nvim')
  call plug#begin()
  Plug 'neovim/nvim-lspconfig'

  " deps for haskell-tools.nvim
  Plug 'nvim-lua/plenary.nvim'
  Plug 'mfussenegger/nvim-dap'
  Plug 'phoityne/haskell-debug-adapter'
  Plug 'nvim-telescope/telescope.nvim', { 'tag': '0.1.1' }
  Plug 'nvim-treesitter/nvim-treesitter'

  " For Haskell LSP (hls)
  Plug 'mrcjkb/haskell-tools.nvim'

  Plug 'neovimhaskell/haskell-vim'

  " Fuzzy Wuzzy Finding
  Plug 'junegunn/fzf.vim'

  " VimTex
  Plug 'lervag/vimtex'

  Plug 'tpope/vim-markdown'

  "" Colorschemes
  "Plug 'bluz71/vim-moonfly-colors', { 'as': 'moonfly' }
  "Plug 'pineapplegiant/spaceduck', { 'branch': 'main' }
  Plug 'ghifarit53/tokyonight-vim'
  "Plug 'folke/tokyonight.nvim'
  Plug 'oxfist/night-owl.nvim'

  Plug '0undefined/futhark.vim'

  call plug#end()
endif

colorscheme night-owl