syntax on  " syntax highlighting
filetype plugin indent on  " enable filetype dependent features

set noswapfile  " disable swap file

set number  " show line numbers
set cursorline  " highlight line of cursor
set conceallevel=2  " hide syntac elements, i.e. the quotations in json

set hlsearch  " highlight all search results
set ignorecase  " search case insensitive
set incsearch  " incremental search

set tabstop=4  " show tabs as 4 spaces
set shiftwidth=4  " indent by 4 spaces with <, > keys
set expandtab  " indent by 4 spaces with tab
set colorcolumn=80,100,120  " color column

"let mapleader = "."  " change leader key

set clipboard^=unnamed,unnamedplus  " yank to clipboard

set go+=a  " auto copy visual selection

call plug#begin()
Plug 'vim-airline/vim-airline'  " colored status line at bottom
Plug 'morhetz/gruvbox'  " theme
Plug 'nathanaelkane/vim-indent-guides'  " indentation lines
Plug 'djoshea/vim-autoread'  " watch for file changes

" ** features **
Plug 'preservim/nerdcommenter'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
nnoremap <C-f> :Files<Cr>
nnoremap <C-g> :Rg<Cr>

" ** syntax **
Plug 'https://github.com/elzr/vim-json.git'
Plug 'stephpy/vim-yaml'
Plug 'lervag/vimtex'
Plug 'ibab/vim-snakemake'
Plug 'gabrielelana/vim-markdown'
Plug 'airblade/vim-gitgutter'
Plug 'manabuishii/vim-cwl'
Plug 'pdurbin/vim-tsv'

Plug 'MunifTanjim/nui.nvim'
Plug 'VonHeikemen/fine-cmdline.nvim'

Plug 'townk/vim-autoclose'  " auto close brackets, parenthesis, ..
call plug#end()

let g:vim_markdown_folding_disabled = 1

colorscheme gruvbox
let g:gruvbox_contrast_dark = 'hard'
set background=dark


let g:indent_guides_enable_on_vim_startup = 1
let g:indent_guides_start_level = 2
let g:indent_guides_guide_size = 1


" yaml spacing
autocmd FileType yml,yaml setlocal ts=2 sts=2 sw=2 expandtab

" folding
:setlocal foldmethod=syntax " use language syntax for folding
set foldlevelstart=99 " do not fold on open

" json autocmds
augroup json_autocmd
  autocmd!
  autocmd FileType json set autoindent
  autocmd FileType json set formatoptions=tcq2l
  autocmd FileType json set textwidth=78 shiftwidth=2
  autocmd FileType json set softtabstop=2 tabstop=8
  autocmd FileType json set expandtab
  autocmd FileType json set foldmethod=syntax
augroup END


if !exists('g:airline_symbols')
let g:airline_symbols = {}
endif

" Vim Powerline configuration (see :help airline-customization)
" unicode symbols
let g:airline_left_sep = '»'
let g:airline_left_sep = '▶'
let g:airline_right_sep = '«'
let g:airline_right_sep = '◀'
let g:airline_symbols.colnr = ' ㏇:'
let g:airline_symbols.colnr = ' ℅:'
let g:airline_symbols.crypt = '🔒'
let g:airline_symbols.linenr = '☰'
let g:airline_symbols.linenr = ' ␊:'
let g:airline_symbols.linenr = ' ␤:'
let g:airline_symbols.linenr = '¶'
let g:airline_symbols.maxlinenr = ''
let g:airline_symbols.maxlinenr = '㏑'
let g:airline_symbols.branch = '⎇'
let g:airline_symbols.paste = 'ρ'
let g:airline_symbols.paste = 'Þ'
let g:airline_symbols.paste = '∥'
let g:airline_symbols.spell = 'Ꞩ'
let g:airline_symbols.notexists = 'Ɇ'
let g:airline_symbols.notexists = '∄'
let g:airline_symbols.whitespace = 'Ξ'

" powerline symbols
let g:airline_left_sep = ''
let g:airline_left_alt_sep = ''
let g:airline_right_sep = ''
let g:airline_right_alt_sep = ''
let g:airline_symbols.branch = ''
let g:airline_symbols.colnr = ' ℅:'
let g:airline_symbols.readonly = ''
let g:airline_symbols.linenr = ' :'
let g:airline_symbols.maxlinenr = '☰ '
let g:airline_symbols.dirty='⚡'

let g:airline_section_z = airline#section#create(['linenr', 'maxlinenr', 'colnr'])
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#formatter = 'jsformatter'