" Tab size
set expandtab
set tabstop=4
" Line Numbering
set number
" Show command bar
set showcmd
" Cursor line Highlight (commented until I think it could be useful
" set cursorline
" Autocomplete menu
set wildmenu
"lazy redraw; <i>fast</i> macros
set lazyredraw
" highlight matching brackets; i.e. (bruh)
set showmatch
" search stuff
set incsearch
set hlsearch

"Code folding + keybind
set foldenable
set foldlevelstart=10
nnoremap <space> za

" fold based on indentation if filetype python
autocmd Filetype python set foldmethod=indent

" Navigate visually
nnoremap j gj
nnoremap k gk

" Keybindings
"
" New Tab
nnoremap <Space>tn :tabe<CR>
" Navigate Tabs
nnoremap <Space>tl :tabn<CR> 
nnoremap <Space>th :tabp<CR> 
" Close Tabs
nnoremap <Space>tc :q<CR>
"
" New window
nnoremap <Space>wn :vertical new<CR>
" Navigate windows
nnoremap <Space>wk <C-w>k
nnoremap <Space>wj <C-w>j
nnoremap <Space>wh <C-w>h
nnoremap <Space>wl <C-w>l
"Close window
nnoremap <Space>wc :q<CR>
"
" Open Defx
nnoremap <Space>ff :Defx `escape(expand('%:p:h'), ' :')` -search=`expand('%:p')`<CR>
"
" keycombo to remove highlight as soon as pressed enter
nnoremap <silent> <Space><Return> :nohlsearch<CR>
"
" Enforce muscle memory from emacs
nnoremap <M-x> :

" Make splits *better*
cabbrev split vsplit
cabbrev h vertical help
cabbrev hsplit split
cabbrev sta vertical sta
cabbrev help vertical help
cabbrev new vertical new
" A more heavyweight solution for ^W^]
function! ToggleSplit (dir)
  let currFname = bufname ("%")
  let old = winnr ()
  " Window navigation to ensure the correct window is 'last'.
  if (a:dir == "u")
    wincmd k
    let back="j"
  elseif (a:dir == "d")
    wincmd j
    let back="k"
  elseif (a:dir == "l")
    wincmd h
    let back="l"
  elseif (a:dir == "r")
    wincmd l
    let back="h"
  endif
  if (winnr () == old)
    echo "Ouch"
    return
  endif
  exec "wincmd " . back
  quit
  if (back == "j" || back == "k")
    let orientation = "vsplit"
  else
    let orientation = "split"
  endif
  if (back == "j" || back == "l")
    let dir = "below"
  else
    let dir = "above"
  endif
  exec dir . " " . orientation " " . currFname
endfunction
noremap ^W^] ^W^]:silent call ToggleSplit ("d")<CR>

" Plugins & dein
if &compatible
		set nocompatible
endif
" add the dein installation dir into runtimepath
set runtimepath+=~/.local/share/dein/repos/github.com/Shougo/dein.vim

if dein#load_state('~/.local/share/dein')
		call dein#begin('~/.local/share/dein')

		" Plugins
        "
        " Dein itself
		call dein#add('~/.local/share/dein/repos/github.com/Shougo/dein.vim')
        " Some of Shougo's 'Dark' plugins (Generally work best with neovim)
		call dein#add('Shougo/deoplete.nvim')
		call dein#add('Shougo/denite.nvim')
		call dein#add('Shougo/defx.nvim')
		call dein#add('Shougo/deol.nvim')
		call dein#add('Shougo/deorise.nvim')
        " Statusbar
		call dein#add('vim-airline/vim-airline')
		call dein#add('vim-airline/vim-airline-themes')
        " Themes
		call dein#add('cocopon/iceberg.vim')
        " Utilities
        call dein#add('tpope/vim-fugitive')
        call dein#add('w0rp/ale')
        " Syntax
        call dein#add('lervag/vimtex')
        call dein#add('dag/vim-fish')

		" Plugins specific to Vim8 (For compatibility reasons)
		if !has('nvim')
				call dein#add('roxma/nvim-yarp')
				call dein#add('roxma/vim-hug-neovim-rpc')
		endif

		call dein#end()
		call dein#save_state()
endif

" Defx
"
" Icons
" Directory icons
"call defx#custom#column('icon', {
"						\ 'directory': '',
"						\ 'opened_icon': '',
"						\ 'root_icon': ''
"						\ })
"" Filename length
"call defx#custom#column('filename', {
"						\ 'min_width': 40,
"						\ 'max_width': 40
"						\ })
"" Readonly icon (& others?)
"call defx#custom#column('mark', {
"						\ 'readonly_icon': '',
"						\ 'selected_icon': ''
"						\ })
""
"" Keybindings
""
"" Navigation
"nnoremap 
""
"" Functions
autocmd FileType defx call s:defx_my_settings()
function! s:defx_my_settings() abort
        " Define mappings
        nnoremap <silent><buffer><expr> <CR>
        \ defx#do_action('open')
        nnoremap <silent><buffer><expr> c
        \ defx#do_action('copy')
        nnoremap <silent><buffer><expr> m
        \ defx#do_action('move')
        nnoremap <silent><buffer><expr> p
        \ defx#do_action('paste')
        nnoremap <silent><buffer><expr> l
        \ defx#do_action('open')
        nnoremap <silent><buffer><expr> E
        \ defx#do_action('open', 'vsplit')
        nnoremap <silent><buffer><expr> P
        \ defx#do_action('preview')
        nnoremap <silent><buffer><expr> o
        \ defx#do_action('open_tree', 'toggle')
        nnoremap <silent><buffer><expr> K
        \ defx#do_action('new_directory')
        nnoremap <silent><buffer><expr> N
        \ defx#do_action('new_file')
        nnoremap <silent><buffer><expr> M
        \ defx#do_action('new_multiple_files')
        nnoremap <silent><buffer><expr> C
        \ defx#do_action('toggle_columns',
        \                'mark:indent:icon:filename:type:size:time')
        nnoremap <silent><buffer><expr> S
        \ defx#do_action('toggle_sort', 'time')
        nnoremap <silent><buffer><expr> d
        \ defx#do_action('remove')
        nnoremap <silent><buffer><expr> r
        \ defx#do_action('rename')
        nnoremap <silent><buffer><expr> !
        \ defx#do_action('execute_command')
        nnoremap <silent><buffer><expr> x
        \ defx#do_action('execute_system')
        nnoremap <silent><buffer><expr> yy
        \ defx#do_action('yank_path')
        nnoremap <silent><buffer><expr> .
        \ defx#do_action('toggle_ignored_files')
        nnoremap <silent><buffer><expr> ;
        \ defx#do_action('repeat')
        nnoremap <silent><buffer><expr> h
        \ defx#do_action('cd', ['..'])
        nnoremap <silent><buffer><expr> ~
        \ defx#do_action('cd')
        nnoremap <silent><buffer><expr> q
        \ defx#do_action('quit')
        nnoremap <silent><buffer><expr> <Space>
        \ defx#do_action('toggle_select') . 'j'
        nnoremap <silent><buffer><expr> *
        \ defx#do_action('toggle_select_all')
        nnoremap <silent><buffer><expr> j
        \ line('.') == line('$') ? 'gg' : 'j'
        nnoremap <silent><buffer><expr> k
        \ line('.') == 1 ? 'G' : 'k'
        nnoremap <silent><buffer><expr> <C-l>
        \ defx#do_action('redraw')
        nnoremap <silent><buffer><expr> <C-g>
        \ defx#do_action('print')
        nnoremap <silent><buffer><expr> cd
        \ defx#do_action('change_vim_cwd')
endfunction

" Denite
"
" TODO: make some kind of helm-like keybinding (or something) for Denite that
" shows the available keybindings after starting a keychain.
" Keybindings
nnoremap <silent><Space>bi :Denite buffer<CR>
nnoremap <silent><Space>. :DeniteBufferDir file<CR>
nnoremap <silent><Space>fr :Denite file/old<CR>
nnoremap <silent><Space>ht :Denite colorscheme<CR>

" Theme
colorscheme iceberg
"
" Airline
let g:airline_theme = 'iceberg'
let g:airline_powerline_fonts = 1

syntax on
filetype plugin indent on