"vim:ft=vim
filetype plugin indent on
filetype on
syntax on

let g:mapleader=" "
let g:just_installed = 0
set backspace=indent,eol,start

function! InstallPlug()

  if !filereadable(expand("~/.vim/autoload/plug.vim"))
    " try to install plug using curl and wget
    " If installation succeeds, we should source vim plug.

    if !executable('git')
      echom 'git not found.'
      finish
    endif
    
    if executable('curl')
      let result = system('curl -fLo ~/.vim/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim')
      if v:shell_error == 0
        let g:just_installed = 1
        return
      endif
    endif

    echom 'curl failed, trying wget. ' . result

    if executable('wget') && executable('mkdir')
      let result = system('mkdir -p ~/.vim/autoload && wget -O ~/.vim/autoload/plug.vim https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim')
      if v:shell_error == 0
        let g:just_installed = 1
        return
      endif
    endif

    echom 'wget failed too. ' . result
    finish

  endif
endfu

call InstallPlug()

if g:just_installed == 1
  source ~/.vim/autoload/plug.vim
endif

call plug#begin()

  Plug 'catppuccin/vim'
  Plug 'junegunn/seoul256.vim'

  Plug 'Townk/vim-autoclose'
  Plug 'tpope/vim-fugitive'

  Plug 'vim-airline/vim-airline'
  Plug 'vim-airline/vim-airline-themes'

  Plug 'junegunn/goyo.vim'
  Plug 'junegunn/limelight.vim'
call plug#end()


" options
set nu
set rnu

set mouse+=a
set linebreak
set shiftwidth=2
set tabstop=2
set softtabstop=2
set expandtab
set smarttab
set shiftround
set autoindent
set textwidth=80
set colorcolumn=80
set nowrap

set undodir=~/.vim/undofiles
set undofile nohlsearch incsearch
set scrolloff=7
set wildmode=longest,list,full
set wildmenu


autocmd FileType tex,text set nosmarttab autoindent
autocmd Filetype python set textwidth=0 formatprg=autopep8 shiftwidth=4 tabstop=4 softtabstop=4
autocmd FileType c,cpp,slang set nosmarttab autoindent
autocmd Filetype markdown set nosmarttab shiftwidth=4 tabstop=4  softtabstop=4 autoindent

autocmd BufReadPost *
      \ if line("'\"") >= 1 && line("'\"") <= line("$") && &ft !~# 'commit'
      \ |   exe "normal! g`\""
      \ | endif

" Remaps
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

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

inoremap <A-a> ā
inoremap <A-e> ē
inoremap <A-i> ī
inoremap <A-o> ō
inoremap <A-u> ū

nnoremap <F12> :w<BAR>:!texbld run compile<CR>
nnoremap <F5> :w<BAR>:!./test.sh<CR>

vnoremap J :m '>+1<CR>gv=gv
vnoremap K :m '<-2<CR>gv=gv

nnoremap J mzJ`z
nnoremap <C-d> <C-d>zz
nnoremap <C-u> <C-u>zz
nnoremap n nzzzv
nnoremap N Nzzzv

xnoremap <leader>p _dP
vnoremap <leader>y +y
nnoremap <leader>y +y
nnoremap <leader>Y +Y
nnoremap <leader>x :!chmod +x %:p<CR>
nnoremap <leader>X :!chmod -x %<CR>
nnoremap <leader>e :! %:p<CR>

nnoremap <leader>1 1gt
nnoremap <leader>2 2gt
nnoremap <leader>3 3gt
nnoremap <leader>4 4gt
nnoremap <leader>5 5gt
nnoremap <leader>6 6gt
nnoremap <leader>7 7gt
nnoremap <leader>8 8gt
nnoremap <leader>9 9gt

nnoremap <leader>b :wprev<CR>
nnoremap <leader>n :wnext<CR>

"netrw
nnoremap <C-n> :20Lexplore<CR>
nnoremap <leader>pv :Explore<CR>

" tmux
let s:tmux=$TMUX
if s:tmux != ''
  nnoremap <C-f> <cmd>!tmuxs<CR>
endif

" disable ex mode
nnoremap Q <nop>

" Plugin options must go at the bottom of the file.
" install plugins

if g:just_installed == 1
  echom 'Installing Plugins...'
  PlugInstall
endif

if has('gui')
  set guifont=JetBrainsMono\ Nerd\ Font\ 13
endif

if has('termguicolors')
  set termguicolors
  set background=dark
  colorscheme catppuccin_mocha
  let g:airline_theme = "catppuccin_mocha"
  let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
  let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
else
  echo 'no termguicolors, falling back to seoul256'
  let g:seoul256_background = 234
  let g:airline_theme = "seoul256"
  set background=dark
  colorscheme seoul256
endif

autocmd! User GoyoEnter Limelight
autocmd! User GoyoLeave Limelight!

let g:airline#extensions#tabline#enabled = 1

nnoremap <leader>z :Goyo <CR>
nnoremap <leader>gs :Git <CR>