" Run the following git commands to get the plugins

" Plugin manager
if empty(glob('~/.vim/autoload/plug.vim'))
  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

" Pre-plugin calls
let g:ale_completion_enabled = 1
let g:ale_hover_to_floating_preview = 1
let g:ale_floating_preview = 1

" Plugins
call plug#begin('~/.vim/plugged')
Plug 'preservim/nerdtree'
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-commentary'
Plug 'itchyny/lightline.vim'
Plug 'dikiaap/minimalist'
Plug 'morhetz/gruvbox'
Plug 'dense-analysis/ale'
Plug 'maximbaz/lightline-ale'
Plug 'preservim/tagbar'
Plug 'vim-php/tagbar-phpctags.vim'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'arcticicestudio/nord-vim'
Plug 'airblade/vim-gitgutter'
call plug#end()
		
filetype plugin indent on
syntax on

set autoindent
set backspace=2
set background=dark
set completeopt=menu,popup
set cursorcolumn
set cursorline
set expandtab
set history=1000
set hlsearch
set incsearch
set nowrap
set number
set numberwidth=4
set pastetoggle=<F12> "Press <F12> when paste-alot
set preserveindent
set ruler
set shiftround
set shiftwidth=2
set shortmess=atI
set showcmd
set showmatch
set smartindent
set smarttab
set splitright
set tabstop=2
set whichwrap+=<,>,[,],h,l 
set undofile
set undodir=~/.vim/undo


" Gruvbox
let g:gruvbox_italic = 1
let g:gruvbox_bold = 1
let g:gruvbox_transaprent_bg = 1
colorscheme gruvbox

" ALE completion
let g:ale_completion_autoimport = 1
set omnifunc=ale#completion#OmniFunc

" Ale keymaps
nnoremap <C-a>g :ALEGoToDefinition -tab<CR>
nnoremap <C-a>G :ALEGoToDefinition<CR>
nnoremap <C-a>h :ALEHover<CR>
nnoremap <C-a>f :ALEFindReferences<CR>

" ALE navigation
nmap <silent> <C-k> <Plug>(ale_previous_wrap)
nmap <silent> <C-j> <Plug>(ale_next_wrap)

" Lightline
set laststatus=2 
set noshowmode
let g:lightline = {
  \ 'colorscheme': 'gruvbox',
  \ 'active': {
  \   'left': [
  \     [ 'mode', 'paste' ],
  \     [ 'gitbranch', 'readonly', 'filename', 'tagbar', 'modified' ]
  \   ],
  \   'right': [ 
  \     [ 'linter_checking', 'linter_errors', 'linter_warnings', 'linter_infos', 'linter_ok' ], 
  \     [ 'percent', 'lineinfo', 'offset' ], 
  \     [ 'fileformat', 'fileencoding', 'filetype' ]
  \   ]
  \ },
  \ 'component': {
  \   'tagbar': '%{tagbar#currenttag("%s", "", "f", "nearest-stl")}',
  \ },
  \ 'component_function': {
  \   'gitbranch': 'FugitiveHead',
  \   'offset': 'FileOffset'
  \ },
  \ 'component_expand': {
  \   'linter_checking': 'lightline#ale#checking',
  \   'linter_infos': 'lightline#ale#infos',
  \   'linter_warnings': 'lightline#ale#warnings',
  \   'linter_errors': 'lightline#ale#errors',
  \   'linter_ok': 'lightline#ale#ok'
  \ },
  \ 'component_type': {
  \   'linter_checking': 'right',
  \   'linter_infos': 'right',
  \   'linter_warnings': 'warning',
  \   'linter_errors': 'error',
  \   'linter_ok': 'right'
  \ }
\ }

function! FileOffset()
    return line2byte(line('.')) + col('.') - 1
endfunction

" NERDtree
" Start NERDTree if no file was specified
autocmd StdinReadPre * let s:std_in=1
" autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | call NERDTreeToggleCustom() | endif
" Close NERDTree on opening file
let NERDTreeQuitOnOpen=1
" Show hidden files
let NERDTreeShowHidden=1

function! NERDTreeToggleCustom()

  " If NERDTree is open in the current buffer
  if (exists("t:NERDTreeBufName") && bufwinnr(t:NERDTreeBufName) != -1)
    exe ":NERDTreeClose"
  elseif bufname('%') != ""
    exe ":NERDTreeFind"
  else
    exe ":NERDTreeCWD"
  endif

endfunction

" Toggle NERDTree on <space>-o
map <Space>o :call NERDTreeToggleCustom()<CR>

" Tagbar
let g:tagbar_autoclose = 1
let g:tagbar_autofocus = 1
let g:tagbar_map_showproto = ''

" Toggle transparent background
let g:is_transparent = 0
function! Toggle_transparent()
  echo g:is_transparent
    if g:is_transparent == 0
        hi Normal guibg=NONE ctermbg=NONE
        let g:is_transparent = 1
    else
        set background=dark
        let g:is_transparent = 0
    endif
endfunction
nnoremap <Space>T :call Toggle_transparent()<CR>

" Location list
autocmd BufEnter * if !exists("b:location_list") | let b:location_list = 0 | endif
let b:location_list = 0
function! Toggle_location_list()
  if b:location_list == 0
    lopen
    let b:location_list = 1
  else
    lclose
    let b:location_list = 0
  endif
endfunction
nnoremap <Space>l :call Toggle_location_list()<CR>

" Location list
autocmd BufEnter * if !exists("b:quick_list") | let b:quick_list = 0 | endif
let b:quick_list = 0
function! Toggle_quick_list()
  if b:quick_list == 0
    copen
    let b:quick_list = 1
  else
    cclose
    let b:quick_list = 0
  endif
endfunction
nnoremap <Space>c :call Toggle_quick_list()<CR>

" Git blame
autocmd BufEnter * if !exists("b:git_blame") | let b:git_blame = 0 | endif
function! Toggle_git_blame()
  if b:git_blame == 0
    :Git blame
    let b:git_blame = 1
  else
    let winIndex = 1
    let winCnt = winnr('$')
    while winIndex <= winCnt
      if expand('%:e') == "fugitiveblame"
        :close
      else
        :wincmd w
      endif
      let winIndex += 1
    endwhile
    let b:git_blame = 0
  endif

endfunction
nnoremap <Space>b :call Toggle_git_blame()<CR>

" Key mappings
map <C-l>n :cnext<CR>
map <C-l>p :cprevious<CR>
nnoremap <C-l>c :cclose<CR>

nmap <Space>t :TagbarToggle<CR>
nmap <Space>f :Files<CR>
nmap <Space>r :Rg<CR>

nmap <Space>n :GitGutterNextHunk<CR>
nmap <Space>p :GitGutterPrevHunk<CR>

" Setting title to enable better tmux titling
if exists('$TMUX')
  autocmd BufReadPost,FileReadPost,BufNewFile,BufEnter * call system("tmux rename-window 'vim | " . expand("%:t") . "'")
  autocmd VimLeave * call system("tmux setw automatic-rename")
endif

function! PrettyXML()
  set filetype=xml
  silent %!xmllint --format --encode UTF-8 --recover - 2>/dev/null
endfunction

function! PrettyJSON()
  set filetype=json
  silent %!python3 -m json.tool
endfunction

command! PrettyXml call PrettyXML()
command! PrettyJson call PrettyJSON()

nmap <Space>j call PrettyXml()
nmap <Space>x call PrettyJSON()