set cursorline
set wildmenu
set incsearch
set hlsearch
set nu rnu
set tabstop=4
set softtabstop=4
set shiftwidth=4
set autoindent
set textwidth=80
set noshowmode
set expandtab
syntax on
set nocompatible
let mapleader=" "
filetype off

set path+=/usr/include/nodejs/src/

call plug#begin()

Plug 'preservim/nerdtree'
Plug 'w0rp/ale'
Plug 'tiagofumo/vim-nerdtree-syntax-highlight'
Plug 'ryanoasis/vim-devicons'
Plug 'airblade/vim-gitgutter'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'tpope/vim-commentary'
Plug 'HerringtonDarkholme/yats.vim'
Plug 'mhinz/vim-startify'
Plug 'sbdchd/neoformat'
Plug 'Raimondi/delimitMate'
Plug 'itchyny/lightline.vim'
Plug 'roxma/nvim-yarp'
Plug 'ncm2/ncm2'
Plug 'ncm2/ncm2-pyclang'
Plug 'frazrepo/vim-rainbow'
Plug 'nvim-tree/nvim-web-devicons'
Plug 'romgrk/barbar.nvim'
Plug 'f-person/git-blame.nvim'
Plug 'numToStr/FTerm.nvim'

" colorschemes
Plug 'joshdick/onedark.vim'
Plug 'nanotech/jellybeans.vim'
Plug 'morhetz/gruvbox'
Plug 'zeis/vim-kolor'
Plug 'sainnhe/edge'

call plug#end()

filetype plugin on
filetype indent on

" Opens NERDTree when a directory is opened
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | exe 'cd '.argv()[0] | endif

" Exit NERDTree if all files have closed
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

" Check if NERDTree is open or active
function! IsNERDTreeOpen()
	return exists("t:NERDTreeBufName") && (bufwinnr(t:NERDTreeBufName) != -1)
endfunction

" Call NERDTreeFind if NERDTree is active, current window contains a modifiable
" file and we're not in vimdiff
function! s:synctree()
	if &modifiable && IsNERDTreeOpen() && strlen(expand('%')) > 0 && !&diff
		nerdtreefind
		wincmd p
	endif
endfunction

function s:refresh()
    if IsNERDTreeOpen()
        exec "NERDTreeRefreshRoot"
        exec "NERDTreeRefreshRoot"
    endif
endfunction

map <silent> <F5> :call <SID>refresh()<CR>

set hidden
set updatetime=300
set signcolumn=yes

let g:NERDTreeGitStatusWithFlags = 1
let g:NERDTreeIgnore = ['^node_modules$']
" Create default mappings
let g:NERDCreateDefaultMappings = 1

" Add spaces after comment delimiters by default
let g:NERDSpaceDelims = 1

" Use compact syntax for prettified multi-line comments
let g:NERDCompactSexyComs = 1

" Align line-wise comment delimiters flush left instead of following code indentation
let g:NERDDefaultAlign = 'left'

" Set a language to use its alternate delimiters by default
let g:NERDAltDelims_java = 1

" Add your own custom formats or override the defaults
" let g:NERDCustomDelimiters = { 'c': { 'left': '/**','right': '*/' } }

" Allow commenting and inverting empty lines (useful when commenting a region)
let g:NERDCommentEmptyLines = 1

" Enable trimming of trailing whitespace when uncommenting
let g:NERDTrimTrailingWhitespace = 1

" Enable NERDCommenterToggle to check all selected lines is commented or not 
let g:NERDToggleCheckAllLines = 1

let g:ctrlp_user_command = ['.git/', 'git --git-dir=%s/.git ls-files -oc --exclude-standard']

let g:ale_linters_explicit = 1
let g:ale_linters = { 'cpp': ['g++'], 'c': ['gcc'] }
let g:ale_cpp_cc_options = "-std=c++17"

function! s:check_back_space() abort
	let col = col('.') - 1
	return !col || getline('.')[col - 1] =~# '\s'
endfunction

" Autoformat with clang-format
function! FormatOnSave()
	let l:formatdiff = 1
	pyf ~/.local/bin/clang-format.py
endfunction
autocmd BufWritePre *.h,*.hpp,*.cc,*.cpp,*.cxx,*.c++,*.c call FormatOnSave()

autocmd BufWritePre,InsertLeave *.js Neoformat

au BufNewFile,BufRead *.ejs set filetype=html

au BufEnter * call ncm2#enable_for_buffer()

set completeopt=noinsert,menuone,noselect

let g:ncm2_pyclang#library_path='/usr/lib/x86_64-linux-gnu/libclang-14.so'

inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
nnoremap <silent> K :call <SID>show_documentation()<CR>
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
noremap <silent> <expr> j (v:count == 0 ? 'gj' : 'j')
noremap <silent> <expr> k (v:count == 0 ? 'gk' : 'k')
map <C-n> :NERDTreeToggle<CR>
inoremap jk <ESC>
inoremap JK <ESC>
nnoremap <C-h> <C-w><C-h>
nnoremap <C-j> <C-w><C-j>
nnoremap <C-k> <C-w><C-k>
nnoremap <C-l> <C-w><C-l>
nnoremap ,<space> :nohlsearch<CR>

function s:save_and_source()
    exec "w | source %"
endfunction

nnoremap <F10> :call <SID>save_and_source()<CR>
inoremap <F10> <ESC>:call <SID>save_and_source()<CR>

if (has("nvim"))
	"For Neovim 0.1.3 and 0.1.4 < https://github.com/neovim/neovim/pull/2198 >
	let $NVIM_TUI_ENABLE_TRUE_COLOR=1
endif
  "For Neovim > 0.1.5 and Vim > patch 7.4.1799 < https://github.com/vim/vim/commit/61be73bb0f965a895bfb064ea3e55476ac175162 >
  "Based on Vim patch 7.4.1770 (`guicolors` option) < https://github.com/vim/vim/commit/8a633e3427b47286869aa4b96f2bfc1fe65b25cd >
  " < https://github.com/neovim/neovim/wiki/Following-HEAD#20160511 >
if (has("termguicolors"))
	set termguicolors
endif

let g:onedark_hide_endofbuffer = 1
let g:onedark_termcolors = 256
let g:onedark_terminal_italics = 1

au BufNewFile,BufRead *.c,*.cc,*.h,*.vim call rainbow#load()
" au FileType c,cpp,vim call rainbow#load()

" Python tab fix
function! s:fixtab()
    set expandtab
    set tabstop=4
    retab
endfunction

command! FixTab :call s:fixtab()

" Move to previous/next
nnoremap <silent>    <A-,> <Cmd>BufferPrevious<CR>
nnoremap <silent>    <A-.> <Cmd>BufferNext<CR>

" Re-order to previous/next
nnoremap <silent>    <A-<> <Cmd>BufferMovePrevious<CR>
nnoremap <silent>    <A->> <Cmd>BufferMoveNext<CR>

" Goto buffer in position...
nnoremap <silent>    <A-1> <Cmd>BufferGoto 1<CR>
nnoremap <silent>    <A-2> <Cmd>BufferGoto 2<CR>
nnoremap <silent>    <A-3> <Cmd>BufferGoto 3<CR>
nnoremap <silent>    <A-4> <Cmd>BufferGoto 4<CR>
nnoremap <silent>    <A-5> <Cmd>BufferGoto 5<CR>
nnoremap <silent>    <A-6> <Cmd>BufferGoto 6<CR>
nnoremap <silent>    <A-7> <Cmd>BufferGoto 7<CR>
nnoremap <silent>    <A-8> <Cmd>BufferGoto 8<CR>
nnoremap <silent>    <A-9> <Cmd>BufferGoto 9<CR>
nnoremap <silent>    <A-0> <Cmd>BufferLast<CR>

" Pin/unpin buffer
nnoremap <silent>    <A-p> <Cmd>BufferPin<CR>

" Close buffer
nnoremap <silent>    <A-c> <Cmd>BufferClose<CR>
" Restore buffer
nnoremap <silent>    <A-s-c> <Cmd>BufferRestore<CR>

" Wipeout buffer
"                          :BufferWipeout
" Close commands
"                          :BufferCloseAllButCurrent
"                          :BufferCloseAllButVisible
"                          :BufferCloseAllButPinned
"                          :BufferCloseAllButCurrentOrPinned
"                          :BufferCloseBuffersLeft
"                          :BufferCloseBuffersRight

" Magic buffer-picking mode
nnoremap <silent> <C-p>    <Cmd>BufferPick<CR>
nnoremap <silent> <C-p>    <Cmd>BufferPickDelete<CR>

" Sort automatically by...
nnoremap <silent> <Space>bb <Cmd>BufferOrderByBufferNumber<CR>
nnoremap <silent> <Space>bd <Cmd>BufferOrderByDirectory<CR>
nnoremap <silent> <Space>bl <Cmd>BufferOrderByLanguage<CR>
nnoremap <silent> <Space>bw <Cmd>BufferOrderByWindowNumber<CR>

nnoremap <A-i> <CMD>lua require("FTerm").toggle()<CR>
tnoremap <A-i> <C-\><C-n><CMD>lua require("FTerm").toggle()<CR>

syntax on
" colorscheme onedark
" colorscheme jellybeans
colorscheme gruvbox
" colorscheme kolor
" colorscheme edge

let g:lightline = {
            \ 'colorscheme': g:colors_name,
            \ }