init.vim

" SoulNinja#7777 neovim config.
" everything in this config is from the internet 

" Plugins
" auto-install vim-plug

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

" Better Syntax Support
Plug 'sheerun/vim-polyglot'

" File Explorer
Plug 'scrooloose/NERDTree', { 'on': 'NERDTreeToggle' }

Plug 'nvim-treesitter/nvim-treesitter'
" Auto pairs for '(' '[' '{'
Plug 'jiangmiao/auto-pairs'

" gruvbox theme
Plug 'sainnhe/gruvbox-material'
Plug 'folke/lsp-colors.nvim'

" Intellisense
Plug 'neoclide/coc.nvim', { 'branch': 'release' }    

" Files and folder management 
Plug 'junegunn/fzf.vim'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'preservim/nerdtree'

" startscreen
Plug 'mhinz/vim-startify'

call plug#end()

" general
let g:mapleader = "\<Space>"            " Setting leader key
syntax enable                           " Enables syntax highlighing
set hidden                              " Required to keep multiple buffers open multiple buffers
" set nowrap                              " Display long lines as just one line
set encoding=utf-8                      " The encoding displayed
set pumheight=10                        " Makes popup menu smaller
set fileencoding=utf-8                  " The encoding written to file
set ruler              			        " Show the cursor position all the time
set iskeyword+=-                      	" treat dash separated words as a word text object"
set mouse=a                             " Enable your mouse
set splitbelow                          " Horizontal splits will automatically be below
set splitright                          " Vertical splits will automatically be to the right
set t_Co=256                            " Support 256 colors
set conceallevel=0                      " So that I can see `` in markdown files
set tabstop=4                           " Insert 4 spaces for a tab
set shiftwidth=4                        " Change the number of space characters inserted for indentation
set smarttab                            " Makes tabbing smarter will realize you have 2 vs 4
set expandtab                           " Converts tabs to spaces
set smartindent                         " Makes indenting smart
set autoindent                          " Good auto indent
set laststatus=0                        " Always display the status line
set number                              " Line numbers
set relativenumber                      " Line numbers are relative to current line
set cursorline                          " Enable highlighting of the current line
set nohlsearch                          " Searching will highlight as u type
set noincsearch
set scrolloff=8
set signcolumn=yes                      " Extra column in the left to show errors etc
set updatetime=30                       " Faster Completion
set background=dark                     " tell vim what the background color looks like
set showtabline=2                       " Always show tabs
set noshowmode                          " We don't need to see things like -- INSERT -- anymore
set nobackup                            " This is recommended by coc
set nowritebackup                       " This is recommended by coc
set timeoutlen=500                      " By default timeoutlen is 1000 ms
set clipboard=unnamedplus               " Copy paste between vim and everything else
set autochdir                           " Your working directory will always be the same as your working directory
set backspace=indent,eol,start
highlight ColorColumn ctermbg=0 guibg=lightgrey

highlight Normal guibg=none             
au! BufWritePost $MYVIMRC source %      " auto source when writing to init.vm alternatively you can run :source $MYVIMRC

" You can't stop me
cmap w!! w !sudo tee %

" theme
let g:gruvbox_italic = 1
let g:gruvbox_material_background='medium'
colorscheme gruvbox-material

" keymaps
" I hate escape more than anything else
inoremap jk <Esc>
inoremap kj <Esc>
"
" Use alt + hjkl to resize windows
nnoremap <M-j>    :resize -2<CR>
nnoremap <M-k>    :resize +2<CR>
nnoremap <M-h>    :vertical resize -2<CR>
nnoremap <M-l>    :vertical resize +2<CR>

" Easy CAPS
inoremap <c-u> <ESC>viwUi
nnoremap <c-u> viwU<Esc>

" Alternate way to save
nnoremap <C-s> :w<CR>
" Alternate way to quit
nnoremap <C-Q> :q!<CR>
" Use control-c instead of escape
nnoremap <C-c> <Esc>

" Better window navigation
nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

" nerdtree
nnoremap <M-b> :NERDTreeToggle<CR>


" Coc settings
" <TAB>: completion.
inoremap <expr><TAB> pumvisible() ? "\<C-n>" : "\<TAB>"

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

inoremap <silent><expr> <c-space> coc#refresh()

" Use `[g` and `]g` to navigate diagnostics
" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

" Use K to show documentation in preview window.
nnoremap <silent> K :call <SID>show_documentation()<CR>

" show_documentation function
function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  elseif (coc#rpc#ready())
    call CocActionAsync('doHover')
  else
    execute '!' . &keywordprg . " " . expand('<cword>')
  endif
endfunction

set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
nnoremap <silent><nowait> <space>f  :<C-u>CocCommand prettier.formatFile<cr>

" FZF
nnoremap <C-p> :Files<Cr>

lua <<EOF
require'nvim-treesitter.configs'.setup {
  ensure_installed = "maintained", -- one of "all", "maintained" (parsers with maintainers), or a list of languages
  highlight = {
    enable = true,
  },
  indent = {
    enable = true
  }
}
EOF