let mapleader=" "

set mouse=
syntax on

set noerrorbells
set number
set relativenumber
set incsearch
set ignorecase
set ruler
set noswapfile
set splitright
set splitbelow
set tabstop=4 softtabstop=4
set shiftwidth=4
set expandtab
set smartindent
set noswapfile
set nobackup
set undodir=~/.vim/undodir
set undofile
set nohlsearch


call plug#begin('~/.config/nvim/autoload/plugged')
Plug 'scrooloose/nerdcommenter'
Plug 'preservim/nerdtree'

Plug 'morhetz/gruvbox' " themes
Plug 'sonph/onehalf'

" Plug 'ThePrimeagen/vim-be-good', {'do': './install.sh'} " vim training game

" Fuzzy file search
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } } " fuzzy file finder
Plug 'junegunn/fzf.vim'
Plug 'airblade/vim-rooter' " addon for fzf, for git projects

" Plug 'ycm-core/YouCompleteMe' " YEET!
Plug 'neoclide/coc.nvim', {'branch': 'release'}

" Python syntax highlight
Plug 'numirias/semshi', {'do': ':UpdateRemotePlugins'}

" Coc Snippets
Plug 'sirver/ultisnips'
Plug 'honza/vim-snippets'

" Show git modifications to file
Plug 'vim-scripts/vim-gitgutter'

Plug 'jremmen/vim-ripgrep' " Rg uses word under cursor

" run current file
Plug 'sbdchd/vim-run'

" HTTP
Plug 'nicwest/vim-http'

call plug#end()

" disable spacebar (don't move forward)
nnoremap <SPACE> <Nop>

" quickly move through panes
nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>

" resize panes
nnoremap <silent> <leader>+ :vertical resize +5<CR>
nnoremap <silent> <leader>- :vertical resize -5<CR>

nnoremap <silent> <leader>ff :GFiles<CR>

vnoremap <leader>p "_dP

" noremap <leader> gf :GitFiles

colorscheme gruvbox
"colorscheme onehalfdark let g:airline_theme='onehalfdark'
set background=dark

:set inccommand=nosplit " highlight substitude


" run current file plugin
let g:run_cmd_python = ['python3']
let g:run_split = 'right'


"fun! SetupYCM()
    "nnoremap <buffer> <silent> <leader>gd :YcmCompleter GoTo<CR>
    "nnoremap <buffer> <silent> <leader>gr :YcmCompleter GoToReferences<CR>
    "nnoremap <buffer> <silent> <leader>rr :YcmCompleter RefactorRename<CR>
    "let g:UltiSnipsExpandTrigger="<c-space>"
"endfun




" CoC

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

fun! SetupCoC()
    inoremap <buffer> <silent><expr> <TAB>
          \ pumvisible() ? "\<C-n>" :
          \ <SID>check_back_space() ? "\<TAB>" :
          \ coc#refresh()
    inoremap <buffer> <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
    inoremap <buffer> <silent><expr> <C-space> coc#refresh()

    nmap <buffer> <leader>gd <Plug>(coc-definition)
    nmap <buffer> <leader>gr <Plug>(coc-references)
    nmap <buffer> <leader>gy <Plug>(coc-type-definition)
    nmap <buffer> <leader>gi <Plug>(coc-implementation)
    nmap <buffer> <leader>rn <Plug>(coc-rename)
endfun

let g:coc_global_extensions = [
    \ 'coc-snippets',
    \ 'coc-pairs',
    \ 'coc-prettier',
    \ 'coc-json',
    \ 'coc-python',
    \ 'coc-html',
    \ 'coc-css',
    \ 'coc-xml',
    \ 'coc-yaml',
    \ ]

autocmd BufNewFile,BufRead *.pde set syntax=java
autocmd BufNewFile,BufRead *.pde set filetype=java
autocmd BufNewFile,BufRead *.ino set syntax=arduino
autocmd BufNewFile,BufRead *.ino set filetype=arduino
" autocmd FileType java,typescript,go :call SetupYCM()
" autocmd FileType cpp,h,c :call SetupCoC()

" run python script
" autocmd BufNewFile,BufRead *.py nnoremap <C-S-R> :vs <CR> :term python % <CR>

nnoremap <leader>rr :Run <CR>

call SetupCoC()



" CoC snippet tab completion
inoremap <silent><expr> <TAB>
      \ pumvisible() ? coc#_select_confirm() :
      \ coc#expandableOrJumpable() ? "\<C-r>=coc#rpc#request('doKeymap', ['snippets-expand-jump',''])\<CR>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()

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

let g:coc_snippet_next = '<tab>'
"let g:UltiSnipsExpandTrigger="<tab>"
"let g:UltiSnipsJumpForwardTrigger="<tab>>"
"let g:UltiSnipsJumpBackwardTrigger="<s-tab>"




" Shebang line
function! Hashbang(portable, permission, RemExt)
let shells = { 
        \    'awk': "awk",
        \     'sh': "bash",
        \     'hs': "runhaskell",
        \     'jl': "julia",
        \    'lua': "lua",
        \    'mak': "make",
        \     'js': "node",
        \      'm': "octave",
        \     'pl': "perl", 
        \    'php': "php",
        \     'py': "python",
        \      'r': "Rscript",
        \     'rb': "ruby",
        \  'scala': "scala",
        \    'tcl': "tclsh",
        \     'tk': "wish"
        \    }

let extension = expand("%:e")

if has_key(shells,extension)
	let fileshell = shells[extension]

	if a:portable
		let line =  "#! /usr/bin/env " . fileshell 
	else 
		let line = "#! " . system("which " . fileshell)
	endif

	0put = line

	if a:permission
		:autocmd BufWritePost * :autocmd VimLeave * :!chmod u+x %
	endif


	if a:RemExt
		:autocmd BufWritePost * :autocmd VimLeave * :!mv % "%:p:r"
	endif

endif

endfunction

:autocmd BufNewFile *.* :call Hashbang(1,1,0)




" HTTP
let g:vim_http_split_vertically = 1