set nocompatible
syntax on
let VIMHOME = split(&rtp, ",")[0]
let $VIMHOME = VIMHOME

" vim-plug
call plug#begin(VIMHOME."/plugs")
" Plug 'Valloric/YouCompleteMe'
Plug 'nixprime/cpsm', {'do': './install.sh'}
Plug 'kien/ctrlp.vim'
Plug 'prabirshrestha/asyncomplete.vim'
Plug 'prabirshrestha/vim-lsp'
Plug 'prabirshrestha/asyncomplete-lsp.vim'
Plug 'ervandew/supertab'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'ConradIrwin/vim-bracketed-paste'
Plug 'NLKNguyen/papercolor-theme'
Plug 'Shougo/deoplete.nvim'
Plug 'christoomey/vim-tmux-navigator'
Plug 'cohama/lexima.vim', {'do': 'sed -i \"s/has(.nvim.) && //\" autoload/lexima/insmode.vim'}
Plug 'editorconfig/editorconfig-vim'
Plug 'gmarik/Vundle.vim'
Plug 'hdima/python-syntax'
Plug 'jeetsukumaran/vim-buffergator'
Plug 'kristijanhusak/vim-hybrid-material'
Plug 'lambdalisue/fern.vim'
Plug 'lervag/vimtex'
Plug 'neovimhaskell/haskell-vim'
Plug 'nvie/vim-flake8'
Plug 'octol/vim-cpp-enhanced-highlight'
Plug 'pangloss/vim-javascript'
Plug 'posva/vim-vue'
Plug 'rhysd/vim-grammarous'
Plug 'roxma/nvim-yarp'
Plug 'roxma/vim-hug-neovim-rpc'
Plug 'tmux-plugins/vim-tmux'
Plug 'tmux-plugins/vim-tmux-focus-events'
Plug 'tomtom/tcomment_vim'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'vim-scripts/indentpython.vim'
Plug 'vimwiki/vimwiki'
call plug#end()

let g:ycm_global_ycm_extra_conf = '~/.vim/.ycm_extra_conf.py'

let mapleader=","


:command W w
:command Q q
:command WQ wq
:command Wq wq
nnoremap j gj
nnoremap k gk
nnoremap <C-U> <C-O>
nnoremap <C-E> <C-U>

" don't store .swp files in the file's own directory
" neither for .ext~ files
set directory=/home/user/.vim/tmp/
set backupdir=/home/user/.vim/tmp/

" VimWiki
let g:vimwiki_key_mappings = { 'table_mappings': 0  }
let g:vimwiki_markdown_link_ext = 1
autocmd FileType vimwiki setlocal shiftwidth=2 softtabstop=2 expandtab

 " Autoindent for filetype
filetype plugin indent on
set autoindent

set encoding=utf-8
set scrolloff=5
set sidescrolloff=10

set completeopt-=preview

set backspace=indent,eol,start

" Splits
set splitbelow
set splitright

" CtrlP
let g:ctrlp_match_func = {'match': 'cpsm#CtrlPMatch'}
nnoremap <silent> <C-o> :CtrlPBuffer<CR>
let g:cpsm_unicode=1
let g:ctrlp_user_command = ['.git/', 'git --git-dir=%s/.git ls-files -oc --exclude-standard']

" Unsaved buffer switching
set hidden

" Line numbering
set number
set numberwidth=4
:set mouse=a

" Allow xterm-key usage inside tmux
execute "set <xUp>=\e[1;*A"
execute "set <xDown>=\e[1;*B"
execute "set <xRight>=\e[1;*C"
execute "set <xLeft>=\e[1;*D"

" Persistent undo
set undodir=~/.vim/undodir/
set undofile
set undolevels=1000
set undoreload=10000

" Searching
set ignorecase
set smartcase
set incsearch
set hlsearch
nnoremap <leader><space> :noh<CR>

" Text wrapping
set lbr

" Vimtex

let g:tex_flavor = 'latex'

" Tabs
if has("autocmd")
    filetype plugin indent on
    autocmd FileType make set tabstop=8 shiftwidth=8 softtabstop=0 noexpandtab
endif

" Terminal colors
set t_Co=256
set background=dark
let g:airline_theme="solarized"
let g:airline_solarized_bg="dark"

set tabstop=4
set shiftwidth=4
set softtabstop=4
set expandtab

" Commenting
nnoremap <silent> <leader>c :TComment<CR>
nnoremap <silent> <leader>C :TCommentBlock<CR>
vnoremap <silent> <leader>c :TCommentInline<CR>
vnoremap <silent> <leader>C :TCommentBlock<CR>

" Tab completion
set wildmode=longest,list
set wildmenu

set guifont=Ubuntu\ Mono\ derivative\ Powerline\ 13
let g:airline_powerline_fonts = 1
set laststatus=2
set ttimeoutlen=50

" Color scheme
syntax enable
let python_highlight_all=1
let g:solarized_termcolors=256
colorscheme hybrid_material

" Remap u to y
vnoremap u y

" Save clipboard on quit
autocmd VimLeave * call system("xsel -ib", getreg('+'))

" Automatically remove trailing spaces
let blacklist = ['vimwiki']
autocmd BufWritePre * if index(blacklist, &ft) < 0 | :%s/\s\+$//e

" Use deoplete.
autocmd FileType python let g:deoplete#enable_at_startup = 1

" VPW: set filetype for .py3
autocmd BufRead,BufNewFile *.py3 set filetype=python

" Vue indent
autocmd FileType vue setlocal shiftwidth=2 softtabstop=2 expandtab
autocmd FileType javascript setlocal shiftwidth=2 softtabstop=2 expandtab
autocmd FileType vue syntax sync fromstart

" Disable shift+k for manual lookup
map <S-k> <Nop>

" Prolog: set filetype for .pl
autocmd BufRead,BufNewFile *.pl set filetype=prolog

" Disable modelines, fix CVE
set modelines=0
set nomodeline

" Coc extensions
set updatetime=300
set shortmess+=c
if has("nvim-0.5.0") || has("patch-8.1.1564")
    " Recently vim can merge signcolumn and number column into one
    set signcolumn=number
else
    set signcolumn=yes
endif
let g:coc_global_extensions = []
command! -nargs=1 Ext :call add(g:coc_global_extensions, <args>)
let g:coc_filetype_map = {'tex': 'latex', 'md': 'markdown'}
nmap <silent> <leader>p <Plug>(coc-diagnostic-prev)
nmap <silent> <leader>n <Plug>(coc-diagnostic-next)
nmap <silent> <leader>f <Plug>(coc-codeaction-line)
vmap <silent> <leader>f <Plug>(coc-codeaction-line)
nmap <buffer> gd        <plug>(lsp-definition)

nnoremap <Leader>p       :CocList yank<CR>
vnoremap <Leader>p       :CocList yank<CR>

Ext 'coc-snippets'
Ext 'coc-emoji'
Ext 'coc-highlight'
Ext 'coc-emmet'
" Ext 'coc-omnisharp'
Ext 'coc-vimtex'
Ext 'coc-json'
Ext 'coc-java'
Ext 'coc-pyright'
Ext 'coc-css'
Ext 'coc-html'
Ext 'coc-cmake'
Ext 'coc-clangd'
Ext 'coc-docker'
Ext 'coc-fzf-preview'
Ext 'coc-ltex'
Ext 'coc-vetur'
Ext 'coc-yank'
" Ext 'coc-sh'

" FZF Preview
nnoremap <silent> <Leader>/     :<C-u>CocCommand fzf-preview.Lines --add-fzf-arg=--no-sort --add-fzf-arg=--query="'"<CR>
nnoremap <silent> <C-f>         :<C-u>CocCommand fzf-preview.ProjectGrepRecall<CR>
nnoremap <silent> <Leader>d     :<C-u>CocCommand fzf-preview.CocCurrentDiagnostics<CR>
nnoremap <silent> <Leader>d     :<C-u>CocCommand fzf-preview.CocCurrentDiagnostics<CR>

delc Ext

" Language Server

if executable('pyls')
    " pip install python-language-server
    au User lsp_setup call lsp#register_server({
        \ 'name': 'pyls',
        \ 'cmd': {server_info->['pyls']},
        \ 'allowlist': ['python'],
        \ })
endif

function! s:on_lsp_buffer_enabled() abort
    setlocal omnifunc=lsp#complete
    setlocal signcolumn=yes
    if exists('+tagfunc') | setlocal tagfunc=lsp#tagfunc | endif
    nmap <buffer> gs <plug>(lsp-document-symbol-search)
    nmap <buffer> gS <plug>(lsp-workspace-symbol-search)
    nmap <buffer> gr <plug>(lsp-references)
    nmap <buffer> gi <plug>(lsp-implementation)
    nmap <buffer> gt <plug>(lsp-type-definition)
    nmap <buffer> <leader>rn <plug>(lsp-rename)
    nmap <buffer> [g <plug>(lsp-previous-diagnostic)
    nmap <buffer> ]g <plug>(lsp-next-diagnostic)
    nmap <buffer> K <plug>(lsp-hover)
    nnoremap <buffer> <expr><c-f> lsp#scroll(+4)
    nnoremap <buffer> <expr><c-d> lsp#scroll(-4)

    let g:lsp_format_sync_timeout = 1000
    autocmd! BufWritePre *.rs,*.go call execute('LspDocumentFormatSync')

    " refer to doc to add more commands
endfunction

augroup lsp_install
    au!
    " call s:on_lsp_buffer_enabled only for languages that has the server registered.
    autocmd User lsp_buffer_enabled call s:on_lsp_buffer_enabled()
augroup END



" Tab for completion
let g:SuperTabContextDefaultCompletionType = "<c-n>"
let g:SuperTabDefaultCompletionType = "<c-n>"

" Go to Defintion CoC
nmap <buffer> gd :call CocActionAsync('jumpDefinition')<CR>