vimrc

call plug#begin('~/.vim/plugged')
" Shorthand notation; fetches https://github.com/junegunn/vim-easy-align
Plug 'junegunn/vim-easy-align'
" Multiple Plug commands can be written in a single line using | separators
"Plug 'SirVer/ultisnips' | Plug 'honza/vim-snippets'
" On-demand loading
Plug 'preservim/nerdtree'
" Vim client for TabNine https://tabnine.com/
" Plug 'codota/tabnine-vim', { 'branch': 'python3' }
" Plug 'tabnine/YouCompleteMe'
" Plug 'kaicataldo/material.vim'
Plug 'tpope/vim-fugitive'
Plug 'ryanoasis/vim-devicons'
Plug 'sheerun/vim-polyglot'
Plug 'luochen1990/rainbow'
Plug '/opt/homebrew/opt/fzf'
Plug 'junegunn/fzf.vim'
Plug 'jremmen/vim-ripgrep'    " Use RipGrep in Vim and display results in a quickfix list
Plug 'rust-lang/rust.vim'
Plug 'majutsushi/tagbar'
Plug 'preservim/nerdcommenter'
Plug 'buoto/gotests-vim'
Plug 'google/vim-colorscheme-primary'
Plug 'tomasiser/vim-code-dark'
Plug 'ayu-theme/ayu-vim'
Plug 'terryma/vim-multiple-cursors'
" Plug 'cstrahan/vim-capnp'
Plug 'wakatime/vim-wakatime'
Plug 'Yggdroot/indentLine'
Plug 'prabirshrestha/vim-lsp'
Plug 'mattn/vim-lsp-settings'
Plug 'arcticicestudio/nord-vim'
Plug 'dracula/vim', { 'as': 'dracula' }
Plug 'NLKNguyen/papercolor-theme'
" Plug 'humanoid-colors/vim-humanoid-colorscheme'
Plug 'rizzatti/dash.vim'
" Initialize plugin system
call plug#end()

" Set the leader button
let mapleader = ','

" Remap Esc to jk
inoremap jk <Esc>

" Allow vim to set a custom font or color for a word
" syntax enable
" syntax on

"if (has("termguicolors"))
"        set termguicolors
"endif
" let NERDTreeQuitOnOpen=1
" Autosave buffers before leaving them
autocmd BufLeave * silent! :wa

" Remove trailing white spaces on save
autocmd BufWritePre * :%s/\s\+$//e

" Center the screen quickly
nnoremap <space> zz

"let g:material_theme_style = 'darker'
"let g:material_terminal_italics = 1
let g:rainbow_active = 1
"colorscheme material
"syntax enable
syntax on
"set t_Co=256
"set background=dark
"colorscheme primary
"colorscheme codedark
"let ayucolor="dark"
"colorscheme ayu
if (has("gui_running"))
  " set termguicolors
  " let ayucolor="dark"
  " colorscheme ayu
  " Toggle background with <leader>bg
  " set modifiable
  " map <leader>bg :let ayucolor = (ayucolor == "dark"? "light" : "dark")\|colorscheme ayu<cr>
else
  colorscheme codedark
  " colorscheme humanoid
  " colorscheme dracula
endif

set autoindent                    " take indent for new line from previous line
set smartindent                   " enable smart indentation
set autoread                      " reload file if the file changes on the disk
set autowrite                     " write when switching buffers
set autowriteall                  " write on :quit
if system('uname -s') == "Darwin\n"
  set clipboard=unnamed "OSX
else
  set clipboard=unnamedplus "Linux
endif
"set clipboard=unnamedplus
"set colorcolumn=81                " highlight the 80th column as an indicator
set completeopt-=preview          " remove the horrendous preview window
 set completeopt+=menuone
 set completeopt+=noinsert
 set completeopt-=longest
"set cursorline                    " highlight the current line for the cursor
"hi clear CursorLine
"hi CursorLine gui=underline cterm=underline
set cursorline
hi cursorline cterm=none term=none
autocmd WinEnter * setlocal cursorline
autocmd WinLeave * setlocal nocursorline
highlight CursorLine guibg=#303000 ctermbg=234
set encoding=utf-8
set expandtab                     " expands tabs to spaces
set list                          " show trailing whitespace
set listchars=tab:\|\ ,trail:▫
set nospell                       " disable spelling
set noswapfile                    " disable swapfile usage
set nowrap
set noerrorbells                  " No bells!
set novisualbell                  " I said, no bells!
set number                        " show number ruler
set relativenumber                " show relative numbers in the ruler
set ruler
set formatoptions=tcqronj         " set vims text formatting options
set softtabstop=2
set tabstop=2
"set textwidth=80
set title                         " let vim set the terminal title
set updatetime=300                " redraw the status bar often
set wildmenu			  " command-line completion operates in an enhanced mode
set wildmode=longest,list,full	  " :h 'wildmode'
" Uncomment the following to have Vim jump to the last position when
" reopening a file
if has("autocmd")
  au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
endif
set mouse=n

"----------------------------------------------
" Plugin: scrooloose/nerdtree
"----------------------------------------------
nnoremap <leader>d :NERDTreeToggle<cr>
nnoremap <F2> :NERDTreeToggle<cr>
"----------------------------------------------
" Language: Golang
"----------------------------------------------
au FileType go set noexpandtab
au FileType go set shiftwidth=4
au FileType go set softtabstop=4
au FileType go set tabstop=4
"----------------------------------------------
" Language: Rust
"----------------------------------------------
au FileType rust set expandtab
"au FileType rust set noexpandtab
au FileType rust set shiftwidth=4
au FileType rust set softtabstop=4
au FileType rust set tabstop=4
let g:rustfmt_autosave = 1
"----------------------------------------------
" Language: Python
"----------------------------------------------
au FileType python set expandtab
au FileType python set shiftwidth=4
au FileType python set softtabstop=4
au FileType python set tabstop=4
"----------------------------------------------
" Language: sql
"----------------------------------------------
au FileType sql set expandtab
au FileType sql set shiftwidth=2
au FileType sql set softtabstop=2
au FileType sql set tabstop=2
"----------------------------------------------
" Plugin: 'junegunn/fzf.vim'
"----------------------------------------------
nnoremap <c-p> :FZF<cr>

" tagbar
nmap <F3> :TagbarToggle<CR>
nnoremap <leader>t :TagbarToggle<cr>

" Language: Go
" Tagbar configuration for Golang
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_fields = 1
let g:go_highlight_types = 1
let g:go_highlight_operators = 1
let g:go_highlight_build_constraints = 1
let g:go_highlight_function_calls = 1
let g:go_highlight_function_parameters = 1

" Add spaces after comment delimiters by default
let g:NERDSpaceDelims = 2
" Use compact syntax for prettified multi-line comments
let g:NERDCompactSexyComs = 1

" vim-easy-align
" Start interactive EasyAlign in visual mode (e.g. vipga)
xmap ga <Plug>(EasyAlign)

" Start interactive EasyAlign for a motion/text object (e.g. gaip)
nmap ga <Plug>(EasyAlign)

" disable vim-go autocomplete
let g:go_code_completion_enabled = 0

" disable diagnostics support
let g:lsp_diagnostics_enabled = 1

" disable document code action signs
let g:lsp_document_code_action_signs_enabled = 0
" Enables a floating window of diagnostic error for the current line to status
let g:lsp_diagnostics_float_cursor = 1

" vim-lsp config
function! s:on_lsp_buffer_enabled() abort
    " setlocal omnifunc=lsp#complete
    setlocal signcolumn=yes
    if exists('+tagfunc') | setlocal tagfunc=lsp#tagfunc | endif
    nmap <buffer> gd <plug>(lsp-definition)
    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)
    inoremap <buffer> <expr><c-f> lsp#scroll(+4)
    inoremap <buffer> <expr><c-d> lsp#scroll(-4)

    let g:lsp_format_sync_timeout = 1000
    autocmd! BufWritePre *.rs,*.go,*.py,*.clj 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