syntax on

set guicursor=
set noshowmatch
set relativenumber
set nohlsearch
set hidden
set noerrorbells
set tabstop=4 softtabstop=4
set shiftwidth=4
set expandtab
set smartindent
set nu
set nowrap
set smartcase
set noswapfile
set nobackup
set undodir=~/.config/nvim/undodir
set undofile
set incsearch
set termguicolors
set scrolloff=8
set noshowmode

" Give more space for displaying messages.
set cmdheight=2

" Having longer updatetime (default is 4000 ms = 4 s) leads to noticeable
" delays and poor user experience.
set updatetime=50

" Don't pass messages to |ins-completion-menu|.
set shortmess+=c

set colorcolumn=80
highlight ColorColumn ctermbg=0 guibg=lightgrey

call plug#begin('~/.config/nvim/plugged')

Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'tweekmonster/gofmt.vim'
Plug 'tpope/vim-fugitive'
Plug 'mbbill/undotree'
Plug 'sheerun/vim-polyglot'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'vuciv/vim-bujo'
Plug 'tpope/vim-dispatch'
Plug 'tell-k/vim-autopep8'
Plug 'mattn/emmet-vim'
Plug 'pangloss/vim-javascript'
Plug 'tpope/vim-commentary'
Plug 'preservim/nerdtree'

"  I AM SO SORRY FOR DOING COLOR SCHEMES IN MY VIMRC, BUT I HAVE
"  TOOOOOOOOOOOOO
Plug 'gruvbox-community/gruvbox'
Plug 'sainnhe/gruvbox-material'
Plug 'phanviet/vim-monokai-pro'
Plug 'vim-airline/vim-airline'
" Plug 'itchyny/lightline.vim'
Plug 'flazz/vim-colorschemes'

call plug#end()

let g:gruvbox_contrast_dark = 'hard'
if exists('+termguicolors')
    let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
    let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
endif
let g:gruvbox_invert_selection='0'

" --- vim go (polyglot) settings.
let g:go_highlight_build_constraints = 1
let g:go_highlight_extra_types = 1
let g:go_highlight_fields = 1
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_operators = 1
let g:go_highlight_structs = 1
let g:go_highlight_types = 1
let g:go_highlight_function_parameters = 1
let g:go_highlight_function_calls = 1
let g:go_highlight_generate_tags = 1
let g:go_highlight_format_strings = 1
let g:go_highlight_variable_declarations = 1
let g:go_auto_sameids = 1

" Disbale vim-autopep8 diff window
let g:autopep8_disable_show_diff=1

colorscheme gruvbox
set background=dark

if executable('rg')
    let g:rg_derive_root='true'
endif

let loaded_matchparen = 1
let mapleader = " "

let g:netrw_browse_split = 2
let g:netrw_banner = 0
let g:netrw_winsize = 25

nnoremap <leader>prw :CocSearch <C-R>=expand("<cword>")<CR><CR>
nnoremap <leader>pw :Rg <C-R>=expand("<cword>")<CR><CR>
nnoremap <leader>phw :h <C-R>=expand("<cword>")<CR><CR>
nnoremap <leader>h :wincmd h<CR>
nnoremap <leader>j :wincmd j<CR>
nnoremap <leader>k :wincmd k<CR>
nnoremap <leader>l :wincmd l<CR>
nnoremap <leader>u :UndotreeShow<CR>
nnoremap <leader>pv :wincmd v<bar> :Ex <bar> :vertical resize 30<CR>
nnoremap <Leader>ps :Rg<SPACE>
nnoremap <C-p> :GFiles<CR>
nnoremap <Leader>pf :Files<CR>
nnoremap <Leader><CR> :so ~/.config/nvim/init.vim<CR>
nnoremap <Leader>+ :vertical resize +5<CR>
nnoremap <Leader>- :vertical resize -5<CR>
nnoremap <Leader>rp :resize 100<CR>
nnoremap <Leader>ee oif err != nil {<CR>log.Fatalf("%+v\n", err)<CR>}<CR><esc>kkI<esc>
vnoremap J :m '>+1<CR>gv=gv
vnoremap K :m '<-2<CR>gv=gv

noremap <leader>/ :Commentary<cr>

noremap <C-n> :NERDTreeToggle<CR>

" vim TODO
nmap <Leader>tu <Plug>BujoChecknormal
nmap <Leader>th <Plug>BujoAddnormal
let g:bujo#todo_file_path = $HOME . "/.cache/bujo"

" Vim with me
nnoremap <leader>vwm :colorscheme gruvbox<bar>:set background=dark<CR>
nmap <leader>vtm :highlight Pmenu ctermbg=gray guibg=gray

vnoremap X "_d
inoremap <C-c> <esc>

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

command! -nargs=0 Prettier :CocCommand prettier.formatFile
inoremap <silent><expr> <C-space> coc#refresh()

" GoTo code navigation.
nmap <leader>gd <Plug>(coc-definition)
nmap <leader>gy <Plug>(coc-type-definition)
nmap <leader>gi <Plug>(coc-implementation)
nmap <leader>gr <Plug>(coc-references)
nmap <leader>rr <Plug>(coc-rename)
nmap <leader>g[ <Plug>(coc-diagnostic-prev)
nmap <leader>g] <Plug>(coc-diagnostic-next)
nmap <silent> <leader>gp <Plug>(coc-diagnostic-prev-error)
nmap <silent> <leader>gn <Plug>(coc-diagnostic-next-error)
nnoremap <leader>cr :CocRestart

" Sweet Sweet FuGITive
nmap <leader>gh :diffget //3<CR>
nmap <leader>gu :diffget //2<CR>
nmap <leader>gs :G<CR>

" Lightline
" let g:lightline = {
"       \ 'colorscheme': 'wombat',
"       \ 'active': {
"       \   'left': [ [ 'mode', 'paste' ],
"       \             [ 'gitbranch', 'readonly', 'filename', 'modified' ] ]
"       \ },
"       \ 'component_function': {
"       \   'gitbranch': 'FugitiveHead'
"       \ },
"       \ }

fun! TrimWhitespace()
    let l:save = winsaveview()
    keeppatterns %s/\s\+$//e
    call winrestview(l:save)
endfun

augroup highlight_yank
    autocmd!
    autocmd TextYankPost * silent! lua require'vim.highlight'.on_yank("IncSearch", 50)
augroup END

autocmd BufWritePre * :call TrimWhitespace()

"python with virtualenv support
let g:python3_host_prog = "/usr/bin/python"

py << EOF
import os
import sys
if 'VIRTUAL_ENV' in os.environ:
    project_base_dir = os.environ['VIRTUAL_ENV']
    activate_this = os.path.join(project_base_dir, 'bin/activate_this.py')
    execfile(activate_this, dict(__file__=activate_this))
EOF

" Auto Formatting
nnoremap <C-f> :Prettier<CR>

" Indentation for Python
au BufNewFile,BufRead *.py
    \set autoindent
    \set fileformat=unix

" Indentation for JS
au BufNewFile,BufRead *.js
    \set shiftwidth=2