.vimrc

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

call plug#begin('~/.vim/plugged')
" Plug 'NLKNguyen/papercolor-theme'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'junegunn/fzf.vim'
" PlugInstall and PlugUpdate will clone fzf in ~/.fzf and run the install script
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
" Both options are optional. You don't have to install fzf in ~/.fzf
" and you don't have to run the install script if you use fzf only in Vim.

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

Plug 'scrooloose/nerdtree'

Plug 'tpope/vim-fugitive'

Plug 'tpope/vim-eunuch'

Plug 'jiangmiao/auto-pairs'

Plug 'ryanoasis/vim-devicons'

Plug 'w0rp/ale'
" post install (yarn install | npm install)
Plug 'prettier/vim-prettier', { 'do': 'yarn install' }

Plug 'easymotion/vim-easymotion'

Plug 'scrooloose/nerdcommenter'

Plug 'tpope/vim-surround'

" dart plugins
Plug 'dart-lang/dart-vim-plugin'
Plug 'natebosch/vim-lsc'
Plug 'natebosch/vim-lsc-dart'

" tmux plugins
Plug 'christoomey/vim-tmux-navigator'


" initialize plugin system
call plug#end()

" general vim configuration
nnoremap H gT
nnoremap L gt
set clipboard^=unnamed
set incsearch
set hlsearch
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#formatter = 'unique_tail_improved'
set t_Co=256
let g:airline_theme='papercolor'
set ignorecase
filetype plugin on
let g:EasyMotion_do_mapping = 0 " Disable default mappings
map tt :term<CR>

" vim shortcuts
" Console log from insert mode; Puts focus inside parentheses
imap cll console.log();<Esc>==f(a
" " Console log from visual mode on next line, puts visual selection inside
" parentheses
vmap cll yocll<Esc>p
" " Console log from normal mode, inserted on next line with word your on
" inside parentheses
nmap cll yiwocll<Esc>p )

" flutter configuration
let dart_html_in_string=v:true
let g:dart_style_guide = 2
let g:dart_format_on_save = 1

" Jump to anywhere you want with minimal keystrokes, with just one key binding.
" `s{char}{label}`
nmap s <Plug>(easymotion-overwin-f)
" or
" `s{char}{char}{label}`
" Need one more keystroke, but on average, it may be more comfortable.
nmap s <Plug>(easymotion-overwin-f2)

" Turn on case-insensitive feature
let g:EasyMotion_smartcase = 1

" JK motions: Line motions
map <Leader>j <Plug>(easymotion-j)
map <Leader>k <Plug>(easymotion-k)

"eslint configuration 
let g:ale_fixers = {
 \ 'javascript': ['eslint']
 \ }
 
let g:ale_sign_error = '❌'
let g:ale_sign_warning = '⚠️'

let g:ale_fix_on_save = 1


" nerdtree configuration
" if you want to open nerdtree always on open enable the following line
"autocmd vimenter * NERDTree
nnoremap <C-P> :Rg<Cr>
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>
nmap <F4> :NERDTreeToggle<CR>
map ff :NERDTreeFocus<CR>
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | exe 'cd '.argv()[0] | endif
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif

" fzf to work with ripgrep settings
command! -bang -nargs=* Find call fzf#vim#grep('rg --column --line-number --no-heading --fixed-strings --ignore-case --no-ignore --hidden --follow --glob "!.git/*" --color "always" '.shellescape(<q-args>).'| tr -d "\017"', 1, <bang>0)
set grepprg=rg\ --vimgrep
set encoding=UTF-8

" if hidden is not set, TextEdit might fail.
set hidden

" Some servers have issues with backup files, see #649
set nobackup
set nowritebackup

" Better display for messages
set cmdheight=2

" You will have bad experience for diagnostic messages when it's default 4000.
set updatetime=300

" don't give |ins-completion-menu| messages.
set shortmess+=c

" always show signcolumns
set signcolumn=yes

" Use tab for trigger completion with characters ahead and navigate.
" Use command ':verbose imap <tab>' to make sure tab is not mapped by other plugin.
inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

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

" Use <c-space> to trigger completion.
inoremap <silent><expr> <c-space> coc#refresh()

" Use <cr> to confirm completion, `<C-g>u` means break undo chain at current position.
" Coc only does snippet and additional edit on confirm.
inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
" Or use `complete_info` if your vim support it, like:
" inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"

" Use `[g` and `]g` to navigate diagnostics
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" Remap keys for gotos
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>

function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  else
    call CocAction('doHover')
  endif
endfunction

" Highlight symbol under cursor on CursorHold
autocmd CursorHold * silent call CocActionAsync('highlight')

" Remap for rename current word
nmap <leader>rn <Plug>(coc-rename)

" Remap for format selected region
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

augroup mygroup
  autocmd!
  " Setup formatexpr specified filetype(s).
  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
  " Update signature help on jump placeholder
  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" Remap for do codeAction of selected region, ex: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap for do codeAction of current line
nmap <leader>ac  <Plug>(coc-codeaction)
" Fix autofix problem of current line
nmap <leader>qf  <Plug>(coc-fix-current)

" Create mappings for function text object, requires document symbols feature of languageserver.
xmap if <Plug>(coc-funcobj-i)
xmap af <Plug>(coc-funcobj-a)
omap if <Plug>(coc-funcobj-i)
omap af <Plug>(coc-funcobj-a)

" Use <C-d> for select selections ranges, needs server support, like: coc-tsserver, coc-python
nmap <silent> <C-d> <Plug>(coc-range-select)
xmap <silent> <C-d> <Plug>(coc-range-select)

" Use `:Format` to format current buffer
command! -nargs=0 Format :call CocAction('format')

" Use `:Fold` to fold current buffer
command! -nargs=? Fold :call     CocAction('fold', <f-args>)

" use `:OR` for organize import of current buffer
command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')

" Add status line support, for integration with other plugin, checkout `:h coc-status`
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}

" Using CocList
" Show all diagnostics
nnoremap <silent> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions
nnoremap <silent> <space>e  :<C-u>CocList extensions<cr>
" Show commands
nnoremap <silent> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document
nnoremap <silent> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols
nnoremap <silent> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
nnoremap <silent> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list
nnoremap <silent> <space>p  :<C-u>CocListResume<CR>