vimrc

" Set
set number
set relativenumber

" show existing tab with 4 spaces width
set tabstop=4
" " when indenting with '>', use 4 spaces width
set shiftwidth=4
" " On pressing tab, insert 4 spaces
set expandtab

" You might have to force true color when using regular vim inside tmux as the
" colorscheme can appear to be grayscale with "termguicolors" option enabled.
if !has('gui_running') && &term =~ '^\%(screen\|tmux\)'
  let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
  let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
endif
set termguicolors

" Empty space visualize
set listchars=tab:\ \ ┊,trail:●,extends:…,precedes:…,space:·

" Turn off auto-insert of comments
augroup auto_comment
    au!
    au FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o
augroup END

" you nearly always want this
set ignorecase
" case-sensitive if search contains an uppercase character
set smartcase

let mapleader = ","
" Plugin
call plug#begin()
" The default plugin directory will be as follows:
"   - Vim (Linux/macOS): '~/.vim/plugged'
"   - Vim (Windows): '~/vimfiles/plugged'
"   - Neovim (Linux/macOS/Windows): stdpath('data') . '/plugged'
" You can specify a custom plugin directory by passing it as the argument
"   - e.g. `call plug#begin('~/.vim/plugged')`
"   - Avoid using standard Vim directory names like 'plugin'

" Make sure you use single quotes
Plug 'tpope/vim-sensible'
" surround.vim: Delete/change/add parentheses/quotes/XML-tags/much more with ease
Plug 'tpope/vim-surround'

" repeat.vim: enable repeating supported plugin maps with "."
Plug 'tpope/vim-repeat'

" speeddating.vim: use CTRL-A/CTRL-X to increment dates, times, and more
Plug 'tpope/vim-speeddating'

" unimpaired.vim: Pairs of handy bracket mappings
Plug 'tpope/vim-unimpaired'

" commentary.vim: comment stuff out
Plug 'tpope/vim-commentary'

" fugitive.vim: A Git wrapper so awesome, it should be illegal
Plug 'tpope/vim-fugitive'

" fzf ❤️ vim
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'

" Vim plugin, insert or delete brackets, parens, quotes in pair
Plug 'jiangmiao/auto-pairs'

" lean & mean status/tabline for vim that's light as air
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'tomasiser/vim-code-dark'

" Vim motions on speed!
Plug 'easymotion/vim-easymotion'

" Improved incremental searching for Vim
Plug 'haya14busa/incsearch.vim'

" integrate incremental searching and easy motion
Plug 'haya14busa/incsearch-easymotion.vim'

" fuzzy search
Plug 'haya14busa/incsearch-fuzzy.vim'

" highlight the character which can move directly to (by `f`,`F`,`t`,`T`)
Plug 'deris/vim-shot-f'

" % now matches tags <tr><td><script> etc
Plug 'adelarsq/vim-matchit'

" Perform all your vim insert mode completions with Tab
Plug 'ervandew/supertab'

" A tree explore plugin for vim.
Plug 'preservim/nerdtree'

" emmet for vim
Plug 'mattn/emmet-vim'

" Vim plugin for Todo.txt
Plug 'freitass/todo.txt-vim'

" Preview colours in source code while editing
Plug 'ap/vim-css-color'

" Initialize plugin system
call plug#end()

" airline theme
colorscheme codedark
let g:airline_theme='violet'
let g:airline_powerline_fonts = 1

" Emmet Settings
let g:user_emmet_leader_key='<C-Z>'

" incsearch.vim x fuzzy x vim-easymotion
function! s:config_easyfuzzymotion(...) abort
    return extend(copy({
      \   'converters': [
      \     incsearch#config#fuzzy#converter(),
      \     incsearch#config#fuzzyspell#converter()
      \    ],
      \   'modules': [incsearch#config#easymotion#module()],
      \   'keymap': {"\<CR>": '<Over>(easymotion)'},
      \   'is_expr': 0,
      \ }), get(a:, 1, {}))
endfunction

" ========================================
" IncSearch map

noremap <silent><expr> <Space>/ incsearch#go(<SID>config_easyfuzzymotion())
noremap <silent><expr> <Space>? incsearch#go(<SID>config_easyfuzzymotion({'command': '?'}))
noremap <silent><expr> <Space>g/ incsearch#go(<SID>config_easyfuzzymotion({'is_stay': 1}))

" =======================================
" Map Leader

map <Leader>h <Plug>(easymotion-linebackward)

map <Leader>j <Plug>(easymotion-j)

map <Leader>k <Plug>(easymotion-k)

map <Leader>l <Plug>(easymotion-lineforward)

nnoremap <leader>n :NERDTreeFocus<CR>
" clipboard paste
map <Leader>p "*p
" source $MYVIMRC reloads the saved $MYVIMR
nmap <Leader>s :w<CR>:source $MYVIMRC<CR>
" Shortcut to rapidly toggle `set list`
nmap <leader>t :set list!<CR>
" opens $MYVIMRC for editing, or use :tabedit $MYVIMRC
nmap <Leader>v :e $MYVIMRC<CR>
" <cr> should not only clear highlighted search, but flash the current
" cursor location.
:nnoremap <CR> :nohlsearch<CR>:set cul cuc<cr>:sleep 50m<cr>:set nocul nocuc<cr>/<BS>


let g:EasyMotion_startofline = 0 " keep cursor column when JK motion"

" :h g:incsearch#auto_nohlsearch
set hlsearch
let g:incsearch#auto_nohlsearch = 1

"======================================== 
" Map
map n  <Plug>(incsearch-nohl-n)
map N  <Plug>(incsearch-nohl-N)
map *  <Plug>(incsearch-nohl-*)
map #  <Plug>(incsearch-nohl-#)
map g* <Plug>(incsearch-nohl-g*)
map g# <Plug>(incsearch-nohl-g#)

map / <Plug>(incsearch-easymotion-/)
map ? <Plug>(incsearch-easymotion-?)
map g/ <Plug>(incsearch-easymotion-stay)

" ========================================
" NERDTree map
nnoremap <C-n> :NERDTree<CR>
nnoremap <C-t> :NERDTreeToggle<CR>
nnoremap <C-f> :NERDTreeFind<CR>


" nmap ;s :source ~/.vim/learn-vim/scriptfile.vim<CR>

" format current file
map <F7> gg=G<C-o><C-o>

" disable the arrow key to adjust hjkl
map <up> <nop>
map <down> <nop>
map <left> <nop>
map <right> <nop>

" Tab to navigate windows
map <Tab> <C-W>w
" ========================================   
" Abbreviation
iabbrev <silent> CWD <C-R>=getcwd()<CR>