init.vim

" requests:
" 1. nodejs
" 2. npm
" 3. yarn
" Export compile_commands.json
" cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -B build
"========================
"==== Enhance editor ====
"========================
set number
set encoding=utf-8
"This is esay to know how many 
"lines you below current lines
set relativenumber
set expandtab
set tabstop=4
set shiftwidth=4
set softtabstop=4
set ignorecase
set smartcase
set notimeout
set jumpoptions=stack

let mapleader="\<SPACE>"

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

" =======================
" ===  plugins  begin ===
" =======================

call plug#begin('~/.config/nvim/plugged')
" any fold
  Plug 'pseewald/vim-anyfold'

" vim terminal
  Plug 'skywind3000/vim-terminal-help'

" enhance editor
  Plug 'tomtom/tcomment_vim'

" git
  Plug 'tpope/vim-fugitive'

" Theme & highlight
  "Plug 'cateduo/vsdark.nvim'
  Plug 'jackguo380/vim-lsp-cxx-highlight'
"  Plug 'folke/tokyonight.nvim'
  Plug 'shaunsingh/nord.nvim'


" file explorer
  Plug 'preservim/nerdtree'

  Plug 'kyazdani42/nvim-web-devicons' " for file icons
" Plug 'kyazdani42/nvim-tree.lua'

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

" file finder
  Plug 'Yggdroot/LeaderF', { 'do': ':LeaderfInstallCExtension' }

 " debug
  Plug 'puremourning/vimspector', {'do': './install_gadget.py --enable-rust --enable-python'}

  "statusline
  Plug 'bling/vim-airline'
  Plug 'vim-airline/vim-airline-themes'

  "Icons
  Plug 'ryanoasis/vim-devicons'


call plug#end()

" =======================
" ===  plugins  end   ===
" =======================

" ==== tomtom/tcomment_vim ====

let g:tcomment_textobject_inlinecomment = ''
nmap <LEADER>cn g>c
vmap <LEADER>cn g>
nmap <LEADER>cu g<c
vmap <LEADER>cu g<

" ==== Yggdroot/LeaderF ====
let g:Lf_WindowPosition='popup'
let g:Lf_PreviewInPopup=1
let g:Lf_CommandMap = {
\   '<C-p>': ['<C-k>'],
\   '<C-k>': ['<C-p>'],
\   '<C-j>': ['<C-n>']
\}
nmap <leader>f :Leaderf file<CR>
nmap <leader>b :Leaderf! buffer<CR>
nmap <leader>F :Leaderf rg<CR>
let g:Lf_DevIconsFont = "DroidSansMono Nerd Font Mono"


" ==== preservim/nerdtree ====

nnoremap <LEADER>e :NERDTreeToggle<CR>


" ==== cateduo/vsdark.nvim ====
set termguicolors
"let g:vsdark_style = "dark"
"colorscheme vsdark

" ==== neoclide/coc.nvim ====

" coc extensions
let g:coc_global_extensions = [
      \ 'coc-clangd',
      \ 'coc-json',
      \ 'coc-tsserver',
      \ 'coc-css',
      \ 'coc-html',
      \ 'coc-vimlsp',
      \ 'coc-cmake',
      \ 'coc-highlight',
      \ 'coc-pyright'
      \ ]

set signcolumn=number
" <TAB> to select candidate forward or
" pump completion candidate
inoremap <silent><expr> <C-n> coc#pum#visible() ? coc#pum#next(1) : "\<C-n>"
inoremap <silent><expr> <C-p> coc#pum#visible() ? coc#pum#prev(1) : "\<C-p>"
inoremap <silent><expr> <down> coc#pum#visible() ? coc#pum#next(0) : "\<down>"
inoremap <silent><expr> <up> coc#pum#visible() ? coc#pum#prev(0) : "\<up>"

inoremap <silent><expr> <PageDown> coc#pum#visible() ? coc#pum#scroll(1) : "\<PageDown>"
inoremap <silent><expr> <PageUp> coc#pum#visible() ? coc#pum#scroll(0) : "\<PageUp>"
  
  
inoremap <silent><expr> <C-e> coc#pum#visible() ? coc#pum#cancel() : "\<C-e>"
inoremap <silent><expr> <C-y> coc#pum#visible() ? coc#pum#confirm() : "\<C-y>"

" inoremap <silent><expr> <TAB>
"       \ pumvisible() ? "\<C-n>" :
"       \ <SID>check_back_space() ? "\<TAB>" :
"       \ coc#refresh()
" " <s-TAB> to select candidate backward
" 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
"
" " <CR> to comfirm selected candidate
" " only when there's selected complete item
" if exists('*complete_info')
"   inoremap <silent><expr> <CR> complete_info(['selected'])['selected'] != -1 ? "\<C-y>" : "\<C-g>u\<CR>"
" endif
"
" nnoremap <silent> K :call <SID>show_documentation()<CR>
" function! s:show_documentation()
"   if(index(['vim', 'help'], &filetype) >= 0)
"     execute 'h '.expand('<cword>')
"   elseif (coc#rpc#ready())
"     call CocActionAsync('doHover')
"   else
"     execute '!' . &keywordprg . " " . expand('<cword>')
"   endif
" endfunction
"
" highlight link CocHighlightText Visual
" autocmd CursorHold * silent call CocActionAsync('highlight')   " TODO

nmap <leader>rn <Plug>(coc-rename)
xmap <leader>f <Plug>(coc-format-selected)
command! -nargs=0 Format :call CocAction('format')

augroup mygroup
  autocmd!
  autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
  autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" diagnostic info
nnoremap <silent><nowait> <LEADER>d :CocList diagnostics<CR>
nmap <silent> <LEADER>- <Plug>(coc-diagnostic-prev)
nmap <silent> <LEADER>= <Plug>(coc-diagnostic-next)
nmap <LEADER>qf <Plug>(coc-fix-current)

" Remap <C-f> and <C-b> for scroll float windows/popups.
if has('nvim-0.4.0') || has('patch-8.2.0750')
  nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
  inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<C-r>=coc#float#scroll(1)\<CR>" : "\<Right>"
  inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<C-r>=coc#float#scroll(0)\<CR>" : "\<Left>"
  vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
  vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
endif

" statusline support
" set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}  "TODO

" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gD :tab sp<CR><Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

function! s:generate_compile_commands()
  if empty(glob('CMakeLists.txt'))
    echo "Can't find CMakeLists.txt"
    return
  endif
  if empty(glob('.vscode'))
    execute 'silent !mkdir .vscode'
  endif
  execute '!cmake -DCMAKE_BUILD_TYPE=debug
      \ -DCMAKE_EXPORT_COMPILE_COMMANDS=1 -S . -B .vscode'
endfunction
command! -nargs=0 Gcmake :call s:generate_compile_commands()

" ==== puremourning/vimspector ====
let g:vimspector_enable_mappings = 'HUMAN'


nmap <Leader>v <Plug>VimspectorBalloonEval
map <Leader>v <Plug>vimspectorBalloonEval

"airline
if !exists('g:airline_symbols')
let g:airline_symbols = {}
endif
let g:airline_left_sep = '▶'
let g:airline_left_alt_sep = '❯'
let g:airline_right_sep = '◀'
let g:airline_right_alt_sep = '❮'
let g:airline_symbols.linenr = '-'
let g:airline_symbols.branch = '⎇'

" 是否打开tabline
let g:airline#extensions#tabline#enabled = 1

let g:airline_theme='bubblegum'
"let g:airline_section_b='%{strftime("%c")}'
let g:airline_sectiony='BN: %{bufnr("%)}'
"---------------alrLine Config--------------
if !exists('g:airline_symbols')
	let g:airline_symbols = {}
endif
let g:airline_symbols.space = "\ua0"
let g:airline_exclude_filename = []
let g:Powerline_symbols='fancy'
let g:bufferline_echo=0
set laststatus=2
let g:airline_powerline_fonts = 1
set guifont=Powerline_Consolas:h14:cANSI
set t_Co=256
"set fillchars+=stl:\ ,stlnc:\
"
"---------------- Any fold config----------
filetype plugin indent on " required
syntax on                 " required
autocmd Filetype * AnyFoldActivate               " activate for all filetypes
set foldlevel=99 " Open all folds

"colorscheme tokyonight

" There are also colorschemes for the different styles.
"colorscheme tokyonight-night
"colorscheme tokyonight-storm
"colorscheme tokyonight-day
"let g:lightline = {'colorscheme': 'tokyonight'}

colorscheme nord 
let g:nord_contrast = v:true
let g:nord_borders = v:false
let g:nord_disable_background = v:false
let g:nord_italic = v:false
let g:nord_uniform_diff_background = v:true
let g:nord_bold = v:false