" ============================================================
" HenriqueSilva.dev - Modern .vimrc (C/C++ + Python + Polyglot)
" Vim 8+ | Needs: node (for coc), ripgrep (rg), fzf (optional)
" ============================================================

" ---------- Basics ----------
set nocompatible
filetype plugin indent on
syntax on
set encoding=utf-8
set hidden
set mouse=a
set updatetime=300
set timeoutlen=400
set ttimeoutlen=10
set signcolumn=yes
set termguicolors

" ============================================================
" Clipboard (macOS-friendly)
" - If Vim has +clipboard: use system clipboard automatically
" - If NOT: sync via pbcopy/pbpaste while keeping native y/p
" ============================================================
if has('clipboard')
  set clipboard=unnamedplus
endif

if executable('pbcopy') && executable('pbpaste')

  " Copy yanks to macOS clipboard (keeps y/yw/yy/yap... intact)
  augroup mac_clipboard_yank
    autocmd!
    autocmd TextYankPost * if v:event.operator ==# 'y' | call system('pbcopy', getreg('"')) | endif
  augroup END

  " Helper: refresh unnamed register from macOS clipboard
  function! s:MacPasteToUnnamed() abort
    let l:clip = system('pbpaste')
    " Remove trailing newline that pbpaste often includes (optional)
    if l:clip =~ "\n$"
      let l:clip = substitute(l:clip, "\n$", "", "")
    endif
    call setreg('"', l:clip)
  endfunction

  " Make p/P paste from macOS clipboard (keeps behavior "like p", just syncs first)
  nnoremap <silent> p :call <SID>MacPasteToUnnamed()<CR>p
  nnoremap <silent> P :call <SID>MacPasteToUnnamed()<CR>P

  " In Visual mode, keep replacement paste behavior consistent
  xnoremap <silent> p :call <SID>MacPasteToUnnamed()<CR>p
  xnoremap <silent> P :call <SID>MacPasteToUnnamed()<CR>P
endif

" ---------- UI / Editing ----------
set number
set relativenumber
set cursorline
set ruler
set showcmd
set showmatch
set nowrap
set linebreak
set scrolloff=6
set sidescrolloff=6
set splitright
set splitbelow
set wildmenu
set wildmode=longest:full,full
set completeopt=menuone,noinsert,noselect

" ---------- Indentation (global, neutral) ----------
" Deixe o EditorConfig e/ou FileType sobrescreverem por projeto.
set tabstop=4
set shiftwidth=4
set softtabstop=4
set noexpandtab
set smartindent

" ---------- Search ----------
set ignorecase
set smartcase
set incsearch
set hlsearch

" ---------- Performance / Files ----------
set lazyredraw
set synmaxcol=240
set nobackup
set nowritebackup
set noswapfile
set undofile
set undodir=~/.vim/undo//
set directory=~/.vim/tmp//

" Create dirs if missing (avoids warnings/errors on startup)
if !isdirectory(expand('~/.vim/undo'))
  call mkdir(expand('~/.vim/undo'), 'p')
endif
if !isdirectory(expand('~/.vim/tmp'))
  call mkdir(expand('~/.vim/tmp'), 'p')
endif

" ---------- Leader ----------
let mapleader=" "
nnoremap <leader>h :nohlsearch<CR>

" ============================================================
" Plugins (vim-plug)
" ============================================================
" Bootstrap vim-plug if missing (needed to load editorconfig-vim)
if empty(glob('~/.vim/autoload/plug.vim'))
  echohl WarningMsg
  echom "vim-plug not found. Install it to load plugins (incl. editorconfig-vim)."
  echohl None
endif

call plug#begin('~/.vim/plugged')

" --- Core UX ---
Plug 'sickill/vim-monokai'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'ryanoasis/vim-devicons'

" --- Navigation / Search ---
Plug 'preservim/nerdtree'
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'

" --- Git ---
Plug 'tpope/vim-fugitive'
Plug 'airblade/vim-gitgutter'

" --- Editing helpers ---
Plug 'tpope/vim-surround'
Plug 'tpope/vim-repeat'
Plug 'preservim/nerdcommenter'
Plug 'tpope/vim-commentary'

" --- Syntax / Code ---
Plug 'sheerun/vim-polyglot'

" --- LSP/Autocomplete/Snippets (CoC) ---
Plug 'neoclide/coc.nvim', {'branch': 'release'}

" --- NERDTree Devicons Syntax Highlight ---
Plug 'tiagofumo/vim-nerdtree-syntax-highlight'

" --- EditorConfig ---
Plug 'editorconfig/editorconfig-vim'

call plug#end()

" ============================================================
" Theme
" ============================================================
set background=dark
colorscheme monokai

" Airline theme must be set AFTER plugins are loaded
let g:airline_powerline_fonts = 1
let g:airline_theme = 'base16_monokai'

" ============================================================
" NERDTree
" ============================================================
nnoremap <leader>e :NERDTreeToggle<CR>
let g:NERDTreeShowHidden=1
let g:NERDTreeMinimalUI=1

" ============================================================
" FZF (uses ripgrep if installed)
" ============================================================
nnoremap <leader>f :Files<CR>
nnoremap <leader>b :Buffers<CR>
nnoremap <leader>/ :Rg<Space>

" ============================================================
" GitGutter
" ============================================================
let g:gitgutter_map_keys = 0
nnoremap ]c :GitGutterNextHunk<CR>
nnoremap [c :GitGutterPrevHunk<CR>

" ============================================================
" Better defaults per filetype (C/C++ & Python)
" ============================================================
augroup ft_settings
  autocmd!
  autocmd FileType c,cpp setlocal tabstop=4 shiftwidth=4 softtabstop=4 noexpandtab
  autocmd FileType python setlocal tabstop=4 shiftwidth=4 softtabstop=4 expandtab
  autocmd FileType c,cpp setlocal list listchars=tab:>\ ,trail:·
augroup END

" Fallback: if editorconfig isn't loaded, keep C/C++ on tabs.
if empty(glob('~/.vim/autoload/plug.vim'))
  autocmd FileType c,cpp setlocal tabstop=4 shiftwidth=4 softtabstop=4 noexpandtab
endif

" ============================================================
" CoC (LSP + Autocomplete)
" ============================================================
" TAB: se menu do autocomplete estiver visível, navega; senão insere TAB REAL
inoremap <silent><expr> <TAB> pumvisible() ? "\<C-n>" : "\<C-v>\<Tab>"
inoremap <silent><expr> <S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
inoremap <silent><expr> <CR> pumvisible() ? coc#_select_confirm() : "\<CR>"

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)
nmap <leader>rn <Plug>(coc-rename)
nmap <leader>ca <Plug>(coc-codeaction)

nmap <silent> [d <Plug>(coc-diagnostic-prev)
nmap <silent> ]d <Plug>(coc-diagnostic-next)

nnoremap <silent> K :call CocActionAsync('doHover')<CR>
nnoremap <leader>fm :call CocActionAsync('format')<CR>
nnoremap <leader>qf :CocList diagnostics<CR>
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}
set shortmess+=c

" ============================================================
" Quality-of-life mappings
" ============================================================
nnoremap <leader>w :w<CR>
nnoremap <leader>q :q<CR>
nnoremap <leader>Q :qa!<CR>

vnoremap < <gv
vnoremap > >gv

nnoremap <C-h> <C-w>h
nnoremap <C-j> <C-w>j
nnoremap <C-k> <C-w>k
nnoremap <C-l> <C-w>l

" Devicons in NERDTree
let g:WebDevIconsUnicodeDecorateFolderNodes = 1
let g:webdevicons_enable_nerdtree = 1
let g:NERDTreeDirArrowExpandable = '▸'
let g:NERDTreeDirArrowCollapsible = '▾'

" ============================================================
" Copy/Paste helpers (keep; these don't override y/p anymore)
" ============================================================
nnoremap <silent> <leader>v "+p
inoremap <silent> <leader>v <C-r>+
vnoremap <silent> <leader>c "+y
vnoremap <silent> <leader>C :'<,'>w !pbcopy<CR><CR>

vnoremap <silent> <M-c> "+y
vnoremap <silent> <M-x> "+d
nnoremap <silent> <M-v> "+p
inoremap <silent> <M-v> <C-r>+