plugins.vim

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" AUTO-INSTALL VIM-PLUG ------------------------------------------ {{{

" Check if vim-plug is installed, if not install it automatically
if empty(glob('~/.vim/autoload/plug.vim'))
    echo "Installing vim-plug..."
    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

" }}}

" AUTO-INSTALL MISSING PLUGINS ----------------------------------- {{{

" Function to check if all plugins are installed
function! CheckPluginsInstalled()
    let l:missing_plugins = []
    
    " Check each plugin directory
    let l:plugins = [
        \ 'gruvbox',
        \ 'nerdtree', 
        \ 'vim-airline',
        \ 'vim-polyglot',
        \ 'vim-commentary',
        \ 'vim-surround',
        \ 'ale',
        \ 'tagbar',
        \ 'indentline'
    \ ]
    
    for plugin in l:plugins
        if empty(glob('~/.vim/plugged/' . plugin))
            call add(l:missing_plugins, plugin)
        endif
    endfor
    
    return l:missing_plugins
endfunction

" Auto-install missing plugins on startup
function! AutoInstallPlugins()
    let l:missing = CheckPluginsInstalled()
    if !empty(l:missing)
        echo "Installing missing plugins: " . join(l:missing, ', ')
        PlugInstall --sync
    endif
endfunction

" Check and install missing plugins after Vim starts
autocmd VimEnter * call timer_start(500, {-> AutoInstallPlugins()})

" }}}

" PLUGINS ------------------------------------------------------- {{{

" Create plugged directory if it doesn't exist
if !isdirectory(expand('~/.vim/plugged'))
    call mkdir(expand('~/.vim/plugged'), 'p')
endif

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

Plug 'morhetz/gruvbox'
Plug 'scrooloose/nerdtree'
Plug 'vim-airline/vim-airline'
Plug 'sheerun/vim-polyglot'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-surround'
Plug 'dense-analysis/ale'
Plug 'preservim/tagbar'
Plug 'yggdroot/indentline'

call plug#end()

" }}}

" PLUGIN CONFIG ------------------------------------------------------- {{{

" Gruvbox Colorscheme Configuration
colorscheme gruvbox                 " Set the colorscheme to gruvbox
set termguicolors                   " Enable true color support in terminal
let g:gruvbox_italic=1              " Enable italics in gruvbox theme
colorscheme gruvbox                 " Ensure gruvbox is applied (redundant, but safe)
set background=dark                 " Use dark background variant
hi Normal guibg=NONE ctermbg=NONE   " Make background transparent

" Set terminal ANSI colors to match gruvbox palette
let g:terminal_ansi_colors = [
    \ '#282828', '#cc241d', '#98971a', '#d79921',
    \ '#458588', '#b16286', '#689d6a', '#a89984',
    \ '#928374', '#fb4934', '#b8bb26', '#fabd2f',
    \ '#83a598', '#d3869b', '#8ec07c', '#ebdbb2',
\]

" Airline Configuration
" Enhanced status line with powerline fonts support
let g:airline_powerline_fonts=1

" NERDTree Configuration
" File explorer tree with enhanced functionality
nnoremap <C-t> :NERDTreeToggle<CR>
let NERDTreeShowHidden=1
let NERDTreeRespectWildIgnore=1
set wildignore+=*.DS_Store,*.min.*
let NERDTreeIgnore=['\.git$', '\.jpg$', '\.mp4$', '\.ogg$', '\.iso$', '\.pdf$', '\.pyc$', '\.odt$', '\.png$', '\.gif$', '\.db$']

" Auto-start NERDTree when Vim opens without file arguments
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists('s:std_in') | NERDTree | endif

" Mirror NERDTree on each new tab for consistent file exploration
autocmd BufWinEnter * silent NERDTreeMirror

" ALE (Asynchronous Lint Engine) Configuration
" Provides real-time syntax checking and code fixing
let g:ale_disable_lsp = 1
let g:ale_fixers = {
\   '*': ['remove_trailing_lines', 'trim_whitespace'],
\   'javascript': ['eslint'],
\   'javascriptreact': ['eslint'],
\}

" IndentLine Configuration
" Visual indentation guides for better code readability
let g:indentLine_color_gui = '#423d38'
let g:indentLine_setConceal = 0
let g:indentLine_char = '|'

" Tagbar Configuration
" Code structure overview with tag navigation
nmap <F8> :TagbarToggle<CR>

" Extended JSX/React support for Tagbar
let g:tagbar_type_javascriptreact = {
 \ 'ctagstype': 'javascript',
 \ 'kinds': [
       \ 'A:array',
       \ 'P:property',
       \ 'T:tags',
       \ 'O:objects',
       \ 'g:generator functions',
       \ 'f:functions',
       \ 'c:classes',
       \ 'm:methods',
       \ 'V:variables',
       \ 'I:imports',
       \ 'E:exports',
       \ 's:styled components'
 \ ]}

" }}}

" AUTO-UPDATE PLUGINS ----------------------------------- {{{

" Check for plugin updates every 7 days (adjust g:plug_update_interval as needed)
let g:plug_update_interval = 7 * 24 * 60 * 60  " 7 days in seconds
let g:plug_last_update_file = expand('~/.vim/plug_last_update')

" Function to check if plugins need updating
function! ShouldUpdatePlugins()
    if !filereadable(g:plug_last_update_file)
        return 1
    endif
    
    let last_update = str2nr(readfile(g:plug_last_update_file)[0])
    let current_time = localtime()
    
    return (current_time - last_update) > g:plug_update_interval
endfunction

" Function to update plugins and record timestamp
function! AutoUpdatePlugins()
    if ShouldUpdatePlugins()
        echo "Updating plugins..."
        PlugUpdate
        call writefile([string(localtime())], g:plug_last_update_file)
    endif
endfunction

" Auto-update plugins on Vim startup (runs silently in background)
autocmd VimEnter * call timer_start(1000, {-> AutoUpdatePlugins()})

" Manual update command (use :UpdatePluginsNow to force update)
command! UpdatePluginsNow call AutoUpdatePlugins()

" }}}