" Required settings
set nocompatible
filetype off

set rtp+=~/.vim/bundle/Vundle.vim
set rtp+=/opt/homebrew/opt/fzf

call vundle#begin()

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'

" Plugins
Plugin 'morhetz/gruvbox'
Plugin 'preservim/nerdtree'
Plugin 'tpope/vim-fugitive'
Plugin 'tpope/vim-surround'
Plugin 'tpope/vim-commentary'
Plugin 'ryanoasis/vim-devicons'
Plugin 'vim-airline/vim-airline'
Plugin 'vim-syntastic/syntastic'

" All of your Plugins must be added before the following line
call vundle#end()
filetype plugin indent on

" Search options
set incsearch
set ignorecase
set showmatch
set hlsearch

" History options
set history=1000
set showcmd

" Indent options
set autoindent
set smartindent

" Common options
set guioptions=
set showmode
set showtabline=0
set smartcase
set autochdir
set number
set ruler
set wrap linebreak nolist
set textwidth=80
set cursorline

" Force 256 color support
set t_Co=256

" Enable syntax highlighting
syntax enable
syntax on

" Set syntax highlight for specified file types
autocmd BufRead,BufNewFile *.conf setf dosini
autocmd BufRead,BufNewFile *.cnf setf dosini

" Set tab sizes and use spaces instead of tabs
set tabstop=2
set shiftwidth=2
set softtabstop=2
set expandtab
set smarttab

" Encoding and file format order
set ffs=unix,dos,mac
set fencs=utf-8,cp1251,koi8-r,ucs-2,cp866

" Disable mouse support in terminal mode
if !has('gui_running')
set mouse=
endif

" Fix keyboard mapping for <home> and <end> buttons
map <ESC>[H <home>
cmap <ESC>[H <home>
imap <ESC>[H <home>
map <ESC>[F <end>
cmap <ESC>[F <end>
imap <ESC>[F <end>

" Save and exit in Insert and Normal mode
inoremap <F2> <ESC>:wq
nnoremap <F2> <ESC>:wq

" Toggle NERDTree open and close in Normal mode
nnoremap <F3> :NERDTreeToggle<CR>

" Have nerdtree ignore certain files and directories.
let NERDTreeIgnore=['\.git$', '\.jpg$', '\.mp4$', '\.ogg$', '\.iso$', '\.pdf$', '\.pyc$', '\.odt$', '\.png$', '\.gif$', '\.db$']

" Map <Ctrl+/> to comment line in Normal, Visual and Insert modes.
nmap <C-_> <Plug>CommentaryLine
vmap <C-_> <Plug>CommentaryLine
imap <C-_> <C-\><C-O><Plug>CommentaryLine

" Map (Ctrl+u) to undo the changes made since you typed in Insert mode.
" Start a new change before using this mapping. Normally Ctrl+u while in Insert mode
" would delete the text without undo history and it would be lost forever.
inoremap <C-u> <C-G>u<C-u>

" You can split the window in Vim by typing :split or :vsplit.
" Navigate the split view easier by pressing CTRL+j, CTRL+k, CTRL+h, or CTRL+l.
nnoremap <c-j> <c-w>j
nnoremap <c-k> <c-w>k
nnoremap <c-h> <c-w>h
nnoremap <c-l> <c-w>l

" Resize split windows using arrow keys by pressing:
" CTRL+UP, CTRL+DOWN, CTRL+LEFT, or CTRL+RIGHT.
noremap <c-up> <c-w>+
noremap <c-down> <c-w>-
noremap <c-left> <c-w>>
noremap <c-right> <c-w><

" Wildmenu
set wildmenu
set wildmode=full
set wildoptions=pum
runtime! menu.vim
set wildcharm=<C-z>
nnoremap <F10> :emenu<Space><C-z>

" Set colorscheme
colorscheme molokai
let g:molokai_original = 1
let g:rehash256 = 1

" Airline options
let g:airline_powerline_fonts = 1
let g:airline#extensions#keymap#enabled = 0
let g:airline_section_z = "\ue0a1:%l/%L Col:%c"
let g:Powerline_symbols='unicode'
let g:airline#extensions#xkblayout#enabled = 0
let g:airline#extensions#syntastic#enabled = 1

" Syntastic options
let g:syntastic_always_populate_loc_list = 1
let g:syntastic_auto_loc_list = 1
let g:syntastic_check_on_open = 1
let g:syntastic_check_on_wq = 0

" Change mode cursor color in xterm
" Avoid spawning shell (silent !echo) which causes garbage output in some terminals.
" t_EI is sent on VimEnter automatically when leaving insert mode context.
if &term =~ "xterm-256color\\|rxvt"
  let &t_SI = "\033]Pl00d7ff\033\\"
  let &t_SR = "\033]Plf00000\033\\"
  let &t_EI = "\033]Plff8708\033\\"
  autocmd VimEnter * let &t_EI = "\033]Plff8708\033\\" | redraw
  autocmd VimLeave * call writefile(["\033]Plc1ffc1\033\\"], '/dev/tty')
endif

" Show tabs and trails
set list
set listchars=tab:--,trail:.

" Override theme color settings for tabs and trails
function! MyHighlights() abort
  highlight NonText ctermbg=None ctermfg=DarkGrey
  highlight SpecialKey ctermbg=None ctermfg=DarkGrey
endfunction

augroup MyColors
  autocmd!
  autocmd ColorScheme * call MyHighlights()
augroup END

" Jump to the last position when reopening a file
if has("autocmd")
  au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$")
  \| exe "normal! g'\"" | endif
endif

" Cleaning up tabs and spaces in file
function! RemoveTrailingSpaces()
  %s/\s\+$//e
  %s/
  //ge
endfunction

function! ConvertTabsToSpaces()
  %retab
endfunction

function! CleanFile()
  call ConvertTabsToSpaces()
  call RemoveTrailingSpaces()
endfunction

" Key binding \f to clean up file
nmap <silent> <leader>f <Esc>:call CleanFile()<CR>

" Fold lines starting with input arg
" function! FoldSomething(lnum)
" let line1=getline(a:lnum)
" if line2=~#'^\s*;'
" return >1
" endif
" return =
" endfunction

"set foldexpr=FoldSomething(v:lnum)
" set foldmethod=expr
" set foldcolumn=3
" finish

" command! FL :call FoldSomething()