if v:version < 800
    set syntax=off
    set noloadplugins
    finish
endif

" fix indent for normal paste by mouse
if has('patch-8.0.0238')
    set nofixendofline
    if $TERM =~ "xterm" || $TERM =~ "foot"
        let &t_BE = "\<Esc>[?2004h"
        let &t_BD = "\<Esc>[?2004l"
        let &t_PS = "\<Esc>[200~"
        let &t_PE = "\<Esc>[201~"
    endif
endif

" Russian support commands
"set langmap=ФИСВУАПРШОЛДЬТЩЗЙКЫЕГМЦЧНЯ;ABCDEFGHIJKLMNOPQRSTUVWXYZ,фисвуапршолдьтщзйкыегмцчня;abcdefghijklmnopqrstuvwxyz
set langmap=ФТШРВНГОПСМЗЬДЫКЧЩЖЛАЮБИЕЁ;ABCDEFGHIJKLMNOPQRSTUVWXYZ,фтшрвнгопсмзьдыкчщжлаюбиеё;abcdefghijklmnopqrstuvwxyz

"set for support old config
nnoremap <F3> :set invnumber<CR>

" Add these in the basic settings section
set scrolloff=8        " Keep 8 lines above/below cursor
set sidescrolloff=8    " Keep 8 columns left/right of cursor
"set sj=-50              " -50 - half window on scroll, -100 - one page

set timeout timeoutlen=1000
set nocompatible
set encoding=utf-8
set viminfo=
filetype plugin indent on
set incsearch
set ignorecase
set smartcase
set linebreak
set textwidth=100
set wrap
set showbreak=↪\
set breakindent
set ttimeoutlen=0
set ttyfast
set clipboard=unnamed
set expandtab
set tabstop=4
set shiftwidth=4
set softtabstop=4
set autoindent
set nosmartindent

" Ensure mouse is completely disabled except for visual selection
set mouse=
set ttymouse=
set mousemodel=popup

set noshowmode
set nobackup
set nowritebackup
set history=100
set belloff=all

set directory=/tmp//    " for swap files (temp)

set modelines=0        " Disable modelines completely (security feature)

" Stricter formatting
set textwidth=100       " Line wrap at 100 chars
set formatoptions=tcqjn " Automatic formatting options
augroup NoAutoComment
    autocmd!
    autocmd BufEnter * setlocal formatoptions-=o formatoptions-=r
augroup END

" Enhanced editing behaviors
set autoindent          " Copy indent from current line when starting new line
set nosmartindent
set nocindent

set matchpairs+=<:>

" Terminal cursor mode section
let &t_SI = "\e[6 q"
let &t_EI = "\e[2 q"
let &t_TI = "\<Esc>[>4;2m"
let &t_TE = "\<Esc>[>4;m"

" Show problematic whitespace
set list
set listchars=tab:»\ ,extends:›,precedes:‹,nbsp:·,trail:·

" Make splits more natural
set splitbelow
set splitright

" Better command-line completion
set wildmode=longest:full,full
set wildmenu

" Large file handling (100 character line length limit)
let g:LargeFile = 1024 * 1024 * 10  " Define large file size (10MB), LOGS - welcome!

augroup LargeFile
    autocmd!
    autocmd BufReadPre *
        \ let f=getfsize(expand("<afile>")) |
        \ if f > g:LargeFile || f == -2 |
            \ set eventignore+=FileType |
            \ setlocal noswapfile |
            \ setlocal bufhidden=unload |
            \ setlocal buftype=nowrite |
            \ setlocal undolevels=-1 |
            \ setlocal synmaxcol=100 |
        \ else |
            \ set eventignore-=FileType |
        \ endif
augroup END

" config color for terminal emu
if !has('gui_running')
    set t_Co=256

    if has('termguicolors') && ($COLORTERM ==# 'truecolor' || $COLORTERM ==# '24bit')
        let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
        let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
        set termguicolors
    endif
endif

" My best color (righteous theme)
" First, disable all syntax
syntax clear
highlight clear

" Basic colors
if &term == "linux"
    " Console-specific (16 colors)
    hi String     cterm=NONE      ctermfg=2      ctermbg=NONE  " green
    hi Normal     cterm=NONE      ctermfg=7      ctermbg=NONE  " white
    hi Comment    cterm=NONE      ctermfg=8      ctermbg=NONE  " bright black (gray)
    hi Error      cterm=bold      ctermfg=1      ctermbg=NONE  " red
    hi MatchParen cterm=bold      ctermfg=5      ctermbg=NONE  " magenta

    hi SpecialKey cterm=NONE      ctermfg=6      ctermbg=NONE  " cyan (closest to #668b8b)
    hi NonText    cterm=NONE      ctermfg=6      ctermbg=NONE  " cyan (closest to #668b8b)
    hi Search     cterm=NONE      ctermfg=0      ctermbg=6     " black on cyan
    hi Visual     cterm=NONE      ctermfg=0      ctermbg=6     " black on cyan
else
    " Terminal with 256 colors and truecolor
    hi String     cterm=NONE      ctermfg=72     ctermbg=NONE  gui=NONE      guifg=#5faf87   guibg=NONE
    hi Normal     cterm=NONE      ctermfg=247    ctermbg=NONE  gui=NONE      guifg=#93a1a1   guibg=NONE
    hi Comment    cterm=NONE      ctermfg=239    ctermbg=NONE  gui=NONE      guifg=#4e4e4e   guibg=NONE
    hi Error      cterm=bold      ctermfg=196    ctermbg=NONE  gui=bold      guifg=#E50000   guibg=NONE
    hi MatchParen cterm=bold      ctermfg=201    ctermbg=NONE  gui=bold      guifg=#fe1eff   guibg=NONE

    hi SpecialKey cterm=NONE      ctermfg=66     ctermbg=NONE  gui=NONE      guifg=#668b8b   guibg=NONE
    hi NonText    cterm=NONE      ctermfg=66     ctermbg=NONE  gui=NONE      guifg=#668b8b   guibg=NONE
    hi Search     cterm=NONE      ctermfg=16     ctermbg=66    gui=NONE      guifg=#000000   guibg=#668b8b
    hi Visual     cterm=NONE      ctermfg=16     ctermbg=66    gui=NONE      guifg=#000000   guibg=#668b8b
endif

" Set default (fallback) syntax for all files
syntax region String start='"' skip='\\"' end='"'    " Double quoted
syntax region String start="'" skip="\\'" end="'"    " Single quoted
syntax region String start='`' end='`'               " Backticks

" Language specific settings (combined syntax and formatting)
augroup programming_langs
    autocmd!
    " Clear old comments and define new ones
    autocmd FileType vim syntax clear Comment
    autocmd FileType vim syntax match MyVimLineComment '^[ \t]*".*$' contains=NONE
    autocmd FileType vim syntax match MyVimLineComment2 '\s"[^"]*$' contains=NONE
    autocmd FileType vim hi def link MyVimLineComment Comment
    autocmd FileType vim hi def link MyVimLineComment2 Comment

    " -----------------------------------------------------------------------
    " C-style languages (C, C++, Java)
    " Clear old comments and define new ones
    autocmd FileType c,cpp,java syntax clear Comment
    autocmd FileType c,cpp,java syntax match MyCLineComment "//.*$" contains=NONE
    autocmd FileType c,cpp,java hi def link MyCLineComment Comment
    autocmd FileType c,cpp,java syntax region MyCBlockComment start="/\*" end="\*/" contains=NONE
    autocmd FileType c,cpp,java hi def link MyCBlockComment Comment

    " -----------------------------------------------------------------------
    " C#/F#
    " Clear old comments and define new ones
    autocmd FileType cs,fsharp syntax clear Comment
    autocmd FileType cs,fsharp syntax match MyCsLineComment "//.*$" contains=NONE
    autocmd FileType cs,fsharp hi def link MyCsLineComment Comment
    autocmd FileType cs,fsharp syntax match MyCsTripleLineComment "///.*$" contains=NONE
    autocmd FileType cs,fsharp hi def link MyCsTripleLineComment Comment
    autocmd FileType cs,fsharp syntax region MyCsBlockComment start="/\*" end="\*/" contains=NONE
    autocmd FileType cs,fsharp hi def link MyCsBlockComment Comment

    " Keep string regions for C#
    autocmd FileType cs syntax region String start='@"' end='"'
    autocmd FileType cs syntax region String start='$"' end='"'
    autocmd FileType cs syntax region String start='$@"' end='"'
    autocmd FileType cs syntax region String start='"""' end='"""'
    autocmd FileType cs syntax region String start='$"""' end='"""'

    " -----------------------------------------------------------------------
    " Haskell
    " Clear old comments and define new ones
    autocmd FileType haskell syntax clear Comment
    autocmd FileType haskell syntax match MyHsLineComment "--.*$" contains=NONE
    autocmd FileType haskell hi def link MyHsLineComment Comment
    autocmd FileType haskell syntax region MyHsBlockComment start="{-" end="-}" contains=NONE
    autocmd FileType haskell hi def link MyHsBlockComment Comment

    " -----------------------------------------------------------------------
    " JavaScript/TypeScript
    " Clear old comments and define new ones
    autocmd FileType javascript,typescript,javascriptreact,typescriptreact syntax clear Comment
    autocmd FileType javascript,typescript,javascriptreact,typescriptreact syntax match MyJsLineComment "//.*$" contains=NONE
    autocmd FileType javascript,typescript,javascriptreact,typescriptreact hi def link MyJsLineComment Comment
    autocmd FileType javascript,typescript,javascriptreact,typescriptreact syntax region MyJsBlockComment start="/\*" end="\*/" contains=NONE
    autocmd FileType javascript,typescript,javascriptreact,typescriptreact hi def link MyJsBlockComment Comment

    " -----------------------------------------------------------------------
    " Python/Perl
    " Clear old comments and define new ones
    autocmd FileType python,perl syntax clear Comment
    autocmd FileType python,perl syntax match MyPyLineComment "#.*$" contains=NONE
    autocmd FileType python,perl hi def link MyPyLineComment Comment

    " Keep Python multi-line strings
    autocmd FileType python syntax region String start='"""' end='"""'
    autocmd FileType python syntax region String start="'''" end="'''"
    autocmd FileType python syntax region String start='r"' end='"'
    autocmd FileType python syntax region String start="r'" end="'"

    " -----------------------------------------------------------------------
    " Shell scripts
    " Clear old comments and define new ones
    autocmd FileType sh,bash syntax clear Comment
    autocmd FileType sh,bash syntax match MyShLineComment "#.*$" contains=NONE
    autocmd FileType sh,bash hi def link MyShLineComment Comment

    " -----------------------------------------------------------------------
    " SQL
    " Clear old comments and define new ones
    autocmd FileType sql syntax clear Comment
    autocmd FileType sql syntax match MySqlLineComment "--.*$" contains=NONE
    autocmd FileType sql hi def link MySqlLineComment Comment

    " Also clear and redefine string for SQL
    autocmd FileType sql syntax clear String
    autocmd FileType sql syntax region String start="'" skip="''" end="'"
    autocmd FileType sql syntax region String start='"' skip='""' end='"'

    " -----------------------------------------------------------------------
    " Lisp family
    " Clear old comments and define new ones
    autocmd FileType lisp,scheme,elisp,emacs-lisp syntax clear Comment
    autocmd FileType lisp,scheme,elisp,emacs-lisp syntax match MyLispLineComment ";.*$" contains=NONE
    autocmd FileType lisp,scheme,elisp,emacs-lisp hi def link MyLispLineComment Comment

    " -----------------------------------------------------------------------
    " HTML/XML
    autocmd FileType html,xml syntax clear Comment
    autocmd FileType html,xml syntax region MyHtmlComment start="<!--" end="-->" contains=NONE
    autocmd FileType html,xml hi def link MyHtmlComment Comment

    " CSS/SCSS/LESS
    autocmd FileType css,scss,sass,less syntax clear Comment
    autocmd FileType css,scss,sass,less syntax match MyCssLineComment "//.*$" contains=NONE
    autocmd FileType css,scss,sass,less hi def link MyCssLineComment Comment
    autocmd FileType css,scss,sass,less syntax region MyCssBlockComment start="/\*" end="\*/" contains=NONE
    autocmd FileType css,scss,sass,less hi def link MyCssBlockComment Comment

    " -----------------------------------------------------------------------
    " Go (keeps tabs)
    " Clear old comments and define new ones
    autocmd FileType go syntax clear Comment
    autocmd FileType go syntax match MyGoLineComment "//.*$" contains=NONE
    autocmd FileType go hi def link MyGoLineComment Comment
    autocmd FileType go syntax region MyGoBlockComment start="/\*" end="\*/" contains=NONE
    autocmd FileType go hi def link MyGoBlockComment Comment

    " -----------------------------------------------------------------------
    " Markdown and Plain text
    autocmd FileType markdown setlocal wrap linebreak nolist
    autocmd FileType markdown setlocal spell spelllang=en_us
    autocmd FileType text,mail setlocal wrap linebreak nolist
    autocmd FileType mail setlocal textwidth=72
    " Better Markdown syntax for multilingual content
    autocmd FileType markdown syntax clear
    autocmd FileType markdown syntax region markdownCode start=/```/ end=/```/ keepend contains=@NoSpell
    autocmd FileType markdown syntax region markdownCode start=/`/ end=/`/ keepend contains=@NoSpell
    autocmd FileType markdown syntax region
        \ markdownMultiLang start=/[^\x00-\x7F]/ end=/[^\x00-\x7F]\@!/ contains=@NoSpell oneline
    autocmd FileType markdown syntax match markdownUrl "\w\+://[^\])>]\+" contains=@NoSpell
    autocmd FileType markdown syntax match markdownReference "\[\d\+\]" contains=@NoSpell
    autocmd FileType markdown syntax match markdownCyrillic /[А-Яа-яЁё]\+/ contains=@NoSpell

    " -----------------------------------------------------------------------

    " YAML, TOML, Puppet (#-style comments)
    autocmd FileType yaml,toml,puppet syntax clear Comment
    autocmd FileType yaml,toml,puppet syntax match MyYamlLineComment "#.*$" contains=NONE
    autocmd FileType yaml,toml,puppet hi def link MyYamlLineComment Comment

    " JSON (//-style comments)
    autocmd FileType json syntax clear Comment
    autocmd FileType json syntax match MyJsonLineComment "//.*$" contains=NONE
    autocmd FileType json hi def link MyJsonLineComment Comment

    " INI (;-style comments)
    autocmd FileType ini syntax clear Comment
    autocmd FileType ini syntax match MyIniLineComment ";.*$" contains=NONE
    autocmd FileType ini hi def link MyIniLineComment Comment
augroup END

autocmd BufNewFile,BufRead * if expand('%:e') == '' | syntax clear Comment |
    \ syntax match MyNoExtComment "#.*$" contains=NONE |
    \ hi def link MyNoExtComment Comment | endif

" Custom syntax takes precedence (after languages)
syntax sync fromstart

" -------------------------------------------------------------------------------------------------
" Config end