"__   _(_)_ __ ___  _ __ ___
"\ \ / / | '_ ` _ \| '__/ __|
" \ V /| | | | | | | | | (__
"  \_/ |_|_| |_| |_|_|  \___|

"(((((((((((( general settings ))))))))))))

"tab/indent
set tabstop=4
set softtabstop=4
set shiftwidth=4
set expandtab
set autoindent

"encoding/format
set encoding=utf-8
set fileformats=unix,dos,mac

"file/buffer
set autoread
set autowrite
set confirm

"display
set background=dark
set number
set wrap
set showbreak=↪\
set listchars=tab:→\ ,extends:›,precedes:‹,nbsp:·,trail:·,eol:¬
set foldmethod=marker
set lazyredraw
set regexpengine=1
set redrawtime=10000

"status bar
set showcmd
set wildmenu
set ruler
set laststatus=2

"search
set incsearch
set hlsearch
set ignorecase
set smartcase

"cursor behaviour
set virtualedit=block
set backspace=indent,eol,start
set showmatch
set scrolloff=2
set sidescrolloff=8

"input/timeout
set esckeys
set timeoutlen=1000 "for mappings
set ttimeoutlen=20 "for keycodes

"window behaviour (ltr)
set splitbelow
set splitright

"undo/bkup dirs
set undofile
set undodir=~/.vim/.undo//,/tmp//
set backupdir=~/.vim/.backup//,/tmp//
set directory=~/.vim/.swap//,/tmp//

"leader key
let mapleader=','

"(((((((((((( normal keybinds ))))))))))))
nnoremap <silent><leader><space> :let @/ = ""<CR>
nnoremap <leader>p :set invpaste<CR>
nnoremap <silent><leader>lb :call ToggleLineBreak()<CR>
nnoremap <silent><leader>wr :call ToggleWrap()<CR>
nnoremap <silent><leader>cc :call ToggleColorColumn()<CR>

nnoremap <leader>ts "=strftime("%F %T%z")<CR>p
nnoremap =j :%!python -m json.tool<CR>

"(((((((((((( abbreviations ))))))))))))
inoreabbrev <expr> #!! "#!/usr/bin/env"

"(((((((((((( commands ))))))))))))
cnoremap w!! w !sudo tee % > /dev/null
command! W w !sudo tee % > /dev/null
command! Trim %s/\s\+$//
command! Q q
command! WQ wq
command! Q1 q!

"(((((((((((( plugins ))))))))))))
if empty(glob('~/.vim/autoload/plug.vim'))
  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

"filetype may interfere with plugins
filetype off

call plug#begin('~/.vim/plugged')
	"## vim plug ##
    Plug 'junegunn/vim-plug'
    "## quality of life ##
    Plug 'tpope/vim-surround'
    Plug 'tpope/vim-commentary'
    Plug 'tpope/vim-unimpaired'
    Plug 'tpope/vim-rsi'
    Plug 'tpope/vim-eunuch'
    Plug 'tpope/vim-repeat'
    "## editorconfig ##
    Plug 'editorconfig/editorconfig-vim'
    "## git ##
    Plug 'tpope/vim-fugitive'
    Plug 'airblade/vim-gitgutter'
    "## terminal and tmux integration ##
    Plug 'tmux-plugins/vim-tmux-focus-events'
    Plug 'roxma/vim-tmux-clipboard'
    Plug 'tpope/vim-tbone'
    Plug 'wincent/terminus'
    "## language specific ##
	"javascript/css/html
    Plug 'pangloss/vim-javascript'
    Plug 'mattn/emmet-vim'
	"go
    Plug 'fatih/vim-go'
    "## colors, highlights and indents ##
    Plug 'machakann/vim-highlightedyank'
    "## linting ##
    Plug 'w0rp/ale'
call plug#end()

"(((((((((((( plugin keybinds ))))))))))))
nnoremap <silent><leader>e :call ToggleNetrw()<CR>
nnoremap <leader>at :ALEToggle<CR>
if !exists('##TextYankPost')
  map y <Plug>(highlightedyank)
endif

"(((((((((((( plugin settings ))))))))))))
function! SetPluginSettings()
    "netrw
    let g:netrw_banner = 0
    let g:netrw_winsize = 24
    let g:netrw_liststyle = 3
    let g:netrw_preview = 1
    let g:netrw_alto = 0
    let g:netrw_usetab = 1
    "git gutter
    augroup git_gutter
        if exists(':GitGutter')
            autocmd!
            let g:gitgutter_map_keys = 0 "don't use mapped keys
            autocmd BufWritePost * GitGutter "update GitGutter after writing
        endif
    augroup END
    if exists(':ALEToggle')
        let g:ale_fixers = {
        \   '*': ['remove_trailing_lines', 'trim_whitespace'],
        \   'javascript': ['eslint'],
        \}
        let g:ale_sign_error = '->'
        let g:ale_sign_warning = '--'
    endif
endfunction

"(((((((((((( general use functions ))))))))))))
function! ToggleColorColumn()
    if &cc == ''
        set cc=80
    else
        set cc=
    endif
endfunction

function! ToggleLineBreak()
    if &lbr == ''
        set fo+=t "Autowraps text with textwidth
        set fo-=l "Wraps long lines in --insert-- mode
        set lbr
    else
        set fo-=t
        set fo+=l
        set lbr!
    endif
endfunction

function! ToggleWrap()
    if &wrap == ''
        set wrap
    else
        set nowrap
    endif
endfunction

"make netrw toggleable
"https://vi.stackexchange.com/questions/10988/toggle-explorer-window
let g:NetrwIsOpen=0
function! ToggleNetrw()
    if g:NetrwIsOpen
        let i = bufnr("$")
        while (i >= 1)
            if (getbufvar(i, "&filetype") == "netrw")
                silent exe "bwipeout " . i
            endif
            let i-=1
        endwhile
        let g:NetrwIsOpen=0
    else
        let g:NetrwIsOpen=1
        silent Lexplore
    endif
endfunction

"(((((((((((( enable syntax/filetype ))))))))))))
syntax enable
filetype plugin indent on
runtime macros/matchit.vim

"(((((((((((( gui settings ))))))))))))
if has("gui_running")
	set guioptions -=m
	set guioptions -=T
  if has("gui_gtk2")
    set guifont=Inconsolata\ 12
  elseif has("gui_macvim")
    set guifont=Menlo\ Regular:h14
  elseif has("gui_win32")
    set guifont=Consolas:h10
  endif
endif

"(((((((((((( win32 settings ))))))))))))
if has('win32')
endif

"(((((((((((( auto commands ))))))))))))
if has("autocmd")
    "## global ##
    augroup set_plugin_settings
        autocmd!
        autocmd VimEnter * call SetPluginSettings()
    augroup END

    augroup auto_resize_windows
        autocmd!
        autocmd VimResized * wincmd =
    augroup END

    "## save cursor position in a file ##
    au BufReadPost * if line("'\"") > 1 && line("'\"")
    \ <= line("$") | exe "normal! g'\"" | endif

    "## language/filetype specific ##
    augroup filetype_shell
        autocmd!
        autocmd BufNewFile,BufRead *bash* set syntax=sh
    augroup END

    augroup filetype_python
        autocmd!
        autocmd FileType python xnoremap <leader>r <esc>:'<,'>:w !python3<CR>
    augroup END

    augroup filetype_go
        autocmd!
        set expandtab!
    augroup END

    augroup filetype_html
        autocmd!
        autocmd FileType html :syntax sync fromstart
    augroup END

    augroup half_tab
        autocmd!
        autocmd FileType html,javascript,css,json,yaml,yml,sh
        \ setlocal ts=2 sts=2 sw=2 expandtab
    augroup END

endif