init.vim

call plug#begin('~/.config/nvim/plugged/')
if exists('g:vscode')
else
    " General Plugins
    Plug 'tpope/vim-commentary'
    Plug 'tpope/vim-repeat'
    Plug 'tpope/vim-surround'
    Plug 'ctrlpvim/ctrlp.vim'

    " Aesthetics
    Plug 'bling/vim-airline'
    Plug 'rakr/vim-one'

    " Autocompletion
    Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
    Plug 'deoplete-plugins/deoplete-lsp'
    Plug 'neovim/nvim-lspconfig'

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

    " php
    Plug 'StanAngeloff/php.vim'

    " java
    Plug 'tfnico/vim-gradle'

    " javascript
    Plug 'leafgarland/typescript-vim'

    " latex
    Plug 'lervag/vimtex'

    " haskell
    Plug 'neovimhaskell/haskell-vim'
    Plug 'ndmitchell/ghcid', { 'rtp': 'plugins/nvim' }

    " rust
    Plug 'rust-lang/rust.vim'

    " kotlin
    Plug 'udalov/kotlin-vim'
endif
call plug#end()

imap jj <esc>
tmap jj <C-\><C-n>

autocmd BufEnter term://* startinsert
autocmd BufLeave term://* stopinsert

augroup TerminalStuff
    au!
    autocmd TermOpen * setlocal nonumber norelativenumber
augroup END

set number
set cursorline
set splitbelow
set splitright

if (empty($TMUX))
  if (has("nvim"))
  let $NVIM_TUI_ENABLE_TRUE_COLOR=1
  endif
  if (has("termguicolors"))
    set termguicolors
  endif
endif

if exists('g:vscode')
else
    colorscheme one
    let g:airline_theme='one'
endif

if exists('g:gnvim')
    set guifont=Iosevka\ Nerd\ Font:h14
endif

nnoremap <A-1> 1gt
nnoremap <A-2> 2gt
nnoremap <A-3> 3gt
nnoremap <A-4> 4gt
nnoremap <A-5> 5gt
nnoremap <A-6> 6gt
nnoremap <A-7> 7gt
nnoremap <A-8> 8gt
nnoremap <A-9> 9gt
imap <A-1> <esc>1gt
imap <A-2> <esc>2gt
imap <A-3> <esc>3gt
imap <A-4> <esc>4gt
imap <A-5> <esc>5gt
imap <A-6> <esc>6gt
imap <A-7> <esc>7gt
imap <A-8> <esc>8gt
imap <A-9> <esc>9gt
tmap <A-1> <C-\><C-n>1gt
tmap <A-2> <C-\><C-n>2gt
tmap <A-3> <C-\><C-n>3gt
tmap <A-4> <C-\><C-n>4gt
tmap <A-5> <C-\><C-n>5gt
tmap <A-6> <C-\><C-n>6gt
tmap <A-7> <C-\><C-n>7gt
tmap <A-8> <C-\><C-n>8gt
tmap <A-9> <C-\><C-n>9gt


set history=500

filetype plugin on
filetype indent on

set autoread

let mapleader = ","
let g:mapleader = ","

command W w !sudo tee % > /dev/null


set so=7

let $LANG='en' 
set langmenu=en
source $VIMRUNTIME/delmenu.vim
source $VIMRUNTIME/menu.vim

set wildmenu

set wildignore=*.o,*~,*.pyc
if has("win16") || has("win32")
    set wildignore+=.git\*,.hg\*,.svn\*
else
    set wildignore+=*/.git/*,*/.hg/*,*/.svn/*,*/.DS_Store
endif

set ruler

set cmdheight=2

set hid

set backspace=eol,start,indent
set whichwrap+=<,>,h,l

" search
set ignorecase
set smartcase
set hlsearch
set incsearch 

set lazyredraw 

set magic

" matching brackets
set showmatch 
set mat=2

" No annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500

" Add a bit extra margin to the left
set foldcolumn=1

" Enable syntax highlighting
syntax enable 

" Enable 256 colors palette in Gnome Terminal
if $COLORTERM == 'gnome-terminal'
    set t_Co=256
endif

set background=dark

" Set extra options when running in GUI mode
if has("gui_running")
    set guioptions-=T
    set guioptions-=e
    set t_Co=256
    set guitablabel=%M\ %t
endif

" Set utf8 as standard encoding and en_US as the standard language
set encoding=utf8

" Use Unix as the standard file type
set ffs=unix,dos,mac

set nobackup
set nowb
set noswapfile

set expandtab
set smarttab
set shiftwidth=4
set tabstop=4

set lbr
set tw=500

set ai "Auto indent
set si "Smart indent
set wrap "Wrap lines

vnoremap <silent> * :<C-u>call VisualSelection('', '')<CR>/<C-R>=@/<CR><CR>
vnoremap <silent> # :<C-u>call VisualSelection('', '')<CR>?<C-R>=@/<CR><CR>

map <space> /
map <c-space> ?
map <silent> <leader><cr> :noh<cr>

map <C-j> <C-W>j
map <C-k> <C-W>k
map <C-h> <C-W>h
map <C-l> <C-W>l

map <leader>ä :bnext<cr>
map <leader>ö :bprevious<cr>

map <leader>tn :tabnew<cr>
map <leader>to :tabonly<cr>
map <leader>tc :tabclose<cr>
map <leader>tm :tabmove 
map <leader>tb :tabedit term://bash<CR>
map <leader>te :tabedit <c-r>=expand("%:p:h")<cr>/

" Let 'tl' toggle between this and the last accessed tab
let g:lasttab = 1
nmap <Leader>tl :exe "tabn ".g:lasttab<CR>
au TabLeave * let g:lasttab = tabpagenr()

try
  set switchbuf=useopen,usetab,newtab
  set stal=2
catch
endtry

" Return to last edit position when opening files (You want this!)
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif


""""""""""""""""""""""""""""""
" => Status line
""""""""""""""""""""""""""""""
" Always show the status line
set laststatus=2

map 0 ^

" Move a line of text using ALT+[jk] or Command+[jk] on mac
nmap <M-j> mz:m+<cr>`z
nmap <M-k> mz:m-2<cr>`z
vmap <M-j> :m'>+<cr>`<my`>mzgv`yo`z
vmap <M-k> :m'<-2<cr>`>my`<mzgv`yo`z

if has("mac") || has("macunix")
  nmap <D-j> <M-j>
  nmap <D-k> <M-k>
  vmap <D-j> <M-j>
  vmap <D-k> <M-k>
endif

" Delete trailing white space on save, useful for some filetypes ;)
fun! CleanExtraSpaces()
    let save_cursor = getpos(".")
    let old_query = getreg('/')
    silent! %s/\s\+$//e
    call setpos('.', save_cursor)
    call setreg('/', old_query)
endfun

if has("autocmd")
    autocmd BufWritePre *.txt,*.js,*.py,*.wiki,*.sh,*.coffee :call CleanExtraSpaces()
endif

if exists('g:vscode')
else

    " Don't close window, when deleting a buffer
    command! Bclose call <SID>BufcloseCloseIt()
    function! <SID>BufcloseCloseIt()
       let l:currentBufNum = bufnr("%")
       let l:alternateBufNum = bufnr("#")

       if buflisted(l:alternateBufNum)
         buffer #
       else
         bnext
       endif

       if bufnr("%") == l:currentBufNum
         new
       endif

       if buflisted(l:currentBufNum)
         execute("bdelete! ".l:currentBufNum)
       endif
    endfunction

    function! CmdLine(str)
        exe "menu Foo.Bar :" . a:str
        emenu Foo.Bar
        unmenu Foo
    endfunction 

    function! VisualSelection(direction, extra_filter) range
        let l:saved_reg = @"
        execute "normal! vgvy"

        let l:pattern = escape(@", "\\/.*'$^~[]")
        let l:pattern = substitute(l:pattern, "\n$", "", "")

        if a:direction == 'gv'
            call CmdLine("Ack '" . l:pattern . "' " )
        elseif a:direction == 'replace'
            call CmdLine("%s" . '/'. l:pattern . '/')
        endif

        let @/ = l:pattern
        let @" = l:saved_reg
    endfunction

    " Autocompletion

    let g:deoplete#enable_at_startup=1
    call deoplete#custom#source('_', 'max_menu_width', 0)

    inoremap <expr><tab> pumvisible() ? "\<c-n>" : "\<tab>"

    set completeopt=longest,menuone

    " LSP
    
    lua require'lspconfig'.rust_analyzer.setup({})
    nnoremap <leader>la :lua vim.lsp.buf.code_action()<CR>
    nnoremap <leader>lh <cmd>lua vim.lsp.buf.hover()<CR>
    nnoremap <leader>ln <cmd>lua vim.lsp.diagnostic.goto_next()<CR>
    let g:deoplete#lsp#use_icons_for_candidates=v:true 

    " rust
    let g:rustfmt_autosave = 1
endif