" XDG Base Directory Specification
set runtimepath^=$XDG_CONFIG_HOME/vim
set runtimepath+=$XDG_DATA_HOME/vim
set runtimepath+=$XDG_CONFIG_HOME/vim/after

set packpath^=$XDG_DATA_HOME/vim,$XDG_CONFIG_HOME/vim
set packpath+=$XDG_CONFIG_HOME/vim/after,$XDG_DATA_HOME/vim/after

let g:netrw_home = $XDG_DATA_HOME."/vim"
call mkdir($XDG_DATA_HOME."/vim/spell", 'p')
set viewdir=$XDG_DATA_HOME/vim/view | call mkdir(&viewdir, 'p')

set backupdir=$XDG_CACHE_HOME/vim/backup | call mkdir(&backupdir, 'p')
set directory=$XDG_CACHE_HOME/vim/swap   | call mkdir(&directory, 'p')
set undodir=$XDG_CACHE_HOME/vim/undo     | call mkdir(&undodir,   'p')
let s:MRU_File = $XDG_CACHE_HOME."/vim/mru"


if !has('nvim') | set viminfofile=$XDG_CACHE_HOME/vim/viminfo | endif


source ~/.config/vim/plugin/plugins.vim

" Set leader
let mapleader = ","
noh

" Leader Mappings
map <Leader>w :update<CR>
map <Leader>q :qall<CR>
map <Leader>gs :Gstatus<CR>

" Recently edited files
map <Leader>h :History<CR>

" map gj and gk to j and k for seamless movement in tex
map j gj
map k gk

" CtrlP use FZF (faster!)
nnoremap <C-p> :Files<CR>
nnoremap <leader>b :Buffers<CR>
noremap <leader>u :w<Home>silent <End> !urlview<CR>

syntax on
filetype plugin on
autocmd Filetype scss if getfsize(@%) > 300 | setlocal syntax=OFF | endif

augroup twig_ft
  au!
  autocmd BufNewFile,BufRead *.html.inky   set syntax=eruby
augroup END


set autoread                          " Auto reload changed files
set wildmenu                          " Tab autocomplete in command mode
set backspace=indent,eol,start        " http://vi.stackexchange.com/a/2163
set laststatus=2                      " Show status line on startup
set splitright                        " Open new splits to the right
set splitbelow                        " Open new splits to the bottom
set lazyredraw                        " Reduce the redraw frequency
set ttyfast                           " Send more characters in fast terminals
set nowrap                            " Don't wrap long lines
set listchars=extends:→               " Show arrow if line continues rightwards
set listchars+=precedes:←             " Show arrow if line continues leftwards
set nobackup nowritebackup noswapfile " Turn off backup files
set noerrorbells novisualbell         " Turn off visual and audible bells
set expandtab shiftwidth=2 tabstop=2  " Two spaces for tabs everywhere
set history=500
set hidden                            " Save buffers automatically
set ignorecase smartcase              " Search queries intelligently set case
set incsearch                         " Show search results as you type
set timeoutlen=1000 ttimeoutlen=0     " Remove timeout when hitting escape
set showcmd                           " Show size of visual selection
set cmdheight=2
set t_Co=256
set clipboard=unnamedplus
set shortmess+=c
set updatetime=300
if has("patch-8.1.1564")
  " Recently vim can merge signcolumn and number column into one
  set signcolumn=number
else
  set signcolumn=yes
endif

" Persistent undo
set undodir=~/.local/share/vim/undo/
set undofile
set undolevels=1000
set undoreload=10000

" Ignored files/directories from autocomplete (and CtrlP)
set wildignore+=*/tmp/*
set wildignore+=*.so
set wildignore+=*.zip
set wildignore+=*/vendor/bundle/*
set wildignore+=*/node_modules/

"-------------------------------------------------------------------------------
" Interface
"-------------------------------------------------------------------------------
set number            " Enable line numbers
set scrolloff=5       " Leave 5 lines of buffer when scrolling
set sidescrolloff=10  " Leave 10 characters of horizontal buffer when scrolling

"-------------------------------------------------------------------------------
" Colors & Formatting
"-------------------------------------------------------------------------------

let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"

if (has("termguicolors"))
  set termguicolors
endif


let g:material_theme_style='ocean-community'
let g:material_style='ocean'


set background=dark
try
  colorscheme material
catch /^Vim\%((\a\+)\)\=:E185/
  colorscheme default
endtry

" Showcase comments in italics
highlight Comment cterm=italic gui=italic

" Easy tab navigation
nnoremap <C-Left> :tabprevious<CR>
nnoremap <C-Right> :tabnext<CR>

" Golang specific settings
let g:go_highlight_build_constraints = 1
let g:go_highlight_extra_types = 1
let g:go_highlight_fields = 1
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_operators = 1
let g:go_highlight_structs = 1
let g:go_highlight_types = 1
let g:go_auto_type_info = 1

let g:go_fmt_command = "goimports"

" Find/replace
vnoremap <C-r> "hy:%s/<C-r>h//g<left><left><left>

" Disable highlight
nnoremap <leader>e :noh<CR>

" let g:auto_save = 1  " enable AutoSave on Vim startup
" let g:auto_save_in_insert_mode = 0 " do not save in insert mode

" Get off my lawn - helpful when learning Vim :)
nnoremap <C-c> :echoe "Use Esc"<CR>
nnoremap <Left> :echoe "Use h"<CR>
nnoremap <Right> :echoe "Use l"<CR>
nnoremap <Up> :echoe "Use k"<CR>
nnoremap <Down> :echoe "Use j"<CR>

nnoremap <silent> <Leader>+ :exe "resize " . (winheight(0) * 3/2)<CR>
nnoremap <silent> <Leader>- :exe "resize " . (winheight(0) * 2/3)<CR>
let g:Tlist_WinWidth = 40

" Syntastic max file size for python
let g:syntastic_python_pylint_post_args="--max-line-length=120"

"-------------------------------------------------------------------------------
" Neovim-specific configurations
"-------------------------------------------------------------------------------

if has('nvim')
  let $NVIM_TUI_ENABLE_TRUE_COLOR=1
  set termguicolors


  " Fix vim-tmux-navigator <C-h> https://git.io/viGRU
  nmap <BS> <C-W>h

  " Fix vim-tmux-navigator <C-h> https://git.io/vS5QH
  nmap <BS> :<C-u>TmuxNavigateLeft<CR>
endif


" Don't clear clipboard on exit
autocmd VimLeave * call system("xsel -ib", getreg('+'))

" Useful for GDB debugging
packadd termdebug

" Use skeleton files
if has("autocmd")
    augroup templates
        autocmd BufNewFile *.* silent! execute '0r ~/.local/share/vim/templates/skeleton.'.expand("<afile>:e")
        autocmd BufNewFile * %substitute#\[:VIM_EVAL:\]\(.\{-\}\)\[:END_EVAL:\]#\=eval(submatch(1))#ge
    augroup END

    autocmd BufWinLeave *.tex !texclear %:p
endif