" Fisa-nvim-config
" http://nvim.fisadev.com
" version: 9.5 beta

" TODO current problems:
" * end key not working undef tmux+fish

" ============================================================================
" Vim-plug initialization
" Avoid modify this section, unless you are very sure of what you are doing
let vim_plug_just_installed = 0
let vim_plug_path = expand('~/.config/nvim/autoload/plug.vim')
if !filereadable(vim_plug_path)
    echo "Installing Vim-plug..."
    echo ""
    silent !mkdir -p ~/.config/nvim/autoload
    silent !curl -fLo ~/.config/nvim/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
    let vim_plug_just_installed = 1
endif

" manually load vim-plug the first time
if vim_plug_just_installed
    :execute 'source '.fnameescape(vim_plug_path)
endif

" Obscure hacks done, you can now modify the rest of the .vimrc as you wish :)

" ============================================================================
" Active plugins
" You can disable or add new ones here:

" this needs to be here, so vim-plug knows we are declaring the plugins we
" want to use
call plug#begin('~/.config/nvim/plugged')

" Now the actual plugins:

Plug 'ntpeters/vim-better-whitespace'
Plug 'lervag/vimtex'

" Override configs by directory
Plug 'arielrossanigo/dir-configs-override.vim'

" Code commenter
Plug 'scrooloose/nerdcommenter'

" Better file browser
Plug 'scrooloose/nerdtree'

" Class/module browser
Plug 'majutsushi/tagbar'
" TODO known problems:
" * current block not refreshing

" Search results counter
Plug 'vim-scripts/IndexedSearch'

" Terminal Vim with 256 colors colorscheme
Plug 'patstockwell/vim-monokai-tasty'

" Airline
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'

" Code and files fuzzy finder
" Plug 'ctrlpvim/ctrlp.vim'
" Extension to ctrlp, for fuzzy command finder
" Plug 'fisadev/vim-ctrlp-cmdpalette'
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

" Pending tasks list
Plug 'fisadev/FixedTaskList.vim'

" Async autocompletion
"Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
" Completion from other opened files
"Plug 'Shougo/context_filetype.vim'
" Python autocompletion
"Plug 'zchee/deoplete-jedi', { 'do': ':UpdateRemotePlugins' }
" Just to add the python go-to-definition and similar features, autocompletion
" from this plugin is disabled
"Plug 'davidhalter/jedi-vim'

Plug 'neoclide/coc.nvim', {'branch': 'release'}
" Use tab for trigger completion with characters ahead and navigate.
" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
" other plugin before putting this into your config.
inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

" Use <c-space> to trigger completion.
inoremap <silent><expr> <c-space> coc#refresh()

" Use <cr> to confirm completion, `<C-g>u` means break undo chain at current
" position. Coc only does snippet and additional edit on confirm.
if has('patch8.1.1068')
  " Use `complete_info` if your (Neo)Vim version supports it.
  inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
else
  imap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
endif

" Use `[g` and `]g` to navigate diagnostics
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

" Use K to show documentation in preview window.
nnoremap <silent> K :call <SID>show_documentation()<CR>

function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  else
    call CocAction('doHover')
  endif
endfunction

" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming.
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code.
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)
" Add `:Format` command to format current buffer.
command! -nargs=0 Format :call CocAction('format')
" Mappings using CoCList:
" Show all diagnostics.
nnoremap <silent> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions.
nnoremap <silent> <space>e  :<C-u>CocList extensions<cr>
" Show commands.
nnoremap <silent> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document.
nnoremap <silent> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols.
nnoremap <silent> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
nnoremap <silent> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list.
nnoremap <silent> <space>p  :<C-u>CocListResume<CR>
" -- END COC SETUP --

" Automatically close parenthesis, etc
"Plug 'Townk/vim-autoclose'

" Surround
Plug 'tpope/vim-surround'

" Indent text object
Plug 'michaeljsmith/vim-indent-object'

" Indentation based movements
Plug 'jeetsukumaran/vim-indentwise'

" Better language packs
Plug 'sheerun/vim-polyglot'
let g:polyglot_disabled = ['latex']

" Ack code search (requires ack installed in the system)
Plug 'mileszs/ack.vim'
" TODO is there a way to prevent the progress which hides the editor?

" Paint css colors with the real color
Plug 'lilydjwg/colorizer'
" TODO is there a better option for neovim?

" Window chooser
Plug 't9md/vim-choosewin'

" Automatically sort python imports
Plug 'fisadev/vim-isort'

" Highlight matching html tags
Plug 'valloric/MatchTagAlways'

" Generate html in a simple way
Plug 'mattn/emmet-vim'

" Git integration
Plug 'tpope/vim-fugitive'

" Git/mercurial/others diff icons on the side of the file lines
Plug 'mhinz/vim-signify'

" Linters
"Plug 'neomake/neomake'
" TODO is it running on save? or when?
" TODO not detecting errors, just style, is it using pylint?

" Relative numbering of lines (0 is the current line)
" (disabled by default because is very intrusive and can't be easily toggled
" on/off. When the plugin is present, will always activate the relative
" numbering every time you go to normal mode. Author refuses to add a setting
" to avoid that)
Plug 'myusuf3/numbers.vim'


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


" Tell vim-plug we finished declaring plugins, so it can load them
call plug#end()

" ============================================================================
" Install plugins the first time vim runs

if vim_plug_just_installed
    echo "Installing Bundles, please ignore key map error messages"
    :PlugInstall
endif

" ============================================================================
" Vim settings and mappings
" You can edit them as you wish

" tabs and spaces handling
set expandtab
set tabstop=4
set softtabstop=4
set shiftwidth=4

" show line numbers
set nu

" use 256 colors when possible
colorscheme vim-monokai-tasty

" needed so deoplete can auto select the first suggestion
set completeopt+=noinsert
" comment this line to enable autocompletion preview window
" (displays documentation related to the selected completion option)
set completeopt-=preview

" autocompletion of files and commands behaves like shell
" (complete only the common part, list the options that match)
set wildmode=list:longest

" save as sudo
ca w!! w !sudo tee "%"

" tab navigation mappings
map tt :tabnew 
map <M-Right> :tabn<CR>
imap <M-Right> <ESC>:tabn<CR>
map <M-Left> :tabp<CR>
imap <M-Left> <ESC>:tabp<CR>

" when scrolling, keep cursor 3 lines away from screen border
set scrolloff=3

" clear search results
nnoremap <silent> // :noh<CR>

" clear empty spaces at the end of lines on save of python files
autocmd BufWritePre *.py :%s/\s\+$//e

" ============================================================================
" Plugins settings and mappings
" Edit them as you wish.

" Tagbar -----------------------------

" toggle tagbar display
map <F4> :TagbarToggle<CR>
" autofocus on tagbar open
let g:tagbar_autofocus = 1

" NERDTree -----------------------------

" toggle nerdtree display
map <F3> :NERDTreeToggle<CR>
" open nerdtree with the current file selected
nmap ,t :NERDTreeFind<CR>
" don;t show these file types
let NERDTreeIgnore = ['\.pyc$', '\.pyo$']

" Tasklist ------------------------------

" show pending tasks list
map <F2> :TaskList<CR>

" Neomake ------------------------------

" Run linter on write
"autocmd! BufWritePost * Neomake

" Fzf ------------------------------

" file finder mapping
nmap ,e :Files<CR>
" buffer search
nmap ,b :Buffers<CR>
" Ag search
nmap ,a :Ag<CR>
" tags (symbols) in current file finder mapping
nmap ,g :BTag<CR>
" tags (symbols) in all files finder mapping
nmap ,G :Tag<CR>
" general code finder in current file mapping
nmap ,f :BLines<CR>
" general code finder in all files mapping
nmap ,F :Lines<CR>
" commands finder mapping
nmap ,c :Commands<CR>
" to be able to call CtrlP with default search text
"function! CtrlPWithSearchText(search_text, ctrlp_command_end)
    "execute ':CtrlP' . a:ctrlp_command_end
    "call feedkeys(a:search_text)
"endfunction
" same as previous mappings, but calling with current word as default text
"nmap ,wg :call CtrlPWithSearchText(expand('<cword>'), 'BufTag')<CR>
"nmap ,wG :call CtrlPWithSearchText(expand('<cword>'), 'BufTagAll')<CR>
"nmap ,wf :call CtrlPWithSearchText(expand('<cword>'), 'Line')<CR>
"nmap ,we :call CtrlPWithSearchText(expand('<cword>'), '')<CR>
"nmap ,pe :call CtrlPWithSearchText(expand('<cfile>'), '')<CR>
"nmap ,wm :call CtrlPWithSearchText(expand('<cword>'), 'MRUFiles')<CR>
"nmap ,wc :call CtrlPWithSearchText(expand('<cword>'), 'CmdPalette')<CR>


" Ack.vim ------------------------------

" mappings
nmap ,r :Ack 
nmap ,wr :Ack <cword><CR>

" Window Chooser ------------------------------

" mapping
nmap  -  <Plug>(choosewin)
" show big letters
let g:choosewin_overlay_enable = 1

" Signify ------------------------------

" this first setting decides in which order try to guess your current vcs
" UPDATE it to reflect your preferences, it will speed up opening files
let g:signify_vcs_list = [ 'git', 'hg' ]
" mappings to jump to changed blocks
nmap <leader>sn <plug>(signify-next-hunk)
nmap <leader>sp <plug>(signify-prev-hunk)
" nicer colors
highlight DiffAdd           cterm=bold ctermbg=none ctermfg=119
highlight DiffDelete        cterm=bold ctermbg=none ctermfg=167
highlight DiffChange        cterm=bold ctermbg=none ctermfg=227
highlight SignifySignAdd    cterm=bold ctermbg=237  ctermfg=119
highlight SignifySignDelete cterm=bold ctermbg=237  ctermfg=167
highlight SignifySignChange cterm=bold ctermbg=237  ctermfg=227

" Autoclose ------------------------------

" Fix to let ESC work as espected with Autoclose plugin
" (without this, when showing an autocompletion window, ESC won't leave insert
"  mode)
let g:AutoClosePumvisible = {"ENTER": "\<C-Y>", "ESC": "\<ESC>"}

" Airline ------------------------------

let g:airline_powerline_fonts = 0
let g:airline_theme = 'bubblegum'
let g:airline#extensions#whitespace#enabled = 0

" to use fancy symbols for airline, uncomment the following lines and use a
" patched font (more info on docs/fancy_symbols.rst)
"if !exists('g:airline_symbols')
   "let g:airline_symbols = {}
"endif
"let g:airline_left_sep = '⮀'
"let g:airline_left_alt_sep = '⮁'
"let g:airline_right_sep = '⮂'
"let g:airline_right_alt_sep = '⮃'
"let g:airline_symbols.branch = '⭠'
"let g:airline_symbols.readonly = '⭤'
"let g:airline_symbols.linenr = '⭡'

set clipboard=unnamedplus inccommand=nosplit
set mouse=a
let g:tex_flavor = "latex"
au BufNewFile,BufRead *.tex,*.latex,*.sty,*.dtx,*.ltx set sw=2 sts=2

function PrintFile(fname)
   call system("gtklp " . a:fname)
   call delete(a:fname)
   return v:shell_error
endfunction
set printexpr=PrintFile(v:fname_in)

" TUT:
" color murphy