"""""""""""""""
" SHORTCUTS "
"""""""""""""
"   F1          help
"   S-F1        open vimrc
"   F2          open file in a new tab
" S-F2          Split and open file
"   F3          autotags Update
" S-F3          autotags Add
"   F4          open include file
"   F5          find C symbol
"   F6          go to definition
"   F7          go to calls
"   F8          view tag list
" S-F8          Open DB building menu
" M-F8          build kernel ctags/cscope databases
"   F9          Open NerdTree
" M-F9          Show diff line
" S-F9          Highlight diff line
"   F10         folding
" S-F10         unfolding
"   F11         unhighlight search
"   F12         paste mode
" C-left/right  switch tab
" C-up/down     switch window
" M-left/right  horizontal size
" M-up/down     vertical size
" gc            comment/uncomment
" C-K           indent selection
" \-a           Set Kernel Coding style
" Use snippets with tab e.g : for <tab> (see .vim/bundle/vim-snippets/snippets for available
" snippets)
" look at :help index
" or
" :verbose map <key>
" or for all keys
":redir! > vim_maps.txt
":map " Normal, visual, select and operator bindings
":map! "insert and command-line mode bindings
":redir END
"""""""""""
" GENERAL "
"""""""""""
" move around where there is no char, insert space when inserting
set virtualedit=all
" disable vi-compatible mode
set nocompatible

" Switch syntax highlighting on when the terminal has colors or when using the
" GUI (which always has colors).
if &t_Co > 2 || has("gui_running")
        " Revert with ":syntax off".
        syntax on

        " I like highlighting strings inside C comments.
        " Revert with ":unlet c_comment_strings".
        let c_comment_strings=1
endif

filetype plugin on
" enable file type detection and do language-dependent indenting
filetype plugin indent on
"set clipboard=unnamed
" Add to .vimrc to enable project-specific vimrc

"set exrc
"set secure

" exrc allows loading local executing local rc files.
" secure disallows the use of :autocmd, shell and write commands in local .vimrc files.

" save undo trees in files
set undofile
set undodir=~/.vim/undo

" number of undo saved
set undolevels=10000

""""""""
" SAVE "
""""""""
" disable backup
set nobackup
" save before compilation
set autowrite
" Put these in an autocmd group, so that you can revert them with:
" ":augroup vimStartup | au! | augroup END"
augroup vimStartup
        au!

        " When editing a file, always jump to the last known cursor position.
        " Don't do it when the position is invalid or when inside an event handler
        " (happens when dropping a file on gvim).
        autocmd BufReadPost *
                                \ if line("'\"") >= 1 && line("'\"") <= line("$") |
                                \   exe "normal! g`\"" |
                                \ endif

augroup END

" command line history
set history=1000
set tabpagemax=50

" Check that file have not been changed
" CursorHold : after cursor move
" WinEnter or BufWinEnter
au WinEnter * checktime
au BufWinEnter * checktime

"""""""""
" INPUT "
"""""""""
" allow backspacing in insert mode
set backspace=indent,eol,start
" don't use Ex mode, use Q for formatting
map Q gq
" Enable mouse for 'a'll mode
set mouse=a
" key combination timeout
set notimeout
"set timeoutlen=4000
" set timeout for multicharacter keys codes (like <F1>)
set ttimeout
" set timeout to tenth of a second (could be increased for slow terminals)
set ttimeoutlen=100
" key event timeout
set updatetime=1000

" Use hjkl-movement between rows when soft wrapping.
nnoremap j gj
nnoremap k gk
vnoremap j gj
vnoremap k gk

" move visual block around
vnoremap <S-Down> :m '>+1<cr>gv=gv
vnoremap <S-Up> :m '<-2<cr>gv=gv
vnoremap <S-Right> >gv
vnoremap <S-Left> <gv
"""""""""""
" DISPLAY "
"""""""""""
" highlight the cursor line
set cursorline
" show the cursor position
set ruler
" show mode
set showmode
" display incomplete commands
set showcmd
" display line number"
set number
" set status line
set statusline=%<%f\ %h%w%m%r%3.(\ %)%{fugitive#statusline()}%=%([%{Tlist_Get_Tagname_By_Line()}]%)%3.(\ %)%-14.(%l,%c%V%)\ %P
" always display status line
set laststatus=2
set showcmd		" display incomplete commands
set wildmenu		" display completion matches in a status line

" show bad white spaces
let c_space_errors = 1
let python_space_error_highlight = 1
highlight link cSpaceError SpaceError
highlight link pythonSpaceError SpaceError
highlight SpaceError ctermfg=235 cterm=reverse

"""""""""""""""
" INDENTATION "
"""""""""""""""
" use tabs at the start of a line, spaces elsewhere
set smarttab
set smartindent
set autoindent
"" tab=4
"set tabstop=4
"set softtabstop=4
"set shiftwidth=4
" tab=8
set tabstop=8
set softtabstop=8
set shiftwidth=8
" real tabs
" set noexpandtab


"filetype specific action
if has("autocmd")
        au Filetype markdown set tabstop=4 shiftwidth=4 softtabstop=4
        au BufRead,BufNewFile *.iris set ft=python
        au BufRead,BufNewFile *.ino set tabstop=4 shiftwidth=4 softtabstop=4
        au BufRead,BufNewFile *.asm set ft=nasm

        " python
        " autocmd FileType python set tabstop=4|set shiftwidth=4|set expandtab
        autocmd Filetype python set smartindent cinwords=if,elif,else,for,while,try,except,finally,def,class
        autocmd Filetype python set tabstop=4 shiftwidth=4 softtabstop=4
        autocmd Filetype python set expandtab
        autocmd Filetype python set modeline
        " Indentation with = for python need autopep8
        autocmd Filetype python set equalprg=autopep8\ -
        iab sefl self
        iab slef self

endif

" vim -b : edit binary using xxd-format!
augroup Binary
        au!
        au BufReadPre  *.bin let &bin=1
        au BufReadPost *.bin if &bin | %!xxd
        au BufReadPost *.bin set ft=xxd | endif
        au BufWritePre *.bin if &bin | %!xxd -r
        au BufWritePre *.bin endif
        au BufWritePost *.bin if &bin | %!xxd
        au BufWritePost *.bin set nomod | endif
augroup END


fu DetectIndent()
        execute system ('python2 ~/.vim/indent_finder/indent_finder.py --vim-output --default space --default-size ' . &tabstop .' "' . expand('%') . '"' )
        if &expandtab
                let b:clang_style="{BasedOnStyle: LLVM, AlignConsecutiveAssignments: true, AllowShortFunctionsOnASingleLine: Empty, BreakBeforeBraces: Linux, BreakStringLiterals: false, ColumnLimit: 95, IndentCaseLabels: true, IndentWidth: " .&shiftwidth .", TabWidth: " .&tabstop .", UseTab: Never}"
        else
                let b:clang_style="{BasedOnStyle: LLVM, AlignConsecutiveAssignments: true, AllowShortFunctionsOnASingleLine: Empty, BreakBeforeBraces: Linux, BreakStringLiterals: false, ColumnLimit: 95, IndentCaseLabels: true, IndentWidth: " .&shiftwidth .", TabWidth: " .&tabstop .", UseTab: ForContinuationAndIndentation}"
        endif
endfu

" detect indentation see http://www.freehackers.org/Indent_Finder
autocmd BufReadPost /* call DetectIndent()

map <C-K> :py3f ~/.vim/syntax/clang-format.py<CR>
imap <C-K> <ESC>:py3f ~/.vim/syntax/clang-format.py<CR>i

set wildignore+=*.o,*.d,*.dex,*.class,*.png,*.jpeg,*.jpg,*.pdf

""""""""""
" SEARCH "
""""""""""

" highlight search
set hlsearch
" unhighlight current search
map <silent> <F11> :nohlsearch<CR>
imap <F11> <ESC><F11>a
" highlight search while typing
set incsearch
" show matching brackets -> key %
set showmatch
" tenths of a second before blink matching brackets
set mat=5
" search word and list lines to jump with F3
" map <F3> [I:let nr = input("Which one: ") <Bar>execute "normal " . nr ."[\t"<CR>
" go to declaration with F5
" map <silent> <F5> gd:nohlsearch<CR>
" imap <F5> <ESC><F5>i

" plugin taglist
let Tlist_Ctags_Cmd = '/usr/bin/ctags'
let Tlist_Process_File_Always = 1
let Tlist_Exit_OnlyWindow = 1
"let Tlist_Close_On_Select = 1
let Tlist_Auto_Highlight_Tag = 1
let Tlist_Display_Prototype = 0
let Tlist_Display_Tag_Scope = 0
let Tlist_Show_One_File = 1
let Tlist_Compact_Format = 1
let Tlist_Enable_Fold_Column = 0
" sort by name or order ?
let Tlist_Sort_Type = "name"
"let Tlist_File_Fold_Auto_Close = 1
let Tlist_Inc_Winwidth = 0
"let Tlist_Use_Horiz_Window = 1
let Tlist_Use_Right_Window = 1
" open/close tag list window with F8
"map <silent> <F8> :TlistToggle<CR>
nmap <F8> :TagbarToggle<CR>

" close preview window after a completion
if has("autocmd")
        autocmd CursorMovedI *.{[hc],cpp} if pumvisible() == 0|pclose|endif
        autocmd InsertLeave *.{[hc],cpp} if pumvisible() == 0|pclose|endif
endif

function! TagInNewTab()
        let word = expand("<cword>")
        redir => tagsfiles
        silent execute 'set tags'
        redir END
        tabe
        execute 'setlocal' . strpart(tagsfiles, 2)
        execute 'tag ' . word
endfunction

map    <C-S-I>    :call TagInNewTab()<CR>

"""""""""
" PASTE "
"""""""""
" set/unset paste mode with F12/shift+F12
map <F12> :set paste<CR>
map <S-F12> :set nopaste<CR>
imap <F12> <C-O>:set paste<CR>
imap <S-F12> <nop>
set pastetoggle=<S-F12>
" paste with reindent with Esc prefix
"nnoremap <Esc>P P'[v']=
"nnoremap <Esc>p p'[v']=

""""""""""
" WINDOW "
""""""""""
" create window below or at right of the current one
set splitbelow
set splitright
" if multiple windows
if bufwinnr(1)
        " vertically increase/decrease window size with alt+up/alt+down
        nnoremap <M-Up>    :TmuxNavigateUp<cr>
        nnoremap <M-Right> :TmuxNavigateRight<cr>
        imap <M-Up>    <ESC>:TmuxNavigateUp<cr>
        imap <M-Right> <ESC>:TmuxNavigateRight<cr>
        "        " horizontally increase/decrease window size with alt+right/alt+left
        nnoremap <M-Left>  :TmuxNavigateLeft<cr>
        nnoremap <M-Down>  :TmuxNavigateDown<cr>
        imap <M-Left>  <ESC>:TmuxNavigateLeft<cr>
        imap <M-Down>  <ESC>:TmuxNavigateDown<cr>
        " switch to next/previous tab with ctrl+right/ctrl+left
        map <C-Right> gt
        map <C-Left> gT
        imap <C-Right> <ESC><C-Right>a
        imap <C-Left> <ESC><C-Left>a
        " switch to next/previous window with ctrl+down/ctrl+up
        map <C-Down> <C-W>w
        map <C-Up> <C-W>W
        imap <C-Down> <ESC><C-Down>a
        imap <C-Up> <ESC><C-Up>a
endif
" open automatically quickfix window
if has("autocmd")
        autocmd QuickFixCmdPost * cw
endif

" open a file in the same directory as the current file with F2 and split with shift+F2
map <F2> :tabe <C-R>=expand("%:h") . "/"<CR>
nmap <S-F2> :split <C-R>=expand("%:h") . "/"<CR>

""""""""
" HELP "
""""""""
" allow embedded man page
runtime! ftplugin/man.vim
" show vimrc with shift+F1
nmap <silent> <S-F1> :tabe ~/.vimrc<CR>gg
imap <S-F1> <Esc><S-F1>
" show contextual help with F1
function Help()
        try
                if exists('b:current_syntax') && b:current_syntax == "python"
                        :call ShowPyDoc(expand("<cword>"), 1)
                elseif has_key(g:LanguageClient_serverCommands, &filetype)
                        :call LanguageClient#textDocument_hover()
                else
                        execute "Man " . expand("<cword>")
                endif
        catch /:E149:/
                execute "help " . expand("<cword>")
        endtry
endfunction
nmap <silent> <F1> :call Help()<CR>
imap <F1> <Esc><F1>
" show VIM help with alt+shift+F1
nmap <silent> <M-S-F1> :help <C-R>=expand("<cword>")<CR><CR>
imap <M-S-F1> <Esc><M-S-F1>

"""""""""
" TOOLS "
"""""""""
" show git diff when committing
let g:git_diff_spawn_mode = 1

" zf#j creates a fold from the cursor down # lines.
"zf/string creates a fold from the cursor to string .
"zj moves the cursor to the next fold.
"zk moves the cursor to the previous fold.
"zo opens a fold at the cursor.
"zO opens all folds at the cursor.
"zm increases the foldlevel by one.
"zM closes all open folds.
"zr decreases the foldlevel by one.
"zR decreases the foldlevel to zero -- all folds will be open.
"zd deletes the fold at the cursor.
"zE deletes all folds.
"[z move to start of open fold.
"]z move to end of open fold.

" fold form this bracket
nmap <F10> zfa{<CR><CR>
" unfold or use End
nmap <S-F10> zo<CR><CR>
" Autosave folding
"au BufWinLeave * mkview
" Autoload folding
"au BufWinEnter * silent loadview


""""""""""""""""""""""""""""""""""""""""""""""""""
"Omni-completion par CTRL-X_CTRL-O
"""""""""""""""""""""""""""""""""""""""""""""""""""
set omnifunc=syntaxcomplete#Complete

" Enable omnicppcompletion
let OmniCpp_ShowAccess = 0
let OmniCpp_LocalSearchDecl=1
let OmniCpp_MayCompleteDot = 1 " autocomplete after .
let OmniCpp_MayCompleteArrow = 1 " autocomplete after ->
let OmniCpp_MayCompleteScope = 1 " autocomplete after ::
set path+=**,..,/usr/local/include,/usr/include

"""""""""""""
" Latex		"
"""""""""""""
" package vim-latexsuite
" Insert the following line in your ~/.vim/ftplugin/tex.vim file:
" imap <buffer> <leader>it <Plug>Tex_InsertItemOnThisLine
" compile with \ll
set grepprg=grep\ -nH\ $*
let g:tex_flavor = "pdflatex"
imap <buffer> <leader>it <Plug>Tex_InsertItemOnThisLine
let g:Tex_DefaultTargetFormat="pdf"

if has('gui_running')
        colorscheme darkblue
else
        colorscheme mycolor
endif
cnoremap sudow w !sudo tee % >/dev/null
" Allow saving of files as sudo when I forgot to start vim using sudo.
"cmap w!! w !sudo tee > /dev/null %
cnoremap w!! execute 'silent! write !sudo tee % >/dev/null' <bar> edit!
"""""""""""
" NerdTree
"""""""""""
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTreeType") && b:NERDTreeType == "primary") | q | endif
map <F9>   :NERDTreeToggle<CR>

"""""""""""
" GitGutter
"""""""""""
map <M-F9> :GitGutterSignsToggle <CR>
map <S-F9> :GitGutterLineHighlightsToggle <CR>

""""""""""
" LocalConfig
""""""""""

if filereadable(expand('~/.vimrc.local'))
        " Plugins list and settings should be loaded
        " only once. Load local_settings block
        let g:local_plugins = 0
        let g:local_settings = 1
        source ~/.vimrc.local
        " Look for .vimrc in working dir
        " Restrict cmdline as this could be seen as security issue
        set exrc
        set secure
endif

""""""""""
" W3m
""""""""""
let g:w3m#external_browser = 'firefox'

""""""""""
" Kernel
""""""""""
let g:linuxsty_patterns = [ "/usr/src/", "/linux" ]
nnoremap <silent> <leader>a :LinuxCodingStyle<cr>

""""""""""
" Debug
""""""""""

"Or start vim with -V[VERBOSENUMBER][FILE]
function! ToggleVerbose()
        if !&verbose
                set verbosefile=~/.log/vim/verbose.log
                set verbose=15
        else
                set verbose=0
                set verbosefile=
        endif
endfunction

""""""""
" Spell
""""""""
" do :set spelllang+=XX to install language
set spelllang=fr,en
" Ctrl-L correct last error
inoremap <C-l> <c-g>u<Esc>[s1z=`]a<c-g>u

"set list
"set listchars=eol:⏎,tab:▸·,trail:␠,nbsp:⎵

""""""""
" GPG
""""""""

augroup encrypted
  au!
  autocmd BufReadPre,FileReadPre *.gpg set viminfo=
  autocmd BufReadPre,FileReadPre *.gpg set noswapfile noundofile nobackup
  autocmd BufReadPre,FileReadPre *.gpg set bin
  autocmd BufReadPre,FileReadPre *.gpg let ch_save = &ch|set ch=2
  autocmd BufReadPost,FileReadPost *.gpg '[,']!gpg --decrypt 2> /dev/null
  autocmd BufReadPost,FileReadPost *.gpg set nobin
  autocmd BufReadPost,FileReadPost *.gpg let &ch = ch_save|unlet ch_save
  autocmd BufReadPost,FileReadPost *.gpg execute ":doautocmd BufReadPost " . expand("%:r")
  autocmd BufWritePre,FileWritePre *.gpg '[,']!gpg --default-recipient-self -ae 2>/dev/null
  autocmd BufWritePost,FileWritePost *.gpg u
augroup END

"""""""""
" Plugin"
"""""""""
" for autotags plugin
let g:autotags_pycscope_cmd = '/usr/local/bin/pycscope'

"Using vundle
"cf. https://github.com/gmarik/Vundle.vim
":PluginInstall to install them
set rtp+=~/.vim/bundle/Vundle.vim/
call vundle#begin()

" let Vundle manage Vundle, required
Plugin 'gmarik/Vundle.vim'

" Show current modified line
Plugin 'airblade/vim-gitgutter'
" Communication with git
Plugin 'tpope/vim-fugitive'
" Support for Gbrowse
Plugin 'tpope/vim-rhubarb'
" Comment block of code
Plugin 'tpope/vim-commentary'
" Make terminal vim and tmux work better together for Focus.
Plugin 'tmux-plugins/vim-tmux-focus-events'
" language pack
Plugin 'sheerun/vim-polyglot'
" color even for terminal without gui... 
" Plugin 'vim-scripts/CSApprox'
" Same as gitgutter but for other cvs
"Plugin mhinz/vim-signify

" echofunc -> what is the current function
Plugin 'mbbill/echofunc'

" What to test some color ?
Plugin 'vim-scripts/Colour-Sampler-Pack.git'

"More VCS Management
Plugin 'vim-scripts/vcscommand.vim'

" More Snippets :
Plugin 'tomtom/tlib_vim'
Plugin 'MarcWeber/vim-addon-mw-utils'
Plugin 'honza/vim-snippets'
Plugin 'garbas/vim-snipmate'
Plugin 'sirver/ultisnips'
let g:UltiSnipsExpandTrigger = '<tab>'
let g:UltiSnipsListSnippets = '<s-tab>'
let g:UltiSnipsJumpForwardTrigger = '<tab>'
let g:UltiSnipsJumpBackwardTrigger = '<s-tab>'

" Filesystem exploration
Plugin 'scrooloose/nerdtree'

" Python completion
"Plugin 'klen/python-mode'
"" Python Bundle
"Plugin  'davidhalter/jedi-vim'
"Plugin  'scrooloose/syntastic'
"Plugin  'majutsushi/tagbar'
"Plugin  'Yggdroot/indentLine'
Plugin 'fs111/pydoc.vim'

" Omni completion for cpp
Plugin 'vim-scripts/OmniCppComplete'

" List current file function
" let $GIT_SSL_NO_VERIFY = 'true'
Plugin 'gitlab@gitlab.mathux.org:Mathieu/taglist.git'
" Tagbar look like a maintened taglist
Plugin 'majutsushi/tagbar'

" Fuzzy finder
Plugin 'junegunn/fzf'
nnoremap <silent> <leader>o :FZF<CR>
nnoremap <silent> <leader>O :FZF!<CR>

if v:version >= 800
        " Async lint
        "Plugin 'w0rp/ale'
        let g:ale_fixers = {
                \   '*': ['remove_trailing_lines', 'trim_whitespace'],
                \}
        Plugin 'autozimu/LanguageClient-neovim', {
                                \ 'oninstall': 'bash install.sh',
                                \ }
        let g:LanguageClient_serverCommands = {
                                \ 'cpp': ['clangd', '-background-index',],
                                \ 'c': ['clangd', '-background-index',],
                                \ }

        function LC_maps()
                if has_key(g:LanguageClient_serverCommands, &filetype)
                        nmap <buffer> <silent> K <Plug>(lcn-hover)
                        nmap <buffer> <silent> gd <Plug>(lcn-definition)
                        nmap <buffer> <silent> cr <Plug>(lcn-rename)
                        map <C-F1> <Plug>(lcn-menu)
                endif
        endfunction
        autocmd FileType * call LC_maps()
else
        "Syntax checking | Install flake8 or pylint for python
        " Install shellcheck for bash
        Plugin 'vim-syntastic/syntastic'
                let g:syntastic_c_checkers = ['gcc', 'cppcheck']
                "let g:syntastic_cpp_compiler = 'clang++'
                "let g:syntastic_cpp_compiler_options = '-std=c++14'
endif

"Android integration
"Plugin 'hsanson/vim-android'
"        let g:android_sdk_path="~/Android/Sdk/"
"background task
Plugin 'tpope/vim-dispatch'
"Completion (need more configuration for python, c# ...)
"Plugin 'Valloric/YouCompleteMe'
" VimWiki
Plugin 'vimwiki/vimwiki'
let g:vimwiki_list=[{'path':'~/.vim/vimwiki'}]
Plugin 'mattn/calendar-vim'
" Use \w\w to create new diary entry.
" use :Diary to view all on them
command! Diary VimwikiDiaryIndex
augroup vimwikigroup
    autocmd!
    " automatically update links on read diary
    autocmd BufRead,BufNewFile diary.wiki VimwikiDiaryGenerateLinks
augroup end

" Align
" eg. to align on the "=" do :'<,'>Align =
Plugin 'vim-scripts/Align'

" open file at the given line with the file.txt:20 syntax
" But it's screw up the git commit message
"Plugin 'bogado/file-line'

" % match if/then/else/html ...
Plugin 'tmhedberg/matchit'

" Kernel Formatting
Plugin 'gregkh/kernel-coding-style.git'

" Web browsing
"Plugin 'yuratomo/w3m.vim'

" Recognize Key in screen/tmux
"Plugin 'drmikehenry/vim-fixkey'
set term=xterm-256color

Plugin 'tpope/vim-surround'
	" Maps ss to surround word. e.g. ss] to add [] around word
	nmap ss ysiw
	" Maps sl to surround line
	nmap sl yss
	" Surround Visual selection
	vmap s S

"Grammar Checking
Plugin 'rhysd/vim-grammarous'

Plugin 'junegunn/goyo.vim'
Plugin 'junegunn/limelight.vim'
autocmd! User GoyoEnter Limelight
autocmd! User GoyoLeave Limelight!

"Complete delimiters
Plugin 'Raimondi/delimitMate.git'

Plugin 'Yggdroot/LeaderF'

"Vim session
Plugin 'tpope/vim-obsession'
Plugin 'mhinz/vim-startify'
let g:startify_commands = [
                        \ ['Plugin Update', 'PluginUpdate'],
                        \ ['Plugin Install', 'PluginInstall'],
                        \ ['Vim Wiki', 'VimwikiIndex'],
                        \]
let g:startify_custom_header = []

Plugin 'vim-pandoc/vim-pandoc'
let g:pandoc#modules#disabled = ["folding"]
Plugin 'vim-pandoc/vim-pandoc-syntax'

"Unicode research
"Plugin 'chrisbra/unicode.vim'

" Tig explorer
Plugin 'iberianpig/tig-explorer.vim'

" LaTex
Plugin 'lervag/vimtex'
let g:tex_flavor='latex'
let g:vimtex_view_method='zathura'
let g:vimtex_quickfix_mode=0
set conceallevel=1
let g:tex_conceal='abdmg'
" not compatible with LaTeX-Box included in polyglot
let g:polyglot_disabled = ['latex']

" Visual incrementation. increment in block with ctrl-A
Plugin 'triglav/vim-visual-increment'
set nrformats=alpha,octal,hex

Plugin 'christoomey/vim-tmux-navigator'
let g:tmux_navigator_no_mappings=1

Plugin 'junegunn/vim-peekaboo'

Plugin 'patashish704/pandoc-complete'
call vundle#end()