"Plug auto-install
if 0
    if(!isdirectory(expand("~/.config/nvim/autoload/plug.vim")))
        call system(expand("mkdir -p ~/.config/nvim/autoload"))
        call system(expand("curl -fLo ~/.config/nvim/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim"))
    endif
endif

" Specify a directory for plugins
" - For Neovim: ~/.local/share/nvim/plugged
" - Avoid using standard Vim directory names like 'plugin'
call plug#begin('~/.vim/plugged')

"Apperance
Plug 'vim-airline/vim-airline-themes'
Plug 'scrooloose/syntastic'
Plug 'flazz/vim-colorschemes'
" Plug 'yggdroot/indentline'
Plug 'altercation/vim-colors-solarized'
Plug 'powerline/fonts'
Plug 'rafi/awesome-vim-colorschemes'

"Windows and Features
Plug 'bling/vim-airline'
Plug 'majutsushi/tagbar'
Plug 'scrooloose/nerdtree'
" Plug 'SearchComplete'
Plug 'junegunn/fzf', {'dir': '~/.zzf', 'do': './install -all'}
Plug 'junegunn/fzf.vim'
Plug 'tpope/vim-fugitive'
Plug 'scrooloose/syntastic'

"Motions
Plug 'easymotion/vim-easymotion'
Plug 'tpope/vim-surround'
Plug 'tpope/vim-commentary'
" Plug 'godlygeek/tabular'
Plug 'jiangmiao/auto-pairs'
Plug 'junegunn/vim-easy-align'

"Language specific plugins
" Plug 'mxw/vim-jsx'
Plug 'jelera/vim-javascript-syntax'
Plug 'tellijo/vim-react-native-snippets'
Plug 'hail2u/vim-css3-syntax'
Plug 'ap/vim-css-color'

"AutoCompletion
Plug 'autozimu/LanguageClient-neovim', {
    \ 'branch': 'next',
    \ 'do': 'bash install.sh',
    \ },
Plug 'honza/vim-snippets'
Plug 'ervandew/supertab'
if has('nvim')
    Plug 'Shougo/deoplete.nvim', {'do': ':UpdateRemotePlugins'}
    " Plug 'roxma/nvim-completion-manager'
else
    Plug 'Shougo/deoplete.nvim'
    Plug 'roxma/nvim-yarp'
    Plug 'roxma/vim-hug-neovim-rpc'
endif
Plug 'sirver/ultisnips'

"---------------------------------------------------------------------------------
" Initialize plugin system
call plug#end()

"Gvim menu options and theme options
set guioptions-=m "remove menu bar
set guioptions-=T "remove toolbar
set guioptions-=r "remove right-hand scroll bar
set guioptions-=L "remove left-hand scrollbar
set background=dark
colorscheme apprentice
set guifont=Ubuntu_Mono:h13:cANSI:qDRAFT


" Colorize line numbers in insert and visual modes
"---------------------------------------------------------------------------------
function! Setcursorlinenrcolorinsert(mode) abort
    " insert mode: blue
    if a:mode == "i"
        highlight cursorlinenr ctermfg=10 guifg=green
        highlight cursor ctermbg=10 guibg=green

    " replace mode: red
    elseif a:mode == "r"
        highlight cursor ctermbg=1 guibg=#dc322f
        highlight cursorlinenr ctermfg=1 guifg=#dc322f
    endif
endfunction

""this needs to be fixed too
" function! Setcursorlinenrcolorvisual() abort
"     set updatetime=0

"     " visual mode: orange
"     highlight cursorlinenr cterm=none ctermfg=9 guifg=#cb4b16
" endfunction

function! Resetcursorlinenrcolor() abort
    set updatetime=4000
    highlight cursorlinenr ctermfg=4 guifg=#268bd2
    highlight cursor ctermbg=4 guibg=#268bd2
endfunction

augroup cursorlinenrcolorswap
    autocmd!
    autocmd insertenter * call Setcursorlinenrcolorinsert(v:insertmode)
    autocmd insertleave * call Resetcursorlinenrcolor()
    autocmd cursorhold * call Resetcursorlinenrcolor()
augroup END

""this needs to be fixed
" vnoremap <silent> <expr> <sid>Setcursorlinenrcolorvisual Setcursorlinenrcolorvisual()
" vnoremap <silent> <expr> <sid>Setcursorlinenrcolorvisual Setcursorlinenrcolorvisual()
" nnoremap <silent> <script> v v<sid>Setcursorlinenrcolorvisual
" nnoremap <silent> <script> v v<sid>Setcursorlinenrcolorvisual
" nnoremap <silent> <script> <c-v> <c-v><sid>Setcursorlinenrcolorvisual

""set insert mode block cursor
"set gcr=n:blinkon0
"set gcr=i:blinkon0
"---------------------------------------------------------------------------------

set encoding=utf-8

"on search highlight instances
set hlsearch


"ex mode command completion
set wildmenu

"search ignore capital letters
set ignorecase
set smartcase

"complete search pattern by pressing enter and cancel with esc
set incsearch

"display line number
set number

"display line relative to position
set relativenumber

"each time a new or existing file is edited,
"vim will try to recognize the type of the file and set the 'filetype' option.
"this will trigger the filetype event, which can be used to set the syntax highlighting,
"set options, etc.
filetype plugin indent on
syntax on
autocmd filetype * setlocal formatoptions-=c formatoptions-=r formatoptions-=o

"doesn't wrap lines
set nowrap
"convert tab to spaces
set expandtab
"show existing tab with 8 spaces
set tabstop=8
"when indending with > or <, use 4 spaces
set shiftwidth=4

set smarttab
set splitright
set splitbelow

"Auto indentation smart and more strict c indentation
set autoindent
" set smartindent
set cindent
set copyindent

"Show commands/letters i'm typing
set showcmd

set backspace=indent,eol,start
set history=1000
set undolevels=1000
set title
set visualbell
set noerrorbells
set pastetoggle=<F2>

"Guide lines
" set listchars=tab:\|\
" set list

"---------------------------------------------------------------------------------
"Leader
let mapleader = "\<space>"

"Split window navigation and settings
nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>

"Resize Windows
nnoremap <C-Up> <C-W>-
nnoremap <C-Down> <C-W>+
nnoremap <C-Right> <C-W>>
nnoremap <C-Left> <C-W><

nnoremap <F4> :NERDTreeToggle <CR>
nnoremap <F8> :TagbarToggle<CR>
nnoremap <leader>w :w<CR>
nnoremap <leader>q :q<CR>
nnoremap <leader>f :FZF<CR>

" nnoremap <leader><leader> <leader><leader>s
imap jk <Esc>
imap JK <Esc>


"Easy align
nmap ga <Plug>(EasyAlign)
xmap ga <Plug>(EasyAlign)

"Better copy paste
nnoremap <leader>y "*y
nnoremap <leader>p "*p
nnoremap <leader>Y "+y
nnoremap <leader>P "+p


"---------------------------------------------------------------------------------
""Airline
"let g:airline#extensions#tabline#enabled = 1
"let g:airline_powerline_fonts = 1
"let g:Powerline_symbols='unicode'
"let g:airline_left_sep = "\uE0B0"
"let g:airline_right_sep = "\uE0B2"

"let g:airline_theme='dark'
"let g:airline#extensions#tabline#formatter = 'default'
"let g:airline_symbols_ascii = 1
"let g:airline_section_z = airline#section#create(["\uE0A1" . '%{line(".")}' . "\uE0A3" . '%{col(".")}'])
"---------------------------------------------------------------------------------
"You complete me and ultisnips settings
let g:ycm_global_ycm_extra_conf= '~/.vim/.ycm_global_ycm_extra_conf.py'
set completeopt-=preview
" let g:ycm_show_diagnostics_ui = 0
" let g:ycm_enable_diagnostic_signs = 0
" let g:ycm_enable_diagnostic_highlighting = 0
" let g:ycm_echo_current_diagnostic = 0

" make YCM compatible with UltiSnips (using supertab)
let g:ycm_key_list_select_completion = ['<C-n>', '<Down>']
let g:ycm_key_list_previous_completion = ['<C-p>', '<Up>']
let g:SuperTabDefaultCompletionType = '<C-n>'

" better key bindings for UltiSnipsExpandTrigger
let g:UltiSnipsExpandTrigger = "<tab>"
let g:UltiSnipsJumpForwardTrigger = "<tab>"
let g:UltiSnipsJumpBackwardTrigger = "<s-tab>"

"---------------------------------------------------------------------------------
"Nerdtree
let NERDTreeShowLineNumbers=1
autocmd FileType nerdtree setlocal relativenumber

"---------------------------------------------------------------------------------
"Deoplete
let g:deoplete#enable_at_startup=1

 " Whether to include the types of the completions in the result data. Default: 0
 let g:deoplete#sources#ternjs#types = 1

 " Whether to include the distance (in scopes for variables, in prototypes for
 " properties) between the completions and the origin position in the result
 " data. Default: 0
 let g:deoplete#sources#ternjs#depths = 1

 " Whether to include documentation strings (if found) in the result data.
 " Default: 0
 let g:deoplete#sources#ternjs#docs = 1

 " When on, only completions that match the current word at the given point will
 " be returned. Turn this off to get all results, so that you can filter on the
 " client side. Default: 1
 let g:deoplete#sources#ternjs#filter = 0

 " Whether to use a case-insensitive compare between the current word and
 " potential completions. Default 0
 let g:deoplete#sources#ternjs#case_insensitive = 1

 " When completing a property and no completions are found, Tern will use some
 " heuristics to try and return some properties anyway. Set this to 0 to
 " turn that off. Default: 1
 let g:deoplete#sources#ternjs#guess = 0

 " Determines whether the result set will be sorted. Default: 1
 let g:deoplete#sources#ternjs#sort = 0

 " When disabled, only the text before the given position is considered part of
 " the word. When enabled (the default), the whole variable name that the cursor
 " is on will be included. Default: 1
 let g:deoplete#sources#ternjs#expand_word_forward = 0

 " Whether to ignore the properties of Object.prototype unless they have been
 " spelled out by at least two characters. Default: 1
 let g:deoplete#sources#ternjs#omit_object_prototype = 0

 " Whether to include JavaScript keywords when completing something that is not
 " a property. Default: 0
 let g:deoplete#sources#ternjs#include_keywords = 1

 " If completions should be returned when inside a literal. Default: 1
 let g:deoplete#sources#ternjs#in_literal = 0


" Add extra filetypes
 let g:deoplete#sources#ternjs#filetypes = [
                 \ 'jsx',
                 \ 'javascript.jsx',
                 \ 'vue',
                 \ '...'
                 \ ]

"----------------------------------------
" Automatically start language servers.
" let g:LanguageClient_autoStart = 1

" Required for operations modifying multiple buffers like rename.
set hidden
set completefunc=LanguageClient#complete

let g:LanguageClient_serverCommands = {
    \ 'javascript': ['javascript-typescript-stdio'],
    \ 'python': ['pyls'],
    \ 'c': ['ccls', '--log-file=/tmp/cc.log'],
    \ 'cpp': ['ccls', '--log-file=/tmp/cc.log'],
    \ }

nnoremap <F6> :call LanguageClient_contextMenu()<CR>
" Or map each action separately
nnoremap <silent> <leader>lh :call LanguageClient#textDocument_hover()<CR>
nnoremap <silent> <leader>ld :call LanguageClient#textDocument_definition()<CR>
nnoremap <silent> <leader>lr :call LanguageClient#textDocument_rename()<CR>

" Run specific language and compile it
autocmd filetype c nnoremap <F5> :w <CR> :!gcc % && ./a.out <CR>
autocmd filetype cpp nnoremap <F5> :w <CR> :!g++ % && ./a.out <CR>