" Source external config files.
source $NVIM_VIMRC/plugins.vim
source $NVIM_VIMRC/backups.vim
source $NVIM_VIMRC/abbreviations.vim


" Searching & Patterns --------------------------------------------{{{

set incsearch nohlsearch
set ignorecase smartcase " searches are only case-sensitive when an uppercase letter is used.
set showmatch " Briefly jump to matching brackets when new bracket is inserted.
set gdefault " Default g flag on searches.
set startofline " Seaches start at the first non-blank character or a line instead of the current cursor position.

"Set command and modifyer timeouts
set timeout
set timeoutlen=800
set ttimeoutlen=100

"}}}
" Text Display & Colorscheme --------------------------------------{{{

" Solarized, dark, with true color support and patched nerd font.
colorscheme solarized
set background=dark
set guifont=Meslo_LG_S_DZ_Regular_for_Powerline_Nerd_Font_Complete:h12

" Force true colour on, since vim can’t detect it within tmux.
let &t_8f="\<Esc>[38;2;%lu;%lu;%lum"
let &t_8b="\<Esc>[48;2;%lu;%lu;%lum"


" Line/relative numbers and number gutter col width.
set number relativenumber numberwidth=4
set cursorline " Cursor highlighting.
set wrap linebreak " Wrap words and word break at end of lines.
set nolist " Disable list when using wrap + linebreak.
set textwidth=0 " No window width limit.
set fileformat=unix " Set <EOL>, prevent conversion errors in Git.
set encoding=utf8 fileencoding=utf8 " Set UTF-8 encoding.
set conceallevel=1 " Allow syntax concealing with symbols.

"set scrolloff=1 " Number of context lines above and below cursor"
" set list " Cannot have listchars with linebreak.
" set listchars=tab:▸\ ,eol:¬,trail:␠,nbsp:⎵,precedes:←,extends:→


"}}}
" Hightlighting ---------------------------------------------------{{{

" Enable italicized comments (requires xterm-256color-italic).
highlight Comment cterm=italic


"}}}
" Windows & Buffers -----------------------------------------------{{{

" Change the current working directory whenever you open a file,
" switch buffers, delete a buffer or open/close a window.
set autochdir

" Open new files even if current buffer has unsaved changes.
set hidden

"set noequalalways " Do not automatically resize windows


"}}}
" Messages & Info -------------------------------------------------{{{

set showcmd " Shows typed commands in the botton right.
set laststatus=2 " Set the status bar such that it always displays.

"set noshowmode " Hide the mode title bar.


"}}}
" Tabs & Indenting ------------------------------------------------{{{

" set autoindent " Next line indent defaults to the same space.
set tabstop=4 shiftwidth=4 softtabstop=4 " Set tab spacing.
set shiftround " Round non mutiples of tabs to the shiftwidth multiple.

"set smartindent
"set expandtab


"}}}
" Text Editing ----------------------------------------------------{{{

" Make all yanking/deleting operations automatically copy to the system
" clipboard (works with tmux).
set clipboard=unnamedplus

" Normal backspace behaviour.
set backspace=indent,eol,start
set history=1000 undolevels=5000
set noerrorbells visualbell t_vb=
" Allow copy and pasting to Vim since Sierra upgrade.

"highlight ColorColumn ctermbg=magenta
"set colorcolumn=81 "Dividing column to limit code length
"call matchadd('ColorColumn', '\%81v', 100) "Column highlights when text reaches.
"call matchadd('ColorColumn', '\%>80v', 100) "Highlight everything past the 80th column


"}}}
" Folding ---------------------------------------------------------{{{

" Enable folds with a fold column of 3.
set foldenable foldcolumn=3

"}}}
"Diff Mode --------------------------------------------------------{{{

"Stores a temporary copy of the file in the current buffer (including latest changes) and diffs it against the
"version of the file on your hard drive.
function! DiffWithFileFromDisk()
	let filename=expand('%')
	let diffname = filename.'.fileFromBuffer'
	exec 'saveas! '.diffname
	diffthis
	vsplit
	exec 'edit '.filename
	diffthis
endfunction


"}}}
" Mappings --------------------------------------------------------{{{

let mapleader = ","

" Normal Mode -----------------------------------------------------{{{

" ** Note: the <C-h>, <C-j> <C-k> and <C-l> mappings are already mapped
" by the vim-tmux-navigator plugin as shown below:

" nnoremap <silent> <C-h>  :TmuxNavigateLeft<CR>
" nnoremap <silent> <C-j>  :TmuxNavigateDown<CR>
" nnoremap <silent> <C-k>  :TmuxNavigateUp<CR>
" nnoremap <silent> <C-l>  :TmuxNavigateRight<CR>
" nnoremap <silent> <C-h>  :TmuxNavigatePrevious<CR>



" Edit/source .vimrc|init.vim
nnoremap <silent> <leader>ev :tabe $MYVIMRC<CR>
nnoremap <silent> <leader>sv :so $MYVIMRC<CR>


" Automatically set search patterns in 'very magic' mode.
" nnoremap / /\v


" Call custom diffmode function (see Diff Mode section).
nnoremap <F7> :call DiffWithFileFromDisk()<CR>


"_____ File Manipulation _____

" Yank from the cursor to the end of the line.
nnoremap Y y$


" Yank the current line and paste it below/above.
nnoremap yj yyp
nnoremap yk yyP


" Copy the current buffer path to the clipboard
nnoremap cp :let @+ = expand("%:p")<CR>


" Change entire line.
nnoremap cc 0C


" Enter inserts a newline.
nnoremap <CR> i<CR><ESC>k$


" Add a marker in register a when moving to the bottom of the page.
nnoremap G mhG
nnoremap gg mggg


" Toggle folds open and close.
nnoremap <space> za


"_____ Window/Buffer Navigation _____

" Move between buffers (Use Prefix +h/j/k/l key in tmux).
nnoremap gh <C-w>h
nnoremap gj <C-w>j
nnoremap gk <C-w>k
nnoremap gl <C-w>l
" Close window
nnoremap gc <C-w>c


" Reposition buffers.
nnoremap gH <C-w>H
nnoremap gJ <C-w>J
nnoremap gK <C-w>K
nnoremap gL <C-w>L


" Buffer next/previous.
nnoremap gn :bn<CR>
nnoremap gp :bp<CR>
" nnoremap gq :q<CR>


" Create a new vertical split.
nnoremap gs <C-W>v


" Allow movements over wrapped lines.
nnoremap j gj
nnoremap k gk
nnoremap $ g$
nnoremap 0 g0
nnoremap p gp


"_____ Help File Navigation _____
nnoremap <silent> <RIGHT> :cnext<CR>
nnoremap <silent> <RIGHT><RIGHT> :cnfile<CR><C-G>
nnoremap <silent> <LEFT> :cprev<CR>
nnoremap <silent> <LEFT><LEFT> :cpfile<CR><C-G>


"_____ Not In Use _____
" nnoremap <BS> :noh<CR>

" Open current file in google chrome
" nnoremap <F5> :exe ':silent !chrome %'<CR>


"}}}
" Insert Mode -----------------------------------------------------{{{

" Exit insert mode (must have classic).
inoremap jj <ESC>


" Insert a newline above/below current line & preserve indentation.
inoremap JJ <ESC>o
inoremap KK <ESC>O


" Move up/down a line in insert mode.
inoremap GJ <DOWN>
inoremap GK <UP>


"Insert a semi-colon at the end of the line.
inoremap ;; <ESC>A;<ESC>


"_____ Omni-Complete _____

"inoremap ,o <C-x><C-o>
" Remap onmi menu up/down navigation.
" inoremap <C-j> <C-n>
" inoremap <C-k> <C-p>


"_____ Not In Use _____
"inoremap == <C-r>=


"}}}
" Command Mode ----------------------------------------------------{{{

" Write all buffers active/hidden buffers.
cnoremap W<CR> wa<CR>


"}}}


"}}}
" Command Line Editing --------------------------------------------{{{

set wildmenu
set wildmode=full:longest,full


"}}}
"Autocommands -----------------------------------------------------{{{

augroup vimrc
	autocmd!
    autocmd BufWritePost,BufWinLeave *.*
    \   if expand('%') != '' && &buftype !~ 'nofile'
    \|      mkview
    \|  endif
    autocmd BufRead,BufWinEnter *.*
    \   if expand('%') != '' && &buftype !~ 'nofile'
    \|      silent! loadview
    \|  endif
augroup END


" Remembers the cursor position upon re-entering a buffer.
" autocmd BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$") | exe "normal g'\"" | endif

" autocmd GUIEnter * set visualbell t_vb=



"_____ Automatically Equalize Splits _____
augroup AutomaticallyResizeWindows
	autocmd!
	autocmd VimResized * wincmd =
augroup END


"_____ Highlights Extra Whitespace _____
" highlight ExtraWhitespace ctermbg=red guibg=red
" match ExtraWhitespace /\s\+$/
" autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
" autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
" autocmd InsertLeave * match ExtraWhitespace /\s\+$/
" autocmd BufWinLeave * call clearmatches()


augroup SetFoldmethodAndFoldLevel
	autocmd!
	autocmd FileType javascript,typescript,json setlocal foldmethod=syntax
	autocmd FileType javascript,html,css,scss,typescript setlocal foldlevel=99
augroup END


"TODO: Autocommand to load sessions. Look further into this. Change the
"session.vim name**
" autocmd VimEnter * call LoadSession()
" autocmd VimLeave * call SaveSession()
" function! SaveSession()
"     execute 'mksession! $VIMRC_CONFIG/.vim/sessions/session.vim'
" endfunction
" function! LoadSession()
"     if argc() == 0
"         execute 'source $VIMRC_CONFIG/.vim/sessions/session.vim'
"     endif
" endfunction


"}}}
" Functions -------------------------------------------------------{{{

" Source function definitions.
source $NVIM_VIMRC/functions.vim

nnoremap <Leader>q :call DeleteCurBufferNotCloseWindow()<CR>


"}}}
" Plugins ---------------------------------------------------------{{{

"NERD TREE --------------------------------------------------------{{{
"_____ Globals _____
let NERDTreeMinimalUI=1 " Simply the UI.
let g:NERDTreeQuitOnOpen=1 " Close NERD Tree when opening file.
let NERDTreeAutoDeleteBuffer=1 " Automatically delete buffers of files deleted with NerdTree.
let NERDTreeCascadeSingleChildDir=0 " Do not collapse dirs with one child.
"let NERDTreeChDirMode=2
" let NERDTreeShowBookmarks=1
" let NERDTreeIgnore=['\~$','\.pyc$', '\.swp$']
" let NERDTreeSortOrder=['^__\.py$','\/$','*','\.swp$','\~$']


"_____ Mappings _____
" Toogle NERTree open/close.
nnoremap <leader>n :NERDTreeToggle<CR>

" Open the current file in NERDTree.
nnoremap <silent> <leader>v :NERDTreeFind<CR>


"_____ Autocommands _____
augroup CustomNERDTreeMappings
	autocmd!
	" Open NERDTree when no arguments are supplied.
	autocmd StdinReadPre * let s:std_in=1
	autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif

	" Space opens/closes files/directories.
	autocmd FileType nerdtree nmap <buffer> <space> o
augroup END


"}}}

"NERD TREE COMMENTER ----------------------------------------------{{{
"_____ Globals _____
let NERDSpaceDelims=1
let NERDCompactSexyComs=1
let NERDDefaultAlign='start'
let NERDTrimTrailingWhitespace=1


"}}}

"NERDTREE GIT PLUGIN ----------------------------------------------{{{
let g:NERDTreeIndicatorMapCustom = {
	\ "Modified"  : "",
    \ "Staged"    : "✚",
    \ "Untracked" : "✭",
    \ "Renamed"   : "➜",
    \ "Unmerged"  : "═",
    \ "Deleted"   : "✖",
    \ "Dirty"     : "✗",
    \ "Clean"     : "✔︎",
    \ 'Ignored'   : '',
    \ "Unknown"   : "?"
    \ }

let g:WebDevIconsOS = 'Darwin' " Set MacOS specific glyps (avoid system() call).
let g:NERDTreeShowIgnoredStatus = 1 " Show ignored git files (might affect performance).
" let g:WebDevIconsUnicodeDecorateFolderNodes = 1 " Enable folder glyphs.


"}}}

" COMPLETION MANAGER ----------------------------------------------{{{
"_____ Globals _____
set shortmess+=c


"_____ Mappings _____
inoremap <expr> <CR> (pumvisible() ? "\<c-y>\<CR>" : "\<CR>")


"}}}

" EASY MOTION -----------------------------------------------------{{{
"_____ Mappings _____
nmap <Leader>f <Plug>(easymotion-bd-w)
nmap <Leader>w <Plug>(easymotion-overwin-w)


"}}}

" AIRLINE TAB -----------------------------------------------------{{{
"_____ Globals _____
let g:airline_solarized_bg='dark'
let g:airline#extensions#tabline#enabled = 1
"let g:airline#extensions#bufferline#enabled = 1
let g:airline#extensions#tabline#formatter = 'jsformatter'
let g:airline_powerline_fonts = 1 "Allow Powerline Fonts
"Define straight tab seperators
"let g:airline#extensions#tabline#left_sep = ' '
"let g:airline#extensions#tabline#left_alt_sep = '|'


"}}}

" ULTISNIPS -------------------------------------------------------{{{
"_____ Globals _____
let g:UltiSnipsSnippetsDir ="~/.config/nvim/UltiSnips/" " Default snippets :UltiSipsEdits directory
let g:UltiSnipsEnableSnipMate = 0 " Disable search for Snipmate snippets
let g:UltiSnipsEditSplit="vertical" " :UltiSipsEdits splits vertically

" Key Bindings.
let g:UltiSnipsExpandTrigger = "<tab>"
let g:UltiSnipsJumpForwardTrigger = "<tab>"
let g:UltiSnipsJumpBackwardTrigger = "<s-tab>"
" let g:UltiSnipsJumpForwardTrigger = "<C-j>"
" let g:UltiSnipsJumpBackwardTrigger = "<C-k>"

" Global Snippets Config
let g:ultisnips_javascript = {
     \ 'semi': 'never',
     \ }


"_____ Abbreviations _____
cnoreabbrev editsnips :UltiSnipsEdit<CR>


"_____ Autocommands _____
autocmd FileType html UltiSnipsAddFiletypes javascript


"}}}

" CTRLP -----------------------------------------------------------{{{
"_____ Globals _____
" let g:ctrlp_working_path_mode = 'ra' " Search within these nearest ancestors: .git .hg .svn .bzr _darcs
" let g:ctrlp_extensions = ['dir'] " Default dir name search
" let g:ctrlp_user_command = ['.git', 'cd %s && git ls-files -co --exclude-standard'] " Ignore files in .gitignore
" let g:ctrlp_cmd = 'CtrlP'


"}}}

" FZF -----------------------------------------------------------{{{
"_____ Globals _____
" Customize fzf colors to match the color scheme.
let g:fzf_colors =
\ { 'fg':      ['fg', 'Normal'],
  \ 'bg':      ['bg', 'Normal'],
  \ 'hl':      ['fg', 'Comment'],
  \ 'fg+':     ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
  \ 'bg+':     ['bg', 'CursorLine', 'CursorColumn'],
  \ 'hl+':     ['fg', 'Statement'],
  \ 'info':    ['fg', 'PreProc'],
  \ 'border':  ['fg', 'Ignore'],
  \ 'prompt':  ['fg', 'Conditional'],
  \ 'pointer': ['fg', 'Exception'],
  \ 'marker':  ['fg', 'Keyword'],
  \ 'spinner': ['fg', 'Label'],
  \ 'header':  ['fg', 'Comment'] }

let g:fzf_history_dir = '~/.config/.fzf/fzf-history'


"_____ Globals _____
nnoremap <C-t> :GFiles<CR>

"}}}

" VIM FUGITIVE ----------------------------------------------------{{{
"_____ Globals _____
" Make EditorConfig comptible with Fugitive plugin/avoid loading remote files over ssh.
let g:EditorConfig_exclude_patterns = ['fugitive://.*', 'scp://.*']


"_____ Abbreviations _____
" cnoremap gs<CR> Gstatus<CR>


"}}}

" JAVASCRIPT LIBRARIES SYNTAX ------------------------------------{{{
"_____ Globals _____
let g:used_javascript_libs = 'underscore,react,flux,ramda,requirejs,jquery' " Set libraries used


"}}}

" VIM JAVASCRIPT --------------------------------------------------{{{
"_____ Globals _____
let g:javascript_plugin_flow = 1
let g:javascript_plugin_jsdoc = 1
let g:javascript_plugin_ngdoc = 1
let g:javascript_conceal_NaN = "ℕ"
let g:javascript_conceal_null = "ø"
let g:javascript_conceal_this = "@"
let g:javascript_conceal_super = "Ω"
let g:javascript_conceal_static = "•"
let g:javascript_conceal_return = "⇚"
let g:javascript_conceal_function = "ƒ"
let g:javascript_conceal_undefined = "¿"
let g:javascript_conceal_prototype = "¶"
let g:javascript_conceal_arrow_function = "⇒"
let g:javascript_conceal_noarg_arrow_function = "λ"
"let g:javascript_conceal_underscore_arrow_function = "λ"


"}}}

" VIM JS CONTEXT COLORING -----------------------------------------{{{
"_____ Globals _____
let g:js_context_colors_enabled = 0
let g:js_context_colors_highlight_function_names = 1
let g:js_context_colors_jsx = 1


"_____ Mappings _____
autocmd FileType javascript,typescript nnoremap <buffer> <leader>h :JSContextColorToggle<CR>

"}}}

" ALE -------------------------------------------------------------{{{
"_____ Globals _____
let g:ale_sign_error = '✘'
let g:ale_statusline_format = ['X %d', '? %d', '']
" %linter% is the name of the linter that provided the message
" %s is the error or warning message
let g:ale_echo_msg_format = '%linter% says %s'
" Limit linters used for JavaScript.
"let g:ale_linters = {
"\  'javascript': ['flow', 'eslint']
"\}


"_____ Mappings _____
" Next and previous error msg
nnoremap <leader>an :ALENextWrap<CR>
nnoremap <leader>ap :ALEPreviousWrap<CR>


"}}}

" EMMET -----------------------------------------------------------{{{
"_____ Globals _____
" Replace class with className.
let g:user_emmet_settings = {
\  'javascript.jsx' : {
\      'extends' : 'jsx',
\  },
\}


"}}}

" DELIMITMATE -----------------------------------------------------{{{
"_____ Globals _____
let delimitMate_expand_cr = 1 " Expand pairs into block.
let delimitMate_expand_space = 1 " Space pairs evenly.


"_____ Mappings _____
" Fix delimitMate_expand_cr functionality
imap <expr> <CR> delimitMate#WithinEmptyPair() ?
			 \ "<Plug>delimitMateCR" :
			 \ "<CR>"


"}}}

" VIM NOTES -------------------------------------------------------{{{
"_____ Globals _____
let g:notes_suffix = '.notes'
let g:notes_directories = ['~/Documents/Notes']


"}}}


"}}}
" TODOS -----------------------------------------------------------{{{

" Opens a files using gf (does not curently work)
"set path+=**/src/main/**,**
"set suffixesadd+=.js


"turn off line wrapping when working on html files.
"autocmd BufNewFile,BufRead *.html setlocal nowrap

" }}}