" No arrow keys
noremap <Up> <NOP>
noremap <Down> <NOP>
noremap <Left> <NOP>
noremap <Right> <NOP>
inoremap <Up>    <NOP>
inoremap <Down>  <NOP>
inoremap <Left>  <NOP>
inoremap <Right> <NOP>

" Quick window switching
nmap <C-h> <C-w>h
nmap <C-j> <C-w>j
nmap <C-k> <C-w>k
nmap <C-l> <C-w>l


" ============================================================================ "
" ===                             KEY MAPPINGS                             === "
" ============================================================================ "

" === Denite shorcuts === "
"   ;         - Browser currently open buffers
"   <leader>t - Browse list of files in current directory
"   <leader>g - Search current directory for occurences of given term and close window if no results
"   <leader>j - Search current directory for occurences of word under cursor
nmap ; :Denite buffer<CR>
nmap <leader>t :DeniteProjectDir file/rec<CR>
nnoremap <leader>g :<C-u>Denite grep:. -no-empty<CR>
nnoremap <leader>j :<C-u>DeniteCursorWord grep:.<CR>

" Define mappings while in 'filter' mode
"   <C-o>         - Switch to normal mode inside of search results
"   <Esc>         - Exit denite window in any mode
"   <CR>          - Open currently selected file in any mode
"   <C-t>         - Open currently selected file in a new tab
"   <C-v>         - Open currently selected file a vertical split
"   <C-h>         - Open currently selected file in a horizontal split
autocmd FileType denite-filter call s:denite_filter_my_settings()
function! s:denite_filter_my_settings() abort
  imap <silent><buffer> <C-o>
  \ <Plug>(denite_filter_quit)
  inoremap <silent><buffer><expr> <Esc>
  \ denite#do_map('quit')
  nnoremap <silent><buffer><expr> <Esc>
  \ denite#do_map('quit')
  inoremap <silent><buffer><expr> <CR>
  \ denite#do_map('do_action')
  inoremap <silent><buffer><expr> <C-t>
  \ denite#do_map('do_action', 'tabopen')
  inoremap <silent><buffer><expr> <C-v>
  \ denite#do_map('do_action', 'vsplit')
  inoremap <silent><buffer><expr> <C-h>
  \ denite#do_map('do_action', 'split')
endfunction

" Define mappings while in denite window
"   <CR>        - Opens currently selected file
"   q or <Esc>  - Quit Denite window
"   d           - Delete currenly selected file
"   p           - Preview currently selected file
"   <C-o> or i  - Switch to insert mode inside of filter prompt
"   <C-t>       - Open currently selected file in a new tab
"   <C-v>       - Open currently selected file a vertical split
"   <C-h>       - Open currently selected file in a horizontal split
autocmd FileType denite call s:denite_my_settings()
function! s:denite_my_settings() abort
  nnoremap <silent><buffer><expr> <CR>
  \ denite#do_map('do_action')
  nnoremap <silent><buffer><expr> q
  \ denite#do_map('quit')
  nnoremap <silent><buffer><expr> <Esc>
  \ denite#do_map('quit')
  nnoremap <silent><buffer><expr> d
  \ denite#do_map('do_action', 'delete')
  nnoremap <silent><buffer><expr> p
  \ denite#do_map('do_action', 'preview')
  nnoremap <silent><buffer><expr> i
  \ denite#do_map('open_filter_buffer')
  nnoremap <silent><buffer><expr> <C-o>
  \ denite#do_map('open_filter_buffer')
  nnoremap <silent><buffer><expr> <C-t>
  \ denite#do_map('do_action', 'tabopen')
  nnoremap <silent><buffer><expr> <C-v>
  \ denite#do_map('do_action', 'vsplit')
  nnoremap <silent><buffer><expr> <C-h>
  \ denite#do_map('do_action', 'split')
endfunction

" === Nerdtree shorcuts === "
"  <leader>n - Toggle NERDTree on/off
"  <leader>f - Opens current file location in NERDTree
nmap <leader>n :NERDTreeToggle<CR>
nmap <leader>f :NERDTreeFind<CR>

" === coc.nvim === "
"   <leader>dd    - Jump to definition of current symbol
"   <leader>dr    - Jump to references of current symbol
"   <leader>dj    - Jump to implementation of current symbol
"   <leader>ds    - Fuzzy search current project symbols
"   <leader>p     - Run Prettier formatter on file
nmap <silent> <leader>dd <Plug>(coc-definition)
nmap <silent> <leader>dr <Plug>(coc-references)
nmap <silent> <leader>dj <Plug>(coc-implementation)
nnoremap <silent> <leader>ds :<C-u>CocList -I -N --top symbols<CR>
nmap <silent> <leader>p  :Prettier<CR>

" === vim-better-whitespace === "
"   <leader>y - Automatically remove trailing whitespace
nmap <leader>y :StripWhitespace<CR>

" === Search shorcuts === "
"   <leader>h - Find and replace
"   <leader>/ - Claer highlighted search terms while preserving history
map <leader>h :%s///<left><left>
nmap <silent> <leader>/ :nohlsearch<CR>

" === Easy-motion shortcuts ==="
"   <leader>w - Easy-motion highlights first word letters bi-directionally
map <leader>w <Plug>(easymotion-bd-w)

" Allows you to save files you opened without write permissions via sudo
cmap w!! w !sudo tee %

" === vim-jsdoc shortcuts ==="
" Generate jsdoc for function under cursor
nmap <leader>z :JsDoc<CR>

" Delete current visual selection and dump in black hole buffer before pasting
" Used when you want to paste over something without it getting copied to
" Vim's default buffer
vnoremap <leader>p "_dP