"=============================================================================
" denite.vim --- SpaceVim denite layer
" Copyright (c) 2016-2023 Wang Shidong & Contributors
" Author: Wang Shidong < wsdjeg@outlook.com >
" URL: https://spacevim.org
" License: GPLv3
"=============================================================================

let s:CMP = SpaceVim#api#import('vim#compatible')

function! SpaceVim#layers#denite#plugins() abort
  let plugins = [
        \ ['Shougo/denite.nvim',{ 'merged' : 0, 'loadconf' : 1}],
        \ ['pocari/vim-denite-emoji', {'merged' : 0}],
        \ ]

  " neoyark source <Leader>fh
  call add(plugins, ['chemzqm/unite-location', {'merged' : 0}])
  call add(plugins, ['Shougo/unite-outline', {'merged' : 0}])
  call add(plugins, ['ozelentok/denite-gtags', {'merged' : 0}])
  call add(plugins, [g:_spacevim_root_dir . 'bundle/neoyank.vim', {'merged' : 0}])
  call add(plugins, [g:_spacevim_root_dir . 'bundle/neomru.vim', {'merged' : 0}])
  call add(plugins, ['SpaceVim/Denite-sources', {'merged' : 0}])

  return plugins
endfunction

function! SpaceVim#layers#denite#health() abort
  call SpaceVim#layers#denite#plugins()
  call SpaceVim#layers#denite#config()
  return 1
endfunction

let s:filename = expand('<sfile>:~')
let s:lnum = expand('<slnum>') + 2
function! SpaceVim#layers#denite#config() abort

  call SpaceVim#mapping#space#def('nnoremap', ['i', 'u'], 'Denite unicode', 'search-and-insert-unicode', 1)
  if g:spacevim_snippet_engine ==# 'neosnippet'
    call SpaceVim#mapping#space#def('nnoremap', ['i', 's'], 'Denite neosnippet', 'insert snippets', 1)
  elseif g:spacevim_snippet_engine ==# 'ultisnips'
    " @todo ultisnips do not support denite now.
    " https://github.com/SirVer/ultisnips/issues/869
    " call SpaceVim#mapping#space#def('nnoremap', ['i', 's'], 'Denite ultisnips', 'insert snippets', 1)
  endif


  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['?'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["Denite menu:CustomKeyMaps -input=[SPC]"])',
        \ ['show-mappings',
        \ [
        \ 'SPC ? is to show mappings',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)

  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['h', '[SPC]'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["Denite help -input=SpaceVim"])',
        \ ['find-SpaceVim-help',
        \ [
        \ 'SPC h SPC is to find SpaceVim help',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)
  " @fixme SPC h SPC make vim flick
  nmap <Space>h<Space> [SPC]h[SPC]

  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['b', 'b'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["Denite buffer"])',
        \ ['buffer-list',
        \ [
        \ 'SPC b b is to open buffer list',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)

  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['f', 'r'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["Denite file_mru"])',
        \ ['open-recent-file',
        \ [
        \ 'SPC f r is to open recent file list',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)

  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['j', 'i'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["Denite outline"])',
        \ ['jump to a definition in buffer',
        \ [
        \ 'SPC j i is to jump to a definition in buffer',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)

  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['r', 'l'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["Denite -resume"])',
        \ ['resume denite buffer',
        \ [
        \ 'SPC r l is to resume denite buffer',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)

  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['T', 's'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["Denite colorscheme"])',
        \ ['fuzzy find colorschemes',
        \ [
        \ 'SPC T s is to fuzzy find colorschemes',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)

  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['f', 'f'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["DeniteBufferDir file/rec"])',
        \ ['Find files in the directory of the current buffer',
        \ [
        \ '[SPC f f] is to find files in the directory of the current buffer',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)

  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['p', 'f'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["Denite file/rec"])',
        \ ['find files in current project',
        \ [
        \ '[SPC p f] is to find files in the root of the current project',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)
  nnoremap <silent> <C-p> :call <SID>warp_denite('Denite file/rec')<cr>


  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['h', 'i'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["DeniteCursorWord help"])',
        \ ['get help with the symbol at point',
        \ [
        \ '[SPC h i] is to get help with the symbol at point',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)


  let lnum = expand('<slnum>') + s:lnum - 1
  call SpaceVim#mapping#space#def('nnoremap', ['i', 'u'], 'call call('
        \ . string(s:_function('s:warp_denite')) . ', ["Denite unicode"])',
        \ ['search-and-insert-unicode',
        \ [
        \ '[SPC i u] is to search and insert Unicode charater',
        \ '',
        \ 'Definition: ' . s:filename . ':' . lnum,
        \ ]
        \ ],
        \ 1)

  let g:_spacevim_mappings.f = {'name' : '+Fuzzy Finder'}
  call s:defind_fuzzy_finder()
endfunction

let s:file = expand('<sfile>:~')
let s:unite_lnum = expand('<slnum>') + 3
function! s:defind_fuzzy_finder() abort
  nnoremap <silent> <Leader>fr
        \ :<C-u>Denite -resume<CR>
  let lnum = expand('<slnum>') + s:unite_lnum - 4
  let g:_spacevim_mappings.f.r = ['Denite -resume',
        \ 'resume unite window',
        \ [
        \ '[Leader f r ] is to resume unite window',
        \ '',
        \ 'Definition: ' . s:file . ':' . lnum,
        \ ]
        \ ]
  nnoremap <silent> <Leader>fe
        \ :<C-u>Denite register<CR>
  let lnum = expand('<slnum>') + s:unite_lnum - 4
  let g:_spacevim_mappings.f.e = ['Denite register',
        \ 'fuzzy find registers',
        \ [
        \ '[Leader f r ] is to resume unite window',
        \ '',
        \ 'Definition: ' . s:file . ':' . lnum,
        \ ]
        \ ]
  nnoremap <silent> <Leader>fh
        \ :<C-u>Denite neoyank<CR>
  let lnum = expand('<slnum>') + s:unite_lnum - 4
  let g:_spacevim_mappings.f.h = ['Denite neoyank',
        \ 'fuzzy find yank history',
        \ [
        \ '[Leader f h] is to fuzzy find history and yank content',
        \ '',
        \ 'Definition: ' . s:file . ':' . lnum,
        \ ]
        \ ]
  nnoremap <silent> <Leader>fj
        \ :<C-u>Denite jump<CR>
  let lnum = expand('<slnum>') + s:unite_lnum - 4
  let g:_spacevim_mappings.f.j = ['Denite jump',
        \ 'fuzzy find jump list',
        \ [
        \ '[Leader f j] is to fuzzy find jump list',
        \ '',
        \ 'Definition: ' . s:file . ':' . lnum,
        \ ]
        \ ]
  nnoremap <silent> <Leader>fl
        \ :<C-u>Denite location_list<CR>
  let lnum = expand('<slnum>') + s:unite_lnum - 4
  let g:_spacevim_mappings.f.l = ['Denite location_list',
        \ 'fuzzy find location list',
        \ [
        \ '[Leader f l] is to fuzzy find location list',
        \ '',
        \ 'Definition: ' . s:file . ':' . lnum,
        \ ]
        \ ]
  nnoremap <silent> <Leader>fm
        \ :<C-u>Denite output:message<CR>
  let lnum = expand('<slnum>') + s:unite_lnum - 4
  let g:_spacevim_mappings.f.m = ['Denite output:message',
        \ 'fuzzy find message',
        \ [
        \ '[Leader f m] is to fuzzy find message',
        \ '',
        \ 'Definition: ' . s:file . ':' . lnum,
        \ ]
        \ ]
  nnoremap <silent> <Leader>fq
        \ :<C-u>Denite quickfix<CR>
  let lnum = expand('<slnum>') + s:unite_lnum - 4
  let g:_spacevim_mappings.f.q = ['Denite quickfix',
        \ 'fuzzy find quickfix list',
        \ [
        \ '[Leader f q] is to fuzzy find quickfix list',
        \ '',
        \ 'Definition: ' . s:file . ':' . lnum,
        \ ]
        \ ]
  nnoremap <silent> <Leader>fo  :<C-u>Denite outline<CR>
  let lnum = expand('<slnum>') + s:unite_lnum - 4
  let g:_spacevim_mappings.f.o = ['Denite outline',
        \ 'fuzzy find outline',
        \ [
        \ '[Leader f o] is to fuzzy find outline',
        \ '',
        \ 'Definition: ' . s:file . ':' . lnum,
        \ ]
        \ ]
  nnoremap <silent> <Leader>f<Space> :Denite menu:CustomKeyMaps<CR>
  let g:_spacevim_mappings.f['[SPC]'] = ['Denite menu:CustomKeyMaps',
        \ 'fuzzy find custom key bindings',
        \ [
        \ '[Leader f SPC] is to fuzzy find custom key bindings',
        \ '',
        \ 'Definition: ' . s:file . ':' . lnum,
        \ ]
        \ ]
  nnoremap <silent> <Leader>fp  :<C-u>Denite menu:AddedPlugins<CR>
  let lnum = expand('<slnum>') + s:unite_lnum - 4
  let g:_spacevim_mappings.f.p = ['Denite menu:AddedPlugins',
        \ 'fuzzy find vim packages',
        \ [
        \ '[Leader f p] is to fuzzy find vim packages installed in SpaceVim',
        \ '',
        \ 'Definition: ' . s:file . ':' . lnum,
        \ ]
        \ ]
endfunction

function! s:warp_denite(cmd) abort
  exe a:cmd
  doautocmd WinEnter
endfunction

function! SpaceVim#layers#denite#loadable()
  if s:CMP.has('python3')
    return 1
  else
    call SpaceVim#logger#warn('denite layer requires +python3 enabled!')
    if has('nvim')
      call SpaceVim#logger#info('   use `pip3 install pynvim` to enabled +python3 for neovim.')
    endif
  endif
endfunction

" function() wrapper
if v:version > 703 || v:version == 703 && has('patch1170')
  function! s:_function(fstr) abort
    return function(a:fstr)
  endfunction
else
  function! s:_SID() abort
    return matchstr(expand('<sfile>'), '<SNR>\zs\d\+\ze__SID$')
  endfunction
  let s:_s = '<SNR>' . s:_SID() . '_'
  function! s:_function(fstr) abort
    return function(substitute(a:fstr, 's:', s:_s, 'g'))
  endfunction
endif
" vim:set et sw=2 cc=80: