set  runtimepath+=/usr/local/opt/fzf
call dein#add('yuki-ycino/fzf-preview.vim')

call dein#add('junegunn/fzf', { 'build': './install --all', 'merged': 0 })
call dein#add('yuki-ycino/fzf-preview.vim')

:FzfPreviewProjectFiles                      " Select project files

:FzfPreviewGitFiles                          " Select file from git ls-files

:FzfPreviewDirectoryFiles {path or none}     " Select file from directory files (default to current working directory) (Required [ripgrep](https://github.com/BurntSushi/ripgrep))

:FzfPreviewGitStatus                         " Select git status listed file

:FzfPreviewBuffers                           " Select file buffers

:FzfPreviewAllBuffers                        " Select all buffers

:FzfPreviewProjectOldFiles                   " Select project files from oldfiles

:FzfPreviewProjectMruFiles                   " Select project mru (Most Recently Used) files

:FzfPreviewProjectMrwFiles                   " Select project mrw (Most Recently Written) files

:FzfPreviewProjectGrep {word}                " Grep project files from args word (Required [Python3](https://www.python.org/))

:FzfPreviewProjectCommandGrep {word or none} " Grep project files with advanced ripgrep integration (not fuzzy find) Ref: [Advanced ripgrep integration](https://github.com/junegunn/fzf.vim#example-advanced-ripgrep-integration) (Required [Python3](https://www.python.org/))

:FzfPreviewCtags                             " Select tags from tags file (Required [universal-ctags](https://github.com/universal-ctags/ctags) and [Python3](https://www.python.org/))

:FzfPreviewBufferTags                        " Select tags from current files (Required [universal-ctags](https://github.com/universal-ctags/ctags) and [Python3](https://www.python.org/))

:FzfPreviewOldFiles                          " Select files from oldfiles

:FzfPreviewMruFiles                          " Select mru (Most Recently Used) files

:FzfPreviewMrwFiles                          " Select mrw (Most Recently Written) files

:FzfPreviewQuickFix                          " Select line from QuickFix (Required [Python3](https://www.python.org/))

:FzfPreviewLocationList                      " Select line from LocationList (Required [Python3](https://www.python.org/))

:FzfPreviewLines                             " Select line from current buffer (Required [Python3](https://www.python.org/))

:FzfPreviewBufferLines                       " Select line from loaded buffer (Required [Python3](https://www.python.org/))

:FzfPreviewJumps                             " Select jumplist item (Required [Python3](https://www.python.org/))

:FzfPreviewChanges                           " Select changelist item (Required [Python3](https://www.python.org/))

:FzfPreviewMarks                             " Select mark (Required [Python3](https://www.python.org/))

:FzfPreviewConflict                          " Select conflict (Required [Python3](https://www.python.org/))

:FzfPreviewFromResources                     " Select files from selected resources (project, git, directory, buffer, project_old, project_mru, project_mrw, old, mru, mrw)

nmap <Leader>f [fzf-p]
xmap <Leader>f [fzf-p]

nnoremap <silent> [fzf-p]p     :<C-u>FzfPreviewFromResources project_mru git<CR>
nnoremap <silent> [fzf-p]gs    :<C-u>FzfPreviewGitStatus<CR>
nnoremap <silent> [fzf-p]b     :<C-u>FzfPreviewBuffers<CR>
nnoremap <silent> [fzf-p]B     :<C-u>FzfPreviewAllBuffers<CR>
nnoremap <silent> [fzf-p]o     :<C-u>FzfPreviewFromResources buffer project_mru<CR>
nnoremap <silent> [fzf-p]<C-o> :<C-u>FzfPreviewJumps<CR>
nnoremap <silent> [fzf-p]g;    :<C-u>FzfPreviewChanges<CR>
nnoremap <silent> [fzf-p]/     :<C-u>FzfPreviewLines -add-fzf-arg=--no-sort -add-fzf-arg=--query="'"<CR>
nnoremap <silent> [fzf-p]*     :<C-u>FzfPreviewLines -add-fzf-arg=--no-sort -add-fzf-arg=--query="'<C-r>=expand('<cword>')<CR>"<CR>
nnoremap          [fzf-p]gr    :<C-u>FzfPreviewProjectGrep<Space>
xnoremap          [fzf-p]gr    "sy:FzfPreviewProjectGrep<Space>-F<Space>"<C-r>=substitute(substitute(@s, '\n', '', 'g'), '/', '\\/', 'g')<CR>"
nnoremap <silent> [fzf-p]t     :<C-u>FzfPreviewBufferTags<CR>
nnoremap <silent> [fzf-p]q     :<C-u>FzfPreviewQuickFix<CR>
nnoremap <silent> [fzf-p]l     :<C-u>FzfPreviewLocationList<CR>

nnoremap <silent> [fzf-p]gs :<C-u>FzfPreviewGitStatus -processors=g:fzf_preview_fugitive_processors<CR>

augroup fzf_preview
  autocmd!
  autocmd User fzf_preview#initialized call s:fzf_preview_settings()
augroup END

function! s:fugitive_add(paths) abort
  for path in a:paths
    execute 'silent G add ' . path
  endfor
  echomsg 'Git add ' . join(a:paths, ', ')
endfunction

function! s:fugitive_reset(paths) abort
  for path in a:paths
    execute 'silent G reset ' . path
  endfor
  echomsg 'Git reset ' . join(a:paths, ', ')
endfunction

function! s:fugitive_patch(paths) abort
  for path in a:paths
    execute 'silent tabedit ' . path . ' | silent Gdiff'
  endfor
  echomsg 'Git add --patch ' . join(a:paths, ', ')
endfunction

function! s:fzf_preview_settings() abort
  let g:fzf_preview_fugitive_processors = fzf_preview#resource_processor#get_processors()
  let g:fzf_preview_fugitive_processors['ctrl-a'] = function('s:fugitive_add')
  let g:fzf_preview_fugitive_processors['ctrl-r'] = function('s:fugitive_reset')
  let g:fzf_preview_fugitive_processors['ctrl-c'] = function('s:fugitive_patch')
endfunction

" oldfiles uses viminfo, but the default setting is 100
" Change the number by setting it in viminfo with a single quote.
" Ref: viminfo-'
set viminfo='1000

" Add fzf quit mapping
let g:fzf_preview_quit_map = 1

" Use floating window (for neovim)
let g:fzf_preview_use_floating_window = 1

" floating window size ratio
let g:fzf_preview_floating_window_rate = 0.9

" floating window winblend value
let g:fzf_preview_floating_window_winblend = 15

" Commands used for fzf preview.
" The file name selected by fzf becomes {}
let g:fzf_preview_command = 'head -100 {-1}'                       " Not installed bat
" let g:fzf_preview_command = 'bat --color=always --style=grid {-1}' " Installed bat

" g:fzf_binary_preview_command is executed if this command succeeds, and g:fzf_preview_command is executed if it fails
let g:fzf_preview_if_binary_command = '[[ "$(file --mime {})" =~ binary ]]'

" Commands used for binary file
let g:fzf_binary_preview_command = 'echo "{} is a binary file"'

" Commands used to get the file list from project
let g:fzf_preview_filelist_command = 'git ls-files --exclude-standard'               " Not Installed ripgrep
" let g:fzf_preview_filelist_command = 'rg --files --hidden --follow --no-messages -g \!"* *"' " Installed ripgrep

" Commands used to get the file list from git reposiroty
let g:fzf_preview_git_files_command = 'git ls-files --exclude-standard'

" Commands used to get the file list from current directory
let g:fzf_preview_directory_files_command = 'rg --files --hidden --follow --no-messages -g \!"* *"'

" Commands used to get the git status file list
let g:fzf_preview_git_status_command = "git status --short --untracked-files=all | awk '{if (substr($0,2,1) !~ / /) print $2}'"

" Commands used for git status preview.
let g:fzf_preview_git_status_preview_command =  "[[ $(git diff -- {-1}) != \"\" ]] && git diff --color=always -- {-1} || " .
\ "[[ $(git diff --cached -- {-1}) != \"\" ]] && git diff --cached --color=always -- {-1} || " .
\ g:fzf_preview_command

" Commands used for project grep
let g:fzf_preview_grep_cmd = 'rg --line-number --no-heading'

" Commands used for current file lines
let g:fzf_preview_lines_command = 'cat'
" let g:fzf_preview_lines_command = 'bat --color=always --style=grid --theme=ansi-dark --plain'

" Commands used for preview of the grep result
let g:fzf_preview_grep_preview_cmd = expand('<sfile>:h:h') . '/bin/preview_fzf_grep'

" Cache directory for mru and mrw
let g:fzf_preview_cache_directory = expand('~/.cache/vim/fzf_preview')

" Keyboard shortcuts while fzf preview is active
let g:fzf_preview_preview_key_bindings = 'ctrl-d:preview-page-down,ctrl-u:preview-page-up,?:toggle-preview'

" Specify the color of fzf
let g:fzf_preview_fzf_color_option = ''

" Set the processors when selecting an element with fzf
" Do not use with g:fzf_preview_*_key_map
let g:fzf_preview_custom_default_processors = {}
" For example, set split to ctrl-s
" let g:fzf_preview_custom_default_processors = fzf_preview#resource_processor#get_default_processors()
" call remove(g:fzf_preview_custom_default_processors, 'ctrl-x')
" let g:fzf_preview_custom_default_processors['ctrl-s'] = function('fzf_preview#resource_processor#split')

" Use as fzf preview-window option
let g:fzf_preview_fzf_preview_window_option = ''
" let g:fzf_preview_fzf_preview_window_option = 'up:30%'

" Command to be executed after file list creation
let g:fzf_preview_filelist_postprocess_command = ''
" let g:fzf_preview_filelist_postprocess_command = 'xargs -d "\n" ls -U --color'      " Use dircolors
" let g:fzf_preview_filelist_postprocess_command = 'xargs -d "\n" exa --color=always' " Use exa
" on Mac
" let g:fzf_preview_filelist_postprocess_command = 'gxargs -d "\n" exa --color=always' "use exa


" Use vim-devicons
let g:fzf_preview_use_dev_icons = 0

" devicons character width
let g:fzf_preview_dev_icon_prefix_length = 2

" DEPRECATED
" Use g:fzf_preview_custom_default_processors
" Keyboard shortcut for opening files with split
let g:fzf_preview_split_key_map = 'ctrl-x'

" DEPRECATED
" Use g:fzf_preview_custom_default_processors
" Keyboard shortcut for opening files with vsplit
let g:fzf_preview_vsplit_key_map = 'ctrl-v'

" DEPRECATED
" Use g:fzf_preview_custom_default_processors
" Keyboard shortcut for opening files with tabedit
let g:fzf_preview_tabedit_key_map = 'ctrl-t'

" DEPRECATED
" Use g:fzf_preview_custom_default_processors
" Keyboard shortcut for building quickfix
let g:fzf_preview_build_quickfix_key_map = 'ctrl-q'

" DEPRECATED
" fzf window layout
let g:fzf_preview_layout = 'top split new'

" DEPRECATED
" Rate of fzf window
let g:fzf_preview_rate = 0.3

" DEPRECATED
" Key to toggle fzf window size of normal size and full-screen
let g:fzf_full_preview_toggle_key = '<C-s>'

-processors
" Set processor when selecting element with fzf started by this command.
" Value must be a global variable name.
" Variable is dictionary and format is same as g:fzf_preview_custom_default_processors.
"
" Most commands are passed a file path to the processor function.
" FzfPreviewAllBuffers will be passed “buffer {bufnr}”
"
" Value example: let g:foo_processors = {
"                \ '':       function('fzf_preview#resource_processor#edit'),
"                \ 'ctrl-x': function('s:foo_function'),
"                \ }
"

" Example: 'bdelete!' buffers

augroup fzf_preview
  autocmd!
  autocmd User fzf_preview#initialized call s:fzf_preview_settings()
augroup END

function! s:fzf_preview_settings() abort
  let g:fzf_preview_buffer_delete_processors = fzf_preview#resource_processor#get_default_processors()
  let g:fzf_preview_buffer_delete_processors['ctrl-x'] = function('s:buffers_delete_from_lines')
endfunction

function! s:buffers_delete_from_lines(lines) abort
  for line in a:lines
    let matches = matchlist(line, '^buffer \(\d\+\)$')
    if len(matches) >= 1
      execute 'bdelete! ' . matches[1]
    else
      execute 'bdelete! ' . line
    endif
  endfor
endfunction

nnoremap <silent> <Leader>b :<C-u>FzfPreviewBuffers -processors=g:fzf_preview_buffer_delete_processors<CR>


-add-fzf-arg
" Set the arguments to be passed when executing fzf.
" This value is added to the default options.
" Value must be a string without spaces.

" Example: Exclude filename with FzfPreviewProjectGrep
nnoremap <Leader>g :<C-u>FzfPreviewProjectGrep -add-fzf-arg=--nth=3<Space>


-resume
" Reuse the input that was last used to select the element with fzf.
" Do not need to pass a value for this option.

" Example: Reuse last query for project grep.
nnoremap <Leader>G :<C-u>FzfPreviewProjectGrep -resume<Space>


" EXPERIMENTAL: Specifications may change.
-overwrite-fzf-args
" Set the arguments to be passed when executing fzf.
" Value must be a global variable name.
" Variable is string and format is shell command options.
" This option is experimental.
"
" Value example: let g:foo_arguments = '--multi --reverse --ansi --bind=ctrl-d:preview-page-down,ctrl-u:preview-page-up,?:toggle-preview'
"

" Example: Exclude filename with FzfPreviewProjectGrep

augroup fzf_preview
  autocmd!
  autocmd User fzf_preview#initialized call s:fzf_preview_settings()
augroup END

function! s:fzf_preview_settings() abort
  let g:fzf_preview_grep_command_options = fzf_preview#command#get_common_command_options()
  let g:fzf_preview_grep_command_options = g:fzf_preview_grep_command_options . ' --nth=3'
endfunction

nnoremap <Leader>g :<C-u>FzfPreviewProjectGrep -overwrite-fzf-args=g:fzf_preview_grep_command_options<Space>

" Function to display the floating window used by this plugin
call fzf_preview#window#create_centered_floating_window()

" Example
call fzf#run({
\ 'source':  files,
\ 'sink':   'edit',
\ 'window': 'call fzf_preview#window#create_centered_floating_window()',
\ })

" Get the initial value of the process executed when selecting the element of fzf
call fzf_preview#resource_processor#get_default_processors()

" Get the current value of the process executed when selecting the element of fzf
" Use in fzf_preview#initialized event.
call fzf_preview#resource_processor#get_processors()

" EXPERIMENTAL: Specifications may change.
" Get the common value of the passed when executed fzf.
" Use in fzf_preview#initialized event.
call fzf_preview#command#get_common_command_options()