# Key bindings
# ------------
function fzf_key_bindings

  # Store last token in $dir as root for the 'find' command
  function fzf-file-widget -d "List files and folders"
    set -l dir (commandline -t)
    # The commandline token might be escaped, we need to unescape it.
    set dir (eval "printf '%s' $dir")
    if [ ! -d "$dir" ]
      set dir .
    end
    # Some 'find' versions print undesired duplicated slashes if the path ends with slashes.
    set dir (string replace --regex '(.)/+$' '$1' "$dir")

    # "-path \$dir'*/\\.*'" matches hidden files/folders inside $dir but not
    # $dir itself, even if hidden.
    set -q FZF_CTRL_T_COMMAND; or set -l FZF_CTRL_T_COMMAND "
    command find -L \$dir -mindepth 1 \\( -path \$dir'*/\\.*' -o -fstype 'devfs' -o -fstype 'devtmpfs' \\) -prune \
    -o -type f -print \
    -o -type d -print \
    -o -type l -print 2> /dev/null | sed 's#^\./##'"

    eval "$FZF_CTRL_T_COMMAND | "(__fzfcmd)" -m $FZF_CTRL_T_OPTS" | while read -l r; set result $result $r; end
    if [ -z "$result" ]
      commandline -f repaint
      return
    end

    if [ "$dir" != . ]
      # Remove last token from commandline.
      commandline -t ""
    end
    for i in $result
      commandline -it -- (string escape $i)
      commandline -it -- ' '
    end
    commandline -f repaint
  end

  function fzf-history-widget -d "Show command history"
    history | eval (__fzfcmd) +s +m --tiebreak=index $FZF_CTRL_R_OPTS -q '(commandline)' | read -l result
    and commandline -- $result
    commandline -f repaint
  end

  function fzf-cd-widget -d "Change directory"
    set -q FZF_ALT_C_COMMAND; or set -l FZF_ALT_C_COMMAND "
    command find -L . \\( -path '*/\\.*' -o -fstype 'devfs' -o -fstype 'devtmpfs' \\) -prune \
    -o -type d -print 2> /dev/null | sed 1d | cut -b3-"
    eval "$FZF_ALT_C_COMMAND | "(__fzfcmd)" +m $FZF_ALT_C_OPTS" | read -l result
    [ "$result" ]; and cd $result
    commandline -f repaint
  end

  function __fzfcmd
    set -q FZF_TMUX; or set FZF_TMUX 1
    if [ $FZF_TMUX -eq 1 ]
      if set -q FZF_TMUX_HEIGHT
        echo "fzf-tmux -d$FZF_TMUX_HEIGHT"
      else
        echo "fzf-tmux -d40%"
      end
    else
      echo "fzf"
    end
  end

  bind \ct fzf-file-widget
  bind \cr fzf-history-widget
  bind \ec fzf-cd-widget

  if bind -M insert > /dev/null 2>&1
    bind -M insert \ct fzf-file-widget
    bind -M insert \cr fzf-history-widget
    bind -M insert \ec fzf-cd-widget
  end
end