# Use ~~ as the trigger sequence instead of the default **
export FZF_COMPLETION_TRIGGER='~~'

# Options to fzf command
export FZF_COMPLETION_OPTS='--border --info=inline'

__fzfcmd() {
  echo "fzf"
}

# ctrl+r - Paste the selected command from history into the command line
fzf-history-widget() {
  local selected num
  setopt localoptions noglobsubst noposixbuiltins pipefail HIST_FIND_NO_DUPS 2> /dev/null

  selected=( $(fc -rl 1 |
    FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} $FZF_DEFAULT_OPTS -n2..,.. --tiebreak=index --bind=ctrl-r:toggle-sort $FZF_CTRL_R_OPTS --query=${(qqq)LBUFFER} +m" $(__fzfcmd)) )
  local ret=$?
  if [ -n "$selected" ]; then
    num=$selected[1]
    if [ -n "$num" ]; then
      zle vi-fetch-history -n $num
    fi
  fi
  zle redisplay
  typeset -f zle-line-init >/dev/null && zle zle-line-init
  return $ret
}
zle     -N   fzf-history-widget
bindkey '^R' fzf-history-widget

# Use fd (https://github.com/sharkdp/fd) instead of the default find
# command for listing path candidates.
# - The first argument to the function ($1) is the base path to start traversal
# - See the source code (completion.{bash,zsh}) for the details.
_fzf_compgen_path() {
  fd --hidden --follow --exclude ".git" . "$1"
}

# Use fd to generate the list for directory completion
_fzf_compgen_dir() {
  fd --type d --hidden --follow --exclude ".git" . "$1"
}

# (EXPERIMENTAL) Advanced customization of fzf options via _fzf_comprun function
# - The first argument to the function is the name of the command.
# - You should make sure to pass the rest of the arguments to fzf.
_fzf_comprun() {
  local command=$1
  shift

  case "$command" in
    cd)           fzf "$@" --preview 'tree -C {} | head -200' ;;
    export|unset) fzf "$@" --preview "eval 'echo \$'{}" ;;
    ssh)          fzf "$@" --preview 'dig {}' ;;
    *)            fzf "$@" ;;
  esac
}