# Various functions

# This prompts the user for a "yes" or a "no"
# @argument $1: Question
# @argument $2: Content to show in preview window
# @return: 0 if the user answered "yes" and 1 otherwise.
ynprompt() {
  return "$(printf '0 \033[32myes\033[0m\n1 \033[31mno\033[0m\n' |
    $FZF \
    --sync \
    --bind='start:pos(2)' \
    --bind='ctrl-c,ctrl-g,ctrl-q,esc:pos(2)+accept' \
    --reverse \
    --no-input \
    --header="$1" \
    --preview-window='60%,border-line' \
    --margin='5%,5%,5%,15%' \
    --preview="echo \"$2\"" \
    --with-nth=2.. \
    --accept-nth=1 \
    --header-border='line' \
    --color='border:yellow,header:yellow')"
}

# This prompts the user for a series of options.
# The options are read from stdin in the form "integer\toption\n".
# Prints number
#
# @argument $1: Question
# @argument $2: Content to show in preview window
multiprompt() {
  cat |
    $FZF \
    --reverse \
    --no-input \
    --header="$1" \
    --preview-window='60%,border-line,wrap-word' \
    --margin='5%,5%,5%,15%' \
    --preview="echo \"$2\"" \
    --with-nth=2.. \
    --accept-nth=1 \
    --header-border='line' \
    --bind="ctrl-c,esc,ctrl-q:" \
    --color='border:yellow,header:yellow' | head -1 || true
}

# ASCII-encode address
# asciiaddress() {
#   firstword=1
#   for word in $*; do
#     [ "${firstword:-}" ] || echo -n ' ' && firstword=
#     case $word in
#       *[![:cntrl:][:print:]]*) echo -n $word ;;
#       *) return 0 ;;
#     esac
#     isascii "$word" && echo -n "$word" || echo -n "=?UTF-8?B?$(echo -n "$word" | base64)?="
#   done
# }