#!/usr/bin/env bash

has() {
  if (( $# )); then
    hash "$1" 2>/dev/null
  else
    return 1
  fi
}

for prog in curl tail; do
  if ! has "$prog"; then
    printf "please install %s\n" "$prog" >&2
    exit 1
  fi
done

declare -A opts

while (( $# )); do
  case $1 in
    --*=*)
      key=${1#--} key=${key%%=*}
      val=${1#--"$key"=}
      opts[$key]=$val
      ;;
    --no-*)
      opts[${1#--no-}]=false
      ;;
    --)
      shift
      break
      ;;
    --*)
      opts[${1#--}]=true
      ;;
    *)
      break
      ;;
  esac

  shift
done

lang=${opts[lang]:-auto} lang=${lang,,}
expiry=${opts[expire]}
url=${opts[url]:-https://p.ahti.space/nanopaste-get.cgi}

tail -n +1 -- "$@" | curl -sSA karahti/1.0 -w %{redirect_url} \
  --data-urlencode paste_content@- -d "language=$lang" -d "expiry=$expiry" \
  "$url"

printf "\n"