#!/usr/bin/env bash

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

for prog in curl; 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

tail -n +1 -- "$@" | {
  paste=$(
    curl -sSA karahti/1.0 -w "%{redirect_url}" -F "paste_content=<-" \
    -F "language=${opts[lang]:-auto}" -F "expiry=${opts[expire]}" \
    https://p.ahti.space/nanopaste-get.cgi
  )

  printf "%s\n" "$paste"
}