#!/bin/bash

. ${SCRIPTS:-/}start-utils
set -o pipefail
isDebugging && set -x

: ${PAPERBUILD:=latest}
export SERVER=paper_server-${VANILLA_VERSION}-${PAPERBUILD}.jar

if [ ! -f "$SERVER" ] || isTrue "$FORCE_REDOWNLOAD"; then

  if [ -f "$SERVER" ]; then
    zarg=(-z "$SERVER")
  fi

  downloadUrl=${PAPER_DOWNLOAD_URL:-https://papermc.io/api/v1/paper/${VANILLA_VERSION}/${PAPERBUILD}/download}
  log "Downloading Paper $VANILLA_VERSION (build $PAPERBUILD) from $downloadUrl ..."
  out=$(curl -fsSL -o "$SERVER" "${zarg[@]}" "$downloadUrl" 2>&1)
  case $? in
    0)
      ;;
    22) # = 404 HTTP status
      if versions=$(curl -fsSL https://papermc.io/api/v1/paper 2> /dev/null); then
        if [[ $VERSION = LATEST ]]; then
          VANILLA_VERSION=$(echo $versions | jq -r '.versions[0]')
          log "WARN: using ${VANILLA_VERSION} since that's the latest provided by PaperMC"
          # re-execute the current script with the newly computed version
          exec $0 "$@"
        fi
        log "ERROR: ${VANILLA_VERSION} is not (yet) published by PaperMC"
        log "       Set VERSION to one of the following: "
        log "       $(echo $versions | jq -r '.versions | join(", ")')"
      else
        log "ERROR: failed to retrieve versions from https://papermc.io/api/v1/paper"
      fi
      exit 3
      ;;
    *)
      log "ERROR: failed to contact PaperMC at $downloadUrl"
      log "       $out"
      exit 3
      ;;
  esac
fi

# Normalize on Spigot for downstream operations
export TYPE=SPIGOT
export SKIP_LOG4J_CONFIG=true

# Continue to Final Setup
exec ${SCRIPTS:-/}start-finalSetupWorld $@