#!/bin/bash

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

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

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

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

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