#!/bin/bash
set -euo pipefail
IFS=$'\n\t'

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

: ${VANILLA_VERSION:?}
: ${PURPUR_BUILD:=LATEST}
: ${FORCE_REDOWNLOAD:=false}

if [[ ${PURPUR_BUILD} == LATEST ]]; then
  PURPUR_BUILD=$(curl -fsSL "https://purpur.pl3x.net/api/v1/purpur/${VANILLA_VERSION}" |
    jq -r '.builds.latest' || echo "")
  if [[ -z ${PURPUR_BUILD} ]]; then
    log "ERROR: Failed to locate a Purpur build for ${VANILLA_VERSION}."
    log "       Please check if a download is available at https://purpur.pl3x.net/downloads/"
    exit 3
  fi
fi

export SERVER="purpur-${VANILLA_VERSION}-${PURPUR_BUILD}.jar"

if [ ! -f "$SERVER" ] || isTrue "$FORCE_REDOWNLOAD"; then
    downloadUrl="https://purpur.pl3x.net/api/v1/purpur/${VANILLA_VERSION}/${PURPUR_BUILD}/download"
    log "Downloading Purpur from $downloadUrl ..."
    if ! curl -fsSL -o "$SERVER" "$downloadUrl"; then
      log "ERROR: failed to download from $downloadUrl (status=$?)"
      exit 3
    fi
fi

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

exec ${SCRIPTS:-/}start-spiget "$@"