#!/bin/bash
# FiveM Installation Script
#
# Server Files: /mnt/server
apt update -y
apt install -y tar xz-utils file jq

mkdir -p /mnt/server/resources

cd /mnt/server

echo "updating citizenfx resource files"
git clone https://github.com/citizenfx/cfx-server-data.git /tmp
cp -Rf /tmp/resources/* resources/

RELEASE_PAGE=$(curl -sSL https://runtime.fivem.net/artifacts/fivem/build_proot_linux/master/)
CHANGELOGS_PAGE=$(curl -sSL https://changelogs-live.fivem.net/api/changelog/versions/linux/server)

if [[ "${FIVEM_VERSION}" == "recommended" ]] || [[ -z ${FIVEM_VERSION} ]]; then
  DOWNLOAD_LINK=$(echo $CHANGELOGS_PAGE | jq -r '.recommended_download')
elif [[ "${FIVEM_VERSION}" == "latest" ]]; then
  DOWNLOAD_LINK=$(echo $CHANGELOGS_PAGE | jq -r '.latest_download')
else
  VERSION_LINK=$(echo -e "${RELEASE_PAGE}" | grep -Eo '".*/*.tar.xz"' | grep -Eo '".*/*.tar.xz"' | sed 's/\"//g'  | sed 's/\.\///1' | grep -i "${FIVEM_VERSION}" | grep -o =.* |  tr -d '=')
  if [[ "${VERSION_LINK}" == "" ]]; then
    echo -e "defaulting to recommedned as the version requested was invalid."
    DOWNLOAD_LINK=$(echo $CHANGELOGS_PAGE | jq -r '.recommended_download')
  else
    DOWNLOAD_LINK=$(echo https://runtime.fivem.net/artifacts/fivem/build_proot_linux/master/${VERSION_LINK})
  fi
fi

if [ ! -z "${DOWNLOAD_URL}" ]; then
  if curl --output /dev/null --silent --head --fail ${DOWNLOAD_URL}; then
    echo -e "link is valid. setting download link to ${DOWNLOAD_URL}"
    DOWNLOAD_LINK=${DOWNLOAD_URL}
  else
    echo -e "link is invalid closing out"
    exit 2
  fi
fi

echo -e "Running curl -sSL ${DOWNLOAD_LINK} -o ${DOWNLOAD_LINK##*/}"

curl -sSL ${DOWNLOAD_LINK} -o ${DOWNLOAD_LINK##*/}

echo "Extracting fivem files"

FILETYPE=$(file -F ',' ${DOWNLOAD_LINK##*/} | cut -d',' -f2 | cut -d' ' -f2)
if [ "$FILETYPE" == "gzip" ]; then
  tar xzvf ${DOWNLOAD_LINK##*/}
elif [ "$FILETYPE" == "Zip" ]; then
  unzip ${DOWNLOAD_LINK##*/}
elif [ "$FILETYPE" == "XZ" ]; then
  tar xvf ${DOWNLOAD_LINK##*/}
else
  echo -e "unknown filetype. Exiting"
  exit 2
fi

rm -rf ${DOWNLOAD_LINK##*/} run.sh

if [ -e server.cfg ]; then
  echo "Skipping downloading default server config file as one already exists"
else
  echo "Downloading default fivem config"
  curl https://raw.githubusercontent.com/ptero-eggs/game-eggs/main/gta/fivem/server.cfg >>server.cfg
fi

# Map GAME_NAME to GAME_TYPE before writing to server.cfg
if [ "${TXHOST_GAME_NAME}" == "fivem" ]; then
    GAME_TYPE="gta5"
elif [ "${TXHOST_GAME_NAME}" == "redm" ]; then
    GAME_TYPE="rdr3"
else
    echo "Invalid GAME_NAME specified: ${TXHOST_GAME_NAME}"
    exit 1
fi    

CFG_FILE="server.cfg"

# Only proceed if server.cfg exists
if [ -f "$CFG_FILE" ]; then
    # Remove old gamename block: comment and actual line
    sed -i '/^# set gamename/,+1d' "$CFG_FILE"

    # Append clean new block
    {
        echo "# set gamename"
        echo "set gamename \"${GAME_TYPE}\""
    } >> "$CFG_FILE"
else
    echo "Warning: $CFG_FILE not found. Skipping gamename insertion."
fi

mkdir -p logs/

echo "install complete"