#! /bin/bash

set -uxe

update_cssds() {
    cd $STEAMCMD
    ./steamcmd.sh +runscript "$HOME/etc/update_cssds.txt"

    echo "--------------------------------------------------------------"
    echo "CSS DS is up to date"
    echo "--------------------------------------------------------------"
}

update_tf2ds() {
    cd $STEAMCMD
    ./steamcmd.sh +runscript "$HOME/etc/update_tf2ds.txt"

    echo "--------------------------------------------------------------"
    echo "TF2 DS is up to date"
    echo "--------------------------------------------------------------"
}

install_metamod() {
    # is the metamod folder missing?
    if [ ! -d "$CSSDS/addons/metamod" ]; then
        LATESTMM=$(wget -qO- https://mms.alliedmods.net/mmsdrop/"${METAMOD_VERSION}"/mmsource-latest-linux)
        wget -qO- https://mms.alliedmods.net/mmsdrop/"${METAMOD_VERSION}"/"${LATESTMM}" | tar xvzf - -C "$CSSDS"
        echo "--------------------------------------------------------------"
        echo "Installed MetaMod $METAMOD_VERSION"
        echo "--------------------------------------------------------------"
    fi
}

install_sourcemod() {
    # Are we in a sourcemod container and is the sourcemod folder missing?
    if [ ! -d "$CSSDS/addons/sourcemod" ]; then
        LATESTSM=$(wget -qO- https://sm.alliedmods.net/smdrop/"${SOURCEMOD_VERSION}"/sourcemod-latest-linux)
        wget -qO- https://sm.alliedmods.net/smdrop/"${SOURCEMOD_VERSION}"/"${LATESTSM}" | tar xvzf - -C "$CSSDS"
        echo "--------------------------------------------------------------"
        echo "Installed SourceMod $SOURCEMOD_VERSION"
        echo "--------------------------------------------------------------"
    fi
}

copy_64bit() {
  cp -a "$TF2DS/bin/linux64/libsteam_api.so" \
    "$CSSDS/bin/linux64/."
  cp -a "$TF2DS/srcds_linux64" "$TF2DS/srcds_run_64" \
    "$CSSDS/."
}

symlink_binaries() {
  cd "$CSSDS/bin/linux64"

  for file in *_srv.so; do
    echo "Symlinking \"$file\" to \"${file/_srv/}"
    ln -s "$file" "${file/_srv/}"
  done
}

steamclient_binary() {
  echo "Looking for steamclient.so and symlinking it..."
  local _steamclient64bit=$(find "$HOME" -type f -name 'steamclient.so' | grep "linux64" | head -n 1)
  if [ ! -n $_steamclient64bit ]; then
    echo "Could not locate 64-bit steamclient.so binary. Exiting..."
    exit 1
  fi

  mkdir -p "$HOME/.steam/sdk64/" # srcds_linux64 looks for steamclient.so in this directory
  ln -nfs "$_steamclient64bit" "$HOME/.steam/sdk64/steamclient.so"
  ln -nfs "$_steamclient64bit" "$CSSDS/bin/linux64/steamclient.so"
}

run_cssds() {
    echo "ready to run"
    cd "$CSSDS"
    ./srcds_run_64 -game cstrike +map de_dust2 -debug
}

main() {
  update_cssds
  update_tf2ds
  copy_64bit
  symlink_binaries
  steamclient_binary

  install_metamod
  install_sourcemod

  run_cssds
}

main