#!/bin/bash

# Wait for the container to fully initialize
sleep 1

# Default the TZ environment variable to UTC.
TZ=${TZ:-UTC}
export TZ

# Set environment variable that holds the Internal Docker IP
INTERNAL_IP=$(ip route get 1 | awk '{print $(NF-2);exit}')
export INTERNAL_IP

# Switch to the container's working directory
cd /home/container || exit 1

# Default steam user
if [ "${STEAM_USER}" == "" ]; then
    echo -e "steam user is not set.\n"
    echo -e "Using anonymous user.\n"
    STEAM_USER=anonymous
    STEAM_PASS=""
    STEAM_AUTH=""
else
    echo -e "user set to ${STEAM_USER}"
fi

# Auto update
if [ -z ${AUTO_UPDATE} ] || [ "${AUTO_UPDATE}" == "1" ]; then
    if [ ! -z ${SRCDS_APPID} ]; then
        /usr/games/steamcmd/steamcmd.sh +force_install_dir /home/container +login ${STEAM_USER} ${STEAM_PASS} ${STEAM_AUTH} +app_update 1007 +app_update ${SRCDS_APPID} $( [[ -z ${SRCDS_BETAID} ]] || printf %s "-beta ${SRCDS_BETAID}" ) $( [[ -z ${SRCDS_BETAPASS} ]] || printf %s "-betapassword ${SRCDS_BETAPASS}" ) $( [[ -z ${HLDS_GAME} ]] || printf %s "+app_set_config 90 mod ${HLDS_GAME}" ) $( [[ -z ${VALIDATE} ]] || printf %s "validate" ) +quit
    else
        echo -e "No appid set. Starting Server"
    fi
else
    echo -e "Not updating game server as auto update was set to 0. Starting Server"
fi

# Create Steam SDK symlinks
mkdir -p .steam/sdk64
ln -sf /usr/games/steamcmd/linux64/steamclient.so .steam/sdk64/steamclient.so
ln -sf /usr/games/steamcmd/linux32/steamclient.so .steam/sdk32/steamclient.so

# Clone Git addons if GIT_REPOS is set
if [ ! -z "${GIT_REPOS}" ]; then
    IFS=',' read -ra REPOS <<< "$GIT_REPOS"
    for repo in "${REPOS[@]}"; do
        repo=$(echo "$repo" | xargs)
        if [ ! -z "$repo" ]; then
            REPO_NAME=$(basename "$repo" .git)
            ADDON_DIR="garrysmod/addons/${REPO_NAME}"
            if [ -d "$ADDON_DIR/.git" ]; then
                echo "Updating Git addon: ${REPO_NAME}..."
                cd "$ADDON_DIR" && git pull && cd /home/container
            else
                echo "Cloning Git addon: ${REPO_NAME}..."
                git clone "$repo" "$ADDON_DIR"
            fi
        fi
    done
fi

# Load Workshop collection
if [ ! -z "${SRCDS_WORKSHOP_COLLECTION}" ]; then
    echo "Workshop collection ${SRCDS_WORKSHOP_COLLECTION} will be loaded on first start."
fi

# Replace Startup Variables
MODIFIED_STARTUP=$(echo ${STARTUP} | sed -e 's/{{/${/g' -e 's/}}/}/g')
echo -e ":/home/container$ ${MODIFIED_STARTUP}"

# Run the Server
eval ${MODIFIED_STARTUP}