#!/bin/bash

if [[ -z "${STEAM_USER}" ]] || [[ -z "${STEAM_PASS}" ]]; then
    echo -e "Steam user is not set.\nUsing anonymous user."
    STEAM_USER=anonymous
    STEAM_PASS=""
    STEAM_AUTH=""
else
    echo -e "User set to ${STEAM_USER}"
fi

# Download and install SteamCMD
cd /tmp
mkdir -p /mnt/server/steamcmd
curl -sSL -o steamcmd.tar.gz https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz
tar -xzvf steamcmd.tar.gz -C /mnt/server/steamcmd
mkdir -p /mnt/server/steamapps
cd /mnt/server/steamcmd

chown -R root:root /mnt
export HOME=/mnt/server

# Install game via SteamCMD
./steamcmd.sh \
+force_install_dir /mnt/server \
+login ${STEAM_USER} ${STEAM_PASS} ${STEAM_AUTH} \
+app_set_config 90 mod ${HLDS_GAME} \
$( [[ "${WINDOWS_INSTALL}" == "1" ]] && printf %s '+@sSteamCmdForcePlatformType windows' ) \
+app_update ${SRCDS_APPID} \
$( [[ -z ${SRCDS_BETAID} ]] || printf %s "-beta ${SRCDS_BETAID}" ) \
$( [[ -z ${SRCDS_BETAPASS} ]] || printf %s "-betapassword ${SRCDS_BETAPASS}" ) \
${INSTALL_FLAGS} validate \
+quit

mkdir -p /mnt/server/.steam/sdk32
cp -v linux32/steamclient.so ../.steam/sdk32/steamclient.so
mkdir -p /mnt/server/.steam/sdk64
cp -v linux64/steamclient.so ../.steam/sdk64/steamclient.so

cd /mnt/server

# Download repo etc
REPO_OWNER="Red-Banana-Official"
REPO_NAME="cstrike1.6_rehlds"
RELEASE_DATA=$(curl -s https://api.github.com/repos/$REPO_OWNER/$REPO_NAME/releases/latest)

TAG_NAME=$(echo "$RELEASE_DATA" | jq -r '.tag_name')
[[ "$TAG_NAME" == "null" ]] && TAG_NAME="1.0.0"

DOWNLOAD_URL=$(echo "$RELEASE_DATA" | jq -r '.zipball_url')
OUTPUT_FILE="$REPO_NAME-$TAG_NAME.zip"

rm -rf ${REPO_OWNER}-*
echo "Downloading release: $OUTPUT_FILE"
curl -sSL -o "$OUTPUT_FILE" "$DOWNLOAD_URL" || { echo "Failed to download $OUTPUT_FILE"; exit 1; }
echo "Downloaded: $OUTPUT_FILE"
echo "-----------------------------------------"

unzip -q -o "$OUTPUT_FILE"
rm -f "$OUTPUT_FILE"

EXTRACTED_DIR=$(find . -maxdepth 1 -type d -name "${REPO_OWNER}-*" | head -n 1)
cd "$EXTRACTED_DIR"

# Module install
install_module() {
    local NAME=$1
    local DIR=$2
    ZIP=$(find modules/$DIR/ -type f -name '*.zip' | sort -V | tail -n 1)
    
    if [[ -z "$ZIP" ]]; then
        echo "Error: ZIP file for module '$NAME' not found."
        return 1
    fi

    echo "Installing module: $NAME"
    
    mkdir -p "${NAME}-install"
    cp "$ZIP" "${NAME}-install"
    cd "${NAME}-install"
    unzip -q -o *.zip

    case "$NAME" in
        "rehlds"|"ReGameDLL_CS") 
            cp -r bin/linux32/* /mnt/server
            ;;
        "amxmodx"|"reapi") 
            cp -r addons /mnt/server/cstrike
            ;;
        "metamod-r")
            cp -r addons /mnt/server/cstrike
            mkdir -p /mnt/server/cstrike/addons/metamod
            touch /mnt/server/cstrike/addons/metamod/plugins.ini
            grep -qxF "linux addons/amxmodx/dlls/amxmodx_mm_i386.so" /mnt/server/cstrike/addons/metamod/plugins.ini || echo "linux addons/amxmodx/dlls/amxmodx_mm_i386.so" >> /mnt/server/cstrike/addons/metamod/plugins.ini
            sed -i 's|^gamedll_linux.*|gamedll_linux "addons/metamod/metamod_i386.so"|' /mnt/server/cstrike/liblist.gam || echo 'gamedll_linux "addons/metamod/metamod_i386.so"' >> /mnt/server/cstrike/liblist.gam
            ;;
        "reunion")
            mkdir -p /mnt/server/cstrike/addons/metamod/reunion/
            cp -r bin/Linux/* /mnt/server/cstrike/addons/metamod/reunion/
            touch /mnt/server/cstrike/addons/metamod/plugins.ini
            grep -qxF "linux addons/metamod/reunion/reunion_mm_i386.so" /mnt/server/cstrike/addons/metamod/plugins.ini || echo "linux addons/metamod/reunion/reunion_mm_i386.so" >> /mnt/server/cstrike/addons/metamod/plugins.ini
            cp reunion.cfg /mnt/server/cstrike/reunion.cfg
            SALT=$(tr -dc 'A-Za-z0-9' < /dev/urandom | head -c 50)
            sed -i "s/^SteamIdHashSalt\s*=.*/SteamIdHashSalt = $SALT/" /mnt/server/cstrike/reunion.cfg
            ;;
    esac

    cd ..
    rm -rf "${NAME}-install"
    echo "Module '$NAME' installed successfully."
}

declare -A MODULES=(
    ["rehlds"]="rehlds"
    ["amxmodx"]="amxmodx"
    ["ReGameDLL_CS"]="ReGameDLL_CS"
    ["reapi"]="reapi"
    ["metamod-r"]="metamod-r"
    ["reunion"]="reunion"
)

IFS=',' read -r -a MODULE_LIST <<< "${INSTALL_MODULES}"
for mod in "${MODULE_LIST[@]}"; do
    [[ -n "${MODULES[$mod]}" ]] && install_module "$mod" "${MODULES[$mod]}"
done

# Ensure files exist
mkdir -p /mnt/server/cstrike/addons/amxmodx/data
[[ ! -f /mnt/server/cstrike/listip.cfg ]] && echo "// Banned IPs" > /mnt/server/cstrike/listip.cfg
[[ ! -f /mnt/server/cstrike/banned.cfg ]] && echo "// Banned IDs" > /mnt/server/cstrike/banned.cfg
[[ ! -f /mnt/server/cstrike/addons/amxmodx/data/csstats.dat ]] && touch /mnt/server/cstrike/addons/amxmodx/data/csstats.dat

chmod -R 777 /mnt/server
rm -rf /mnt/server/Red-Banana-Official-*

echo "-----------------------------------------"
echo "Installation Complete!"
echo "-----------------------------------------"