#!/bin/bash
# Sunkenland SteamCMD Base Installation Script
# Image: ghcr.io/ptero-eggs/installers:debian
# Server Files: /mnt/server

# --- Install dependencies ---
apt update -y
apt install -y rsync curl tar git

# --- Steam Variables ---
# STEAM_USER, STEAM_PASS, STEAM_AUTH - Steam login info (optional)
# SRCDS_APPID - Steam App ID (Sunkenland = 2512750)
# SRCDS_BETAID, SRCDS_BETAPASS - Optional beta branch/password
# WINDOWS_INSTALL - Set to 1 for Windows game
# INSTALL_FLAGS - Extra steamcmd flags
# AUTO_UPDATE - Set to 1 or 0

# --- Validate Steam credentials ---
if [[ -z "${STEAM_USER}" || -z "${STEAM_PASS}" ]]; then
    echo "No Steam credentials provided. Using anonymous login."
    STEAM_USER="anonymous"
    STEAM_PASS=""
    STEAM_AUTH=""
else
    echo "Steam user set to: ${STEAM_USER}"
fi

# --- 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

# --- Run SteamCMD to install the game ---
./steamcmd.sh +force_install_dir /mnt/server +login ${STEAM_USER} ${STEAM_PASS} ${STEAM_AUTH} $( [[ "${WINDOWS_INSTALL}" == "1" ]] && echo '+@sSteamCmdForcePlatformType windows' ) +app_update ${SRCDS_APPID} $( [[ -n "${SRCDS_BETAID}" ]] && echo "-beta ${SRCDS_BETAID}" ) $( [[ -n "${SRCDS_BETAPASS}" ]] && echo "-betapassword ${SRCDS_BETAPASS}" ) ${INSTALL_FLAGS} validate +quit

# --- Setup Steam client libraries ---
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

# --- Validate SERVER_NAME ---
if [[ -z "${SERVER_NAME}" ]]; then
    echo "SERVER_NAME is empty. Using fallback: 'Pterodactyl Sunkenland'"
    SERVER_NAME="Pterodactyl Sunkenland"
else
    echo "SERVER_NAME is: ${SERVER_NAME}"
fi

# --- Define world file directory ---
WORLD_BASE="/mnt/server/.wine/drive_c/users/container/AppData/LocalLow/Vector3 Studio/Sunkenland"
WORLD_DIR="$WORLD_BASE/Worlds"

# --- Optional world file setup ---
TARGET_GUID="11223344-5566-7788-99aa-bbccddeeff00"

if [[ "${WORLD_GUID}" == "$TARGET_GUID" ]]; then
    echo "Detected matching GUID '$TARGET_GUID' — Downloading standard world files..."

    # Clone specific folder from GitHub (sparse checkout)
    mkdir -p /tmp/world_files
    git clone --depth 1 --filter=blob:none --sparse --branch main https://github.com/Ptero-Eggs/game-eggs/sunkenland /tmp/world_files/worlds
    cd /tmp/world_files/worlds
    git sparse-checkout init --cone
    git sparse-checkout set sunkenland/world_files
    git pull origin main

    # Copy world files into place
    mkdir -p "$WORLD_BASE"
    rsync -a /tmp/world_files/worlds/sunkenland/world_files/Worlds/ "$WORLD_DIR/"

    # Rename downloaded world folder
    ORIGINAL_FOLDER="$WORLD_DIR/World~${WORLD_GUID}"
    NEW_FOLDER="$WORLD_DIR/${SERVER_NAME}~${WORLD_GUID}"

    if [[ -d "$ORIGINAL_FOLDER" ]]; then
        if [[ "$ORIGINAL_FOLDER" != "$NEW_FOLDER" ]]; then
            if [[ -d "$NEW_FOLDER" ]]; then
                echo "Removing existing folder at $NEW_FOLDER to avoid nesting."
                rm -rf "$NEW_FOLDER"
            fi
            mv "$ORIGINAL_FOLDER" "$NEW_FOLDER"
            echo "World folder renamed from 'World' to '${SERVER_NAME}', with GUID: ${WORLD_GUID}"
        else
            echo "World folder already named correctly: $ORIGINAL_FOLDER"
        fi
    else
        echo "Expected world folder not found at: $ORIGINAL_FOLDER"
    fi

    rm -rf /tmp/world_files
else
    echo "WORLD_GUID is '${WORLD_GUID}' — skipping auto world setup."
fi

# --- Handle manually uploaded world folder ---
FOUND_FOLDERS=$(find "$WORLD_DIR" -maxdepth 1 -type d -name "*~${WORLD_GUID}" -printf "%f\n")

if [[ -n "$FOUND_FOLDERS" ]]; then
    while IFS= read -r folder; do
        ORIGINAL_FOLDER="$WORLD_DIR/$folder"
        NEW_FOLDER="$WORLD_DIR/${SERVER_NAME}~${WORLD_GUID}"

        if [[ "$ORIGINAL_FOLDER" != "$NEW_FOLDER" ]]; then
            if [[ -d "$NEW_FOLDER" ]]; then
                echo "Removing existing folder at $NEW_FOLDER to avoid nesting."
                rm -rf "$NEW_FOLDER"
            fi
            mv "$ORIGINAL_FOLDER" "$NEW_FOLDER"
            echo "Manually uploaded world folder renamed to: $NEW_FOLDER"
        else
            echo "World folder already correctly named: $ORIGINAL_FOLDER"
        fi
    done <<< "$FOUND_FOLDERS"
else
    echo "No folder found with GUID: $WORLD_GUID"
fi

# --- Ensure AdminSteamIDs.txt and BanSteamIDs.txt exist ---
FINAL_WORLD_DIR="$WORLD_DIR/${SERVER_NAME}~${WORLD_GUID}"

if [[ -d "$FINAL_WORLD_DIR" ]]; then
    ADMIN_FILE="$FINAL_WORLD_DIR/AdminSteamIDs.txt"
    BAN_FILE="$FINAL_WORLD_DIR/BanSteamIDs.txt"

    if [[ ! -f "$ADMIN_FILE" ]]; then
        touch "$ADMIN_FILE"
        echo "Created missing AdminSteamIDs.txt"
    else
        echo "AdminSteamIDs.txt already exists"
    fi

    if [[ ! -f "$BAN_FILE" ]]; then
        touch "$BAN_FILE"
        echo "Created missing BanSteamIDs.txt"
    else
        echo "BanSteamIDs.txt already exists"
    fi
else
    echo "World folder not found at: $FINAL_WORLD_DIR — skipping admin/ban file creation"
fi

echo "-----------------------------------------"
echo "Sunkenland installation completed."
echo "-----------------------------------------"