#!/bin/bash

# Configuration
REPO_URL="https://github.com/Teddy-1024/minecraft_server_zombie.git"
SYNC_FOLDERS="mods config kubejs defaultconfigs scripts resources patchouli_books pfm modernfix"

# Clear screen and show header
clear
echo "Minecraft Server Sync Tool"
echo "========================"
echo

# Check if git is installed
if ! command -v git &> /dev/null; then
    echo "Git is not installed."
    echo "Please install Git using your distribution's package manager"
    echo "For example: sudo apt install git"
    read -p "Press Enter to exit..."
    exit 1
fi

# Create a temporary directory for the git operations
TEMP_GIT_DIR="/tmp/mc_git_sync"
rm -rf "$TEMP_GIT_DIR"
mkdir -p "$TEMP_GIT_DIR"
cd "$TEMP_GIT_DIR"

# Initialize git repo
git init
git remote add origin "$REPO_URL"
git config core.sparseCheckout true

# Set up sparse checkout for selected folders
rm -f .git/info/sparse-checkout
for folder in $SYNC_FOLDERS; do
    echo "$folder/" >> .git/info/sparse-checkout
done

# Fetch latest content
git fetch --depth 1 origin main
git checkout main

# Copy contents to instance folders
SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
for folder in $SYNC_FOLDERS; do
    if [ -d "$TEMP_GIT_DIR/$folder" ]; then
        echo "Syncing $folder..."
        # Create target directory if it doesn't exist
        mkdir -p "$SCRIPT_DIR/$folder"
        # Copy contents, updating only newer files
        rsync -u -r "$TEMP_GIT_DIR/$folder/" "$SCRIPT_DIR/$folder/"
    fi
done

# Clean up
cd "$SCRIPT_DIR"
rm -rf "$TEMP_GIT_DIR"

echo
echo "Sync completed successfully!"
echo
echo "This sync has:"
echo "- Updated all tracked files from the repository"
echo "- Preserved your local untracked files"
echo

read -p "Press Enter to exit..."