#!/bin/bash
#===============================================================================
# Garry's Mod PropHunt Server - Backup Script
#===============================================================================

INSTALL_DIR="${GMOD_INSTALL_DIR:-/home/gmod}"
SERVER_DIR="${INSTALL_DIR}/serverfiles"
BACKUP_DIR="${BACKUP_DIR:-/home/gmod/backups}"
DATE=$(date +%Y%m%d_%H%M%S)
BACKUP_NAME="gmod_prophunt_backup_${DATE}.tar.gz"

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'

log_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
log_success() { echo -e "${GREEN}[SUCCESS]${NC} $1"; }

echo -e "${GREEN}"
echo "╔═══════════════════════════════════════════════════════════════╗"
echo "║          💾 Garry's Mod PropHunt Backup Script 💾             ║"
echo "╚═══════════════════════════════════════════════════════════════╝"
echo -e "${NC}"

# Create backup directory
mkdir -p "$BACKUP_DIR"

log_info "Creating backup..."

# Items to backup
BACKUP_ITEMS=(
    "$SERVER_DIR/garrysmod/cfg"
    "$SERVER_DIR/garrysmod/data"
    "$SERVER_DIR/garrysmod/addons/ulib"
    "$SERVER_DIR/garrysmod/addons/ulx"
    "$SERVER_DIR/garrysmod/addons/sourcemod/configs"
    "$SERVER_DIR/garrysmod/addons/sourcemod/data"
)

# Create temporary directory for backup
TEMP_BACKUP="/tmp/gmod_backup_${DATE}"
mkdir -p "$TEMP_BACKUP"

# Copy files to temp directory
for item in "${BACKUP_ITEMS[@]}"; do
    if [[ -e "$item" ]]; then
        cp -r "$item" "$TEMP_BACKUP/" 2>/dev/null
    fi
done

# Create compressed archive
cd /tmp
tar -czf "$BACKUP_DIR/$BACKUP_NAME" "gmod_backup_${DATE}"

# Cleanup temp directory
rm -rf "$TEMP_BACKUP"

# Keep only last 7 backups
cd "$BACKUP_DIR"
ls -t gmod_prophunt_backup_*.tar.gz | tail -n +8 | xargs -r rm

log_success "Backup created: $BACKUP_DIR/$BACKUP_NAME"

# Show backup size
BACKUP_SIZE=$(du -h "$BACKUP_DIR/$BACKUP_NAME" | cut -f1)
echo ""
echo -e "${BLUE}Backup Details:${NC}"
echo "  • Location: $BACKUP_DIR/$BACKUP_NAME"
echo "  • Size: $BACKUP_SIZE"
echo ""

# List recent backups
echo -e "${BLUE}Recent Backups:${NC}"
ls -lh "$BACKUP_DIR"/*.tar.gz 2>/dev/null | tail -5