#!/bin/bash

# CRM 数据库备份脚本

set -e

# 配置
BACKUP_DIR="/opt/backups/crm"
DB_PATH="/opt/crm/src/data/crm.db"
DATE=$(date +%Y%m%d_%H%M%S)
RETENTION_DAYS=30

# 创建备份目录
mkdir -p $BACKUP_DIR

# 备份数据库
echo "📦 开始备份数据库..."
cp $DB_PATH $BACKUP_DIR/crm_$DATE.db

# 压缩备份
cd $BACKUP_DIR
gzip crm_$DATE.db

echo "✅ 备份完成：crm_$DATE.db.gz"

# 清理旧备份
echo "🧹 清理 ${RETENTION_DAYS} 天前的备份..."
find $BACKUP_DIR -name "crm_*.db.gz" -mtime +$RETENTION_DAYS -delete

echo "✅ 备份清理完成"

# 显示备份列表
echo ""
echo "📋 当前备份:"
ls -lh $BACKUP_DIR/*.gz 2>/dev/null || echo "暂无备份"