#!/bin/bash

# 数据备份脚本
# 备份 /opt/gamer 的数据到 /opt/backup/data/YYYYMMDD/gamer

# 设置变量
SOURCE_DIR="/opt/gamer"
BACKUP_ROOT="/opt/backup/data"
DATE=$(date +%Y%m%d)
BACKUP_DIR="${BACKUP_ROOT}/${DATE}/gamer"

# 创建备份目录
mkdir -p "${BACKUP_DIR}"

# 备份数据库
echo "[$(date '+%Y-%m-%d %H:%M:%S')] 开始备份数据库..."
export SOURCE_DIR BACKUP_DIR
node <<'NODE'
const path = require('path');

const sourceDir = process.env.SOURCE_DIR;
const backupDir = process.env.BACKUP_DIR;
const Database = require(path.join(sourceDir, 'node_modules', 'better-sqlite3'));

async function main() {
  const db = new Database(path.join(sourceDir, 'data.db'), { readonly: true });
  try {
    await db.backup(path.join(backupDir, 'data.db'));
  } finally {
    db.close();
  }
}

main().catch((err) => {
  console.error(err);
  process.exit(1);
});
NODE
if [ $? -eq 0 ]; then
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] 数据库备份完成"
else
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] 数据库备份失败"
    exit 1
fi

# 备份 public 目录
echo "[$(date '+%Y-%m-%d %H:%M:%S')] 开始备份 public 目录..."
cp -r "${SOURCE_DIR}/public" "${BACKUP_DIR}/public"
if [ $? -eq 0 ]; then
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] public 目录备份完成"
else
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] public 目录备份失败"
    exit 1
fi

# 记录备份日志
echo "[$(date '+%Y-%m-%d %H:%M:%S')] 备份完成: ${BACKUP_DIR}"

# 清理7天前的旧备份（可选）
find "${BACKUP_ROOT}" -type d -name "20*" -mtime +7 -exec rm -rf {} \; 2>/dev/null
echo "[$(date '+%Y-%m-%d %H:%M:%S')] 旧备份清理完成"