#!/usr/bin/env bash
# ==============================================================================
# Mac mini 核心数据自动备份至极空间 Z4 (20TB NAS) 脚本
# 每天凌晨 03:30 自动打包备份 Vaultwarden 密码库、Sun-Panel 导航页及 Homelab 配置
# ==============================================================================
set -euo pipefail

NAS_BACKUP_DIR="/Users/ixvii0iv/nas/个人空间/MacMini_Backups"
TIMESTAMP=$(date '+%Y%m%d_%H%M%S')

# 确保极空间已挂载
/Users/ixvii0iv/homelab/scripts/mount-zspace.sh >/dev/null 2>&1 || true

if [ ! -d "/Users/ixvii0iv/nas/个人空间" ]; then
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] [WARN] 极空间未挂载，跳过本次备份"
    exit 0
fi

mkdir -p "$NAS_BACKUP_DIR"

ARCHIVE="$NAS_BACKUP_DIR/homelab_backup_${TIMESTAMP}.tar.gz"
tar -czf "$ARCHIVE" \
    -C /Users/ixvii0iv/homelab \
    stacks/vaultwarden/data \
    stacks/portal \
    configs \
    scripts \
    README.md PLAN.md CHANGELOG.md 2>/dev/null || true

# 保留最近 30 份备份
ls -1t "$NAS_BACKUP_DIR"/homelab_backup_*.tar.gz 2>/dev/null | tail -n +31 | xargs rm -f 2>/dev/null || true

echo "[$(date '+%Y-%m-%d %H:%M:%S')] [OK] 已备份至极空间: $ARCHIVE"