#!/usr/bin/env bash
set -euo pipefail

# Load IP configuration
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
source "${PROJECT_ROOT}/config/ip-addresses.conf" 2>/dev/null || true


# Script to restore LVM logical volumes from backup
# This is needed after RAID recreation

set -u

TARGET_NODE="r630-01"
TARGET_NODE_IP="${PROXMOX_HOST_R630_01}"
TARGET_NODE_PASS="password"

ssh_r630_01() {
    sshpass -p "$TARGET_NODE_PASS" ssh -o StrictHostKeyChecking=no -o ConnectTimeout=10 root@"$TARGET_NODE_IP" "$@" 2>&1
}

log_info() { echo -e "\033[0;34m[INFO]\033[0m $1"; }
log_success() { echo -e "\033[0;32m[✓]\033[0m $1"; }
log_error() { echo -e "\033[0;31m[✗]\033[0m $1"; }
log_warn() { echo -e "\033[1;33m[⚠]\033[0m $1"; }

# Check if we can find the data on the RAID
log_info "Checking RAID and VG status..."
ssh_r630_01 "cat /proc/mdstat | grep md0"
ssh_r630_01 "vgs pve"
ssh_r630_01 "pvs | grep pve"

log_info "Attempting to restore logical volumes..."
log_warn "This is a critical operation - data recovery may be needed"

# Try to use vgcfgrestore with all available backups
log_info "Checking available backups..."
BACKUP_FILE=$(ssh_r630_01 "ls -t /etc/lvm/backup/pve* /etc/lvm/archive/pve_*.vg 2>/dev/null | head -1")
if [ -n "$BACKUP_FILE" ]; then
    log_info "Found backup: $BACKUP_FILE"
    log_info "Attempting full restore..."
    ssh_r630_01 "vgcfgrestore -f $BACKUP_FILE pve --force" || {
        log_error "Restore failed"
        exit 1
    }
    
    log_info "Activating VG..."
    ssh_r630_01 "vgchange -ay pve"
    
    log_info "Scanning for logical volumes..."
    ssh_r630_01 "lvscan"
    
    log_info "Current LVM status:"
    ssh_r630_01 "lvs -a"
else
    log_error "No backup file found"
    exit 1
fi

log_info "Done. Check lvs output above to see if volumes were restored."