#!/bin/bash
# Check Proxmox backup job status
set -euo pipefail

SEND_NTFY="/usr/local/bin/send-ntfy.sh"

# Check for recent backup failures in task log
FAILED_BACKUPS=$(pvesh get /cluster/tasks --limit 50 2>/dev/null | grep -i backup | grep -i "TASK ERROR" || echo "")

if [ -n "$FAILED_BACKUPS" ]; then
    FAIL_COUNT=$(echo "$FAILED_BACKUPS" | wc -l)
    $SEND_NTFY critical "Backup Job Failed" "🔴 CRITICAL: $FAIL_COUNT backup job(s) failed recently!\nCheck PVE GUI for details." "skull,error,cd"
fi

# Check if backups are recent (check backup storage)
if [ -d "/mnt/pve/Fred/dump" ]; then
    LATEST_BACKUP=$(find /mnt/pve/Fred/dump -name "*.vma.zst" -o -name "*.tar.zst" 2>/dev/null | sort | tail -1)
    
    if [ -n "$LATEST_BACKUP" ]; then
        BACKUP_AGE=$(stat -c %Y "$LATEST_BACKUP")
        NOW=$(date +%s)
        AGE_DAYS=$(( (NOW - BACKUP_AGE) / 86400 ))
        
        if [ "$AGE_DAYS" -gt 7 ]; then
            $SEND_NTFY warning "Backups Stale" "🟡 WARNING: No backup in $AGE_DAYS days! Last backup:\n$(basename $LATEST_BACKUP)" "warning,cd"
        fi
    else
        $SEND_NTFY warning "No Backups Found" "🟡 WARNING: No backup files found in backup storage!" "warning,cd"
    fi
fi

logger -t backup-monitor "Backup check completed"