import { NextResponse } from 'next/server'
import { requireAdmin, getSession } from '@/lib/auth'
import { createAuditLog } from '@/lib/audit'

export async function POST(request: Request) {
  try {
    const adminCheck = await requireAdmin()
    if (adminCheck) return adminCheck

    const session = await getSession()

    // In production, this would:
    // 1. Dump the database to a file
    // 2. Compress the dump
    // 3. Store in backup storage (S3, local filesystem, etc.)
    // 4. Record the backup in the database

    // Simulated backup creation
    const backupId = crypto.randomUUID()
    const timestamp = new Date().toISOString().replace(/[:.]/g, '-')
    const filename = `backup-${timestamp}.sql.gz`

    // Log the action
    await createAuditLog({
      userId: session?.userId,
      action: 'BACKUP_CREATED',
      category: 'MAINTENANCE',
      details: { filename, backupId },
      ipAddress: request.headers.get('x-forwarded-for') || undefined
    })

    return NextResponse.json({
      success: true,
      backup: {
        id: backupId,
        filename,
        size: 1024 * 1024 * 5, // 5MB simulated
        createdAt: new Date().toISOString(),
        type: 'manual'
      }
    })
  } catch (error) {
    console.error('Failed to create backup:', error)
    return NextResponse.json({ error: 'Internal server error' }, { status: 500 })
  }
}
