export const dynamic = 'force-dynamic'

import { NextRequest, NextResponse } from 'next/server'
import { createClient } from '@/lib/supabase/server'
import { getSession } from '@/lib/auth/get-session'
import { createInAppNotifications } from '@/lib/notifications/in-app'

export async function POST(
  _request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  const { id } = await params
  const session = await getSession()
  if (!session) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
  if (!['hse', 'admin'].includes(session.role))
    return NextResponse.json({ error: 'Forbidden' }, { status: 403 })

  const supabase = await createClient()

  const { data: incident } = await supabase
    .from('incidents')
    .select('status, reference_no, reported_by')
    .eq('id', id)
    .single()
  if (!incident) return NextResponse.json({ error: 'Not found' }, { status: 404 })
  if (incident.status === 'closed')
    return NextResponse.json({ error: 'Already closed' }, { status: 409 })
  if (incident.status !== 'verification')
    return NextResponse.json({ error: 'Incident must be in verification status' }, { status: 409 })

  const { data: openCapas } = await supabase
    .from('capa_actions')
    .select('id')
    .eq('incident_id', id)
    .not('status', 'in', '(verified,closed)')
  if (openCapas && openCapas.length > 0)
    return NextResponse.json({ error: 'All CAPA actions must be verified before closure' }, { status: 409 })

  const closedAt = new Date().toISOString()
  const { error } = await supabase
    .from('incidents')
    .update({ status: 'closed', closed_at: closedAt })
    .eq('id', id)
  if (error) return NextResponse.json({ error: 'Update failed' }, { status: 500 })

  await supabase.rpc('write_audit_log', {
    p_table_name: 'incidents',
    p_record_id: id,
    p_action: 'closed',
    p_new_value: { status: 'closed', closed_at: closedAt, closed_by: session.sub },
  })

  if (incident.reported_by) {
    await createInAppNotifications([{
      userId: incident.reported_by,
      title: `Your incident report ${incident.reference_no ?? ''} has been closed`,
      link: '/reporter',
      incidentId: id,
    }])
  }

  return NextResponse.json({ ok: true, closed_at: closedAt })
}