import { NextResponse } from 'next/server'
import { withRouteContext } from '@/lib/api/with-route-context'
import { validateQuery } from '@/lib/api/validate'
import { PendingOperationsQuerySchema } from '@/lib/api/schemas'

/**
 * GET /api/pending-operations
 *
 * List pending operations for the authenticated user.
 * Query params: status (default: pending), limit, offset
 */
export const GET = withRouteContext(
  'pending_operation.list',
  async (request, { supabase, companyId }) => {
    const result = validateQuery(request, PendingOperationsQuerySchema)
    if (!result.success) return result.response
    const { status, limit, offset } = result.data

    // Terminal tabs (Godkända/Avvisade) order by when the op was RESOLVED, not
    // created: auto-expired ops are ≥30 days old by construction, so a
    // created_at ordering would bury a fresh expiry sweep below a month of
    // newer rejections and the "Utgick automatiskt" context would never be seen.
    const orderColumn = status === 'pending' ? 'created_at' : 'resolved_at'

    const { data, error, count } = await supabase
      .from('pending_operations')
      .select('*', { count: 'exact' })
      .eq('company_id', companyId)
      .eq('status', status)
      .order(orderColumn, { ascending: false, nullsFirst: false })
      .range(offset, offset + limit - 1)

    if (error) {
      return NextResponse.json({ error: error.message }, { status: 500 })
    }

    return NextResponse.json({ data: data ?? [], count })
  },
)