import { createError, getQuery } from 'h3'
import { searchAddresses } from '../../utils/geocoding'

export default defineEventHandler(async (event) => {
  const query = getQuery(event)
  const rawText = typeof query.q === 'string' ? query.q.trim() : ''
  const rawLimit = typeof query.limit === 'string' ? Number.parseInt(query.limit, 10) : 5
  const limit = Number.isFinite(rawLimit) ? Math.min(Math.max(rawLimit, 1), 8) : 5

  if (rawText.length < 3) {
    throw createError({
      statusCode: 400,
      statusMessage: 'Query too short'
    })
  }

  const suggestions = await searchAddresses(rawText, limit)

  return { suggestions }
})