import { useToString } from '@vueuse/core'
import { take } from 'echarts/types/src/component/helper/interactionMutex.js'

export default defineEventHandler(async (event) => {
  const query = getQuery(event)
  const name = useToString(query.name).value.split(' ')

  function pipelineFilter(keywords) {
    var result = [{}]
    keywords.forEach((keyword, index) => {
      result[index] = {
        $match: {
          $or: [
            {
              'name.family': {
                $regex: (index === 0 ? '^' : '') + keyword,
                $options: 'i',
              },
            },
            {
              'name.given': {
                $regex: (index === 0 ? '^' : '') + keyword,
                $options: 'i',
              },
            },
          ],
        },
      }
    })
    return result
  }

  try {
    if (Object.keys(query).length === 0) {
      return await prisma.practitioner.aggregateRaw({
        pipeline: [{ $limit: 100 }],
      })
    }
    const practitioners = await prisma.practitioner.aggregateRaw({
      pipeline: [
        // { $unwind: { path: '$name.family' } },
        ...pipelineFilter(name),
        {
          $limit: 10,
        },
        // {
        //   $project: {
        //     id: 1,
        //     name: 1,
        //   },
        // },
      ],
    })

    return practitioners
  } catch (error) {
    return {
      status: 500,
      body: {
        messages: 'failed to fetch practitioners',
        code: error,
      },
    }
  }
})