useNutritionAdvisor

export type messageType = 'text' | 'image' | 'response' | 'typing'

export interface ChatEntity {
  type: messageType
  message?: string
  uri?: string
  response?: PassioAdvisorResponse | null
}

export type SDKStatus = 'Success' | 'Error' | 'Init'

useNutritionAdvisor

import { useEffect, useState } from 'react'

import {
  NutritionAdvisor,
  PassioAdvisorMessageResultStatus,
} from '@passiolife/nutritionai-react-native-sdk-v3'


export const useNutritionAdvisor = () => {
  const [configureStatus, setConfigureStatus] = useState<SDKStatus>('Init')
  const [messages, setMessage] = useState<ChatEntity[]>([])

  useEffect(() => {
    const initializeNutritionAdvisor = async () => {
      try {
        const status = await NutritionAdvisor.configure("Your Nutrition Advisor Key")
        if (status?.status === 'Success') {
          const conversationResponse = await NutritionAdvisor.initConversation()
          setConfigureStatus(
            conversationResponse?.status === 'Success' ? 'Success' : 'Error'
          )
        } else {
          setConfigureStatus('Error')
        }
      } catch (err) {
        console.error(`PassioSDK Error ${err}`)
        setConfigureStatus('Error')
      }
    }

    initializeNutritionAdvisor()
  }, [])

  const handleAdvisorResponse = async (
    response: PassioAdvisorMessageResultStatus | null,
    message: string | undefined
  ) => {
    setMessage((item) => {
      if (response?.status === 'Success') {
        const chatResponse: ChatEntity = {
          type: 'response',
          response: response.response,
        }
        return [...item.filter((it) => it.type !== 'typing'), chatResponse]
      } else {
        const chatResponse: ChatEntity = {
          type: 'response',
          response: null,
          message: message,
        }
        return [...item.filter((it) => it.type !== 'typing'), chatResponse]
      }
    })
  }

  const sendMessage = async (message: string) => {
    setMessage((item) => {
      return [
        ...item,
        {
          type: 'text',
          message: message,
        },
        {
          type: 'typing',
        },
      ]
    })
    const response = await NutritionAdvisor.sendMessage(message)
    handleAdvisorResponse(response, message)
  }

  const sendImage = async (imgUrl: string) => {
    setMessage((item) => {
      return [
        ...item,
        {
          type: 'image',
          uri: imgUrl,
        },
        {
          type: 'typing',
        },
      ]
    })
    const response = await NutritionAdvisor.sendImage(imgUrl)
    handleAdvisorResponse(response, imgUrl)
  }

  return {
    configureStatus,
    messages,
    sendMessage,
    sendImage,
  }
}