package mq

import api.ApiObject
import com.google.gson.Gson
import com.rabbitmq.client.AMQP
import com.rabbitmq.client.Consumer
import com.rabbitmq.client.Envelope
import com.rabbitmq.client.ShutdownSignalException
import database.service.ISampleObjectService
import org.koin.core.component.KoinComponent
import org.koin.core.component.inject

class DatabaseConsumer: Consumer, KoinComponent {
    private val resultObjectService : ISampleObjectService by inject()
    private val gson = Gson()
    override fun handleConsumeOk(consumerTag : String?) {
    }
    override fun handleCancelOk(p0 : String?) {
        throw UnsupportedOperationException()
    }
    override fun handleRecoverOk(p0 : String?) {
        throw UnsupportedOperationException()
    }
    override fun handleCancel(p0 : String?) {
        throw UnsupportedOperationException()
    }

    override fun handleShutdownSignal(consumerTag: String?, sig: ShutdownSignalException?) {
        println("got shutdown signal")
    }

    override fun handleDelivery(consumerTag : String?, envelope : Envelope?, basicProperties : AMQP.BasicProperties?, body : ByteArray?) {
        val rawJson = body!!.toString(Charsets.UTF_8)
        val apiObject = gson.fromJson(rawJson, ApiObject::class.java)
        resultObjectService.addOne(apiObject)
        }
}