package com.google.chip.chiptool.provisioning

import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.lifecycle.lifecycleScope
import chip.devicecontroller.ChipDeviceController
import chip.devicecontroller.UnpairDeviceCallback
import com.google.chip.chiptool.ChipClient
import com.google.chip.chiptool.R
import com.google.chip.chiptool.clusterclient.AddressUpdateFragment
import com.google.chip.chiptool.databinding.UnpairDeviceFragmentBinding
import kotlinx.coroutines.*

class UnpairDeviceFragment : Fragment() {
  private val deviceController: ChipDeviceController
    get() = ChipClient.getDeviceController(requireContext())

  private lateinit var scope: CoroutineScope

  private lateinit var addressUpdateFragment: AddressUpdateFragment

  private var _binding: UnpairDeviceFragmentBinding? = null
  private val binding
    get() = _binding!!

  override fun onCreateView(
    inflater: LayoutInflater,
    container: ViewGroup?,
    savedInstanceState: Bundle?
  ): View {
    _binding = UnpairDeviceFragmentBinding.inflate(inflater, container, false)
    scope = viewLifecycleOwner.lifecycleScope

    addressUpdateFragment =
      childFragmentManager.findFragmentById(R.id.addressUpdateFragment) as AddressUpdateFragment

    binding.unpairDeviceBtn.setOnClickListener { scope.launch { unpairDeviceClick() } }

    return binding.root
  }

  override fun onDestroyView() {
    super.onDestroyView()
    _binding = null
  }

  inner class ChipUnpairDeviceCallback : UnpairDeviceCallback {
    override fun onError(status: Int, remoteDeviceId: Long) {
      Log.d(TAG, "onError : $remoteDeviceId, $status")
    }

    override fun onSuccess(remoteDeviceId: Long) {
      Log.d(TAG, "onSuccess : $remoteDeviceId")
    }
  }

  private fun unpairDeviceClick() {
    deviceController.unpairDeviceCallback(
      addressUpdateFragment.deviceId,
      ChipUnpairDeviceCallback()
    )
  }

  companion object {
    private const val TAG = "UnpairDeviceFragment"

    fun newInstance(): UnpairDeviceFragment = UnpairDeviceFragment()
  }
}