package com.covalima.rekomendasaunaihan.ui.favorito

import android.content.Intent
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.fragment.app.Fragment
import androidx.recyclerview.widget.GridLayoutManager
import com.covalima.rekomendasaunaihan.databinding.FragmentFavoritoBinding
import com.covalima.rekomendasaunaihan.model.ApiResponse
import com.covalima.rekomendasaunaihan.model.Favorito
import com.covalima.rekomendasaunaihan.network.ApiClient
import com.covalima.rekomendasaunaihan.ui.detail.DetailAihanActivity
import com.covalima.rekomendasaunaihan.util.DeviceUtil
import retrofit2.Call
import retrofit2.Callback
import retrofit2.Response

/**
 * "Lista Favoritu" — hatudu hotu-hotu ai-han ne'ebé utilizadór (device
 * ne'e) marka favoritu husi rezultadu rekomendasaun (ikon fuik/heart),
 * atu nune'e bele haree fila later.
 */
class FavoritoFragment : Fragment() {

    private var _binding: FragmentFavoritoBinding? = null
    private val binding get() = _binding!!
    private lateinit var adapter: FavoritoAdapter

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?
    ): View {
        _binding = FragmentFavoritoBinding.inflate(inflater, container, false)
        return binding.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        adapter = FavoritoAdapter(emptyList()) { fav ->
            val intent = Intent(requireContext(), DetailAihanActivity::class.java)
            intent.putExtra("id_aihan", fav.idAihan)
            startActivity(intent)
        }
        binding.rvFavoritu.layoutManager = GridLayoutManager(requireContext(), 2)
        binding.rvFavoritu.adapter = adapter

        binding.swipeRefresh.setOnRefreshListener { loadFavoritu() }
        loadFavoritu()
    }

    override fun onResume() {
        super.onResume()
        // Rekarrega kada dala fragment ne'e sai visível fali (sr: hafoin
        // aumenta favoritu foun husi pájina rezultadu rekomendasaun)
        loadFavoritu()
    }

    private fun loadFavoritu() {
        binding.progressBar.visibility = View.VISIBLE
        binding.tvEmpty.visibility = View.GONE

        val deviceId = DeviceUtil.getDeviceId(requireContext())
        ApiClient.apiService.getListFavorito(deviceId).enqueue(object : Callback<ApiResponse<List<Favorito>>> {
            override fun onResponse(
                call: Call<ApiResponse<List<Favorito>>>,
                response: Response<ApiResponse<List<Favorito>>>
            ) {
                binding.progressBar.visibility = View.GONE
                binding.swipeRefresh.isRefreshing = false
                val data = response.body()?.data
                if (data.isNullOrEmpty()) {
                    binding.tvEmpty.visibility = View.VISIBLE
                } else {
                    binding.tvEmpty.visibility = View.GONE
                    adapter.updateData(data)
                }
            }

            override fun onFailure(call: Call<ApiResponse<List<Favorito>>>, t: Throwable) {
                binding.progressBar.visibility = View.GONE
                binding.swipeRefresh.isRefreshing = false
                binding.tvEmpty.visibility = View.VISIBLE
                Toast.makeText(requireContext(), "Konesaun falha: ${t.message}", Toast.LENGTH_SHORT).show()
            }
        })
    }

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