Mainactivity

package com.bapercoding.simplecrud.activity

import android.app.AlertDialog
import android.app.ProgressDialog
import android.app.SearchManager
import android.content.Context
import android.content.Intent
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.os.Handler
import android.support.v4.app.Fragment
import android.support.v7.widget.LinearLayoutManager
import android.util.Log
import android.view.LayoutInflater
import android.view.Menu
import android.view.View
import android.view.ViewGroup
import android.widget.SearchView
import android.widget.Toast
import com.bapercoding.simplecrud.*
import com.bapercoding.simplecrud.adapter.RVAAdapterStudent
import com.bapercoding.simplecrud.model.DataResponse
import com.bapercoding.simplecrud.model.Kumpulan_value
import com.bapercoding.simplecrud.model.Mahasiswa
import com.bapercoding.simplecrud.utilities.ApiClient
import com.bapercoding.simplecrud.utilities.LoginSharedPreference
import com.bapercoding.simplecrud.utilities.showMessage
import kotlinx.android.synthetic.main.activity_main.*
import retrofit2.Call
import retrofit2.Callback
import retrofit2.Response

class MainActivity : AppCompatActivity(), Fragment() {

    private var doubleBackToExitPressedOnce = false

    // initialisasi api interface dari object api di folder utilities
    private val apiInterface by lazy {
        ApiClient.getClient().create(ApiClient.ApiInterface::class.java)
    }

    private val loginSharedPreference by lazy {
        LoginSharedPreference(this@MainActivity)
    }

    private val mahasiswa = mutableListOf<Kumpulan_value>()

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
                              savedInstanceState: Bundle?): View? {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.activity_main, container, false)
    }

    companion object {
        fun newInstance(): MainActivity{
            val fragment = MainActivity()
            val args = Bundle()
            fragment.arguments = args
            return fragment
        }
    }


    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        //sesuaikan aktivity mana yang mau di tampilkan
        setContentView(R.layout.activity_main)

        //membuat judul pada actionbar
        supportActionBar?.title = "Data Mahasiswa"

        mRecyclerView.setHasFixedSize(true)
        mRecyclerView.layoutManager = LinearLayoutManager(this)

        mFloatingActionButton.setOnClickListener {
            startActivity(Intent(this, ManageStudentActivity::class.java))
        }

        // refresh data
        swipe_refresh_main.setColorSchemeResources(R.color.colorAccent, R.color.colorPrimary)
        swipe_refresh_main.setOnRefreshListener {
            // handler ini berfungsi untuk menunggu thread selesai
            Handler().postDelayed({
                // runOnUiThread befungsi untuk mengizinkan background thread mengakses tampilan
                runOnUiThread {
                    swipe_refresh_main.isRefreshing = false
                    loadAllStudents()
                }
            }, 1000) // delay dilakukan selama 1000 milidetik atau 1 detik
        }
        loadAllStudents()
    }

    override fun onResume() {
        super.onResume()
        loadAllStudents()
    }

    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
        val menuInflater = menuInflater
        menuInflater.inflate(R.menu.action_menu, menu)

        val searchItem = menu?.findItem(R.id.action_search)
        val searchManager = getSystemService(Context.SEARCH_SERVICE) as SearchManager
        val searchView: SearchView? = searchItem?.actionView as SearchView

        if (searchView != null) {
            // event untuk mencari data
            searchView.setOnQueryTextListener(object : SearchView.OnQueryTextListener {
                // event dijalankan ketika icon diklik
                override fun onQueryTextSubmit(query: String?): Boolean {
                    return search(query)
                }

                // event dijalankan ketika text berubah
                override fun onQueryTextChange(query: String?): Boolean {
                    return search(query)
                }
            })

            searchView.setSearchableInfo(searchManager.getSearchableInfo(componentName))
        }
        return super.onCreateOptionsMenu(menu)
    }

    // fungsi untuk mencari data di search view
    private fun search(query: String?): Boolean {
        val newMahasiswa = mutableListOf<Kumpulan_value>()
        newMahasiswa.addAll(mahasiswa.filter {
            it.nm!!.toLowerCase().contains(query!!.toLowerCase()) ||
                    it.nim!!.contains(query)
        })

        // tampilkan ke recycler view
        val adapter = RVAAdapterStudent(applicationContext, newMahasiswa)
        mRecyclerView.adapter = adapter
        return true
    }

    private fun loadAllStudents() {
        // menghapus data mahasiswa


        //membuat loading
        val loading = ProgressDialog(this)
        loading.setMessage("Memuat data...")
        loading.show()

        // membuat fungsi untuk mengambil data dari server
        val getMahasiswa = apiInterface.getMahasiswa()
        getMahasiswa.enqueue(object : Callback<DataResponse<List<Kumpulan_value>>> {
            // jika proses gagal
            override fun onFailure(call: Call<DataResponse<List<Kumpulan_value>>>, t: Throwable) {
                showMessage(t.message.toString(), "Error", this@MainActivity)
                loading.dismiss()
            }

            // jika proses berhasil
            override fun onResponse(call: Call<DataResponse<List<Kumpulan_value>>>, response: Response<DataResponse<List<Kumpulan_value>>>) {
                // jika respon == 200 (berhasil)
                if (response.isSuccessful) {
                    if (response.body() != null && response.body()?.data != null) {
                        Log.e("test", response.body()?.data.toString())
                        // membinding data ke recycler view
                        mahasiswa.clear()
                        mahasiswa.addAll(response.body()?.data!!)
                        val adapter = RVAAdapterStudent(applicationContext, response.body()?.data!!)
                        mRecyclerView.adapter = adapter
                    } else {
                        // jika data mahasiswa tidak ditemukan
                        showMessage("Data mahasiswa kosong", "Warning", this@MainActivity)
                    }
                } else {
                    // jika respone != 200 (gagal)
                    showMessage(response.message(), "Error", this@MainActivity)
                }
                loading.dismiss()
            }

        })
//
//        //memanggil JSON
//        AndroidNetworking.get(ApiEndPoint.mahasiswa_tampil)
//                .setPriority(Priority.MEDIUM)
//                .build()
//                .getAsJSONObject(object : JSONObjectRequestListener {
//
//                    override fun onResponse(response: JSONObject?) {
//
//                        arrayList.clear()
//
//                        val jsonArray = response?.optJSONArray("result")
//
//                        //untuk pemberitahuan jika data koosng
//                        if (jsonArray?.length() == 0) {
//                            loading.dismiss()
//                            Toast.makeText(applicationContext, "Student data is empty, Add the data first", Toast.LENGTH_SHORT).show()
//                        }
//                        //untuk pemberitahuan jika data koosng
//
//                        for (i in 0 until jsonArray?.length()!!) {
//
//                            val jsonObject = jsonArray?.optJSONObject(i)
//                            //menambahkan pada cardview dengan add value
//                            arrayList.add(Kumpulan_value(jsonObject.getString("nim"),
//                                    jsonObject.getString("nm")))
//
//                            if (jsonArray?.length() - 1 == i) {
//
//                                loading.dismiss()
//                                val adapter = RVAAdapterStudent(applicationContext, arrayList)
//                                adapter.notifyDataSetChanged()
//                                mRecyclerView.adapter = adapter
//                                //menambahkan pada cardview
//
//                            }
//
//                        }
//
//                    }
//
//                    //jika data tidak tersedia
//                    override fun onError(anError: ANError?) {
//                        loading.dismiss()
//                        Log.d("ONERROR", anError?.errorDetail?.toString())
//                        Toast.makeText(applicationContext, "Connection Failure", Toast.LENGTH_SHORT).show()
//                    }
//                })


    }

    override fun onBackPressed() {
//        if (doubleBackToExitPressedOnce) {
//            super.onBackPressed()
//            return
//        }
//
//        this.doubleBackToExitPressedOnce = true
//        Toast.makeText(this, "Please click BACK again to exit", Toast.LENGTH_SHORT).show()
//
//        Handler().postDelayed(Runnable { doubleBackToExitPressedOnce = false }, 2000)
        AlertDialog
                .Builder(this@MainActivity)
                .setTitle("Logout")
                .setMessage("Are you sure?")
                .setPositiveButton("Yes") {_,_ ->
                    loginSharedPreference.saveMahasiswa(null)
                    val intent = Intent(this@MainActivity, LoginActivity::class.java)
                    startActivity(intent)
                    finish()
                }
                .setNegativeButton("No") {_,_ -> }
                .show()
    }


}