package elegion.com.secondappforcontentprovidertest

import android.content.ContentValues
import android.database.Cursor
import android.net.Uri
import android.os.Bundle
import android.support.v4.app.LoaderManager
import android.support.v4.content.CursorLoader
import android.support.v4.content.Loader
import android.support.v7.app.AppCompatActivity
import android.util.Log
import android.widget.TextView
import android.widget.Toast

class MainActivity: AppCompatActivity(), LoaderManager.LoaderCallbacks<Cursor> {

    lateinit var textView: TextView

    companion object {
        val urlAddress = "content://com.example.roomproject.musicprovider/album/1"
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        textView = findViewById(R.id.tv_hello)
        textView.setOnClickListener {
            var contentValues = ContentValues()
            contentValues.put("id", 0)
            contentValues.put("name", "new Name")
            contentValues.put("release", "tomorrow")
            contentResolver.update(Uri.parse(urlAddress), contentValues, null, null)
        }
        supportLoaderManager.initLoader(12, null, this)
    }

    override fun onCreateLoader(id: Int, args: Bundle?): Loader<Cursor> {
        return CursorLoader(this,
                Uri.parse("content://com.example.roomproject.musicprovider/album"),
                null,
                null,
                null,
                null)
    }

    override fun onLoadFinished(loader: Loader<Cursor>?, data: Cursor?) {
        if (data != null && data.moveToFirst()) {
            val builder = StringBuilder()
            do {
                builder.append(data.getString(data.getColumnIndex("name"))).append("\n")
            } while (data.moveToNext())
            Toast.makeText(this, builder.toString(), Toast.LENGTH_LONG).show()
        }
    }

    override fun onLoaderReset(loader: Loader<Cursor>?) {

    }
}