/*
 * Copyright 2019, The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.gdgfinder.add

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.lifecycle.Observer
import androidx.lifecycle.ViewModelProviders
import com.example.android.gdgfinder.R
import com.example.android.gdgfinder.databinding.AddGdgFragmentBinding
import com.google.android.material.snackbar.Snackbar

class AddGdgFragment : Fragment() {

    private val viewModel: AddGdgViewModel by lazy {
        ViewModelProviders.of(this).get(AddGdgViewModel::class.java)
    }

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?,
                              savedInstanceState: Bundle?): View? {
        val binding = AddGdgFragmentBinding.inflate(inflater)

        // Allows Data Binding to Observe LiveData with the lifecycle of this Fragment
        binding.setLifecycleOwner(this)

        binding.viewModel = viewModel

        viewModel.showSnackBarEvent.observe(this, Observer {
            if (it == true) { // Observed state is true.
                Snackbar.make(
                        activity!!.findViewById(android.R.id.content),
                        getString(R.string.application_submitted),
                        Snackbar.LENGTH_SHORT // How long to display the message.
                ).show()
                viewModel.doneShowingSnackbar()
                binding.button.contentDescription=getString(R.string.submitted)
                binding.button.text=getString(R.string.done)
            }
        })

        setHasOptionsMenu(true)
        return binding.root
    }
}
