package cn.super12138.todo.views

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.viewbinding.ViewBinding
import com.google.android.material.color.MaterialColors
import com.google.android.material.transition.MaterialSharedAxis

abstract class BaseFragment<T : ViewBinding> : Fragment() {
    private var _binding: T? = null
    protected val binding get() = _binding!!

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enterTransition = MaterialSharedAxis(MaterialSharedAxis.X, /* forward= */ true)
        returnTransition = MaterialSharedAxis(MaterialSharedAxis.X, /* forward= */ false)
        exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, /* forward= */ true)
        reenterTransition = MaterialSharedAxis(MaterialSharedAxis.X, /* forward= */ false)
    }

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

    // https://github.com/material-components/material-components-android/issues/1984#issuecomment-1089710991
    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        // Overlap colors.
        view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.colorBackground))
    }

    abstract fun getViewBinding(
        inflater: LayoutInflater,
        container: ViewGroup?,
        attachToRoot: Boolean
    ): T

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