/*
 * Copyright (C) 2022 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.android.customization.picker.quickaffordance.ui.fragment

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.view.ViewGroup.MarginLayoutParams
import androidx.core.content.ContextCompat
import androidx.core.view.ViewCompat
import androidx.core.view.WindowInsetsCompat
import androidx.core.view.isVisible
import androidx.core.view.updateLayoutParams
import androidx.lifecycle.ViewModelProvider
import androidx.lifecycle.get
import androidx.transition.Transition
import androidx.transition.doOnStart
import com.android.customization.module.ThemePickerInjector
import com.android.customization.picker.quickaffordance.ui.binder.KeyguardQuickAffordancePickerBinder
import com.android.customization.picker.quickaffordance.ui.binder.KeyguardQuickAffordancePreviewBinder
import com.android.customization.picker.quickaffordance.ui.viewmodel.KeyguardQuickAffordancePickerViewModel
import com.android.themepicker.R
import com.android.wallpaper.module.InjectorProvider
import com.android.wallpaper.picker.AppbarFragment

class KeyguardQuickAffordancePickerFragment : AppbarFragment() {
    companion object {
        const val DESTINATION_ID = "quick_affordances"

        @JvmStatic
        fun newInstance(): KeyguardQuickAffordancePickerFragment {
            return KeyguardQuickAffordancePickerFragment()
        }
    }

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        val view =
            inflater.inflate(
                R.layout.fragment_lock_screen_quick_affordances,
                container,
                false,
            )
        ViewCompat.setOnApplyWindowInsetsListener(view) { v, windowInsets ->
            val insets = windowInsets.getInsets(WindowInsetsCompat.Type.systemBars())
            v.updateLayoutParams<MarginLayoutParams> {
                topMargin = insets.top
                bottomMargin = insets.bottom
            }
            WindowInsetsCompat.CONSUMED
        }
        setUpToolbar(view)

        val injector = InjectorProvider.getInjector() as ThemePickerInjector
        val viewModel: KeyguardQuickAffordancePickerViewModel =
            ViewModelProvider(
                    requireActivity(),
                    injector.getKeyguardQuickAffordancePickerViewModelFactory(requireContext()),
                )
                .get()

        KeyguardQuickAffordancePreviewBinder.bind(
            activity = requireActivity(),
            previewView = view.requireViewById(R.id.preview),
            viewModel = viewModel,
            lifecycleOwner = this,
            offsetToStart =
                requireActivity().let {
                    injector.getDisplayUtils(it).isSingleDisplayOrUnfoldedHorizontalHinge(it)
                }
        )
        KeyguardQuickAffordancePickerBinder.bind(
            view = view,
            viewModel = viewModel,
            lifecycleOwner = this,
        )
        postponeEnterTransition()
        view.post { startPostponedEnterTransition() }
        (returnTransition as? Transition)?.doOnStart {
            // Hide preview during exit transition animation
            view?.findViewById<View>(R.id.preview)?.isVisible = false
        }
        return view
    }

    override fun getDefaultTitle(): CharSequence {
        return requireContext().getString(R.string.keyguard_quick_affordance_title)
    }

    override fun getToolbarTextColor(): Int {
        return ContextCompat.getColor(
            requireContext(),
            com.android.wallpaper.R.color.system_on_surface
        )
    }
}