/*
 * Copyright 2019 New Vector Ltd
 *
 * 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 im.vector.riotx.features.home.room.detail.timeline.reactions

import android.os.Bundle
import androidx.recyclerview.widget.RecyclerView
import butterknife.BindView
import com.airbnb.mvrx.MvRx
import com.airbnb.mvrx.fragmentViewModel
import com.airbnb.mvrx.withState
import im.vector.riotx.R
import im.vector.riotx.core.di.ScreenComponent
import im.vector.riotx.core.extensions.cleanup
import im.vector.riotx.core.extensions.configureWith
import im.vector.riotx.core.platform.VectorBaseBottomSheetDialogFragment
import im.vector.riotx.features.home.room.detail.timeline.action.EventSharedAction
import im.vector.riotx.features.home.room.detail.timeline.action.MessageSharedActionViewModel
import im.vector.riotx.features.home.room.detail.timeline.action.TimelineEventFragmentArgs
import im.vector.riotx.features.home.room.detail.timeline.item.MessageInformationData
import kotlinx.android.synthetic.main.bottom_sheet_generic_list_with_title.*
import javax.inject.Inject

/**
 * Bottom sheet displaying list of reactions for a given event ordered by timestamp
 */
class ViewReactionsBottomSheet : VectorBaseBottomSheetDialogFragment(), ViewReactionsEpoxyController.Listener {

    private val viewModel: ViewReactionsViewModel by fragmentViewModel(ViewReactionsViewModel::class)

    @Inject lateinit var viewReactionsViewModelFactory: ViewReactionsViewModel.Factory
    private lateinit var sharedActionViewModel: MessageSharedActionViewModel

    @BindView(R.id.bottomSheetRecyclerView)
    lateinit var recyclerView: RecyclerView

    @Inject lateinit var epoxyController: ViewReactionsEpoxyController

    override fun injectWith(injector: ScreenComponent) {
        injector.inject(this)
    }

    override fun getLayoutResId() = R.layout.bottom_sheet_generic_list_with_title

    override fun onActivityCreated(savedInstanceState: Bundle?) {
        super.onActivityCreated(savedInstanceState)
        sharedActionViewModel = activityViewModelProvider.get(MessageSharedActionViewModel::class.java)
        recyclerView.configureWith(epoxyController, hasFixedSize = false, showDivider = true)
        bottomSheetTitle.text = context?.getString(R.string.reactions)
        epoxyController.listener = this
    }

    override fun onDestroyView() {
        recyclerView.cleanup()
        epoxyController.listener = null
        super.onDestroyView()
    }

    override fun didSelectUser(userId: String) {
        sharedActionViewModel.post(EventSharedAction.OpenUserProfile(userId))
    }

    override fun invalidate() = withState(viewModel) {
        epoxyController.setData(it)
        super.invalidate()
    }

    companion object {
        fun newInstance(roomId: String, informationData: MessageInformationData): ViewReactionsBottomSheet {
            val args = Bundle()
            val parcelableArgs = TimelineEventFragmentArgs(
                    informationData.eventId,
                    roomId,
                    informationData
            )
            args.putParcelable(MvRx.KEY_ARG, parcelableArgs)
            return ViewReactionsBottomSheet().apply { arguments = args }
        }
    }
}
