BayernMessenger/vector/src/main/java/im/vector/riotredesign/features/home/room/detail/timeline/action/QuickReactionFragment.kt

/*
 * 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.riotredesign.features.home.room.detail.timeline.action

import android.graphics.Typeface
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import androidx.constraintlayout.widget.ConstraintLayout
import androidx.transition.TransitionManager
import butterknife.BindView
import butterknife.ButterKnife
import com.airbnb.mvrx.BaseMvRxFragment
import com.airbnb.mvrx.MvRx
import com.airbnb.mvrx.fragmentViewModel
import com.airbnb.mvrx.withState
import im.vector.riotredesign.EmojiCompatFontProvider
import im.vector.riotredesign.R
import org.koin.android.ext.android.inject

/**
 * Quick Reaction Fragment (agree / like reactions)
 */
class QuickReactionFragment : BaseMvRxFragment() {

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

    @BindView(R.id.root_layout)
    lateinit var rootLayout: ConstraintLayout

    @BindView(R.id.quick_react_1_text)
    lateinit var quickReact1Text: TextView

    @BindView(R.id.quick_react_2_text)
    lateinit var quickReact2Text: TextView

    @BindView(R.id.quick_react_3_text)
    lateinit var quickReact3Text: TextView

    @BindView(R.id.quick_react_4_text)
    lateinit var quickReact4Text: TextView

    var interactionListener: InteractionListener? = null

    val fontProvider by inject<EmojiCompatFontProvider>()

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        val view = inflater.inflate(R.layout.adapter_item_action_quick_reaction, container, false)
        ButterKnife.bind(this, view)
        return view
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        quickReact1Text.text = QuickReactionViewModel.agreePositive
        quickReact2Text.text = QuickReactionViewModel.agreeNegative
        quickReact3Text.text = QuickReactionViewModel.likePositive
        quickReact4Text.text = QuickReactionViewModel.likeNegative

        listOf(quickReact1Text, quickReact2Text, quickReact3Text, quickReact4Text).forEach {
            it.typeface = fontProvider.typeface ?: Typeface.DEFAULT
        }

        //configure click listeners
        quickReact1Text.setOnClickListener {
            viewModel.toggleAgree(true)
        }
        quickReact2Text.setOnClickListener {
            viewModel.toggleAgree(false)
        }
        quickReact3Text.setOnClickListener {
            viewModel.toggleLike(true)
        }
        quickReact4Text.setOnClickListener {
            viewModel.toggleLike(false)
        }

    }

    override fun invalidate() = withState(viewModel) {

        TransitionManager.beginDelayedTransition(rootLayout)
        when (it.agreeTrigleState) {
            TriggleState.NONE   -> {
                quickReact1Text.alpha = 1f
                quickReact2Text.alpha = 1f
            }
            TriggleState.FIRST  -> {
                quickReact1Text.alpha = 1f
                quickReact2Text.alpha = 0.2f

            }
            TriggleState.SECOND -> {
                quickReact1Text.alpha = 0.2f
                quickReact2Text.alpha = 1f
            }
        }
        when (it.likeTriggleState) {
            TriggleState.NONE   -> {
                quickReact3Text.alpha = 1f
                quickReact4Text.alpha = 1f
            }
            TriggleState.FIRST  -> {
                quickReact3Text.alpha = 1f
                quickReact4Text.alpha = 0.2f

            }
            TriggleState.SECOND -> {
                quickReact3Text.alpha = 0.2f
                quickReact4Text.alpha = 1f
            }
        }

        if (it.selectionResult != null) {
            val clikedOn = it.selectionResult.first
            interactionListener?.didQuickReactWith(clikedOn, QuickReactionViewModel.getOpposite(clikedOn)
                    ?: "", it.selectionResult.second, it.eventId)
        }
    }

    interface InteractionListener {
        fun didQuickReactWith(clikedOn: String, opposite: String, reactions: List<String>, eventId: String)
    }

    companion object {
        fun newInstance(pa: TimelineEventFragmentArgs): QuickReactionFragment {
            val args = Bundle()
            args.putParcelable(MvRx.KEY_ARG, pa)
            val fragment = QuickReactionFragment()
            fragment.arguments = args
            return fragment
        }
    }
}