# ArticleParagraphCardRow.kt

    /*
     * The MIT License
     *
     * Original work sponsored and donated by The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk)
     *
     * Copyright (C) 2021 The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk)
     *
     *
     * Permission is hereby granted, free of charge, to any person obtaining a copy of
     * this software and associated documentation files (the "Software"), to deal in
     * the Software without restriction, including without limitation the rights to
     * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
     * of the Software, and to permit persons to whom the Software is furnished to do
     * so, subject to the following conditions:
     *
     *
     * The above copyright notice and this permission notice shall be included in all
     * copies or substantial portions of the Software.
     *
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     * SOFTWARE.
     */

    package dk.nsp.mingraviditet.ui.main.knowledge.article

    import android.annotation.SuppressLint
    import android.content.Context
    import android.graphics.drawable.TransitionDrawable
    import android.view.ViewGroup
    import androidx.core.view.updateLayoutParams
    import com.commonsense.android.kotlin.base.extensions.coroutines.launchDefault
    import com.commonsense.android.kotlin.views.extensions.gone
    import com.commonsense.android.kotlin.views.extensions.visible
    import dk.nsp.domain.knowledge.ArticleContentSection
    import dk.nsp.mingraviditet.R
    import dk.nsp.mingraviditet.databinding.ArticleParagraphCardRowBinding
    import dk.nsp.mingraviditet.extensions.disable
    import dk.nsp.mingraviditet.util.android.OpenExternalLinksInBrowserWebViewClient
    import dk.nsp.mingraviditet.util.android.WebViewHelper
    import dk.nsp.mingraviditet.util.android.WebViewHelper.setUpDarkModeSupport
    import dk.nsp.mingraviditet.util.android.recycler.BindingViewHolder
    import dk.nsp.mingraviditet.util.android.recycler.DelegationListAdapterInflater
    import dk.nsp.mingraviditet.util.android.recycler.RecyclerAdapterView
    import kotlinx.coroutines.CoroutineScope
    import kotlinx.coroutines.Dispatchers
    import kotlinx.coroutines.delay

    class ArticleParagraphCardRow(
        val model: ArticleContentSection,
        val relevantId: Int
    ) :
        RecyclerAdapterView<ArticleParagraphCardRowBinding> {

        private var collapsedHeight: Int? = null

        @SuppressLint("SetJavaScriptEnabled", "ClickableViewAccessibility")
        override fun bindData(viewHolder: BindingViewHolder<ArticleParagraphCardRowBinding>) {
            with(viewHolder.binding) {

                // Ensure initial state is correct, before handling new data
                updateViewExpandedState(this)

                title.text = model.title
                webview.gone()
                progressBar.visible()
                collapsedGradient.gone()

                webview.webViewClient =
                    OpenExternalLinksInBrowserWebViewClient(
                        root.context,
                        onPageFinished = {
                            webview.post {
                                updateViewExpandedState(viewHolder.binding)

                                progressBar.gone()
                                webview.visible()
                            }
                        }
                    )

                webview.apply {
                    setUpDarkModeSupport()

                    // Enable js to be able to show videoes
                    settings.javaScriptEnabled = true
                    settings.useWideViewPort = false
                    settings.loadWithOverviewMode = false

                    // Disable scroll on touch
                    disable()

                    val htmlToLoad = WebViewHelper.createHtmlWithStyleSheet(
                        model.content,
                        root.context
                    )

                    loadDataWithBaseURL(
                        "file:///android_asset/",
                        htmlToLoad,
                        "text/html",
                        "UTF-8",
                        ""
                    )
                }

                // Show small animation when coming from search
                if (relevantId == model.id) {
                val transition =
                    rowBackground.background as TransitionDrawable

                    CoroutineScope(Dispatchers.Main).launchDefault {
                        transition.startTransition(250)
                        delay(500)
                        transition.reverseTransition(500)
                    }
                }

                expandCollapseButton.setOnClickListener {
                    toggleExpandCollapseState(viewHolder.binding)
                }
            }
        }

        private fun toggleExpandCollapseState(binding: ArticleParagraphCardRowBinding) {
            model.isExpanded = !model.isExpanded
            updateViewExpandedState(binding)
        }

        private fun updateViewExpandedState(binding: ArticleParagraphCardRowBinding) {
            if (model.isExpanded) {
                binding.webview.updateLayoutParams {
                    height = ViewGroup.LayoutParams.WRAP_CONTENT
                }
                binding.expandCollapseButton.setText(R.string.common_cta_collapse)
                binding.collapsedGradient.gone()
            } else {
                binding.webview.updateLayoutParams {
                    height = getCollapsedHeight(binding.root.context)
                }
                binding.expandCollapseButton.setText(R.string.common_cta_expand)
                binding.collapsedGradient.visible()
            }
        }

        override val createHolderFunction: DelegationListAdapterInflater<ArticleParagraphCardRowBinding> =
            ArticleParagraphCardRowBinding::inflate

        override fun isContentTheSameAsInternal(other: RecyclerAdapterView<*>): Boolean =
            when (other) {
                is ArticleParagraphCardRow -> other.model == model && other.relevantId == relevantId
                else -> false
            }

        /**
         * Convenience to storing collapsed height, instead of resolving from resources each time
         */
        private fun getCollapsedHeight(context: Context) = collapsedHeight
            ?: context.resources.getDimensionPixelSize(R.dimen.article_content_collapsed_height)
                .also {
                    collapsedHeight = it
                }
    }