# ChecklistDetailsFragment.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.checklist

    import android.os.Bundle
    import android.view.LayoutInflater
    import android.view.View
    import android.view.ViewGroup
    import android.widget.TextView
    import androidx.fragment.app.Fragment
    import androidx.fragment.app.viewModels
    import androidx.navigation.fragment.navArgs
    import com.commonsense.android.kotlin.system.extensions.onBackPressed
    import com.commonsense.android.kotlin.views.extensions.visibleOrGone
    import com.google.android.material.snackbar.Snackbar
    import dagger.hilt.android.AndroidEntryPoint
    import dk.nsp.mingraviditet.R
    import dk.nsp.mingraviditet.databinding.FragmentChecklistDetailsBinding
    import dk.nsp.mingraviditet.domain.ExpandCollapseEnum
    import dk.nsp.mingraviditet.util.android.recycler.DelegatingListAdapter
    import dk.nsp.mingraviditet.util.extensions.observeIfNotHandled

    @AndroidEntryPoint
    class ChecklistDetailsFragment : Fragment() {
        private lateinit var binding: FragmentChecklistDetailsBinding

        private val args by navArgs<ChecklistDetailsFragmentArgs>()
        private val viewModel: ChecklistDetailsViewModel by viewModels()

        private val adapter by lazy {
            DelegatingListAdapter()
        }

        override fun onCreateView(
            inflater: LayoutInflater,
            container: ViewGroup?,
            savedInstanceState: Bundle?
        ): View {
            binding = FragmentChecklistDetailsBinding.inflate(inflater, container, false)
            binding.vm = viewModel
            binding.lifecycleOwner = viewLifecycleOwner

            binding.toolbar.setTitle(R.string.checklist_title)
            binding.toolbar.setNavigationOnClickListener { onBackPressed() }

            binding.recyclerView.adapter = adapter

            binding.recyclerView.itemAnimator = null

            val hasDescription = viewModel.checklistHasDescription()
            binding.expandCollapseButton.visibleOrGone(hasDescription)

            //Check if we should show expand/collapse
            binding.description.addOnLayoutChangeListener { view, _, _, _, _, _, _, _, _ ->
                val isMoreThanThreeLines = (view as? TextView)?.lineCount ?: 0 > 3
                binding.expandCollapseButton.visibleOrGone(hasDescription || isMoreThanThreeLines)
            }

            viewModel.onExpandCollapse.observe(viewLifecycleOwner) { expandCollapseEnum ->
                when (expandCollapseEnum) {
                    ExpandCollapseEnum.Expanded -> {
                        binding.description.maxLines = Int.MAX_VALUE
                        binding.expandCollapseButton.setText(R.string.common_cta_collapse)
                    }
                    ExpandCollapseEnum.Collapsed -> {
                        binding.description.maxLines = 3
                        binding.expandCollapseButton.setText(R.string.common_cta_expand)
                    }
                    else -> {
                    }
                }
            }

            viewModel.checklist.observe(viewLifecycleOwner) {
                binding.progressCircular.setPercentage(it.completeness().toInt())
            }

            viewModel.checklistAdapterViews.observe(viewLifecycleOwner) {
                adapter.submitList(it)
            }

            viewModel.onError.observeIfNotHandled(viewLifecycleOwner) {
                Snackbar.make(binding.root, it, Snackbar.LENGTH_LONG)
                    .setAction(R.string.common_ok) {}
                    .show()
            }

            return binding.root
        }
    }