# CareplanActivityDetailsPagerAdapter.kt

    /*
     * The MIT License
     *
     * Original work sponsored and donated by The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk)
     *
     * Copyright (C) 2020 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.appointments.details.viewpager

    import android.os.Bundle
    import androidx.fragment.app.Fragment
    import androidx.fragment.app.FragmentActivity
    import androidx.viewpager2.adapter.FragmentStateAdapter
    import dk.nsp.mingraviditet.R
    import dk.nsp.mingraviditet.ui.common.EmptyStateFragment
    import dk.nsp.mingraviditet.ui.main.appointments.details.viewpager.description.CareplanActivityDescriptionPageFragment
    import dk.nsp.mingraviditet.ui.main.appointments.details.viewpager.journalnotes.CareplanActivityJournalNotesPageFragment
    import dk.nsp.mingraviditet.ui.main.appointments.details.viewpager.observations.CareplanActivityObservationsPageFragment
    import dk.nsp.models.Activity
    import dk.nsp.util.textmodel.TextModel

    class CareplanActivityDetailsPagerAdapter(
        fa: FragmentActivity,
        careplanActivity: Activity
    ) : FragmentStateAdapter(fa) {
        override fun getItemCount(): Int = 3

        private val descriptionFragment = if (careplanActivity.description != null) {
            CareplanActivityDescriptionPageFragment().apply {
                val bundle = Bundle().apply {
                    putParcelable(
                        CareplanActivityDescriptionPageFragment.careplanActivityBundleKey,
                        careplanActivity
                    )
                }
                arguments = bundle
            }
        } else {
            EmptyStateFragment.newInstance(
                TextModel.from(R.string.appointment_details_description_empty_title),
                TextModel.from(R.string.appointment_details_description_empty_description)
            )
        }

        private val observationFragment = if (careplanActivity.observations?.isNotEmpty() == true) {
            CareplanActivityObservationsPageFragment().apply {
                val bundle = Bundle().apply {
                    putParcelable(
                        CareplanActivityObservationsPageFragment.careplanActivityBundleKey,
                        careplanActivity
                    )
                }
                arguments = bundle
            }
        } else {
            EmptyStateFragment.newInstance(
                TextModel.from(R.string.appointment_details_measurement_empty_title),
                TextModel.from(R.string.appointment_details_measurement_empty_description)
            )
        }

        private val journalNoteFragment = if (careplanActivity.note != null) {
            CareplanActivityJournalNotesPageFragment().apply {
                val bundle = Bundle().apply {
                    putParcelable(
                        CareplanActivityJournalNotesPageFragment.careplanActivityBundleKey,
                        careplanActivity
                    )
                }
                arguments = bundle
            }
        } else {
            EmptyStateFragment.newInstance(
                TextModel.from(R.string.appointment_details_journalnotes_empty_title),
                TextModel.from(R.string.appointment_details_journalnotes_empty_description)
            )
        }

        override fun createFragment(position: Int): Fragment {
            return when (position) {
                0 -> descriptionFragment
                1 -> observationFragment
                2 -> journalNoteFragment
                else -> throw NotImplementedError("Der findes ingen fragmenter for denne position")
            }
        }

    }