# UpdateDateOfBirthFragment.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
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     * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     * SOFTWARE.
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    package dk.nsp.mingraviditet.ui.main.overview.dateofbirth

    import android.content.Context
    import android.os.Bundle
    import android.view.LayoutInflater
    import android.view.View
    import android.view.ViewGroup
    import androidx.appcompat.app.AlertDialog
    import androidx.fragment.app.Fragment
    import androidx.fragment.app.viewModels
    import androidx.navigation.fragment.findNavController
    import com.google.android.material.snackbar.Snackbar
    import dagger.hilt.android.AndroidEntryPoint
    import dk.nsp.mingraviditet.R
    import dk.nsp.mingraviditet.databinding.FragmentUpdateDateOfBirthBinding
    import dk.nsp.mingraviditet.domain.AlertDialogButtonModel
    import dk.nsp.mingraviditet.domain.AlertDialogViewModel
    import dk.nsp.mingraviditet.extensions.disable
    import dk.nsp.mingraviditet.extensions.enable
    import dk.nsp.mingraviditet.util.extensions.createAndShowWith
    import dk.nsp.models.DateOfBirth
    import dk.nsp.shared.Failed
    import dk.nsp.shared.Success
    import java.time.LocalDateTime

    @AndroidEntryPoint
    class UpdateDateOfBirthFragment : Fragment() {

        private val vm: UpdateDateOfBirthViewModel by viewModels()

        override fun onCreateView(
            inflater: LayoutInflater,
            container: ViewGroup?,
            savedInstanceState: Bundle?
        ): View {
            val binding = FragmentUpdateDateOfBirthBinding.inflate(inflater, container, false)

            binding.confirmButton.setOnClickListener {
                binding.confirmButton.disable()

                vm.sendUpdateDateOfBirthToBackend()
            }

            binding.resetDate.setOnClickListener {
                showConfirmResetDateOfBirthDialog(binding.root.context)
            }

            setupCalendarView(binding)

            vm.onDateOfBirthUpdated.observe(viewLifecycleOwner) {
                when (it) {
                    is Success -> {
                        findNavController().popBackStack()
                    }
                    is Failed -> {
                        binding.confirmButton.enable()
                        Snackbar.make(
                            binding.root,
                            R.string.common_alert_message_generic,
                            Snackbar.LENGTH_LONG
                        ).show()
                    }
                }
            }

            return binding.root
        }

        private fun setupCalendarView(binding: FragmentUpdateDateOfBirthBinding) {
            binding.calendar.maxDate =
                System.currentTimeMillis() // Don't allow for selection in the future

            binding.calendar.setOnDateChangedListener { _, year, monthOfYear, dayOfMonth ->
                vm.updateLocalDateOfBirth(
                    DateOfBirth(
                        LocalDateTime.of(
                            year,
                            monthOfYear + 1,
                            dayOfMonth,
                            12,
                            0
                        )
                    )
                )
            }

            vm.pickedDateOfBirth.observe(viewLifecycleOwner) {
                it.dateOfBirth?.let {
                    if (it.year != binding.calendar.year || it.monthValue != binding.calendar.month - 1 || it.dayOfMonth != binding.calendar.dayOfMonth) {
                        binding.calendar.updateDate(it.year, it.monthValue - 1, it.dayOfMonth)
                    }
                }
            }
        }

        private fun showConfirmResetDateOfBirthDialog(context: Context) {
            AlertDialog.Builder(context).createAndShowWith(
                AlertDialogViewModel(
                    R.string.overview_reset_date_of_birth_alert_title,
                    R.string.overview_reset_date_of_birth_alert_description,
                    positiveButton = AlertDialogButtonModel(R.string.common_cta_reset) { _, _ ->
                        vm.clearDateOfBirthToBackend()
                    },
                    negativeButton = AlertDialogButtonModel(R.string.common_regret) { _, _ ->

                    }
                )
            )
        }
        companion object {
            const val dateArgKey = "dateOfBirthArgKey"
        }
    }