# Checklist.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.domain.knowledge

    import android.os.Parcelable
    import dk.nsp.api.cms.models.ChecklistDTO
    import dk.nsp.api.cms.models.ChecklistItemDTO
    import kotlinx.parcelize.Parcelize
    import kotlin.math.round

    @Parcelize
    data class Checklist(
        val id: Int,
        val title: String,
        val description: String?,
        val items: List<ChecklistItem>
    ) : Parcelable {
        fun checkedItems() = items.filter { it.value }

        fun completeness(): Float {
            return if (items.isNotEmpty()) {
                round((checkedItems().size.toFloat() / items.size) * 100)
            } else {
                0F
            }
        }

        fun completenessAsDivision(): String {
            return "${items.filter { it.value }.size}/${items.size}"
        }

        fun getPercentageAsString(): String {
            return "${completeness().toInt()}%"
        }
    }

    @Parcelize
    data class ChecklistItem(
        val id: String,
        val title: String,
        val description: String?,
        val value: Boolean
    ) : Parcelable

    fun List<ChecklistDTO>.toDomainModel(listOfCheckedIds: List<String>?): List<Checklist> {
        return this.map {
            Checklist(
                it.id,
                it.title,
                it.text,
                it.items.map { item ->
                    val isChecked = listOfCheckedIds?.contains(item.id) == true
                    item.toDomainModel(isChecked)
                })
        }
    }

    fun Checklist.toServerModel(): ChecklistDTO {
        return ChecklistDTO(id, title, description, items.map { it.toServerModel() })
    }

    fun ChecklistItemDTO.toDomainModel(checkedValue: Boolean): ChecklistItem {
        return ChecklistItem(id, title, text, checkedValue)
    }

    fun ChecklistItem.toServerModel(): ChecklistItemDTO {
        return ChecklistItemDTO(id, title, description)
    }