/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.android.ground.persistence.remote.firestore.schema

import com.google.android.ground.model.task.MultipleChoice
import com.google.android.ground.model.task.Option
import com.google.android.ground.util.Enums.toEnum
import kotlinx.collections.immutable.toPersistentList

internal object MultipleChoiceConverter {

  @JvmStatic
  fun toMultipleChoice(em: TaskNestedObject): MultipleChoice {
    var options: List<Option> = listOf()
    if (em.options != null) {
      options =
        em.options.entries
          .sortedBy { it.value.index }
          .map { (key, value): Map.Entry<String, OptionNestedObject> ->
            OptionConverter.toOption(key, value)
          }
    }
    return MultipleChoice(
      options.toPersistentList(),
      toEnum(MultipleChoice.Cardinality::class.java, em.cardinality!!)
    )
  }
}
