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/* Copyright 2015 Mario Pastorelli ([email protected])
 *
 *   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
 *
 *       http://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 purecsv.safe

import scala.collection.immutable
import scala.util.{Failure, Success, Try}


package object tryutil {

  implicit class IterableOfTry[A](iter: Iterable[Try[A]]) {
    /** A tuple composed by the successes and the failures */
    lazy val getSuccessesAndFailures: (immutable.List[(Int,A)],
                                       immutable.List[(Int,Throwable)]) = {
      val successes = scala.collection.mutable.Buffer[(Int,A)]()
      val failures = scala.collection.mutable.Buffer[(Int,Throwable)]()
      iter.zipWithIndex.foreach {
        case (Success(a),i) => successes += (i+1 -> a)
        case (Failure(f),i) => failures  += (i+1 -> f)
      }
      (successes.toList,failures.toList)
    }
  }

  implicit class IteratorOfTry[A](iter: Iterator[Try[A]]) extends IterableOfTry[A](iter.toIterable)

}