package jp.ymir.taskReporter.core
import scala.collection.immutable.StringLike
import jp.ymir.taskReporter.core._

trait LTSVFunctions {
  import TSV._

  def decode[A: FromRecord](tsv: StringLike[_]): Seq[A] = {
    def toTuple(col: String): (Symbol, Field) = {
      val pattern = """^([^:]+):(.*)$""".r
      col match {
        case pattern(label, value) =>
          (Symbol(label), Field(value))
      }
    }
    val lines   = tsv.split('\n').filter(!_.isEmpty)
    val records = lines.map(line => Record(line.split('\t').map(toTuple).toMap))
    return records.map { r =>
      runParser(r.parseRecord[A]) match {
        case Right(a) => a
        case Left(e)  => throw new DecodeFailedException(e)
      }
    }
  }
}

object LTSV extends TSVTypes with LTSVFunctions