import { TheoryINote } from "../interface/TheoryINote";
export class TheoryTie {
  public static startTieMeasureRecorder;
  public static startTieVoiceRecorder;

  public static addTieInformation(noteXML_: Element, note_: TheoryINote) {
    // tie
    let tieList = noteXML_.getElementsByTagName("tie");
    if (tieList.length) {
      note_.isTieGroup = true;
      // 如果是连环 tie, 不是前后两个,而是连着好几个 同音连符
      if (noteXML_.getElementsByTagName("tie").length === 2) {
        note_.tie1 = noteXML_.getElementsByTagName("tie")[0].getAttribute("type");
        note_.tie2 = noteXML_.getElementsByTagName("tie")[1].getAttribute("type");
        note_.isTie = true;
        // tie cross
        if (note_.measureIndex === this.startTieMeasureRecorder && note_.voice === this.startTieVoiceRecorder) {
          note_.isTieCross = false;
        } else {
          note_.isTieCross = true;
        }
      }
      // 如果只是最普通的前后同音连符
      else if (noteXML_.getElementsByTagName("tie").length === 1) {
        note_.tie1 = noteXML_.getElementsByTagName("tie")[0].getAttribute("type");
        note_.tie2 = null;
        if (note_.tie1 === "start") {
          note_.isTie = false;
          this.startTieMeasureRecorder = note_.measureIndex;
          this.startTieVoiceRecorder = note_.voice;
          note_.isTieCross = false;
        } else {
          note_.isTie = true;
          if (note_.measureIndex === this.startTieMeasureRecorder && note_.voice === this.startTieVoiceRecorder) {
            note_.isTieCross = false;
          } else {
            note_.isTieCross = true;
          }
        }
      }
    } else {
      note_.tie1 = null;
      note_.tie2 = null;
      note_.isTie = false;
      note_.isTieGroup = false;
      note_.isTieCross = false;
    }
  }
}