import { dataService } from "../Service/DataService";
import { lineService } from "../Service/LineService";
import { listenLayer } from "../ListenLayer";
import VectorCategory from "../enum/VectorCategory";

export default class AddLine {
  constructor() {
    this.startInfo = {};
    this.endInfo = {};
    this.category = VectorCategory.Line.NormalLine;
  }

  setPointInfo(dir, pointInfo) {
    if (dir == "start") {
      this.startInfo = {
        position: {
          x: pointInfo.x,
          y: pointInfo.y,
        },
        linkedPointId: pointInfo.linkedPointId,
        lineId: pointInfo.lineId,
      };
    } else if (dir == "end") {
      this.endInfo = {
        position: {
          x: pointInfo.x,
          y: pointInfo.y,
        },
        linkedPointId: pointInfo.linkedPointId,
        lineId: pointInfo.lineId,
      };
    }
  }

  setNewLinePoint(dir, position) {
    if (dir == "start") {
      if (listenLayer.modifyPoint) {
        this.setPointInfo(dir, listenLayer.modifyPoint);
      } else {
        this.setPointInfo(dir, position);
      }
      return true;
    } else if (dir == "end") {
      if (listenLayer.modifyPoint) {
        this.setPointInfo(dir, listenLayer.modifyPoint);
      } else {
        this.setPointInfo(dir, position);
      }
      return true;
    }
    return false;
  }

  buildLine() {
    lineService.create(
      this.startInfo.position,
      this.endInfo.position,
      this.category
    );
    listenLayer.clear();
    this.clear();
  }

  clear() {
    this.startInfo = {};
    this.endInfo = {};
  }
}

const addLine = new AddLine();
export { addLine };