export class TrxMappingData {
  trackingStates: any = {};

  /**
   * Sets the inital state of the mapped headers.
   * @param data  Mapped header data.
   */
  setInitialState(data: Array<any>) {
    this.trackingStates['initialMPN'] = this.setCustomName(data, 'Part_Number');
    this.trackingStates['initialMFR'] = this.setCustomName(
      data,
      'Manufacturer'
    );
    this.trackingStates['initialQTY'] = this.setCustomName(data, 'Quantity');
    this.trackingStates['initialDesc'] = this.setCustomName(
      data,
      'Description'
    );
  }

  /**
   * Sets the final state of the mapped headers.
   * @param data  Mapped header data.
   */
  setFinalState(data: Array<any>) {
    this.trackingStates['MPN'] = this.setCustomName(data, 'Part_Number');
    this.trackingStates['MFR'] = this.setCustomName(data, 'Manufacturer');
    this.trackingStates['QTY'] = this.setCustomName(data, 'Quantity');
    this.trackingStates['Desc'] = this.setCustomName(data, 'Description');
  }

  /**
   * Trys to match data to given tracking name
   * @param data  Mapped header data.
   * @param name  Tracking name.
   * @returns custom name for matched data or empty string.
   */
  setCustomName(data: Array<any>, name: string): string {
    const match = data.find(item => item.type === name);
    return match ? match.custom : '';
  }

  /**
   * Mapped captured mapped headers states.
   * @param bomId  BOM id of newly created BOM.
   * @returns the mapped header object ready to be sent to the tracking service.
   */
  getMappedData(bomId: string): any {
    this.trackingStates['bomId'] = bomId;
    return this.trackingStates;
  }
}