import { Injectable } from '@angular/core';
import { FormArray, FormBuilder, FormGroup } from '@angular/forms';
import { Contact } from '@nested-forms/contact';

@Injectable({
  providedIn: 'root',
})
export class ContactFormService {
  constructor(private fb: FormBuilder) {}

  public createForm(model: Contact): FormGroup {
    const name = model.name;

    const addresses: FormArray = this.fb.array([]);

    const group = this.fb.group({
      name: this.fb.group({
        firstName: [name ? name.firstName : ''],
        lastName: [name ? name.lastName : ''],
        middleName: [name ? name.middleName : ''],
        prefix: [name ? name.prefix : ''],
        suffix: [name ? name.suffix : ''],
      }),
      addresses: addresses,
    });

    if (model.addresses) {
      model.addresses.forEach(addr => {
        addresses.push(
          this.fb.group({
            line1: [addr ? addr.line1 : ''],
            line2: [addr ? addr.line2 : ''],
            city: [addr ? addr.city : ''],
            state: [addr ? addr.state : ''],
            postalCode: [addr ? addr.postalCode : ''],
          }),
        );
      });
    }

    return group;
  }
}