import {ignoreProps} from './const';
import {SubscriptionObject} from './subscription-object';
import {Alert} from 'react-native';

export class MasterObject {
  propsSubscriptions: {[id: string]: SubscriptionObject[]} = {};
  constructor(private masterValue: any) {
    Object.keys(masterValue).forEach(
      (key) => (this.propsSubscriptions[key] = []),
    );
  }

  destroySubscription = (subscriptionObject: SubscriptionObject) => {
    Object.keys(this.masterValue).forEach((key) => {
      if (this.propsSubscriptions[key])
        this.propsSubscriptions[key].filter((so) => subscriptionObject === so);
    });
  };

  subscribeToProp = (
    prop: string | number | symbol,
    subscriptionObject: SubscriptionObject,
  ) => {
    if (!this.propsSubscriptions[prop as string])
      this.propsSubscriptions[prop as string] = [];
    this.propsSubscriptions[prop as string].push(subscriptionObject);
  };

  createSubscription() {
    return new SubscriptionObject(
      this.masterValue,
      this.subscribeToProp,
      this.destroySubscription,
    );
  }

  updateValues = (newMasterValue: any) => {
    const subcriptionsObjectsForUpdate: SubscriptionObject[] = [];
    Object.keys(newMasterValue).forEach((key) => {
      if (newMasterValue[key] !== this.masterValue[key]) {
        if (this.propsSubscriptions[key])
          this.propsSubscriptions[key].forEach((subscriptionObject) => {
            if (!subscriptionObject.readyForUpdate) {
              subscriptionObject.value[key] = newMasterValue[key];
              subcriptionsObjectsForUpdate.push(subscriptionObject);
            }
            subscriptionObject.readyForUpdate = true;
          });
      }
    });
    subcriptionsObjectsForUpdate.forEach((so) => so.update());
    this.masterValue = newMasterValue;
  };
}