import { CONFIRM_KEY } from './options/buttons';

export interface SwalState {
  isOpen: boolean,
  promise: {
    resolve?(value: string): void,
    reject?(): void,
  },
  actions: {
    [namespace: string]: {
      value?: string | any,
      closeModal?: boolean
    },
  },
  timer: number,
};

export interface ActionOptions {
  [buttonNamespace: string]: {
    value?: string,
    closeModal?: boolean
  },
};

const defaultState: SwalState = {
  isOpen: false,
  promise: null,
  actions: {},
  timer: null,
};

let state: SwalState = Object.assign({}, defaultState);

export const resetState = (): void => {
  state = Object.assign({}, defaultState);
}

/*
 * Change what the promise resolves to when the user clicks the button.
 * This is called internally when using { input: true } for example.
 */
export const setActionValue = (opts: string|ActionOptions) => {

  if (typeof opts === "string") {
    return setActionValueForButton(CONFIRM_KEY, opts);
  }

  for (let namespace in opts) {
    setActionValueForButton(namespace, opts[namespace]);
  }
};

const setActionValueForButton = (namespace: string, value: string | any) => {
  if (!state.actions[namespace]) {
    state.actions[namespace] = {};
  }

  Object.assign(state.actions[namespace], {
    value,
  });
};

/*
 * Sets other button options, e.g.
 * whether the button should close the modal or not
 */
export const setActionOptionsFor = (buttonKey: string, {
  closeModal = true,
} = {}) => {
  Object.assign(state.actions[buttonKey], {
    closeModal,
  });
};

export default state;