import { PlausibleProps } from 'mealz-shared-analytics';
import { Observable } from 'rxjs';
import { BasketEntry, Recipe, RecipeLike } from '../../_models';
import { RecipePricing } from '../../_models/recipe-pricing';
import { EventJourney } from '../event-journey.enum';

export interface MealzInternalInterface {

  analytics: {

    /**
     * Sends an analytics event via mealz-shared-analytics
     */
    sendEvent: (name: string, path: string, props: PlausibleProps, journey?: EventJourney) => void;

    /**
     * Defines the `journey` property for mealz-shared-analytics
     *
     * Set to true if we currently are in a mealz dedicated page
     */
    setIsMealzPage: (isMealzPage: boolean) => void;
  };

  // ---------------------------------------------------------------------------------------------------

  basket: {

    /**
     * Emits the list of recipe IDs when recipes are added to the basket.
     */
    recipesAddedToBasket$: () => Observable<string[]>;

    /**
     * Emits the pricing information for recipes in the basket.
     */
    recipeDataInBasket$: () => Observable<{ id: string; price: string; guests: number }[]>;

    /**
     * Emits the list of recipes in the basket.
     */
    waitForBasketEntries: () => Observable<BasketEntry[]>;
  };

  // ---------------------------------------------------------------------------------------------------

  catalog: {

    /**
     * Opens preferences modal
     */
    openPreferences: () => void;

    /**
     * Emits an observable that notifies subscribers when the preferences have changed
     */
    preferencesModalChanged: () => Observable<void>;

    /**
     * returns an observable with the number of preferences set
     */
    preferencesCount: () => Observable<number>;

    loadMoreRecipes: (packageId: string, page: number, pageSize: number, guests: number) => Observable<Recipe[]>;
  };

  // ---------------------------------------------------------------------------------------------------

  preferences: {

    /**
     * Resets user preferences and clears cached preferences when SSR is enabled
     */
    resetPreferences: () => void;
  };

  // ---------------------------------------------------------------------------------------------------

  config: {
    logLevel: Observable<string>;
  };

  // ---------------------------------------------------------------------------------------------------

  recipes: {
    /**
     * Opens the recipe details by calling the `openRecipeDetails` method of the `recipesService`.
     */
    openDetails: (recipeId: string, guests: number, initialTabIndex: number, analyticsPath?: string, categoryId?: string) => void;

    /**
     * Updates or creates a recipe like entry.
     * If `recipeLikeId` is provided, it updates the existing like; otherwise, it creates a new one.
     * It also sets the `isPast` status and tracks the update event.
     */
    updateRecipeLike: (recipeLikeId: string, recipeId: string, isPast: boolean, path?: string) => void;

    /**
     * Gets the RecipeLike for the recipeId
     */
    getRecipeLike: (recipeId: string) => Observable<RecipeLike>;

    /**
     * Emits an observable that notifies subscribers when a recipe like has been updated.
     */
    recipeLikeUpdated: () => Observable<{ id: string; isPast: boolean }>;

    /**
     * Emits an observable that notifies subscribers when the number of guests of a recipe has been updated from recipe details.
     */
    guestsUpdated: () => Observable<{ guests: number; recipeId: string }>;

    /**
     * Emits an observable that notifies subscribers when a recipe price has been updated.
     */
    recipePriceUpdated: () => Observable<{ remaining: number; inBasket: number; recipeId: string }>;

    /**
     * Fetches the pricing information for a specific recipe based on the provided parameters.
     */
    fetchPricing: (recipeId: string, posId: string, serves: number) => Observable<RecipePricing>;
  };

  // ---------------------------------------------------------------------------------------------------

  supplier: {

    /**
     * Retrieves the token from the suppliers service
     */
    getToken: () => string;
  };

  // ---------------------------------------------------------------------------------------------------

  user: {

    /**
     * Retrieve user language as an ISO 639-1 code or custom code
     */
    getLanguage: () => string;

    /**
     * Retrieves the current authentication status of the user.
     */
    isAuthenticated: () => Observable<boolean>;

    /**
     * Updates the SDK's session ID to ensure consistency with SSR.
     */
    setSessionId: (sessionId: string) => void;
  };

  planner: {
    getDashboardHTML: () => Observable<string>;
    getCurrentMenuHTML: () => Observable<string>;
    getEntryHTML: () => Observable<string>;
  };

  getStickyHeaderHeight: () => Observable<number>;
}