/**
 * Copyright 2024-2026 Wingify Software Pvt. Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { ApiEnum } from '../enums/ApiEnum';
import { ContextModel } from '../models/user/ContextModel';
import { dynamic } from '../types/Common';
import { doesEventBelongToAnyFeature, doesEventBelongToAnyHoldout } from '../utils/FunctionUtil';
import { getEventsBaseProperties, getTrackGoalPayloadData, sendPostApiRequest } from '../utils/NetworkUtil';
import { ServiceContainer } from '../services/ServiceContainer';

interface ITrack {
  /**
   * Tracks an event with given properties and context.
   * @param serviceContainer Service container.
   * @param eventName Name of the event to track.
   * @param context Contextual information like user details.
   * @param eventProperties Properties associated with the event.
   * @returns A promise that resolves to a record indicating the success or failure of the event tracking.
   */
  track(
    serviceContainer: ServiceContainer,
    eventName: string,
    context: ContextModel,
    eventProperties: Record<string, dynamic>,
  ): Promise<Record<string, boolean>>;
}

export class TrackApi implements ITrack {
  /**
   * Implementation of the track method to handle event tracking.
   * Checks if the event exists, creates an impression, and executes hooks.
   */
  async track(
    serviceContainer: ServiceContainer,
    eventName: string,
    context: ContextModel,
    eventProperties: Record<string, dynamic>,
  ): Promise<Record<string, boolean>> {
    if (
      doesEventBelongToAnyFeature(eventName, serviceContainer.getSettings()) ||
      doesEventBelongToAnyHoldout(eventName, serviceContainer.getSettings())
    ) {
      // Create an impression for the track event
      if (serviceContainer.getShouldWaitForTrackingCalls()) {
        await createImpressionForTrack(serviceContainer, eventName, context, eventProperties);
      } else {
        createImpressionForTrack(serviceContainer, eventName, context, eventProperties);
      }
      // Set and execute integration callback for the track event
      serviceContainer.getHooksService().set({ eventName: eventName, api: ApiEnum.TRACK_EVENT });
      serviceContainer.getHooksService().execute(serviceContainer.getHooksService().get());

      return { [eventName]: true };
    }
    // Log an error if the event does not exist
    serviceContainer.getLogManager().errorLog(
      'EVENT_NOT_FOUND',
      {
        eventName,
      },
      { an: ApiEnum.TRACK_EVENT, uuid: context.getUuid(), sId: context.getSessionId() },
    );

    return { [eventName]: false };
  }
}

/**
 * Creates an impression for a track event and sends it via a POST API request.
 * @param serviceContainer Service container.
 * @param eventName Name of the event to track.
 * @param user User details.
 * @param eventProperties Properties associated with the event.
 */
const createImpressionForTrack = async (
  serviceContainer: ServiceContainer,
  eventName: string,
  context: ContextModel,
  eventProperties: any,
) => {
  const isSettingsDevModeEnabled = serviceContainer?.getSettings?.()?.getDevMode?.() === true;
  const isUserDevModeEnabled = context?.getIsDevMode?.() === true;

  if (isSettingsDevModeEnabled && isUserDevModeEnabled) {
    return;
  }
  // Get base properties for the event
  const properties = getEventsBaseProperties(
    serviceContainer.getSettingsService(),
    eventName,
    encodeURIComponent(context.getUserAgent()),
    context.getIpAddress(),
  );
  // Prepare the payload for the track goal
  const payload = getTrackGoalPayloadData(serviceContainer, eventName, eventProperties, context);

  // Send the prepared payload via POST API request
  if (serviceContainer.getBatchEventsQueue()) {
    serviceContainer.getBatchEventsQueue().enqueue(payload);
  } else {
    // Send the constructed payload via POST request
    await sendPostApiRequest(serviceContainer, properties, payload, context.getId(), eventProperties);
  }
};