import { UnavailabilityError } from '@unimodules/core';
import { Platform } from 'react-native';

import ExponentSegment from './ExponentSegment';

export type InitializeOptions = {
  androidWriteKey?: string;
  iosWriteKey?: string;
};

export type CommonOptions = { [key: string]: any } | null;

export function initialize(options: InitializeOptions): void {
  if (!ExponentSegment.initialize) {
    throw new UnavailabilityError('expo-analytics-segment', 'initialize');
  }
  const platformWriteKey = Platform.select({
    ios: options.iosWriteKey,
    android: options.androidWriteKey,
  });
  if (platformWriteKey) {
    ExponentSegment.initialize(platformWriteKey);
  } else {
    throw new Error('You must provide a platform-specific write key to initialize Segment.');
  }
}

export function identify(userId: string): void {
  if (!ExponentSegment.identify) {
    throw new UnavailabilityError('expo-analytics-segment', 'identify');
  }
  ExponentSegment.identify(userId);
}

export function identifyWithTraits(
  userId: string,
  traits: { [key: string]: any },
  options: CommonOptions = null
): void {
  if (!ExponentSegment.identifyWithTraits) {
    throw new UnavailabilityError('expo-analytics-segment', 'identifyWithTraits');
  }
  ExponentSegment.identifyWithTraits(userId, traits, options);
}

export function group(groupId: string): void {
  if (!ExponentSegment.group) {
    throw new UnavailabilityError('expo-analytics-segment', 'group');
  }
  ExponentSegment.group(groupId);
}

export function groupWithTraits(
  groupId: string,
  traits: { [key: string]: any },
  options: CommonOptions = null
): void {
  if (!ExponentSegment.groupWithTraits) {
    throw new UnavailabilityError('expo-analytics-segment', 'groupWithTraits');
  }
  ExponentSegment.groupWithTraits(groupId, traits, options);
}

export async function alias(newId: string, options: CommonOptions = null): Promise<boolean> {
  if (!ExponentSegment.alias) {
    throw new UnavailabilityError('expo-analytics-segment', 'alias');
  }
  return await ExponentSegment.alias(newId, options);
}

export function reset(): void {
  if (!ExponentSegment.reset) {
    throw new UnavailabilityError('expo-analytics-segment', 'reset');
  }
  ExponentSegment.reset();
}

export function track(event: string): void {
  if (!ExponentSegment.track) {
    throw new UnavailabilityError('expo-analytics-segment', 'track');
  }
  ExponentSegment.track(event);
}

export function trackWithProperties(
  event: string,
  properties: { [key: string]: any },
  options: CommonOptions = null
): void {
  if (!ExponentSegment.trackWithProperties) {
    throw new UnavailabilityError('expo-analytics-segment', 'trackWithProperties');
  }
  ExponentSegment.trackWithProperties(event, properties, options);
}

export function screen(screenName: string): void {
  if (!ExponentSegment.screen) {
    throw new UnavailabilityError('expo-analytics-segment', 'screen');
  }
  ExponentSegment.screen(screenName);
}

export function screenWithProperties(
  event: string,
  properties: { [key: string]: any },
  options: CommonOptions = null
): void {
  if (!ExponentSegment.screenWithProperties) {
    throw new UnavailabilityError('expo-analytics-segment', 'screenWithProperties');
  }
  ExponentSegment.screenWithProperties(event, properties, options);
}

export function flush(): void {
  if (!ExponentSegment.flush) {
    throw new UnavailabilityError('expo-analytics-segment', 'flush');
  }
  ExponentSegment.flush();
}

export async function getEnabledAsync(): Promise<boolean> {
  if (!ExponentSegment.getEnabledAsync) {
    throw new UnavailabilityError('expo-analytics-segment', 'getEnabledAsync');
  }
  const isEnabledNumber = await ExponentSegment.getEnabledAsync();
  return !!isEnabledNumber;
}

export async function setEnabledAsync(enabled: boolean): Promise<void> {
  if (!ExponentSegment.setEnabledAsync) {
    throw new UnavailabilityError('expo-analytics-segment', 'setEnabledAsync');
  }
  await ExponentSegment.setEnabledAsync(enabled);
}