// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:ui' show hashValues;
import 'package:flutter/foundation.dart';
import 'package:json_annotation/json_annotation.dart';
import 'billing_client_wrapper.dart';
import 'enum_converters.dart';

// WARNING: Changes to `@JsonSerializable` classes need to be reflected in the
// below generated file. Run `flutter packages pub run build_runner watch` to
// rebuild and watch for further changes.
part 'sku_details_wrapper.g.dart';

/// The error message shown when the map represents billing result is invalid from method channel.
///
/// This usually indicates a series underlining code issue in the plugin.
@visibleForTesting
const kInvalidBillingResultErrorMessage =
    'Invalid billing result map from method channel.';

/// Dart wrapper around [`com.android.billingclient.api.SkuDetails`](https://developer.android.com/reference/com/android/billingclient/api/SkuDetails).
///
/// Contains the details of an available product in Google Play Billing.
@JsonSerializable()
@SkuTypeConverter()
class SkuDetailsWrapper {
  /// Creates a [SkuDetailsWrapper] with the given purchase details.
  @visibleForTesting
  SkuDetailsWrapper({
    required this.description,
    required this.freeTrialPeriod,
    required this.introductoryPrice,
    required this.introductoryPriceMicros,
    required this.introductoryPriceCycles,
    required this.introductoryPricePeriod,
    required this.price,
    required this.priceAmountMicros,
    required this.priceCurrencyCode,
    required this.priceCurrencySymbol,
    required this.sku,
    required this.subscriptionPeriod,
    required this.title,
    required this.type,
    required this.originalPrice,
    required this.originalPriceAmountMicros,
  });

  /// Constructs an instance of this from a key value map of data.
  ///
  /// The map needs to have named string keys with values matching the names and
  /// types of all of the members on this class.
  @visibleForTesting
  factory SkuDetailsWrapper.fromJson(Map<String, dynamic> map) =>
      _$SkuDetailsWrapperFromJson(map);

  /// Textual description of the product.
  @JsonKey(defaultValue: '')
  final String description;

  /// Trial period in ISO 8601 format.
  @JsonKey(defaultValue: '')
  final String freeTrialPeriod;

  /// Introductory price, only applies to [SkuType.subs]. Formatted ("$0.99").
  @JsonKey(defaultValue: '')
  final String introductoryPrice;

  /// [introductoryPrice] in micro-units 990000
  @JsonKey(name: 'introductoryPriceAmountMicros', defaultValue: '')
  final String introductoryPriceMicros;

  /// The number of subscription billing periods for which the user will be given the introductory price, such as 3.
  /// Returns 0 if the SKU is not a subscription or doesn't have an introductory period.
  @JsonKey(defaultValue: 0)
  final int introductoryPriceCycles;

  /// The billing period of [introductoryPrice], in ISO 8601 format.
  @JsonKey(defaultValue: '')
  final String introductoryPricePeriod;

  /// Formatted with currency symbol ("$0.99").
  @JsonKey(defaultValue: '')
  final String price;

  /// [price] in micro-units ("990000").
  @JsonKey(defaultValue: 0)
  final int priceAmountMicros;

  /// [price] ISO 4217 currency code.
  @JsonKey(defaultValue: '')
  final String priceCurrencyCode;

  /// [price] localized currency symbol
  /// For example, for the US Dollar, the symbol is "$" if the locale
  /// is the US, while for other locales it may be "US$".
  @JsonKey(defaultValue: '')
  final String priceCurrencySymbol;

  /// The product ID in Google Play Console.
  @JsonKey(defaultValue: '')
  final String sku;

  /// Applies to [SkuType.subs], formatted in ISO 8601.
  @JsonKey(defaultValue: '')
  final String subscriptionPeriod;

  /// The product's title.
  @JsonKey(defaultValue: '')
  final String title;

  /// The [SkuType] of the product.
  final SkuType type;

  /// The original price that the user purchased this product for.
  @JsonKey(defaultValue: '')
  final String originalPrice;

  /// [originalPrice] in micro-units ("990000").
  @JsonKey(defaultValue: 0)
  final int originalPriceAmountMicros;

  @override
  bool operator ==(dynamic other) {
    if (other.runtimeType != runtimeType) {
      return false;
    }

    return other is SkuDetailsWrapper &&
        other.description == description &&
        other.freeTrialPeriod == freeTrialPeriod &&
        other.introductoryPrice == introductoryPrice &&
        other.introductoryPriceMicros == introductoryPriceMicros &&
        other.introductoryPriceCycles == introductoryPriceCycles &&
        other.introductoryPricePeriod == introductoryPricePeriod &&
        other.price == price &&
        other.priceAmountMicros == priceAmountMicros &&
        other.sku == sku &&
        other.subscriptionPeriod == subscriptionPeriod &&
        other.title == title &&
        other.type == type &&
        other.originalPrice == originalPrice &&
        other.originalPriceAmountMicros == originalPriceAmountMicros;
  }

  @override
  int get hashCode {
    return hashValues(
        description.hashCode,
        freeTrialPeriod.hashCode,
        introductoryPrice.hashCode,
        introductoryPriceMicros.hashCode,
        introductoryPriceCycles.hashCode,
        introductoryPricePeriod.hashCode,
        price.hashCode,
        priceAmountMicros.hashCode,
        sku.hashCode,
        subscriptionPeriod.hashCode,
        title.hashCode,
        type.hashCode,
        originalPrice,
        originalPriceAmountMicros);
  }
}

/// Translation of [`com.android.billingclient.api.SkuDetailsResponseListener`](https://developer.android.com/reference/com/android/billingclient/api/SkuDetailsResponseListener.html).
///
/// Returned by [BillingClient.querySkuDetails].
@JsonSerializable()
class SkuDetailsResponseWrapper {
  /// Creates a [SkuDetailsResponseWrapper] with the given purchase details.
  @visibleForTesting
  SkuDetailsResponseWrapper(
      {required this.billingResult, required this.skuDetailsList});

  /// Constructs an instance of this from a key value map of data.
  ///
  /// The map needs to have named string keys with values matching the names and
  /// types of all of the members on this class.
  factory SkuDetailsResponseWrapper.fromJson(Map<String, dynamic> map) =>
      _$SkuDetailsResponseWrapperFromJson(map);

  /// The final result of the [BillingClient.querySkuDetails] call.
  final BillingResultWrapper billingResult;

  /// A list of [SkuDetailsWrapper] matching the query to [BillingClient.querySkuDetails].
  @JsonKey(defaultValue: <SkuDetailsWrapper>[])
  final List<SkuDetailsWrapper> skuDetailsList;

  @override
  bool operator ==(dynamic other) {
    if (other.runtimeType != runtimeType) {
      return false;
    }

    return other is SkuDetailsResponseWrapper &&
        other.billingResult == billingResult &&
        other.skuDetailsList == skuDetailsList;
  }

  @override
  int get hashCode => hashValues(billingResult, skuDetailsList);
}

/// Params containing the response code and the debug message from the Play Billing API response.
@JsonSerializable()
@BillingResponseConverter()
class BillingResultWrapper {
  /// Constructs the object with [responseCode] and [debugMessage].
  BillingResultWrapper({required this.responseCode, this.debugMessage});

  /// Constructs an instance of this from a key value map of data.
  ///
  /// The map needs to have named string keys with values matching the names and
  /// types of all of the members on this class.
  factory BillingResultWrapper.fromJson(Map<String, dynamic>? map) {
    if (map == null || map.isEmpty) {
      return BillingResultWrapper(
          responseCode: BillingResponse.error,
          debugMessage: kInvalidBillingResultErrorMessage);
    }
    return _$BillingResultWrapperFromJson(map);
  }

  /// Response code returned in the Play Billing API calls.
  final BillingResponse responseCode;

  /// Debug message returned in the Play Billing API calls.
  ///
  /// Defaults to `null`.
  /// This message uses an en-US locale and should not be shown to users.
  final String? debugMessage;

  @override
  bool operator ==(dynamic other) {
    if (other.runtimeType != runtimeType) {
      return false;
    }

    return other is BillingResultWrapper &&
        other.responseCode == responseCode &&
        other.debugMessage == debugMessage;
  }

  @override
  int get hashCode => hashValues(responseCode, debugMessage);
}