import type { ProductItem } from './ProductItem';
import { productItemArrayFromJson } from './ProductItem';
import type { IntentStateDetails } from './IntentStateDetails';
import { intentStateDetailsFromJson } from './IntentStateDetails';
import { IntentData, intentDataFromJson } from './IntentData';
import type { TransactionData } from './TransactionData';
import { transactionDataFromJson } from './TransactionData';
import { LastUsedMethod } from './LastUsedMethod';
import { lastUsedMethodFromJson } from './LastUsedMethod';
import type { PaymentStatus } from './PaymentStatus';
import { paymentStatusFromJson } from './PaymentStatus';
import {
  subscriptionInfoFromJson,
  type SubscriptionInfo,
} from './subscriptions/SubscriptionInfo';

export class IntentDetails {
  selectedMethod?: string;
  intent?: IntentData;
  walletBalance?: number;
  transaction?: TransactionData;
  intentState?: IntentStateDetails;
  productItems?: ProductItem[];
  lastUsedMethod?: LastUsedMethod;
  paymentStatus?: PaymentStatus;
  subscriptionInfo?: SubscriptionInfo;

  constructor(params: {
    selectedMethod?: string;
    intent?: IntentData;
    walletBalance?: number;
    transaction?: TransactionData;
    intentState?: IntentStateDetails;
    productItems?: ProductItem[];
    lastUsedMethod?: LastUsedMethod;
    paymentStatus?: PaymentStatus;
    subscriptionInfo?: SubscriptionInfo;
  }) {
    this.selectedMethod = params.selectedMethod;
    this.intent = params.intent;
    this.walletBalance = params.walletBalance;
    this.transaction = params.transaction;
    this.intentState = params.intentState;
    this.productItems = params.productItems;
    this.lastUsedMethod = params.lastUsedMethod;
    this.paymentStatus = params.paymentStatus;
    this.subscriptionInfo = params.subscriptionInfo;
  }
}

export function intentDetailsFromJson(jsonMap: {
  [key: string]: any;
}): IntentDetails {
  const rawState = jsonMap.state;

  // Handle `state` being a stringified JSON (iOS case because iOS gets it from KMM as string and pass it throu to flutter)
  let parsedState;
  // Check if the raw state is a string that needs to be parsed
  if (typeof rawState === 'string') {
    try {
      // Attempt to parse the JSON string
      parsedState = JSON.parse(rawState);
    } catch (e) {
      // Log error if parsing fails and set to undefined
      console.error('Failed to parse state string:', rawState, e);
      parsedState = undefined;
    }
  } else if (typeof rawState === 'object') {
    // If it's already an object, use it directly
    parsedState = rawState;
  }

  return new IntentDetails({
    selectedMethod: jsonMap.selected_method || jsonMap.selectedMethod,
    intent: jsonMap.intent ? intentDataFromJson(jsonMap.intent) : undefined,
    walletBalance: (jsonMap.walletBalance || jsonMap.wallet)?.toFixed(2),
    subscriptionInfo:
      jsonMap.subscription_info || jsonMap.subscriptionInfo
        ? subscriptionInfoFromJson(
            jsonMap.subscription_info || jsonMap.subscriptionInfo
          )
        : undefined,
    transaction: jsonMap.transaction
      ? transactionDataFromJson(jsonMap.transaction)
      : undefined,
    productItems: Array.isArray(jsonMap.productItems)
      ? productItemArrayFromJson(jsonMap.productItems)
      : undefined,
    intentState: parsedState
      ? intentStateDetailsFromJson(parsedState)
      : undefined,
    lastUsedMethod:
      jsonMap.last_used_method || jsonMap.lastUsedMethod
        ? lastUsedMethodFromJson(
            jsonMap.last_used_method || jsonMap.lastUsedMethod
          )
        : undefined,
    paymentStatus:
      jsonMap.payment_status || jsonMap.paymentStatus
        ? paymentStatusFromJson(jsonMap.payment_status || jsonMap.paymentStatus)
        : undefined,
  });
}