import * as Sentry from '@sentry/react';

import {t} from 'sentry/locale';
import {
  getAppStoreValidationErrorMessage,
  unexpectedErrorMessage,
} from 'sentry/utils/appStoreValidationErrorMessage';

import {StepOneData} from './types';

// since translations are done on the front-end we need to map  back-end error messages to front-end messages
const fieldErrorMessageMapping = {
  appconnectIssuer: {
    issuer: {
      'Ensure this field has at least 36 characters.': t(
        'This field should be exactly 36 characters.'
      ),
      'Ensure this field has no more than 36 characters.': t(
        'This field should be exactly 36 characters.'
      ),
    },
  },
  appconnectKey: {
    keyId: {
      'Ensure this field has at least 2 characters.': t(
        'This field should be between 2 and 20 characters.'
      ),
      'Ensure this field has no more than 20 characters.': t(
        'This field should be between 2 and 20 characters.'
      ),
    },
  },
};

type ResponseJSONDetailed = {
  detail: Parameters<typeof getAppStoreValidationErrorMessage>[0] & {
    extra: Record<string, any>;
    message: string;
  };
};

type AppStoreConnectField = keyof typeof fieldErrorMessageMapping;

type ResponseJSON = Record<AppStoreConnectField, string[]>;

type Error = {
  status: number;
  responseJSON?: ResponseJSON | ResponseJSONDetailed;
};

export function getAppStoreErrorMessage(
  error: Error | string
): string | Record<keyof StepOneData, string> {
  if (typeof error === 'string') {
    return error;
  }

  const detailedErrorResponse = (error.responseJSON as undefined | ResponseJSONDetailed)
    ?.detail;

  if (detailedErrorResponse) {
    return getAppStoreValidationErrorMessage(detailedErrorResponse) as string;
  }

  const errorResponse = error.responseJSON as undefined | ResponseJSON;

  if (!errorResponse) {
    return unexpectedErrorMessage;
  }

  return (Object.keys(errorResponse) as AppStoreConnectField[]).reduce(
    (acc, serverSideField) => {
      const fieldErrorMessage = fieldErrorMessageMapping[serverSideField] ?? {};
      const field = Object.keys(fieldErrorMessage)[0];

      const errorMessages: string[] = errorResponse[serverSideField].map(errorMessage => {
        if (fieldErrorMessage[field][errorMessage]) {
          return fieldErrorMessage[field][errorMessage];
        }

        // This will be difficult to happen,
        // but if it happens we will be able to see which message is not being mapped on the fron-tend
        Sentry.withScope(scope => {
          scope.setExtra('serverSideField', serverSideField);
          scope.setExtra('message', errorMessage);
          Sentry.captureException(
            new Error('App Store Connect - Untranslated error message')
          );
        });

        return errorMessage;
      });

      // the UI only displays one error message at a time
      return {...acc, [field]: errorMessages[0]};
    },
    {}
  ) as Record<keyof StepOneData, string>;
}