REST API: Country Codes

Given a country name and a phone number, query the API at https://jsonmock.hackerrank.com/api/countries?name=country to get the country's calling codes. Prepend the calling code to the phone number and return the string. If the data array is empty, return the string '-1'. If there are multiple calling codes, use the one at the highest index. The format of the number should be: <Calling Code><space><Phone Number> Example: +1 7653555443 The response is a JSON object with 5 fields. The essential field is data: data: Either an empty array or an array with a single object that contains the country's record. In the data array, the country has the following schema: name: The name of the country (String)

• callingCodes: An array of the country's calling codes (String Array)
• A number of fields that are not of interest. page, per_page, total, total_pages, etc. are not required for this task. If the country is found, the data array contains exactly 1 element. If not, it is empty and the function should return '-1'. Function Description Complete the getPhoneNumbers function in the editor. getPhoneNumbers has the following parameters:
• string country: the country to query
• string phoneNumber: the phone number Returns string: the completed phone number or -1

Constraints

• The returned JSON object contains either 0 or 1 record in data.
• he country name may contain uppercase and lowercase English letters and <space> (ascii 32)

Example 1

Input:

country = "Afghanistan"
phoneNumber = "6564454455"

Output:

"+93 6564454455"

Explanation: A call is made to API https://jsonmock.hackerrank.com/api/countries?name=Afghanistan. The calling codes array contains 1 entry, '93'.

Example 2

Input:

country = "Puerto Rico"
phoneNumber = "564539386"

Output:

"+1939 564539386"

Explanation: A call is made to the API to fetch the record for Puerto Rico. The returned callingCodes = ['1787', '1939']. Use the higher index code, callingCodes[1].

Example 3

Input:

country = "Oceania"
phoneNumber = "987574876"

Output:

"-1"

Explanation: The API call return has an empty data array.