public with sharing class customer360CommunicationsHelper {

    @AuraEnabled(cacheable=true)
    public static List<Map<String, String>> getCaseAccountContact(List<Id> caseId) {

        //Creating a new Map String to return the variables
        List<Map<String, String>> caseAccountContactList = new List<Map<String, String>>();
        
        //SOQL querey to retrieved the Desired fields from the Case
        List<Case> relatedCases = [SELECT AccountId, ContactId, Account.Name, Contact.AlternativeBillingName__c, Contact.ContactPreferences__c, Contact.PreferredCommunicationFormat__c, 
                                    Contact.Individual.HasOptedOutSolicit FROM Case WHERE Id IN :caseId LIMIT 1];

        Case relatedCase = relatedCases[0];

        //Checking if there is an AccountId and ContactId on the Case
        if (relatedCase.AccountId != null && relatedCase.ContactId != null) {
            
            //Creating a new Map String to add the fields onto
            Map<String, String> caseAccountContactMap = new Map<String, String>();

            //All the desired fields are then put into the caseAccountContactMap
            caseAccountContactMap.put('AccountName', relatedCase.Account?.Name);
            caseAccountContactMap.put('AccountId', relatedCase.AccountId);
            caseAccountContactMap.put('ContactId', relatedCase.ContactId);
            caseAccountContactMap.put('ContactAlternativeBillingName', String.isBlank(relatedCase.Contact?.AlternativeBillingName__c) ? '' : relatedCase.Contact.AlternativeBillingName__c);
            caseAccountContactMap.put('ContactOpted', relatedCase.Contact?.Individual.HasOptedOutSolicit != null && relatedCase.Contact.Individual.HasOptedOutSolicit ? 'Opt Out' : '');
            caseAccountContactMap.put('ContactPreferences', relatedCase.Contact?.ContactPreferences__c != null ? relatedCase.Contact.ContactPreferences__c : '');
            caseAccountContactMap.put('PreferredCommunicationFormat', relatedCase.Contact?.PreferredCommunicationFormat__c != null ? relatedCase.Contact.PreferredCommunicationFormat__c : '');

            //The caseAccountContactMap is added onto the caseAccountContactMap
            caseAccountContactList.add(caseAccountContactMap);
        }
        return caseAccountContactList;
    }
}