Random Installment data

gistfile1.txt

Integer COUNT = 400;
List<String> SEPAMethods = new List<String>{'Direct Debit', 'Manual'};
List<String> StripeMethods = new List<String>{'CreditCard', 'Blik24', 'Sepa Direct Debit', 'Ideal'};
List<String> Statusses = new List<String>{'New', 'Failed', 'Collected'};

List<Contact> contactList = new List<Contact>();
for(Integer i = 0; i < COUNT; i++) {
    contactList.add(new Contact(LastName = 'lastName' + i));
}
insert contactList;

List<cpm__Installment__c> installmentList = new List<cpm__Installment__c>();
for(Contact c : contactList) {
    String processor;
    if(Math.random() > 0.5) {
        processor = 'SEPA';
    } else {
        processor = 'Stripe';
    }
    String paymentMethod;
    if(processor == 'SEPA') {
        paymentMethod = SEPAMethods[Integer.valueOf(math.Random()*SEPAMethods.size())];
    }
    if(processor == 'Stripe') {
        paymentMethod = StripeMethods[Integer.valueOf(math.Random()*StripeMethods.size())];
    }
    String status = Statusses[Integer.valueOf(Math.Random()*Statusses.size())];
    cpm__Installment__c inst = new cpm__Installment__c(
    	cpm__Contact__c = c.Id,
        cpm__Amount__c = Integer.valueof((Math.random() * 100)),
        cpm__Payment_Processor__c = processor,
        cpm__Payment_Method__c = paymentMethod,
        cpm__Status__c = status
    );
    installmentList.add(inst);
}
insert installmentList;