/**
 * @author javier.garcia
 * @date 26/03/2018
 * @copyright Frontiers Software S.L.
 */

@IsTest
public with sharing class DuplicateAggregatorTest {

    @IsTest
    static void testAssignSameIdWhenEmailsMatch() {
        TriggerTemplateV2.allTriggersDisabled = true; // Reason: It's not an integration test.

        Contact con = new Contact(Email = 'test@email.com', LastName = 'Smith');
        insert con;

        Contact dupCon = new Contact(Email = 'test@email.com', LastName = 'Green');

        Test.startTest();
        List<Contact> recalculatedContacts = DuplicateAggregator.recalculateEmailSetId(new List<Contact> { dupCon });
        Test.stopTest();

        System.assertEquals(2, recalculatedContacts.size());
        System.assertEquals(recalculatedContacts[0].EmailSetId__c, recalculatedContacts[1].EmailSetId__c);
    }

    @IsTest
    static void testAssignSameIdWhenEmailsMatch_Multiple() {
        TriggerTemplateV2.allTriggersDisabled = true; // Reason: It's not an integration test.

        Contact con = new Contact(Email = 'test@email.com', LastName = 'Smith');
        Contact con2 = new Contact(AlternativeEmailAddress1__c = 'test@email.com', LastName = 'Smith2');
        Contact con3 = new Contact(AlternativeEmailAddress2__c = 'test@email.com', LastName = 'Smith3');
        Contact con4 = new Contact(AlternativeEmailAddress3__c = 'test@email.com', LastName = 'Smith4');
        Contact con5 = new Contact(AlternativeEmailAddress4__c = 'test@email.com', LastName = 'Smith5');
        Contact con6 = new Contact(AlternativeEmailAddress5__c = 'test@email.com', LastName = 'Smith6');
        insert new List<Contact> {con, con2, con3, con4, con5, con6};

        Contact dupCon = new Contact(Email = 'test@email.com', LastName = 'Green');

        Test.startTest();
        List<Contact> recalculatedContacts = DuplicateAggregator.recalculateEmailSetId(new List<Contact> { dupCon });
        Test.stopTest();

        System.assertEquals(7, recalculatedContacts.size());
        System.assertEquals(recalculatedContacts[0].EmailSetId__c, recalculatedContacts[1].EmailSetId__c);
        System.assertEquals(recalculatedContacts[1].EmailSetId__c, recalculatedContacts[2].EmailSetId__c);
        System.assertEquals(recalculatedContacts[2].EmailSetId__c, recalculatedContacts[3].EmailSetId__c);
        System.assertEquals(recalculatedContacts[3].EmailSetId__c, recalculatedContacts[4].EmailSetId__c);
        System.assertEquals(recalculatedContacts[4].EmailSetId__c, recalculatedContacts[5].EmailSetId__c);
        System.assertEquals(recalculatedContacts[5].EmailSetId__c, recalculatedContacts[6].EmailSetId__c);
    }

    @IsTest
    static void testAssignDifferentIdsWhenEmailsDontMatch() {
        TriggerTemplateV2.allTriggersDisabled = true; // Reason: It's not an integration test.

        Contact con = new Contact(Email = 'one@email.com', LastName = 'Smith', EmailSetId__c = '12345');
        insert con;

        Contact dupCon = new Contact(Email = 'two@email.com', LastName = 'Green');

        Test.startTest();
        List<Contact> recalculatedContacts = DuplicateAggregator.recalculateEmailSetId(new List<Contact> { dupCon });
        Test.stopTest();

        System.assertEquals(1, recalculatedContacts.size());
        System.assertEquals(dupCon.Email, recalculatedContacts[0].Email);
        System.assertNotEquals(null, recalculatedContacts[0].EmailSetId__c);
    }

    @IsTest
    static void testAssignDifferentIdsWhenIdsMatchButEmailsDiffer() {
        TriggerTemplateV2.allTriggersDisabled = true; // Reason: It's not an integration test.

        Contact con = new Contact(Email = 'cool@email.com', LastName = 'Smith', EmailSetId__c = 'qwerty');
        Contact con2 = new Contact(Email = 'pretty@email.com', LastName = 'Blue', EmailSetId__c = 'qwerty');
        insert new List<Contact> { con, con2 };

        Contact nonDupCon = new Contact(Email = 'nice@email.com', LastName = 'Green', EmailSetId__c = 'qwerty');

        Test.startTest();
        List<Contact> recalculatedContacts = DuplicateAggregator.recalculateEmailSetId(new List<Contact> { nonDupCon });
        Test.stopTest();

        System.assertEquals(2, recalculatedContacts.size());
        System.assertNotEquals(recalculatedContacts[0].EmailSetId__c, recalculatedContacts[1].EmailSetId__c);
        System.assertNotEquals(recalculatedContacts[0].EmailSetId__c, nonDupCon.EmailSetId__c);
        System.assertNotEquals(recalculatedContacts[1].EmailSetId__c, nonDupCon.EmailSetId__c);
    }

    @IsTest
    static void testAssignDifferentIdsWhenIdsMatchButEmailsDiffer_Multiple() {

    }

    @IsTest
    static void testAssignDifferentIdsWhenEmailIsEmpty() {
        //TODO - si vienen contactos sin email, no son duplicados de nada.
    }

    @IsTest
    static void testAssignSameIdWhenEmailsMatchDisjointContacts() {
        TriggerTemplateV2.allTriggersDisabled = true; // Reason: It's not an integration test.

        Contact con = new Contact(Email = 'one@email.com', AlternativeEmailAddress1__c = 'two@email.com', LastName = 'Smith');
        Contact con2 = new Contact(Email = 'two@email.com', AlternativeEmailAddress1__c = 'three@email.com', LastName = 'Smith');
        Contact con3 = new Contact(Email = 'three@email.com', AlternativeEmailAddress1__c = 'four@email.com', LastName = 'Smith');
        insert new List<Contact> { con, con2, con3 };

        Contact dupCon = new Contact(Email = 'four@email.com', LastName = 'Green');

        Test.startTest();
        List<Contact> recalculatedContacts = DuplicateAggregator.recalculateEmailSetId(new List<Contact> { dupCon });
        Test.stopTest();

        System.assertEquals(4, recalculatedContacts.size());
        System.assertEquals(recalculatedContacts[0].EmailSetId__c, recalculatedContacts[1].EmailSetId__c);
        System.assertEquals(recalculatedContacts[1].EmailSetId__c, recalculatedContacts[2].EmailSetId__c);
        System.assertEquals(recalculatedContacts[2].EmailSetId__c, recalculatedContacts[3].EmailSetId__c);
    }

    @IsTest
    static void testPerformanceAssigningSameIdWhenEmailsMatch_200Records() {
        TriggerTemplateV2.allTriggersDisabled = true; // Reason: It's not an integration test.

        List<Contact> contacts = new List<Contact>();
        for(Integer i = 0; i < 100; i++) {
            Contact contact = new Contact(Email = i + 'one@email.com', AlternativeEmailAddress1__c = 'three@email.com', LastName = 'Smith');
            contacts.add(contact);
        }

        for(Integer i = 0; i < 100; i++) {
            Contact contact = new Contact(Email = i + 'two@email.com', AlternativeEmailAddress1__c = 'three@email.com', LastName = 'John');
            contacts.add(contact);
        }

        insert contacts;

        Contact dupCon = new Contact(Email = 'three@email.com', LastName = 'Green');

        Test.startTest();
        List<Contact> recalculatedContacts = DuplicateAggregator.recalculateEmailSetId(new List<Contact> { dupCon });
        Test.stopTest();

        System.assertEquals(201, recalculatedContacts.size());

        for(Integer i = 1; i < 199; i++) {
            System.assertEquals(recalculatedContacts[i - 1].EmailSetId__c, recalculatedContacts[i].EmailSetId__c);
        }
    }

    @IsTest
    static void testPerformanceAssigningSameIdWhenEmailsMatch_500Records() {
        TriggerTemplateV2.allTriggersDisabled = true; // Reason: It's not an integration test.

        List<Contact> contacts = new List<Contact>();
        for(Integer i = 0; i < 250; i++) {
            Contact contact = new Contact(Email = i + 'email@email.com', AlternativeEmailAddress1__c = (i+1) + 'email@email.com', LastName = 'Smith');
            contacts.add(contact);
        }

        for(Integer i = 250; i < 500; i++) {
            Contact contact = new Contact(Email = i + 'email@email.com', AlternativeEmailAddress1__c = (i+1) + 'email@email.com', LastName = 'John');
            contacts.add(contact);
        }

        insert contacts;

        Contact dupCon = new Contact(Email = 'three@email.com', LastName = 'Green');

        Test.startTest();
        List<Contact> recalculatedContacts = DuplicateAggregator.recalculateEmailSetId(new List<Contact> { dupCon });
        Test.stopTest();

        System.assertEquals(501, recalculatedContacts.size());

        for(Integer i = 1; i < 499; i++) {
            System.assertEquals(recalculatedContacts[i - 1].EmailSetId__c, recalculatedContacts[i].EmailSetId__c);
        }
    }

    //TODO - cambiar un email, pero que siga siendo duplicado.
}