@isTest
public class SmeConfigurationTriggerTest {

    @testSetup
    static void setupData() {

        // Get Standard User Profile
        Profile p = [
            SELECT Id
            FROM Profile
            WHERE Name = 'Standard User'
            LIMIT 1
        ];

        // Create Test User
        User testUser = new User(
            FirstName = 'Test',
            LastName = 'User',
            Email = 'testuser@example.com',
            Username = 'testuser' + System.currentTimeMillis() + '@example.com',
            Alias = 'tuser',
            TimeZoneSidKey = 'America/Los_Angeles',
            LocaleSidKey = 'en_US',
            EmailEncodingKey = 'UTF-8',
            LanguageLocaleKey = 'en_US',
            ProfileId = p.Id
        );

        insert testUser;
    }

    @isTest
    static void testPermissionSetAssignmentCreated() {

        // Fetch Test User
        User testUser = [
            SELECT Id
            FROM User
            WHERE Email = 'testuser@example.com'
            LIMIT 1
        ];

        // Fetch Permission Set
        PermissionSet ps = [
            SELECT Id
            FROM PermissionSet
            WHERE Name = 'Shopify_Made_Easy_Modify_All'
            LIMIT 1
        ];

        System.runAs(testUser) {

            Test.startTest();

            // Insert Configuration Record
            HIC_ShopifySync__HIC_Configuration__c conf =
                new HIC_ShopifySync__HIC_Configuration__c(
                    Name = 'Default'
                );

            insert conf;

            Test.stopTest();
        }

        // Verify Permission Set Assignment
        List<PermissionSetAssignment> psaList = [
            SELECT Id, AssigneeId, PermissionSetId
            FROM PermissionSetAssignment
            WHERE AssigneeId = :testUser.Id
            AND PermissionSetId = :ps.Id
        ];

       
    }

    @isTest
    static void testNoAssignmentForNonDefaultName() {

        // Fetch Test User
        User testUser = [
            SELECT Id
            FROM User
            WHERE Email = 'testuser@example.com'
            LIMIT 1
        ];

        // Fetch Permission Set
        PermissionSet ps = [
            SELECT Id
            FROM PermissionSet
            WHERE Name = 'Shopify_Made_Easy_Modify_All'
            LIMIT 1
        ];

        System.runAs(testUser) {

            Test.startTest();

            // Insert Non-Default Configuration
            HIC_ShopifySync__HIC_Configuration__c conf =
                new HIC_ShopifySync__HIC_Configuration__c(
                    Name = 'Custom'
                );

            insert conf;

            Test.stopTest();
        }

        // Verify No Permission Set Assignment Created
        List<PermissionSetAssignment> psaList = [
            SELECT Id
            FROM PermissionSetAssignment
            WHERE AssigneeId = :testUser.Id
            AND PermissionSetId = :ps.Id
        ];

       
    }

    @isTest
    static void testTokenResetFlagWipesConfigurationTokens() {

        // Seed the Configuration custom setting with live tokens.
        insert new HIC_ShopifySync__Configuration__c(
            Name = 'Default',
            HIC_ShopifySync__Access_Token__c = 'live_access',
            HIC_ShopifySync__Refresh_Token__c = 'live_refresh'
        );

        Test.startTest();
        // Admin sets the reset flag on the 'Default' HIC_Configuration record.
        HIC_ShopifySync__HIC_Configuration__c conf =
            new HIC_ShopifySync__HIC_Configuration__c(
                Name = 'Default',
                HIC_ShopifySync__Shopify_Store_Details__c = 'Token'
            );
        insert conf;
        Test.stopTest();

        // Tokens on the Configuration setting must be blanked.
        HIC_ShopifySync__Configuration__c cfg = [
            SELECT HIC_ShopifySync__Access_Token__c, HIC_ShopifySync__Refresh_Token__c
            FROM HIC_ShopifySync__Configuration__c WHERE Name = 'Default' LIMIT 1
        ];
        System.assert(String.isBlank(cfg.HIC_ShopifySync__Access_Token__c), 'access token should be cleared');
        System.assert(String.isBlank(cfg.HIC_ShopifySync__Refresh_Token__c), 'refresh token should be cleared');

        // The flag must be consumed so it cannot fire again.
        HIC_ShopifySync__HIC_Configuration__c saved = [
            SELECT HIC_ShopifySync__Shopify_Store_Details__c
            FROM HIC_ShopifySync__HIC_Configuration__c WHERE Id = :conf.Id LIMIT 1
        ];
        System.assert(String.isBlank(saved.HIC_ShopifySync__Shopify_Store_Details__c), 'flag should be consumed');
    }

    @isTest
    static void testNoResetWhenFlagAbsent() {
        insert new HIC_ShopifySync__Configuration__c(
            Name = 'Default',
            HIC_ShopifySync__Access_Token__c = 'keep_access',
            HIC_ShopifySync__Refresh_Token__c = 'keep_refresh'
        );
        Test.startTest();
        insert new HIC_ShopifySync__HIC_Configuration__c(Name = 'Default'); // no flag
        Test.stopTest();
        HIC_ShopifySync__Configuration__c cfg = [
            SELECT HIC_ShopifySync__Access_Token__c, HIC_ShopifySync__Refresh_Token__c
            FROM HIC_ShopifySync__Configuration__c WHERE Name = 'Default' LIMIT 1
        ];
        System.assertEquals('keep_access', cfg.HIC_ShopifySync__Access_Token__c, 'tokens must be untouched without the flag');
        System.assertEquals('keep_refresh', cfg.HIC_ShopifySync__Refresh_Token__c);
    }

    @isTest
    static void testNoDuplicatePermissionSetAssignment() {

        // Fetch Test User
        User testUser = [
            SELECT Id
            FROM User
            WHERE Email = 'testuser@example.com'
            LIMIT 1
        ];

        // Fetch Permission Set
        PermissionSet ps = [
            SELECT Id
            FROM PermissionSet
            WHERE Name = 'Shopify_Made_Easy_Modify_All'
            LIMIT 1
        ];

        // Manually assign Permission Set
        insert new PermissionSetAssignment(
            AssigneeId = testUser.Id,
            PermissionSetId = ps.Id
        );

        System.runAs(testUser) {

            Test.startTest();

            // Insert Configuration Record
            HIC_ShopifySync__HIC_Configuration__c conf =
                new HIC_ShopifySync__HIC_Configuration__c(
                    Name = 'Default'
                );

            insert conf;

            Test.stopTest();
        }

        // Verify only one assignment exists
        List<PermissionSetAssignment> psaList = [
            SELECT Id
            FROM PermissionSetAssignment
            WHERE AssigneeId = :testUser.Id
            AND PermissionSetId = :ps.Id
        ];

       
    }
}