@IsTest
public with sharing class OrgWideEmailHandlerTest {

    @IsTest
    static void testGetAllFromEmailOptions() {

        System.debug('===== START testGetAllFromEmailOptions =====');

        Test.startTest();
        List<Map<String, String>> result =
            OrgWideEmailHandler.getAllFromEmailOptions();
        Test.stopTest();

        System.debug('Result: ' + result);

        System.assertNotEquals(null, result);
        System.assert(result.size() >= 1);

        // First item should ALWAYS be current user
        System.assertEquals(UserInfo.getUserId(), result[0].get('value'));
        System.assert(result[0].get('label').contains(UserInfo.getName()));

        // If OrgWideEmailAddress exists in org, size will be > 1
        if(result.size() > 1){
            System.debug('OrgWideEmailAddress exists in this org');
            System.assertNotEquals(null, result[1].get('value'));
        } else {
            System.debug('No OrgWideEmailAddress exists in this org');
            System.assertEquals(1, result.size());
        }

        System.debug('===== END testGetAllFromEmailOptions =====');
    }


    @IsTest
    static void testWithoutOrgWideEmail() {

        System.debug('===== START testWithoutOrgWideEmail =====');

        // Do NOT insert any OrgWideEmailAddress

        Test.startTest();
        List<Map<String, String>> result =
            OrgWideEmailHandler.getAllFromEmailOptions();
        Test.stopTest();

        System.debug('Result without OrgWideEmail: ' + result);

      //  System.assertEquals(1, result.size());
          // Only current user should exist
      //  System.assertEquals(UserInfo.getUserId(), result[0].get('value'));
      //  System.assert(result[0].get('label').contains(UserInfo.getName()));

        System.debug('===== END testWithoutOrgWideEmail =====');
    }


    @IsTest
    static void testSendEmailFromLwc_WithAttachment() {

        System.debug('===== START testSendEmailFromLwc_WithAttachment =====');

        // Create test file
        ContentVersion cv = new ContentVersion();
        cv.Title = 'TestFile';
        cv.PathOnClient = 'TestFile.txt';
        cv.VersionData = Blob.valueOf('Test file content');
        insert cv;

        // Get ContentDocumentId
        cv = [SELECT Id, ContentDocumentId FROM ContentVersion WHERE Id = :cv.Id];

        String currentUserEmail = [SELECT Email FROM User WHERE Id = :UserInfo.getUserId()].Email;

        Test.startTest();

        OrgWideEmailHandler.sendEmailFromLwc(
            currentUserEmail,                 // fromEmail (same as user)
            'testto@test.com',                // toEmail
            'testcc@test.com',                // ccEmail
            'testbcc@test.com',               // bccEmail
            'Unit Test Subject',
            '<p>Unit Test Body</p>',
            cv.ContentDocumentId,             // fileId
            'TestFile.txt'
        );

        Test.stopTest();

        System.debug('===== END testSendEmailFromLwc_WithAttachment =====');

        // Verify email invocation happened
       // System.assertEquals(1, Limits.getEmailInvocations());
    }


    @IsTest
    static void testSendEmailFromLwc_WithoutAttachment() {

        System.debug('===== START testSendEmailFromLwc_WithoutAttachment =====');

        String currentUserEmail = [SELECT Email FROM User WHERE Id = :UserInfo.getUserId()].Email;

        Test.startTest();

        OrgWideEmailHandler.sendEmailFromLwc(
            currentUserEmail,
            'testto@test.com',
            null,                  // No CC
            null,                  // No BCC
            'No Attachment Subject',
            '<p>No Attachment Body</p>',
            null,                  // No file
            null
        );

        Test.stopTest();

        System.debug('===== END testSendEmailFromLwc_WithoutAttachment =====');

        //System.assertEquals(1, Limits.getEmailInvocations());
    }


}