shoc-backend/Api.SeaHavenIndustries.Tests/AuthenticationControllerTests.cs

using Api.SeaHavenIndustries.Controllers;
using Api.SeaHavenIndustries.DTOs;
using Data.SeaHavenIndustries;
using FluentAssertions;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Moq;
using SeaHaven.Services.DTOs;
using SeaHaven.Services.Interfaces;
using System.Security.Claims;
using System.Text.Json;
using Xunit;

namespace Api.SeaHavenIndustries.Tests;

public class AuthenticationControllerTests
{
    private static string Json(object? value) =>
        JsonSerializer.Serialize(value, value?.GetType() ?? typeof(object));

    private static AuthenticationController NewController(Mock<IAuthenticationService> service, string? userId = null)
    {
        var controller = new AuthenticationController(service.Object);
        if (userId != null)
        {
            controller.ControllerContext = new ControllerContext
            {
                HttpContext = new DefaultHttpContext
                {
                    User = new ClaimsPrincipal(new ClaimsIdentity(new[]
                    {
                        new Claim(ClaimTypes.NameIdentifier, userId)
                    }, "Test"))
                }
            };
        }
        return controller;
    }

    [Fact]
    public async Task Login_WithSuccessfulResult_MapsLowercaseTokenPayload()
    {
        var service = new Mock<IAuthenticationService>();
        service.Setup(s => s.LoginAsync("alice", "pw", It.IsAny<CancellationToken>()))
            .ReturnsAsync(new LoginResultDTO
            {
                Token = "tok",
                Expiration = new DateTime(2026, 1, 2, 3, 4, 5, DateTimeKind.Utc),
                Email = "alice@example.com",
                UserRole = "Admin",
                PhoneNumber = "555",
                Fullname = "Alice Q",
                Id = "user-1"
            });

        var controller = NewController(service);

        var result = await controller.Login(new LoginModel { Username = "alice", Password = "pw" }, CancellationToken.None);

        var ok = result.Should().BeOfType<OkObjectResult>().Subject;
        var json = Json(ok.Value);
        json.Should().Contain("\"token\":\"tok\"");
        json.Should().Contain("\"expiration\":\"");
        json.Should().Contain("\"email\":\"alice@example.com\"");
        json.Should().Contain("\"userRoles\":\"Admin\"");
        json.Should().Contain("\"phoneNumber\":\"555\"");
        json.Should().Contain("\"fullname\":\"Alice Q\"");
        json.Should().Contain("\"id\":\"user-1\"");
    }

    [Fact]
    public async Task Login_WithNullResult_ReturnsUnauthorized()
    {
        var service = new Mock<IAuthenticationService>();
        service.Setup(s => s.LoginAsync(It.IsAny<string?>(), It.IsAny<string?>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync((LoginResultDTO?)null);

        var controller = NewController(service);

        var result = await controller.Login(new LoginModel(), CancellationToken.None);

        result.Should().BeOfType<UnauthorizedResult>();
    }

    [Fact]
    public async Task ChangePassword_Success_ReturnsSuccessMessageWithTrailingSpace()
    {
        var service = new Mock<IAuthenticationService>();
        service.Setup(s => s.ChangePasswordAsync("42", "old", "new", It.IsAny<CancellationToken>()))
            .ReturnsAsync(true);

        var controller = NewController(service, "42");

        var result = await controller.ChangePassword(new ChangePasswords { Currentpassword = "old", Confirmpassword = "new" }, CancellationToken.None);

        var ok = result.Should().BeOfType<OkObjectResult>().Subject;
        var response = ok.Value.Should().BeOfType<Response>().Subject;
        response.Status.Should().Be("Success ");
        response.Message.Should().Be("Password successfully changed");
    }

    [Fact]
    public async Task ChangePassword_Failure_ReturnsOldPasswordIncorrectStatus()
    {
        var service = new Mock<IAuthenticationService>();
        service.Setup(s => s.ChangePasswordAsync(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(false);

        var controller = NewController(service, "42");

        var result = await controller.ChangePassword(new ChangePasswords(), CancellationToken.None);

        var bad = result.Should().BeOfType<BadRequestObjectResult>().Subject;
        var response = bad.Value.Should().BeOfType<Response>().Subject;
        response.Status.Should().Be("Old Password is incorrect");
    }

    [Fact]
    public async Task UpdateProfile_MapsProfileDataIntoDataResponse()
    {
        var service = new Mock<IAuthenticationService>();
        service.Setup(s => s.UpdateProfileAsync("42", It.IsAny<UpdateProfileRequestDTO>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(new UserProfileDTO { FirstName = "Bob", Email = "bob@x.com", Contact = "111" });

        var controller = NewController(service, "42");

        var form = new User_DTO { Name = "Bob", Email = "bob@x.com", Contact = "111" };
        var result = await controller.UserProfileUpdate(form, CancellationToken.None);

        var ok = result.Should().BeOfType<OkObjectResult>().Subject;
        var response = ok.Value.Should().BeOfType<DataResponse>().Subject;
        response.Status.Should().Be("200");
        response.Message.Should().Be("Introduction Updated Successfully");
        var json = Json((object?)response.Data);
        json.Should().Contain("\"FirstName\":\"Bob\"");
        json.Should().Contain("\"Email\":\"bob@x.com\"");
        json.Should().Contain("\"Contact\":\"111\"");
    }

    [Fact]
    public async Task ForgetPassword_Found_ReturnsCheckEmailMessage()
    {
        var service = new Mock<IAuthenticationService>();
        service.Setup(s => s.ForgetPasswordAsync("a@b.com", It.IsAny<CancellationToken>())).ReturnsAsync(true);

        var controller = NewController(service);

        var result = await controller.ForgetPassword("a@b.com", CancellationToken.None);

        var ok = result.Should().BeOfType<OkObjectResult>().Subject;
        var response = ok.Value.Should().BeOfType<Response>().Subject;
        response.Status.Should().Be("Success ");
        response.Message.Should().Be("Please check your email for code");
    }

    [Fact]
    public async Task ForgetPassword_NotFound_ReturnsNoSuchEmailMessage()
    {
        var service = new Mock<IAuthenticationService>();
        service.Setup(s => s.ForgetPasswordAsync(It.IsAny<string>(), It.IsAny<CancellationToken>())).ReturnsAsync(false);

        var controller = NewController(service);

        var result = await controller.ForgetPassword("x@y.com", CancellationToken.None);

        var bad = result.Should().BeOfType<BadRequestObjectResult>().Subject;
        var response = bad.Value.Should().BeOfType<Response>().Subject;
        response.Status.Should().Be("Error");
        response.Message.Should().Be("No such email is registered");
    }

    [Theory]
    [InlineData(true, "Success ", "Code Matched")]
    [InlineData(false, "Error", "Code Not Matched")]
    public async Task VerificationCode_MapsServiceResult(bool matched, string expectedStatus, string expectedMessage)
    {
        var service = new Mock<IAuthenticationService>();
        service.Setup(s => s.VerifyCodeAsync("123456", It.IsAny<CancellationToken>())).ReturnsAsync(matched);

        var controller = NewController(service);

        var result = await controller.VerificationCode("123456", CancellationToken.None);

        if (matched)
        {
            var ok = result.Should().BeOfType<OkObjectResult>().Subject;
            var r = ok.Value.Should().BeOfType<Response>().Subject;
            r.Status.Should().Be(expectedStatus);
            r.Message.Should().Be(expectedMessage);
        }
        else
        {
            var bad = result.Should().BeOfType<BadRequestObjectResult>().Subject;
            var r = bad.Value.Should().BeOfType<Response>().Subject;
            r.Status.Should().Be(expectedStatus);
            r.Message.Should().Be(expectedMessage);
        }
    }

    [Fact]
    public async Task ResetPassword_Matched_ReturnsPasswordChangedMessage()
    {
        var service = new Mock<IAuthenticationService>();
        service.Setup(s => s.ResetPasswordAsync("a@b.com", "123", "new", It.IsAny<CancellationToken>())).ReturnsAsync(true);

        var controller = NewController(service);

        var result = await controller.ResetPassword(new ForgetPassword_Dto { Email = "a@b.com", Code = "123", Password = "new" }, CancellationToken.None);

        var ok = result.Should().BeOfType<OkObjectResult>().Subject;
        var response = ok.Value.Should().BeOfType<Response>().Subject;
        response.Status.Should().Be("Success ");
        response.Message.Should().Be("password changed");
    }

    [Fact]
    public async Task ResetPassword_NotMatched_ReturnsEmailOrCodeNotFoundMessage()
    {
        var service = new Mock<IAuthenticationService>();
        service.Setup(s => s.ResetPasswordAsync(It.IsAny<string>(), It.IsAny<string?>(), It.IsAny<string?>(), It.IsAny<CancellationToken>()))
            .ReturnsAsync(false);

        var controller = NewController(service);

        var result = await controller.ResetPassword(new ForgetPassword_Dto { Email = "a@b.com" }, CancellationToken.None);

        var bad = result.Should().BeOfType<BadRequestObjectResult>().Subject;
        var response = bad.Value.Should().BeOfType<Response>().Subject;
        response.Message.Should().Be("Your email or code not found please check");
    }
}