using System.Net;
using System.Text.Json;
using JdeScoping.Client.Services;
using JdeScoping.Core.ApiContracts;
using JdeScoping.Core.ApiContracts.Results;
using JdeScoping.Core.Models.Auth;
using RichardSzalay.MockHttp;
using Shouldly;

namespace JdeScoping.Client.Tests.Services;

public class AuthApiClientTests
{
    private readonly MockHttpMessageHandler _mockHttp;
    private readonly AuthApiClient _client;

    public AuthApiClientTests()
    {
        _mockHttp = new MockHttpMessageHandler();
        var httpClient = new HttpClient(_mockHttp) { BaseAddress = new Uri("http://localhost/") };
        _client = new AuthApiClient(httpClient);
    }

    // Route verification tests

    [Fact]
    public async Task GetPublicKeyAsync_CallsCorrectRoute()
    {
        // Arrange
        var request = _mockHttp.Expect(HttpMethod.Get, $"http://localhost/{ApiRoutes.Auth.PublicKey}")
            .Respond("application/json", JsonSerializer.Serialize(new PublicKeyResponse("-----BEGIN PUBLIC KEY-----\ntest\n-----END PUBLIC KEY-----")));

        // Act
        await _client.GetPublicKeyAsync();

        // Assert
        _mockHttp.GetMatchCount(request).ShouldBe(1);
    }

    [Fact]
    public async Task LoginAsync_CallsCorrectRoute_WithPostMethod()
    {
        // Arrange
        var request = _mockHttp.Expect(HttpMethod.Post, $"http://localhost/{ApiRoutes.Auth.Login}")
            .Respond("application/json", JsonSerializer.Serialize(new LoginResultModel(true, null, null)));

        // Act
        await _client.LoginAsync(new EncryptedLoginRequest("encrypted"));

        // Assert
        _mockHttp.GetMatchCount(request).ShouldBe(1);
    }

    [Fact]
    public async Task LogoutAsync_CallsCorrectRoute_WithPostMethod()
    {
        // Arrange
        var request = _mockHttp.Expect(HttpMethod.Post, $"http://localhost/{ApiRoutes.Auth.Logout}")
            .Respond(HttpStatusCode.NoContent);

        // Act
        await _client.LogoutAsync();

        // Assert
        _mockHttp.GetMatchCount(request).ShouldBe(1);
    }

    [Fact]
    public async Task GetCurrentUserAsync_CallsCorrectRoute()
    {
        // Arrange
        var user = new UserInfoDto { Username = "testuser", FirstName = "Test", LastName = "User" };
        var request = _mockHttp.Expect(HttpMethod.Get, $"http://localhost/{ApiRoutes.Auth.Me}")
            .Respond("application/json", JsonSerializer.Serialize(user));

        // Act
        await _client.GetCurrentUserAsync();

        // Assert
        _mockHttp.GetMatchCount(request).ShouldBe(1);
    }

    // Success tests

    [Fact]
    public async Task GetPublicKeyAsync_Success_ReturnsPublicKey()
    {
        // Arrange
        var publicKey = "-----BEGIN PUBLIC KEY-----\nMIIBIjAN...\n-----END PUBLIC KEY-----";
        _mockHttp.When(HttpMethod.Get, "*")
            .Respond("application/json", JsonSerializer.Serialize(new PublicKeyResponse(publicKey)));

        // Act
        var result = await _client.GetPublicKeyAsync();

        // Assert
        result.IsSuccess.ShouldBeTrue();
        result.Value.PublicKeyPem.ShouldBe(publicKey);
    }

    [Fact]
    public async Task LoginAsync_Success_ReturnsLoginResult()
    {
        // Arrange
        var user = new UserInfoDto { Username = "testuser", FirstName = "Test", LastName = "User" };
        var loginResult = new LoginResultModel(true, null, user);
        _mockHttp.When(HttpMethod.Post, "*")
            .Respond("application/json", JsonSerializer.Serialize(loginResult));

        // Act
        var result = await _client.LoginAsync(new EncryptedLoginRequest("encrypted"));

        // Assert
        result.IsSuccess.ShouldBeTrue();
        result.Value.Success.ShouldBeTrue();
        result.Value.User?.Username.ShouldBe("testuser");
    }

    [Fact]
    public async Task LogoutAsync_Success_ReturnsUnit()
    {
        // Arrange
        _mockHttp.When(HttpMethod.Post, "*")
            .Respond(HttpStatusCode.NoContent);

        // Act
        var result = await _client.LogoutAsync();

        // Assert
        result.IsSuccess.ShouldBeTrue();
    }

    [Fact]
    public async Task GetCurrentUserAsync_Success_ReturnsUserInfo()
    {
        // Arrange
        var userInfo = new UserInfoDto { Username = "testuser", FirstName = "Test", LastName = "User" };
        _mockHttp.When(HttpMethod.Get, "*")
            .Respond("application/json", JsonSerializer.Serialize(userInfo));

        // Act
        var result = await _client.GetCurrentUserAsync();

        // Assert
        result.IsSuccess.ShouldBeTrue();
        result.Value.Username.ShouldBe("testuser");
    }
}