using System.Net;
using PnvPanel.IntegrationTests.TestSupport;
using Xunit;
using static PnvPanel.IntegrationTests.TestSupport.AuthTestHelper;

namespace PnvPanel.IntegrationTests.Activation;

[Collection(IntegrationTestCollection.Name)]
public class ActivationFlowTests(PnvPanelWebApplicationFactory factory)
{
    private sealed record ActivationRequestResponse(
        Guid Id,
        string? Comment,
        DateTimeOffset CreatedAt
    );

    [Fact]
    public async Task RequestThenAdminApprove_ActivatesUser()
    {
        using var userClient = factory.CreateClient();
        var userName = $"dave_{Guid.NewGuid():N}"[..20];
        var (userId, userToken) = await RegisterAndLoginAsync(userClient, userName, "P@ssw0rd123");
        userClient.UseBearerToken(userToken);

        var requestResponse = await userClient.PostJsonAsync(
            "/api/activation/request",
            new { comment = "Please activate me" }
        );
        Assert.Equal(HttpStatusCode.OK, requestResponse.StatusCode);
        var request = await requestResponse.ReadAsAsync<ActivationRequestResponse>();
        Assert.NotNull(request);

        using var adminClient = factory.CreateClient();
        var adminToken = await LoginAsAdminAsync(adminClient);
        adminClient.UseBearerToken(adminToken);

        var approveResponse = await adminClient.PostAsync(
            $"/api/admin/activation-requests/{request!.Id}/approve",
            content: null
        );
        Assert.Equal(HttpStatusCode.NoContent, approveResponse.StatusCode);

        var meResponse = await userClient.GetAsync("/api/auth/me");
        var me = await meResponse.ReadAsAsync<CurrentUserResponse>();
        Assert.True(me!.IsActivated);
        Assert.Equal(userId, me.Id);
    }

    [Fact]
    public async Task RequestThenAdminReject_KeepsUserNotActivated()
    {
        using var userClient = factory.CreateClient();
        var userName = $"erin_{Guid.NewGuid():N}"[..20];
        var (_, userToken) = await RegisterAndLoginAsync(userClient, userName, "P@ssw0rd123");
        userClient.UseBearerToken(userToken);

        var requestResponse = await userClient.PostJsonAsync(
            "/api/activation/request",
            new { comment = "Erin, a friend of the admin" }
        );
        var request = await requestResponse.ReadAsAsync<ActivationRequestResponse>();

        using var adminClient = factory.CreateClient();
        var adminToken = await LoginAsAdminAsync(adminClient);
        adminClient.UseBearerToken(adminToken);

        var rejectResponse = await adminClient.PostJsonAsync(
            $"/api/admin/activation-requests/{request!.Id}/reject",
            new { reason = "not enough info" }
        );
        Assert.Equal(HttpStatusCode.NoContent, rejectResponse.StatusCode);

        var meResponse = await userClient.GetAsync("/api/auth/me");
        var me = await meResponse.ReadAsAsync<CurrentUserResponse>();
        Assert.False(me!.IsActivated);
    }

    [Fact]
    public async Task Request_WhenAlreadyPending_ReturnsConflict()
    {
        using var userClient = factory.CreateClient();
        var userName = $"frank_{Guid.NewGuid():N}"[..20];
        var (_, userToken) = await RegisterAndLoginAsync(userClient, userName, "P@ssw0rd123");
        userClient.UseBearerToken(userToken);

        var first = await userClient.PostJsonAsync(
            "/api/activation/request",
            new { comment = "Frank, a colleague of the admin" }
        );
        Assert.Equal(HttpStatusCode.OK, first.StatusCode);

        var second = await userClient.PostJsonAsync(
            "/api/activation/request",
            new { comment = "Frank, a colleague of the admin" }
        );
        Assert.Equal(HttpStatusCode.Conflict, second.StatusCode);
    }

    [Fact]
    public async Task Request_WhenCommentEmpty_ReturnsBadRequest()
    {
        using var userClient = factory.CreateClient();
        var userName = $"gina_{Guid.NewGuid():N}"[..20];
        var (_, userToken) = await RegisterAndLoginAsync(userClient, userName, "P@ssw0rd123");
        userClient.UseBearerToken(userToken);

        var response = await userClient.PostJsonAsync(
            "/api/activation/request",
            new { comment = (string?)null }
        );
        Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
    }
}