using System.Net;
using System.Net.Http.Json;
using System.Text.Json;

namespace HSchool.AppHost.Tests;

[Collection(AppHostCollection.Name)]
public class GradebookApiTests(AppHostFixture fixture)
{
    private static readonly DateTime Start = new(2012, 4, 3, 6, 0, 0, DateTimeKind.Utc);

    [Fact]
    public async Task PostAttendanceAndMarks_AreNotAccepted()
    {
        using var client = fixture.App.CreateHttpClient("server");
        await SchoolApiTests.ResetAsync(client);
        var school = await SchoolApiTests.CreateAsync(client, "Журнал API", Start, seed: 75);
        var page = await client.GetFromJsonAsync<PeoplePage>(
            $"/api/schools/{school.Id}/people?role=student&pageSize=1",
            TestContext.Current.CancellationToken);
        Assert.NotNull(page);
        Assert.NotEmpty(page.People);
        var personId = page.People[0].Id;

        using var markPost = await client.PostAsJsonAsync(
            $"/api/schools/{school.Id}/people/{personId}/marks",
            new { subject = "Mathematics", value = 5, period = 1 },
            TestContext.Current.CancellationToken);
        Assert.Equal(HttpStatusCode.NotFound, markPost.StatusCode);

        using var markPut = await client.PutAsJsonAsync(
            $"/api/schools/{school.Id}/people/{personId}/marks",
            new { subject = "Mathematics", value = 5, period = 1 },
            TestContext.Current.CancellationToken);
        Assert.Equal(HttpStatusCode.NotFound, markPut.StatusCode);

        using var attendancePost = await client.PostAsJsonAsync(
            $"/api/schools/{school.Id}/people/{personId}/attendance",
            new { subject = "Mathematics", status = "absent", period = 1 },
            TestContext.Current.CancellationToken);
        Assert.Equal(HttpStatusCode.NotFound, attendancePost.StatusCode);

        using var attendancePut = await client.PutAsJsonAsync(
            $"/api/schools/{school.Id}/people/{personId}/attendance",
            new { subject = "Mathematics", status = "present", period = 1 },
            TestContext.Current.CancellationToken);
        Assert.Equal(HttpStatusCode.NotFound, attendancePut.StatusCode);

        using var summonPost = await client.PostAsJsonAsync(
            $"/api/schools/{school.Id}/people/{personId}/summon",
            new { reason = "mark", value = 2 },
            TestContext.Current.CancellationToken);
        Assert.Equal(HttpStatusCode.NotFound, summonPost.StatusCode);

        using var summonForMark = await client.PostAsJsonAsync(
            $"/api/schools/{school.Id}/people/{personId}/summon-for-mark",
            new { value = 2 },
            TestContext.Current.CancellationToken);
        Assert.Equal(HttpStatusCode.NotFound, summonForMark.StatusCode);
    }

    [Fact]
    public async Task PeopleList_DoesNotIncludeGradebookFields()
    {
        using var client = fixture.App.CreateHttpClient("server");
        await SchoolApiTests.ResetAsync(client);
        var school = await SchoolApiTests.CreateAsync(client, "Список без журнала", Start, seed: 75);

        using var response = await client.GetAsync(
            $"/api/schools/{school.Id}/people?role=student&pageSize=1&lang=ru",
            TestContext.Current.CancellationToken);
        response.EnsureSuccessStatusCode();
        await using var stream = await response.Content.ReadAsStreamAsync(TestContext.Current.CancellationToken);
        using var doc = await JsonDocument.ParseAsync(stream, cancellationToken: TestContext.Current.CancellationToken);
        var person = doc.RootElement.GetProperty("people")[0];
        Assert.False(person.TryGetProperty("lessonMarks", out _));
        Assert.False(person.TryGetProperty("attendance", out _));
        Assert.False(person.TryGetProperty("averageMark", out _));
    }

    [Fact]
    public async Task PersonCard_IncludesEmptyGradebookArrays()
    {
        using var client = fixture.App.CreateHttpClient("server");
        await SchoolApiTests.ResetAsync(client);
        var school = await SchoolApiTests.CreateAsync(client, "Карточка журнал", Start, seed: 75);
        var page = await client.GetFromJsonAsync<PeoplePage>(
            $"/api/schools/{school.Id}/people?role=student&pageSize=1",
            TestContext.Current.CancellationToken);
        Assert.NotNull(page);
        var personId = page.People[0].Id;

        var card = await client.GetFromJsonAsync<PersonCardDto>(
            $"/api/schools/{school.Id}/people/{Uri.EscapeDataString(personId)}?lang=ru",
            TestContext.Current.CancellationToken);
        Assert.NotNull(card);
        Assert.NotNull(card!.LessonMarks);
        Assert.NotNull(card.Attendance);
        Assert.Empty(card.LessonMarks);
        Assert.Empty(card.Attendance);
    }

    [Fact]
    public async Task Guest_CanReadPersonCardGradebook_ButNotWrite()
    {
        using var owner = fixture.App.CreateHttpClient("server");
        await SchoolApiTests.ResetAsync(owner);
        var school = await SchoolApiTests.CreateAsync(owner, "Гость журнал", Start, seed: 75);
        var page = await owner.GetFromJsonAsync<PeoplePage>(
            $"/api/schools/{school.Id}/people?role=student&pageSize=1",
            TestContext.Current.CancellationToken);
        Assert.NotNull(page);
        var personId = page.People[0].Id;

        using var guest = await SchoolApiTests.CreateIsolatedClientAsync(fixture.App, "GradebookGuest");
        var card = await guest.GetFromJsonAsync<PersonCardDto>(
            $"/api/schools/{school.Id}/people/{Uri.EscapeDataString(personId)}?lang=ru",
            TestContext.Current.CancellationToken);
        Assert.NotNull(card);
        Assert.NotNull(card!.LessonMarks);
        Assert.NotNull(card.Attendance);

        using var write = await guest.PostAsJsonAsync(
            $"/api/schools/{school.Id}/people/{personId}/marks",
            new { subject = "Mathematics", value = 5, period = 1 },
            TestContext.Current.CancellationToken);
        Assert.Equal(HttpStatusCode.NotFound, write.StatusCode);
    }

    private sealed record PeoplePage(IReadOnlyList<PersonRow> People);

    private sealed record PersonRow(string Id);

    private sealed record PersonCardDto(
        string Id,
        IReadOnlyList<object> LessonMarks,
        IReadOnlyList<object> Attendance);
}