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

namespace HSchool.AppHost.Tests;

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

    [Fact]
    public async Task OwnerGenerate_MatchesCardOutcome_GuestIs403()
    {
        using var owner = await SchoolApiTests.CreateIsolatedClientAsync(fixture.App, "NoticeImageOwner");
        await SchoolApiTests.WipeAllSavesAsync(owner);
        var school = await SchoolApiTests.CreateAsync(owner, "Кнопка хозяина", Start);
        var personId = await FirstPersonIdAsync(owner, school.Id);
        var posted = await PostNoticeAsync(owner, school.Id, "GenerationFailed", personId, "full");

        using var card = await owner.PostAsync(
            $"/api/schools/{school.Id}/people/{Uri.EscapeDataString(personId)}/portrait?kind=full",
            content: null,
            TestContext.Current.CancellationToken);
        using var fromNotice = await owner.PostAsync(
            $"/api/schools/{school.Id}/notices/{posted.Id}/generate",
            content: null,
            TestContext.Current.CancellationToken);

        Assert.Equal(card.StatusCode, fromNotice.StatusCode);
        Assert.Equal(await SchoolApiTests.ProblemCodeAsync(card), await SchoolApiTests.ProblemCodeAsync(fromNotice));

        var paused = (await SchoolApiTests.GetSchoolsAsync(owner)).Schools.Single(item => item.Id == school.Id);
        Assert.False(paused.Running);

        using var guest = await SchoolApiTests.CreateIsolatedClientAsync(fixture.App, "NoticeImageGuest");
        using var forbidden = await guest.PostAsync(
            $"/api/schools/{school.Id}/notices/{posted.Id}/generate",
            content: null,
            TestContext.Current.CancellationToken);
        Assert.Equal(HttpStatusCode.Forbidden, forbidden.StatusCode);
        Assert.Equal("not-owner", await SchoolApiTests.ProblemCodeAsync(forbidden));

        var stillPaused = (await SchoolApiTests.GetSchoolsAsync(owner)).Schools.Single(item => item.Id == school.Id);
        Assert.False(stillPaused.Running);
    }

    [Fact]
    public async Task GenerateWithoutPerson_DoesNotCallSwarm()
    {
        using var client = fixture.App.CreateHttpClient("server");
        await SchoolApiTests.ResetAsync(client);
        var school = await SchoolApiTests.CreateAsync(client, "Без человека", Start);
        var posted = await PostNoticeAsync(client, school.Id, "GenerationFailed");

        using var response = await client.PostAsync(
            $"/api/schools/{school.Id}/notices/{posted.Id}/generate",
            content: null,
            TestContext.Current.CancellationToken);

        Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
        var code = await SchoolApiTests.ProblemCodeAsync(response);
        Assert.Equal("notice-cannot-generate", code);
        Assert.NotEqual("swarmui-not-configured", code);
    }

    [Fact]
    public async Task NoticePersonPrompt_ContainsThePersonNotAnEmptyCorridor()
    {
        using var client = fixture.App.CreateHttpClient("server");
        await SchoolApiTests.ResetAsync(client);
        var school = await SchoolApiTests.CreateAsync(client, "Сцена с человеком", Start);
        var personId = await FirstPersonIdAsync(client, school.Id);
        await PostNoticeAsync(client, school.Id, "GenerationFailed", personId, "full");

        using var response = await client.GetAsync(
            $"/api/schools/{school.Id}/people/{Uri.EscapeDataString(personId)}/portrait/prompt?kind=full",
            TestContext.Current.CancellationToken);
        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        var payload = await response.Content.ReadFromJsonAsync<PortraitPromptPayload>(TestContext.Current.CancellationToken);
        Assert.NotNull(payload);
        Assert.Contains("years old", payload!.Positive, StringComparison.OrdinalIgnoreCase);
        Assert.Contains("wearing", payload.Positive, StringComparison.OrdinalIgnoreCase);
        Assert.DoesNotMatch(@"\bage \d+", payload.Positive);
        Assert.DoesNotContain("empty corridor", payload.Positive, StringComparison.OrdinalIgnoreCase);
        Assert.False(string.IsNullOrWhiteSpace(payload.Negative));
    }

    private static async Task<string> FirstPersonIdAsync(HttpClient client, int schoolId)
    {
        var page = await client.GetFromJsonAsync<PeopleListResponse>(
            $"/api/schools/{schoolId}/people?pageSize=1",
            TestContext.Current.CancellationToken);
        Assert.NotNull(page);
        Assert.NotEmpty(page!.People);
        return page.People[0].Id;
    }

    private static async Task<DevNoticeResponse> PostNoticeAsync(
        HttpClient client,
        int schoolId,
        string defName,
        string? person = null,
        string? kind = null)
    {
        using var response = await client.PostAsJsonAsync(
            $"/api/dev/schools/{schoolId}/notices",
            new { defName, person, kind },
            TestContext.Current.CancellationToken);
        response.EnsureSuccessStatusCode();
        var body = await response.Content.ReadFromJsonAsync<DevNoticeResponse>(TestContext.Current.CancellationToken);
        Assert.NotNull(body);
        return body;
    }

    private sealed record PeopleListResponse(int Total, IReadOnlyList<PersonListItem> People);

    private sealed record PersonListItem(string Id);

    private sealed record DevNoticeResponse(uint Id, string DefName, bool Pause);

    private sealed record PortraitPromptPayload(string Kind, string Positive, string Negative);
}