using JobTrackerApi.Models;
using JobTrackerApi.Services;
using Xunit;

namespace JobTrackerApi.Tests;

public sealed class CvDocumentFontsTests
{
    [Fact]
    public void Embedded_fonts_use_static_outlines_for_the_CLI_renderer()
    {
        var assembly = typeof(ThemedCvRenderer).Assembly;
        var fonts = assembly.GetManifestResourceNames().Where(name => name.StartsWith("CvFonts.") && name.EndsWith(".ttf")).ToArray();
        Assert.NotEmpty(fonts);
        foreach (var name in fonts)
        {
            using var stream = assembly.GetManifestResourceStream(name)!;
            using var bytes = new MemoryStream();
            stream.CopyTo(bytes);
            var data = bytes.ToArray();
            var count = System.Buffers.Binary.BinaryPrimitives.ReadUInt16BigEndian(data.AsSpan(4, 2));
            var tables = Enumerable.Range(0, count).Select(i => System.Text.Encoding.ASCII.GetString(data, 12 + i * 16, 4));
            Assert.DoesNotContain("fvar", tables);
        }
    }

    [Theory]
    [InlineData("modern")]
    [InlineData("minimal")]
    [InlineData("executive")]
    [InlineData("technical")]
    [InlineData("creative")]
    [InlineData("code")]
    public void Document_is_self_contained_and_does_not_depend_on_installed_fonts(string themeId)
    {
        var profile = new StructuredCvProfile { Contact = { FullName = "Åse æøå" }, Summary = { "Retained career content." } };
        var settings = new CvVariantSettings { ThemeId = themeId };
        var model = CvVariantResolver.Build(profile, settings, "Fallback", null);
        var html = new ThemedCvRenderer().Render(model, CvThemeCatalog.Resolve(themeId), settings).Html;
        Assert.Contains("@font-face", html);
        Assert.Contains("data:font/ttf;base64,", html);
        Assert.DoesNotContain("src:local(", html);
        Assert.Contains("Retained career content.", html);
        Assert.Null(settings.BodyFont);
        Assert.Null(settings.HeadingFont);
        Assert.Equal("Åse æøå", profile.Contact.FullName);
    }
}