using System;
using Paca.Mobile.Core;
using Xunit;

namespace Paca.Tests.Mobile;

public class MobileShareTextExtractorGateTests
{
    [Fact]
    public void Gate253_MobileShareTextExtractor_ExtractsCleanUrl_FromMessyShareText()
    {
        var shared = "Watch \"Awesome Video\" on YouTube: https://youtu.be/dQw4w9WgXcQ?si=abcdef12345";
        var extracted = MobileShareTextExtractor.ExtractMediaUrl(shared);

        Assert.Equal("https://youtu.be/dQw4w9WgXcQ", extracted);
    }

    [Fact]
    public void Gate254_MobileShareTextExtractor_HandlesMultipleUrls_PicksFirstValidMediaUrl()
    {
        var shared = "Read info at https://google.com and watch https://tiktok.com/@user/video/9876543210";
        var extracted = MobileShareTextExtractor.ExtractMediaUrl(shared);

        Assert.Equal("https://tiktok.com/@user/video/9876543210", extracted);
    }

    [Fact]
    public void Gate255_MobileShareTextExtractor_ReturnsNull_WhenNoValidUrlPresent()
    {
        var shared = "Just plain message from a friend without any hyperlink";
        var extracted = MobileShareTextExtractor.ExtractMediaUrl(shared);

        Assert.Null(extracted);
    }

    [Fact]
    public void Gate256_MobileShareTextExtractor_StripsTrackingQueryParameters_PreservesVideoId()
    {
        var url = "https://www.youtube.com/watch?v=dQw4w9WgXcQ&utm_source=twitter&si=123&fbclid=xyz";
        var extracted = MobileShareTextExtractor.ExtractMediaUrl(url);

        Assert.Equal("https://www.youtube.com/watch?v=dQw4w9WgXcQ", extracted);
    }
}