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

namespace Paca.Tests.Core;

public class RemoteClipboardBridgeGateTests
{
    [Fact]
    public void Gate309_RemoteClipboardBridge_SanitizesAndBlocksDangerousSchemes()
    {
        // Allowed HTTP / HTTPS
        var validHttps = "https://www.youtube.com/watch?v=remote123";
        Assert.True(RemoteClipboardBridge.IsValidMediaUrl(validHttps, out var cleanUrl1));
        Assert.Equal(validHttps, cleanUrl1);

        // Block javascript: injection
        var dangerous1 = "javascript:alert(1)";
        Assert.False(RemoteClipboardBridge.IsValidMediaUrl(dangerous1, out _));

        // Block local file scheme
        var dangerous2 = "file:///C:/Windows/System32/calc.exe";
        Assert.False(RemoteClipboardBridge.IsValidMediaUrl(dangerous2, out _));
    }

    [Fact]
    public void Gate310_RemoteClipboardBridge_SerializesAndDeserializes_Correctly()
    {
        var payload = new RemoteClipboardPayload(
            Url: "https://instagram.com/reel/abc999",
            SourceDeviceName: "Galaxy S24",
            TargetDeviceName: "Paca Desktop",
            AutoStartDownload: true,
            SentAt: new DateTime(2026, 9, 4, 20, 30, 0, DateTimeKind.Utc)
        );

        var json = RemoteClipboardBridge.Serialize(payload);
        Assert.Contains("instagram.com", json);
        Assert.Contains("Galaxy S24", json);

        var restored = RemoteClipboardBridge.Deserialize(json);
        Assert.NotNull(restored);
        Assert.Equal(payload.Url, restored!.Url);
        Assert.Equal(payload.SourceDeviceName, restored.SourceDeviceName);
        Assert.True(restored.AutoStartDownload);
    }

    [Fact]
    public void Gate311_RemoteClipboardBridge_BuildsPushRequest_WithGatewayEndpoint()
    {
        var payload = new RemoteClipboardPayload(
            Url: "https://tiktok.com/@creator/video/111",
            SourceDeviceName: "iPhone 15",
            TargetDeviceName: "Office PC",
            AutoStartDownload: true,
            SentAt: DateTime.UtcNow
        );

        var targetGateway = "http://192.168.1.100:52100";
        var pairingToken = "PACA-SEC-998877";

        var (requestUri, bodyJson, authHeader) = RemoteClipboardBridge.BuildPushRequest(
            payload, targetGateway, pairingToken);

        Assert.Equal("http://192.168.1.100:52100/api/remote-clipboard", requestUri);
        Assert.Equal("Bearer PACA-SEC-998877", authHeader);
        Assert.Contains("tiktok.com", bodyJson);
    }

    [Fact]
    public void Gate312_RemoteClipboardBridge_HandlesIncomingPayload_AndDeterminesAutoDownload()
    {
        var payload = new RemoteClipboardPayload(
            Url: "https://www.youtube.com/watch?v=goodvideo",
            SourceDeviceName: "Mobile",
            TargetDeviceName: "Desktop",
            AutoStartDownload: true,
            SentAt: DateTime.UtcNow
        );

        var result = RemoteClipboardBridge.ProcessIncomingPayload(payload);

        Assert.True(result.Success);
        Assert.True(result.ShouldTriggerDownload);
        Assert.Equal("https://www.youtube.com/watch?v=goodvideo", result.MediaUrl);
        Assert.Equal("Mobile 기기에서 보낸 링크를 즉시 다운로드합니다.", result.UserStatusMessage);
    }
}