using System;
using System.IO;
using System.Linq;
using Paca.Browser.Pwa;
using Xunit;

namespace Paca.Tests.Browser;

public class ChromePwaInstallationManagerTests
{
    [Fact]
    public void InstallApp_And_Scope_Matching_Work()
    {
        var tempFile = Path.Combine(Path.GetTempPath(), "paca_pwa_test_" + Guid.NewGuid().ToString("N") + ".json");
        try
        {
            var mgr = new WebAppInstallationManager(tempFile);

            var manifest = new WebAppManifest(
                Name: "Slack Web",
                ShortName: "Slack",
                StartUrl: "https://app.slack.com/client/T123/C456",
                Display: "standalone",
                ThemeColor: "#4A154B",
                BackgroundColor: "#1A1D21",
                Icons: new[] { new WebAppManifestIcon("https://app.slack.com/icon.png", "192x192", "image/png") }
            );

            var installed = mgr.InstallApp(manifest, scope: "https://app.slack.com/client/");
            Assert.NotNull(installed);
            Assert.Equal("Slack Web", installed.Name);
            Assert.True(mgr.IsAppInstalled(manifest.StartUrl));

            // Matching by URL scope
            var match1 = mgr.GetAppForUrl("https://app.slack.com/client/T123/C999");
            Assert.NotNull(match1);
            Assert.Equal(installed.Id, match1.Id);

            // Outside scope
            var match2 = mgr.GetAppForUrl("https://app.slack.com/help");
            Assert.Null(match2);

            // Uninstall
            Assert.True(mgr.UninstallApp(installed.Id));
            Assert.False(mgr.IsAppInstalled(manifest.StartUrl));
        }
        finally
        {
            if (File.Exists(tempFile)) File.Delete(tempFile);
        }
    }

    [Fact]
    public void InstallationManager_Persistence_Works()
    {
        var tempFile = Path.Combine(Path.GetTempPath(), "paca_pwa_persist_" + Guid.NewGuid().ToString("N") + ".json");
        try
        {
            var mgr1 = new WebAppInstallationManager(tempFile);
            var manifest = new WebAppManifest(
                Name: "Spotify Player",
                ShortName: "Spotify",
                StartUrl: "https://open.spotify.com/",
                Display: "standalone",
                ThemeColor: "#1DB954",
                BackgroundColor: "#121212",
                Icons: new[] { new WebAppManifestIcon("https://open.spotify.com/icon.png", "512x512", "image/png") }
            );

            mgr1.InstallApp(manifest);

            var mgr2 = new WebAppInstallationManager(tempFile);
            Assert.Single(mgr2.InstalledApps);
            Assert.Equal("Spotify Player", mgr2.InstalledApps[0].Name);
            Assert.Equal("standalone", mgr2.InstalledApps[0].DisplayMode);
        }
        finally
        {
            if (File.Exists(tempFile)) File.Delete(tempFile);
        }
    }

    [Fact]
    public void GenerateShortcutContent_Produces_Valid_Url_File()
    {
        var app = new InstalledWebApp(
            Id: "app_spotify_123",
            Name: "Spotify Web",
            StartUrl: "https://open.spotify.com/",
            Scope: "https://open.spotify.com/",
            IconUrl: "https://open.spotify.com/icon.png",
            InstalledAt: DateTime.UtcNow,
            DisplayMode: "standalone",
            ThemeColor: "#1DB954"
        );

        var content = WebAppInstallationManager.GenerateInternetShortcutContent(app);
        Assert.Contains("[InternetShortcut]", content);
        Assert.Contains("URL=https://open.spotify.com/", content);
        Assert.Contains("IconFile=https://open.spotify.com/icon.png", content);
    }
}