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

namespace Paca.Tests.Mobile;

public sealed class MobileMenuContractGateTests
{
    [Fact]
    public void MenuCoordinator_DomainContext_NormalizesHttpAndHttpsUrls()
    {
        // Assert domain extraction and security scheme
        var domain1 = MobileMenuCoordinator.FormatDomainContext("https://www.youtube.com/watch?v=12345");
        Assert.Equal("youtube.com", domain1);
        Assert.True(MobileMenuCoordinator.IsSecureScheme("https://www.youtube.com/watch?v=12345"));

        var domain2 = MobileMenuCoordinator.FormatDomainContext("paca://newtab");
        Assert.Equal("PACA 새 탭", domain2);
        Assert.False(MobileMenuCoordinator.IsSecureScheme("paca://newtab"));
    }

    [Fact]
    public void MenuCoordinator_QuickControls_EnforcesFourPillarsAndActiveStates()
    {
        var context = new MobileMenuContext(
            CurrentUrl: "https://example.com/article",
            CurrentTitle: "Sample Article",
            IsDesktopMode: true,
            ThemeMode: MobileThemeMode.Dark,
            IsBookmarked: true,
            SniffedVideoCount: 3,
            IsP2pConnected: true
        );

        var items = MobileMenuCoordinator.BuildMenuItems(context);
        var quickItems = items.Where(i => i.Category == MobileMenuCategory.QuickControls).ToList();

        // Miller's / Hick-Hyman Law: Exact 4 quick controls
        Assert.Equal(4, quickItems.Count);
        Assert.Contains(quickItems, i => i.ActionId == MobileMenuActionId.ToggleDesktopMode && i.IsActive);
        Assert.Contains(quickItems, i => i.ActionId == MobileMenuActionId.ToggleThemeMode);
        Assert.Contains(quickItems, i => i.ActionId == MobileMenuActionId.OpenInPrivateTab);
        Assert.Contains(quickItems, i => i.ActionId == MobileMenuActionId.ShareAndCopyLink);
    }

    [Fact]
    public void MenuCoordinator_BrowsingAndMedia_ContainsCoreActionsWithDynamicStatus()
    {
        var context = new MobileMenuContext(
            CurrentUrl: "https://example.com/video",
            CurrentTitle: "Sample Video",
            IsDesktopMode: false,
            ThemeMode: MobileThemeMode.Light,
            IsBookmarked: true,
            SniffedVideoCount: 2,
            IsP2pConnected: false
        );

        var items = MobileMenuCoordinator.BuildMenuItems(context);
        var browsingItems = items.Where(i => i.Category == MobileMenuCategory.BrowsingAndMedia).ToList();

        Assert.Equal(4, browsingItems.Count);

        var bookmarkItem = browsingItems.First(i => i.ActionId == MobileMenuActionId.ToggleBookmark);
        Assert.True(bookmarkItem.IsActive);
        Assert.Equal("북마크 해제", bookmarkItem.Title);

        var p2pItem = browsingItems.First(i => i.ActionId == MobileMenuActionId.SendTabToDesktopP2P);
        Assert.False(p2pItem.IsActive);
        Assert.Contains("오프라인", p2pItem.Subtitle);
    }

    [Fact]
    public void MenuCoordinator_IntelligenceAndSettings_ShowsSniffedBadgeAndSync()
    {
        var context = new MobileMenuContext(
            CurrentUrl: "https://example.com/stream",
            CurrentTitle: "Stream Page",
            IsDesktopMode: false,
            ThemeMode: MobileThemeMode.Dark,
            IsBookmarked: false,
            SniffedVideoCount: 5,
            IsP2pConnected: true
        );

        var items = MobileMenuCoordinator.BuildMenuItems(context);
        var intelItems = items.Where(i => i.Category == MobileMenuCategory.IntelligenceAndSettings).ToList();

        var snifferItem = intelItems.FirstOrDefault(i => i.ActionId == MobileMenuActionId.OpenVideoSnifferList);
        Assert.NotNull(snifferItem);
        Assert.Equal("5", snifferItem.BadgeText);

        var syncItem = intelItems.FirstOrDefault(i => i.ActionId == MobileMenuActionId.OpenSyncSettings);
        Assert.NotNull(syncItem);
        Assert.Contains("연결됨", syncItem.Subtitle);
    }

    [Fact]
    public void MenuCoordinator_AllItems_HaveNonEmptyAutomationNamesForAccessibility()
    {
        var context = new MobileMenuContext(
            CurrentUrl: "https://example.com",
            CurrentTitle: "Example",
            IsDesktopMode: false,
            ThemeMode: MobileThemeMode.Dark,
            IsBookmarked: false,
            SniffedVideoCount: 0,
            IsP2pConnected: true
        );

        var items = MobileMenuCoordinator.BuildMenuItems(context);
        foreach (var item in items)
        {
            Assert.False(string.IsNullOrWhiteSpace(item.AutomationName), $"Item {item.ActionId} must have an AutomationName");
            Assert.False(string.IsNullOrWhiteSpace(item.IconGlyph), $"Item {item.ActionId} must have an IconGlyph");
        }
    }
}