using Paca.Browser.Tabs;
using Xunit;

namespace Paca.Tests.App;

public class ChromeTabDiscardingMegaTests
{
    [Theory]
    [InlineData("메모리 절약")]
    [InlineData("절전 모드")]
    [InlineData("memory saver")]
    [InlineData("discard tabs")]
    public void Omnibox_Matches_DiscardTabs_Action(string query)
    {
        var actions = OmniboxActionEvaluator.GetMatchingActions(query);
        Assert.NotEmpty(actions);
        Assert.Contains(actions, a => a.ActionId == "action:discard-tabs");
    }

    [Fact]
    public void DiscardPolicy_ProtectsPinnedAndAudioTabs()
    {
        var mgr = new TabManager(() => new TabItem());
        var activeTab = mgr.NewTab("https://example.com/1");
        var audioTab = mgr.NewTab("https://youtube.com", activate: false);
        audioTab.IsAudioPlaying = true;
        var pinnedTab = mgr.NewTab("https://mail.google.com", activate: false);
        pinnedTab.IsPinned = true;
        var normalTab = mgr.NewTab("https://news.ycombinator.com", activate: false);

        Assert.False(mgr.CanDiscardTab(activeTab));
        Assert.False(mgr.CanDiscardTab(audioTab));
        Assert.False(mgr.CanDiscardTab(pinnedTab));
        Assert.True(mgr.CanDiscardTab(normalTab));
    }

    [Fact]
    public void TabManager_DiscardOtherTabs_DiscardsOnlyEligibleTabs()
    {
        var mgr = new TabManager(() => new TabItem());
        var tab1 = mgr.NewTab("https://tab1.com"); // active
        var tab2 = mgr.NewTab("https://tab2.com", activate: false);
        tab2.IsPinned = true;
        var tab3 = mgr.NewTab("https://tab3.com", activate: false);
        tab3.IsAudioPlaying = true;
        var tab4 = mgr.NewTab("https://tab4.com", activate: false);
        var tab5 = mgr.NewTab("https://tab5.com", activate: false);

        int discarded = mgr.DiscardOtherTabs();
        Assert.Equal(2, discarded);
        Assert.False(tab1.IsSuspended);
        Assert.False(tab2.IsSuspended);
        Assert.False(tab3.IsSuspended);
        Assert.True(tab4.IsSuspended);
        Assert.True(tab5.IsSuspended);

        // Activating a suspended tab automatically resumes it
        mgr.Activate(tab4);
        Assert.False(tab4.IsSuspended);
        Assert.True(tab4.IsActive);
    }
}