using System.Linq;
using Paca.Browser.Tabs;
using Xunit;

namespace Paca.Tests.Browser;

public class ChromeTabGroupingMegaTests
{
    [Fact]
    public void Ungroup_Clears_GroupName_And_Color_Without_Closing_Tabs()
    {
        var mgr = new TabManager(() => new TabItem());
        var tab1 = mgr.NewTab("https://youtube.com/watch?v=1");
        var tab2 = mgr.NewTab("https://youtube.com/watch?v=2");
        var tab3 = mgr.NewTab("https://github.com/microsoft");

        mgr.SetGroup(tab1, "동영상", "#EA4335");
        mgr.SetGroup(tab2, "동영상", "#EA4335");

        Assert.Equal(3, mgr.Tabs.Count);
        Assert.Equal("동영상", tab1.GroupName);
        Assert.Equal("동영상", tab2.GroupName);

        int ungrouped = mgr.Ungroup("동영상");
        Assert.Equal(2, ungrouped);
        Assert.Equal(3, mgr.Tabs.Count);
        Assert.Null(tab1.GroupName);
        Assert.Null(tab1.GroupColor);
        Assert.Null(tab2.GroupName);
        Assert.Null(tab2.GroupColor);
    }

    [Fact]
    public void GetActiveGroups_Returns_Correct_Aggregations()
    {
        var mgr = new TabManager(() => new TabItem());
        var tab1 = mgr.NewTab("https://youtube.com/1");
        var tab2 = mgr.NewTab("https://youtube.com/2");
        var tab3 = mgr.NewTab("https://docs.google.com");

        mgr.SetGroup(tab1, "미디어", "#EA4335");
        mgr.SetGroup(tab2, "미디어", "#EA4335");
        mgr.SetGroup(tab3, "업무", "#4285F4");

        var groups = mgr.GetActiveGroups();
        Assert.Equal(2, groups.Count);

        var mediaGroup = groups.FirstOrDefault(g => g.Name == "미디어");
        Assert.NotNull(mediaGroup);
        Assert.Equal("#EA4335", mediaGroup.Color);
        Assert.Equal(2, mediaGroup.Count);

        var workGroup = groups.FirstOrDefault(g => g.Name == "업무");
        Assert.NotNull(workGroup);
        Assert.Equal("#4285F4", workGroup.Color);
        Assert.Equal(1, workGroup.Count);
    }

    [Fact]
    public void AutoGroupByDomain_Groups_Matching_Domains_Contiguously()
    {
        var mgr = new TabManager(() => new TabItem());
        var tabY1 = mgr.NewTab("https://www.youtube.com/watch?v=a");
        var tabG1 = mgr.NewTab("https://github.com/owner/repo");
        var tabY2 = mgr.NewTab("https://youtube.com/feed");
        var tabG2 = mgr.NewTab("https://github.com/issues");
        var tabUnique = mgr.NewTab("https://example.com/info");

        int groupsCreated = mgr.AutoGroupByDomain(minTabsPerGroup: 2);
        Assert.Equal(2, groupsCreated);

        Assert.Equal("youtube.com", tabY1.GroupName);
        Assert.Equal("youtube.com", tabY2.GroupName);
        Assert.Equal("github.com", tabG1.GroupName);
        Assert.Equal("github.com", tabG2.GroupName);
        Assert.Null(tabUnique.GroupName);

        // Grouped tabs should have assigned colors
        Assert.NotNull(tabY1.GroupColor);
        Assert.NotNull(tabG1.GroupColor);
    }

    [Theory]
    [InlineData("탭 그룹")]
    [InlineData("탭 묶기")]
    [InlineData("group tabs")]
    [InlineData("auto group")]
    public void Omnibox_Matches_GroupTabs_Action(string query)
    {
        var actions = OmniboxActionEvaluator.GetMatchingActions(query);
        Assert.NotEmpty(actions);
        Assert.Contains(actions, a => a.ActionId == "action:group-tabs");
    }
}