using System;
using System.IO;
using System.Linq;
using System.Windows.Controls;
using System.Windows.Input;
using Paca.App;
using Paca.Browser;
using Paca.Browser.Tabs;
using Paca.Tests.Infrastructure;
using Xunit;

namespace Paca.Tests.Browser;

public class ChromeParityMilestone5Tests
{
    private readonly SearchEngineResolver _resolver = new("Google");

    [Theory]
    [InlineData("? localhost:3000", "localhost:3000")]
    [InlineData("? https://google.com", "https://google.com")]
    [InlineData("? example.org", "example.org")]
    [InlineData("? 192.168.1.1", "192.168.1.1")]
    public void SearchEngineResolver_물음표_접두사는_URL_여부와_무관하게_강제_검색으로_처리한다(string input, string expectedQuery)
    {
        var intent = _resolver.Resolve(input);
        Assert.NotNull(intent);
        Assert.False(intent.IsUrl);
        Assert.Equal("Google", intent.EngineName);
        Assert.Contains(Uri.EscapeDataString(expectedQuery).Replace("%20", "+"), intent.Target);
    }

    [Theory]
    [InlineData("google flutter", "Google", "google.com/search")]
    [InlineData("naver 날씨", "Naver", "search.naver.com")]
    [InlineData("bing openai", "Bing", "bing.com/search")]
    [InlineData("ddg privacy", "DuckDuckGo", "duckduckgo.com")]
    [InlineData("youtube music", "YouTube", "youtube.com/results")]
    [InlineData("gh dotnet", "GitHub", "github.com/search")]
    [InlineData("github wpf", "GitHub", "github.com/search")]
    [InlineData("w quantum", "Wikipedia", "wikipedia.org")]
    [InlineData("wikipedia cosmos", "Wikipedia", "wikipedia.org")]
    public void SearchEngineResolver_확장_키워드_및_별칭으로_검색엔진을_전환한다(string input, string expectedEngine, string expectedHost)
    {
        var intent = _resolver.Resolve(input);
        Assert.NotNull(intent);
        Assert.False(intent.IsUrl);
        Assert.Equal(expectedEngine, intent.EngineName);
        Assert.Contains(expectedHost, intent.Target);
    }

    [Fact]
    public void SearchEngineResolver_view_source_스킴은_URL로_인식한다()
    {
        var intent = _resolver.Resolve("view-source:https://example.com/test");
        Assert.NotNull(intent);
        Assert.True(intent.IsUrl);
        Assert.Equal("view-source:https://example.com/test", intent.Target);
    }

    [Fact]
    public void TabManager_특정_닫은_탭을_선택하여_복원하거나_일괄_복원할_수_있다()
    {
        var mgr = new TabManager(() => new TabItem());
        mgr.Tabs.Clear();

        var t1 = mgr.NewTab("https://site1.com");
        t1.Title = "사이트 1";
        var t2 = mgr.NewTab("https://site2.com");
        t2.Title = "사이트 2";
        var t3 = mgr.NewTab("https://site3.com");
        t3.Title = "사이트 3";

        // t1, t2 닫기
        mgr.CloseTab(t1);
        mgr.CloseTab(t2);

        var closed = mgr.ClosedTabs;
        Assert.Equal(2, closed.Count);
        Assert.Contains(closed, t => t.Title == "사이트 1");
        Assert.Contains(closed, t => t.Title == "사이트 2");

        // t1만 선택 복원
        var restored = mgr.RestoreClosedTab(t1);
        Assert.NotNull(restored);
        Assert.Equal("사이트 1", restored.Title);
        Assert.Single(mgr.ClosedTabs);
        Assert.Equal("사이트 2", mgr.ClosedTabs[0].Title);

        // 남은 모든 탭 일괄 복원
        int restoredAllCount = mgr.RestoreAllClosedTabs();
        Assert.Equal(1, restoredAllCount);
        Assert.Empty(mgr.ClosedTabs);
    }

    [Fact]
    public void BuildTabStripContextMenu_닫은탭이_있을때_최근에_닫은_탭_하위_항목을_표시한다()
    {
        using var sta = StaDispatcher.Start();
        WpfTestApp.Ensure(sta.Dispatcher);
        sta.Invoke(() =>
        {
            var dataDir = Path.Combine(Path.GetTempPath(), $"vd_tabstrip_recent_{Guid.NewGuid():N}");
            Environment.SetEnvironmentVariable("VD_DATA_DIR", dataDir);
            try
            {
                var win = new MainWindow();
                win.TabsManager.Tabs.Clear();

                var t1 = win.TabsManager.NewTab("https://site1.com");
                t1.Title = "닫을 사이트 1";
                var t2 = win.TabsManager.NewTab("https://site2.com");
                t2.Title = "유지 사이트 2";

                win.TabsManager.CloseTab(t1);

                var menu = win.BuildTabStripContextMenu();
                var items = menu.Items.OfType<MenuItem>().ToList();
                var reopenItem = items.FirstOrDefault(m => m.Header?.ToString() == "닫은 탭 다시 열기");
                Assert.NotNull(reopenItem);
                Assert.True(reopenItem.IsEnabled);

                // 최근 닫은 탭 서브메뉴 확인
                var recentSubmenu = items.FirstOrDefault(m => m.Header?.ToString()?.Contains("최근에 닫은 탭") == true);
                Assert.NotNull(recentSubmenu);
                Assert.True(recentSubmenu.Items.Count > 0);
            }
            finally
            {
                try { if (Directory.Exists(dataDir)) Directory.Delete(dataDir, true); } catch { }
            }
        });
    }
}