using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using Paca.Browser.Search;
using Paca.Core.QuickActions;
using Xunit;

namespace Paca.Tests.App;

public class SpotlightRecentQueryAndScopeGateTests : IDisposable
{
    private readonly string _tempHistoryPath;

    public SpotlightRecentQueryAndScopeGateTests()
    {
        _tempHistoryPath = Path.Combine(Path.GetTempPath(), $"paca_query_history_test_{Guid.NewGuid():N}.json");
    }

    public void Dispose()
    {
        try { if (File.Exists(_tempHistoryPath)) File.Delete(_tempHistoryPath); } catch { }
    }

    [Fact]
    public void Gate228_QueryHistoryStore_Saves_Retrieves_And_Deduplicates_Queries()
    {
        var store = new QuickActionQueryHistoryStore(_tempHistoryPath);

        // 1. Initial should be empty
        Assert.Empty(store.GetQueries("search.kakaomap"));

        // 2. Add queries
        store.AddQuery("search.kakaomap", "판교 현대백화점");
        store.AddQuery("search.kakaomap", "강남역 맛집");
        store.AddQuery("search.google", "C# WPF tutorial");

        var kakaoQueries = store.GetQueries("search.kakaomap");
        Assert.Equal(2, kakaoQueries.Count);
        Assert.Equal("강남역 맛집", kakaoQueries[0]);
        Assert.Equal("판교 현대백화점", kakaoQueries[1]);

        // 3. Deduplication and bump to top
        store.AddQuery("search.kakaomap", "판교 현대백화점");
        kakaoQueries = store.GetQueries("search.kakaomap");
        Assert.Equal(2, kakaoQueries.Count);
        Assert.Equal("판교 현대백화점", kakaoQueries[0]);
        Assert.Equal("강남역 맛집", kakaoQueries[1]);

        // 4. Persistence reload test
        var reloaded = new QuickActionQueryHistoryStore(_tempHistoryPath);
        var reloadedKakao = reloaded.GetQueries("search.kakaomap");
        Assert.Equal(2, reloadedKakao.Count);
        Assert.Equal("판교 현대백화점", reloadedKakao[0]);
    }

    [Fact]
    public void Gate229_Catalog_Contains_Scoped_Navigation_Actions()
    {
        var catalog = new QuickActionCatalog();

        var tabScope = catalog.FindById("scope.tabs");
        Assert.NotNull(tabScope);
        Assert.Contains("@tabs", tabScope.Keywords);
        Assert.Contains("@탭", tabScope.Keywords);
        Assert.Equal(QuickActionCategory.Browser, tabScope.Category);

        var bmScope = catalog.FindById("scope.bookmarks");
        Assert.NotNull(bmScope);
        Assert.Contains("@bookmarks", bmScope.Keywords);
        Assert.Contains("@북마크", bmScope.Keywords);

        var histScope = catalog.FindById("scope.history");
        Assert.NotNull(histScope);
        Assert.Contains("@history", histScope.Keywords);
        Assert.Contains("@방문기록", histScope.Keywords);
    }

    [Fact]
    public void Gate230_LiveLauncher_PillMode_Shows_Recent_Query_History()
    {
        Exception? threadEx = null;
        var thread = new Thread(() =>
        {
            try
            {
                var store = new QuickActionQueryHistoryStore(_tempHistoryPath);
                store.AddQuery("search.kakao_map", "선릉역 라멘");

                var catalog = new QuickActionCatalog();
                var launcher = new Paca.App.QuickActionLauncherWindow(catalog, store);

                var kakaoAction = catalog.FindById("search.kakao_map");
                Assert.NotNull(kakaoAction);

                // Enter Pill Mode with empty query
                launcher.EnterPillMode(kakaoAction);

                // Results list should contain the recent query!
                Assert.NotEmpty(launcher.QuickActionResultsList.Items);
                var first = launcher.QuickActionResultsList.Items[0] as QuickActionSearchResult;
                Assert.NotNull(first);
                Assert.Equal("선릉역 라멘", first.Title);
                Assert.Equal("최근 검색", first.CategoryName);

                launcher.Close();
            }
            catch (Exception ex)
            {
                threadEx = ex;
            }
        });
        thread.SetApartmentState(ApartmentState.STA);
        thread.Start();
        bool finished = thread.Join(8000);
        Assert.True(finished, "STA thread must finish within timeout");
        if (threadEx != null)
        {
            throw new Exception($"STA Thread failed: {threadEx}");
        }
    }

    [Fact]
    public void Gate231_LiveLauncher_Scoped_Tabs_Filtering_And_Activation()
    {
        Exception? threadEx = null;
        var thread = new Thread(() =>
        {
            try
            {
                var store = new QuickActionQueryHistoryStore(_tempHistoryPath);
                var catalog = new QuickActionCatalog();
                var launcher = new Paca.App.QuickActionLauncherWindow(catalog, store);

                // Mock open tabs
                var mockTabs = new List<ScopedSearchItem>
                {
                    new ScopedSearchItem("네이버 지도", "https://map.naver.com", OmniboxSearchScope.Tabs, "tab-1"),
                    new ScopedSearchItem("GitHub - Paca", "https://github.com/torvalds/linux", OmniboxSearchScope.Tabs, "tab-2"),
                    new ScopedSearchItem("YouTube - 음악 재생", "https://youtube.com", OmniboxSearchScope.Tabs, "tab-3")
                };

                launcher.TabProvider = () => mockTabs;

                string? activatedTabId = null;
                launcher.ScopedItemOpener = item => activatedTabId = item.AdditionalInfo;

                var tabsAction = catalog.FindById("scope.tabs");
                Assert.NotNull(tabsAction);

                // Enter Pill Mode for @tabs
                launcher.EnterPillMode(tabsAction);

                // All open tabs should be listed initially
                Assert.Equal(3, launcher.QuickActionResultsList.Items.Count);

                // Filter by "GitHub"
                launcher.QuickActionSearchBox.Text = "GitHub";
                Assert.Single(launcher.QuickActionResultsList.Items);
                var matched = (QuickActionSearchResult)launcher.QuickActionResultsList.Items[0];
                Assert.Contains("GitHub", matched.Title);

                // Execute selected
                launcher.ExecuteSelectedAction();
                Assert.Equal("tab-2", activatedTabId);

                launcher.Close();
            }
            catch (Exception ex)
            {
                threadEx = ex;
            }
        });
        thread.SetApartmentState(ApartmentState.STA);
        thread.Start();
        bool finished = thread.Join(8000);
        Assert.True(finished, "STA thread must finish within timeout");
        if (threadEx != null) throw threadEx;
    }
}