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

namespace Paca.Tests.Browser;

public class ChromeUserScriptManagerTests
{
    [Fact]
    public void UserScript_Parser_Extracts_Metadata()
    {
        var content = @"// ==UserScript==
// @name         Ad Skipper
// @match        *://*.youtube.com/*
// @run-at       document-end
// ==/UserScript==

console.log('Ad Skipper Initialized');";

        var script = UserScriptParser.Parse(content);
        Assert.NotNull(script);
        Assert.Equal("Ad Skipper", script.Name);
        Assert.Equal("*://*.youtube.com/*", script.MatchPattern);
        Assert.Equal("document-end", script.RunAt);
        Assert.Contains("console.log('Ad Skipper Initialized');", script.Code);
        Assert.True(script.IsEnabled);
    }

    [Theory]
    [InlineData("*://*.example.com/*", "https://sub.example.com/path", true)]
    [InlineData("*://*.example.com/*", "http://example.com/", true)]
    [InlineData("*://*.example.com/*", "https://other.com/path", false)]
    [InlineData("https://youtube.com/*", "https://youtube.com/watch?v=1", true)]
    [InlineData("https://youtube.com/*", "http://youtube.com/watch?v=1", false)]
    [InlineData("<all_urls>", "https://anything.org/test", true)]
    public void UserScript_Pattern_Matching_Works(string pattern, string url, bool expected)
    {
        var isMatch = UserScriptPatternMatcher.IsMatch(pattern, url);
        Assert.Equal(expected, isMatch);
    }

    [Fact]
    public void UserScriptManager_Registry_And_Filtering()
    {
        var mgr = new UserScriptManager();

        var script1 = new UserScript("id1", "YT Script", "*://*.youtube.com/*", "document-idle", "alert(1);", true);
        var script2 = new UserScript("id2", "YT Start Script", "*://*.youtube.com/*", "document-start", "alert(2);", true);
        var script3 = new UserScript("id3", "Disabled Script", "*://*.youtube.com/*", "document-idle", "alert(3);", false);
        var script4 = new UserScript("id4", "Other Site", "https://example.com/*", "document-idle", "alert(4);", true);

        mgr.Add(script1);
        mgr.Add(script2);
        mgr.Add(script3);
        mgr.Add(script4);

        var ytIdle = mgr.GetScriptsForUrl("https://www.youtube.com/watch?v=abc", "document-idle");
        Assert.Single(ytIdle);
        Assert.Equal("id1", ytIdle[0].Id);

        var ytStart = mgr.GetScriptsForUrl("https://www.youtube.com/watch?v=abc", "document-start");
        Assert.Single(ytStart);
        Assert.Equal("id2", ytStart[0].Id);

        // Toggle script 1 to disabled
        mgr.Toggle("id1", false);
        var ytIdleAfter = mgr.GetScriptsForUrl("https://www.youtube.com/watch?v=abc", "document-idle");
        Assert.Empty(ytIdleAfter);
    }

    [Fact]
    public void UserScriptManager_File_Persistence()
    {
        var tempFile = Path.Combine(Path.GetTempPath(), "paca_script_test_" + Guid.NewGuid().ToString("N") + ".json");
        try
        {
            var mgr1 = new UserScriptManager();
            mgr1.Add(new UserScript("s1", "Persistent Script", "*://*.naver.com/*", "document-idle", "console.log('hi');", true));
            mgr1.Save(tempFile);

            var mgr2 = new UserScriptManager();
            mgr2.Load(tempFile);

            Assert.Single(mgr2.Scripts);
            Assert.Equal("Persistent Script", mgr2.Scripts[0].Name);
            Assert.Equal("*://*.naver.com/*", mgr2.Scripts[0].MatchPattern);
        }
        finally
        {
            if (File.Exists(tempFile)) File.Delete(tempFile);
        }
    }

    [Fact]
    public void OmniboxActionEvaluator_Matches_Extensions()
    {
        var actionsKr = OmniboxActionEvaluator.GetMatchingActions("확장 프로그램");
        Assert.Contains(actionsKr, a => a.ActionId == "action:extensions");

        var actionsEn = OmniboxActionEvaluator.GetMatchingActions("userscripts");
        Assert.Contains(actionsEn, a => a.ActionId == "action:extensions");

        var action = OmniboxActionEvaluator.AllActions.FirstOrDefault(a => a.ActionId == "action:extensions");
        Assert.NotNull(action);
        Assert.Contains("확장 프로그램", action.DisplayTitle);
    }
}