using System.Diagnostics;
using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text;
using System.Text.Json;
using Tornado3_2026Election.Domain;
using Tornado3_2026Election.Services;

internal static class LiveCutValidation
{
    public static async Task<int> RunAsync(string[] args)
    {
        var options = LiveCutValidationOptions.Parse(args);
        Directory.CreateDirectory(options.OutputPath);

        Console.WriteLine("Karisma live-cut validation starting.");
        Console.WriteLine($"- Image Root: {options.ImageRootPath}");
        Console.WriteLine($"- Output: {options.OutputPath}");
        Console.WriteLine($"- Include VideoWall: {(options.IncludeVideoWall ? "yes" : "no")}");

        var logService = new LogService();
        if (!KarismaTornado3Adapter.TryCreate(logService, () => options.ImageRootPath, out var adapter) || !adapter.IsLiveCg)
        {
            Console.WriteLine("Karisma adapter is not available. Validation cannot continue.");
            return 1;
        }

        var station = new BroadcastStationProfile
        {
            Id = "TJB",
            Name = "TJB",
            LogoAssetPath = options.StationLogoPath,
            RegionFilters = ["대전", "세종", "충남"]
        };

        var cutItems = new FormatCatalogService().GetAll()
            .Where(template => options.IncludeVideoWall || template.RecommendedChannel != BroadcastChannel.VideoWall)
            .Where(template => string.IsNullOrWhiteSpace(options.Filter) ||
                               template.Id.Contains(options.Filter, StringComparison.OrdinalIgnoreCase) ||
                               template.Name.Contains(options.Filter, StringComparison.OrdinalIgnoreCase))
            .SelectMany(template => template.Cuts.Select(cut => new LiveCutWorkItem(template, cut)))
            .ToList();

        if (options.Limit is int limit && limit > 0)
        {
            cutItems = cutItems.Take(limit).ToList();
        }

        Console.WriteLine($"- Cuts: {cutItems.Count}");
        Console.WriteLine();

        var pgmWindow = TryFindPgmWindow();
        var results = new List<LiveCutValidationResult>();

        try
        {
            await adapter.EnsureConnectedAsync(CancellationToken.None).ConfigureAwait(false);

            for (var index = 0; index < cutItems.Count; index++)
            {
                var item = cutItems[index];
                var preElection = ShouldUsePreElectionSnapshot(item.Template.Name);
                var result = new LiveCutValidationResult
                {
                    Index = index + 1,
                    TemplateId = item.Template.Id,
                    TemplateName = item.Template.Name,
                    CutName = item.Cut.Name,
                    Channel = item.Template.RecommendedChannel.ToString(),
                    Phase = preElection ? BroadcastPhase.PreElection.ToString() : BroadcastPhase.Counting.ToString(),
                    OutputVisibleInPgm = pgmWindow is not null &&
                                         item.Template.RecommendedChannel != BroadcastChannel.VideoWall
                };

                Console.WriteLine($"[{index + 1}/{cutItems.Count}] {item.Template.Id}");

                try
                {
                    await OutAllAsync(adapter).ConfigureAwait(false);
                    await Task.Delay(options.BetweenDelayMs).ConfigureAwait(false);

                    var snapshotA = CreateSnapshot(item.Template.Name, index, variant: 0, preElection);
                    var snapshotB = CreateSnapshot(item.Template.Name, index, variant: 1, preElection);

                    await adapter.ApplyCutAsync(item.Template.RecommendedChannel, item.Template, item.Cut, snapshotA, station, options.ImageRootPath, CancellationToken.None).ConfigureAwait(false);
                    await adapter.PrepareAsync(item.Template.RecommendedChannel, CancellationToken.None).ConfigureAwait(false);
                    await adapter.TakeAsync(item.Template.RecommendedChannel, CancellationToken.None).ConfigureAwait(false);
                    await Task.Delay(options.OnAirDelayMs).ConfigureAwait(false);

                    result.CaptureAPath = Path.Combine(options.OutputPath, $"{index + 1:000}_{SanitizeFileName(item.Template.Name)}_A.png");
                    result.HashA = CapturePgm(pgmWindow, result.CaptureAPath, !result.OutputVisibleInPgm);

                    await adapter.ApplyCutAsync(item.Template.RecommendedChannel, item.Template, item.Cut, snapshotB, station, options.ImageRootPath, CancellationToken.None).ConfigureAwait(false);
                    await adapter.PrepareAsync(item.Template.RecommendedChannel, CancellationToken.None).ConfigureAwait(false);
                    await adapter.TakeAsync(item.Template.RecommendedChannel, CancellationToken.None).ConfigureAwait(false);
                    await Task.Delay(options.OnAirDelayMs).ConfigureAwait(false);

                    result.CaptureBPath = Path.Combine(options.OutputPath, $"{index + 1:000}_{SanitizeFileName(item.Template.Name)}_B.png");
                    result.HashB = CapturePgm(pgmWindow, result.CaptureBPath, !result.OutputVisibleInPgm);
                    result.VisualChanged = !string.Equals(result.HashA, result.HashB, StringComparison.OrdinalIgnoreCase);
                    result.Success = true;
                    result.Detail = result.OutputVisibleInPgm
                        ? (result.VisualChanged ? "A/B capture changed" : "A/B capture hash identical")
                        : "VideoWall output is not visible in the current PGM window";
                }
                catch (Exception exception)
                {
                    result.Success = false;
                    result.Detail = exception.Message;
                }
                finally
                {
                    try
                    {
                        await adapter.OutAsync(item.Template.RecommendedChannel, CancellationToken.None).ConfigureAwait(false);
                    }
                    catch
                    {
                    }

                    await Task.Delay(options.BetweenDelayMs).ConfigureAwait(false);
                    results.Add(result);
                }
            }
        }
        finally
        {
            try
            {
                await OutAllAsync(adapter).ConfigureAwait(false);
            }
            catch
            {
            }

            if (adapter is IDisposable disposable)
            {
                disposable.Dispose();
            }
        }

        WriteReports(options, results);

        var successCount = results.Count(result => result.Success);
        var changedCount = results.Count(result => result.Success && result.VisualChanged);
        var unchangedCount = results.Count(result => result.Success && result.OutputVisibleInPgm && !result.VisualChanged);
        var failureCount = results.Count(result => !result.Success);

        Console.WriteLine();
        Console.WriteLine("Summary");
        Console.WriteLine($"- Success: {successCount}/{results.Count}");
        Console.WriteLine($"- Visual Changed: {changedCount}");
        Console.WriteLine($"- Unchanged Captures: {unchangedCount}");
        Console.WriteLine($"- Failures: {failureCount}");
        Console.WriteLine($"- Report: {Path.Combine(options.OutputPath, "summary.md")}");

        return failureCount == 0 ? 0 : 1;
    }

    private static async Task OutAllAsync(ITornado3Adapter adapter)
    {
        foreach (var channel in new[]
                 {
                     BroadcastChannel.Normal,
                     BroadcastChannel.TopLeft,
                     BroadcastChannel.Bottom,
                     BroadcastChannel.VideoWall
                 })
        {
            try
            {
                await adapter.OutAsync(channel, CancellationToken.None).ConfigureAwait(false);
            }
            catch
            {
            }
        }
    }

    private static bool ShouldUsePreElectionSnapshot(string templateName)
    {
        return templateName.Contains("투표율", StringComparison.Ordinal) ||
               templateName.StartsWith("사전_", StringComparison.Ordinal);
    }

    private static ElectionDataSnapshot CreateSnapshot(string templateName, int index, int variant, bool preElection)
    {
        var metadata = BuildScenarioMetadata(templateName, index, variant);
        return new ElectionDataSnapshot
        {
            BroadcastPhase = preElection ? BroadcastPhase.PreElection : BroadcastPhase.Counting,
            ElectionType = metadata.ElectionType,
            DistrictName = metadata.DistrictName,
            DistrictCode = metadata.DistrictCode,
            RegionName = metadata.RegionName,
            ElectionDistrictName = metadata.ElectionDistrictName,
            Candidates = preElection ? Array.Empty<CandidateEntry>() : CreateCandidates(templateName, metadata, variant),
            TotalExpectedVotes = metadata.TotalExpectedVotes,
            TurnoutVotes = metadata.TurnoutVotes,
            CountedVotesFromApi = metadata.CountedVotes,
            RemainingVotesFromApi = Math.Max(0, metadata.TurnoutVotes - metadata.CountedVotes),
            CountedRateFromApi = metadata.CountedRate,
            ReceivedAt = metadata.ReceivedAt,
            HistoricalTurnoutHistory = CreateHistoricalTurnout(metadata, variant),
            HistoricalWinnerHistory = CreateHistoricalWinners(variant),
            TurnoutBoardSlots = CreateTurnoutBoardSlots(metadata, variant),
            NationalTurnoutRateOverride = metadata.NationalTurnoutRate
        };
    }

    private static IReadOnlyList<CandidateEntry> CreateCandidates(string templateName, ScenarioMetadata metadata, int variant)
    {
        var candidateNames = ResolveCandidateNames(templateName);
        var parties = ResolveParties(candidateNames.Length);
        var shares = ResolveVoteShares(templateName, candidateNames.Length, variant);
        var automaticJudgement = ResolveAutomaticJudgement(templateName);

        var candidates = new List<CandidateEntry>(candidateNames.Length);
        for (var index = 0; index < candidateNames.Length; index++)
        {
            candidates.Add(new CandidateEntry
            {
                CandidateCode = (index + 1).ToString(),
                Name = candidateNames[index],
                Party = parties[index],
                ColorParty = parties[index],
                VoteRate = shares[index],
                VoteCount = (int)Math.Round(metadata.CountedVotes * shares[index] / 100d, MidpointRounding.AwayFromZero),
                HasImage = true,
                ManualJudgement = CandidateJudgement.None,
                AutomaticJudgement = index == 0 ? automaticJudgement : CandidateJudgement.None
            });
        }

        return candidates;
    }

    private static IReadOnlyList<PreElectionHistoricalTurnoutEntry> CreateHistoricalTurnout(ScenarioMetadata metadata, int variant)
    {
        var years = new[] { 2010, 2014, 2018, 2022 };
        var rates = new[] { 56.1, 58.4, 61.8, 64.2 + variant * 1.4 };
        var entries = new List<PreElectionHistoricalTurnoutEntry>(years.Length);

        for (var index = 0; index < years.Length; index++)
        {
            var electors = metadata.TotalExpectedVotes - 50000 + (index * 25000);
            entries.Add(new PreElectionHistoricalTurnoutEntry
            {
                ElectionOrder = 5 + index,
                Year = years[index],
                Electors = electors,
                Votes = (int)Math.Round(electors * rates[index] / 100d, MidpointRounding.AwayFromZero),
                TurnoutRate = rates[index]
            });
        }

        return entries;
    }

    private static IReadOnlyList<PreElectionHistoricalWinnerEntry> CreateHistoricalWinners(int variant)
    {
        return new[]
        {
            new PreElectionHistoricalWinnerEntry
            {
                ElectionOrder = 5,
                Year = 2010,
                Name = "김민수",
                Party = "열린우리당",
                ColorParty = "열린우리당",
                Note = string.Empty
            },
            new PreElectionHistoricalWinnerEntry
            {
                ElectionOrder = 6,
                Year = 2014,
                Name = "박정우",
                Party = "새누리당",
                ColorParty = "새누리당",
                Note = string.Empty
            },
            new PreElectionHistoricalWinnerEntry
            {
                ElectionOrder = 7,
                Year = 2018,
                Name = "이서연",
                Party = "더불어민주당",
                ColorParty = "더불어민주당",
                Note = string.Empty
            },
            new PreElectionHistoricalWinnerEntry
            {
                ElectionOrder = 8,
                Year = 2022,
                Name = variant == 0 ? "최도윤" : "최서준",
                Party = variant == 0 ? "국민의힘" : "더불어민주당",
                ColorParty = variant == 0 ? "국민의힘" : "더불어민주당",
                Note = variant == 0 ? "재선" : "정권교체"
            }
        };
    }

    private static IReadOnlyList<TurnoutBoardSlotEntry> CreateTurnoutBoardSlots(ScenarioMetadata metadata, int variant)
    {
        return new[]
        {
            new TurnoutBoardSlotEntry(1, "전국", metadata.NationalTurnoutRate, true),
            new TurnoutBoardSlotEntry(2, metadata.RegionName, 61.4 + (metadata.TemplateSeed % 5) + variant * 1.7),
            new TurnoutBoardSlotEntry(3, "세종", 59.2 + (metadata.TemplateSeed % 3) + variant * 1.3),
            new TurnoutBoardSlotEntry(4, "충북", 57.8 + (metadata.TemplateSeed % 4) + variant * 1.1),
            new TurnoutBoardSlotEntry(5, "충남", 60.1 + (metadata.TemplateSeed % 2) + variant * 1.5)
        };
    }

    private static string[] ResolveCandidateNames(string templateName)
    {
        if (templateName.Contains("교육감", StringComparison.Ordinal))
        {
            return ["김하늘", "이준호", "박소라"];
        }

        if (templateName.Contains("기초의원", StringComparison.Ordinal))
        {
            return ["김민재", "이소율", "박태훈", "최수빈"];
        }

        if (templateName.Contains("기초단체장", StringComparison.Ordinal))
        {
            return ["윤서진", "강민호", "정다온", "한지후"];
        }

        if (templateName.Contains("광역의원", StringComparison.Ordinal))
        {
            return ["송현우", "배지민", "임서아", "조하람"];
        }

        return ["김하늘", "이준호", "박소라", "최민석", "정서윤"];
    }

    private static string[] ResolveParties(int count)
    {
        return new[] { "더불어민주당", "국민의힘", "조국혁신당", "개혁신당", "무소속" }
            .Take(count)
            .ToArray();
    }

    private static double[] ResolveVoteShares(string templateName, int count, int variant)
    {
        double[] shares = templateName switch
        {
            var name when name.Contains("초접전", StringComparison.Ordinal) => [50.1 + (variant * 0.2), 49.6 - (variant * 0.1), 0.3, 0, 0],
            var name when name.Contains("접전", StringComparison.Ordinal) => [50.9 + (variant * 0.2), 47.9 - (variant * 0.1), 1.2, 0, 0],
            var name when name.Contains("당선", StringComparison.Ordinal) => [56.4 + (variant * 0.5), 31.2 - (variant * 0.2), 8.7, 3.7, 0],
            var name when name.Contains("판세", StringComparison.Ordinal) => [53.1 + (variant * 0.3), 37.6 - (variant * 0.2), 6.5, 2.8, 0],
            var name when name.Contains("이시각1위", StringComparison.Ordinal) => [52.4 + (variant * 0.4), 39.5 - (variant * 0.2), 5.1, 3.0, 0],
            var name when name.Contains("1-3위", StringComparison.Ordinal) => [47.8 + (variant * 0.3), 34.4 + (variant * 0.1), 13.2 - (variant * 0.2), 3.1, 1.5],
            var name when name.Contains("모든후보", StringComparison.Ordinal) || name.Contains("전후보", StringComparison.Ordinal) => [43.9 + (variant * 0.3), 30.5 + (variant * 0.1), 11.8, 7.2, 6.6 - (variant * 0.4)],
            _ => [51.8 + (variant * 0.3), 38.7 - (variant * 0.2), 6.1, 3.4, 0]
        };

        shares = shares.Take(count).ToArray();
        var total = shares.Sum();
        for (var index = 0; index < shares.Length; index++)
        {
            shares[index] = Math.Round(shares[index] * 100d / total, 1, MidpointRounding.AwayFromZero);
        }

        var delta = 100d - shares.Sum();
        shares[0] = Math.Round(shares[0] + delta, 1, MidpointRounding.AwayFromZero);
        return shares;
    }

    private static CandidateJudgement ResolveAutomaticJudgement(string templateName)
    {
        if (templateName.Contains("당선", StringComparison.Ordinal))
        {
            return CandidateJudgement.Elected;
        }

        if (templateName.Contains("판세", StringComparison.Ordinal) ||
            templateName.Contains("이시각1위", StringComparison.Ordinal))
        {
            return CandidateJudgement.Leading;
        }

        if (templateName.Contains("접전", StringComparison.Ordinal) ||
            templateName.Contains("초접전", StringComparison.Ordinal))
        {
            return CandidateJudgement.None;
        }

        return CandidateJudgement.Leading;
    }

    private static ScenarioMetadata BuildScenarioMetadata(string templateName, int index, int variant)
    {
        var seed = index + 1;
        var totalExpectedVotes = 1_800_000 + (seed * 12_500);
        var turnoutVotes = 1_050_000 + (seed * 7_500) + (variant * 31_000);
        var countedRate = Math.Min(97.9, 68.4 + ((seed % 6) * 2.1) + (variant * 6.4));
        var countedVotes = (int)Math.Round(turnoutVotes * countedRate / 100d, MidpointRounding.AwayFromZero);

        if (templateName.Contains("교육감", StringComparison.Ordinal))
        {
            return new ScenarioMetadata("교육감", "30", "대전광역시", "대전", "대전광역시교육감", totalExpectedVotes, turnoutVotes, countedVotes, countedRate, 58.7 + (seed % 4) + (variant * 1.9), DateTimeOffset.Now.AddMinutes(seed + variant), seed);
        }

        if (templateName.Contains("기초의원", StringComparison.Ordinal))
        {
            return new ScenarioMetadata("기초의원", "44131", "천안시 가선거구", "충남", "천안시의원 가선거구", totalExpectedVotes / 2, turnoutVotes / 2, countedVotes / 2, countedRate, 54.8 + (seed % 5) + (variant * 1.7), DateTimeOffset.Now.AddMinutes(seed + variant), seed);
        }

        if (templateName.Contains("기초단체장", StringComparison.Ordinal))
        {
            return new ScenarioMetadata("기초단체장", "44131", "천안시", "충남", "천안시장", totalExpectedVotes / 2, turnoutVotes / 2, countedVotes / 2, countedRate, 56.1 + (seed % 4) + (variant * 1.8), DateTimeOffset.Now.AddMinutes(seed + variant), seed);
        }

        if (templateName.Contains("광역의원", StringComparison.Ordinal))
        {
            return new ScenarioMetadata("광역의원", "44001", "충남 제1선거구", "충남", "충남도의원 제1선거구", totalExpectedVotes / 3, turnoutVotes / 3, countedVotes / 3, countedRate, 55.4 + (seed % 3) + (variant * 1.6), DateTimeOffset.Now.AddMinutes(seed + variant), seed);
        }

        return new ScenarioMetadata("광역단체장", "44", "충청남도", "충남", "충남도지사", totalExpectedVotes, turnoutVotes, countedVotes, countedRate, 57.3 + (seed % 5) + (variant * 1.8), DateTimeOffset.Now.AddMinutes(seed + variant), seed);
    }

    private static string CapturePgm(PgmWindow? pgmWindow, string outputPath, bool skipCapture)
    {
        if (skipCapture || pgmWindow is null)
        {
            return string.Empty;
        }

        Directory.CreateDirectory(Path.GetDirectoryName(outputPath)!);
        using var bitmap = CaptureWindowBitmap(pgmWindow.Value.Handle, pgmWindow.Value.Bounds);
        bitmap.Save(outputPath, ImageFormat.Png);
        return ComputeSha256(outputPath);
    }

    private static Bitmap CaptureWindowBitmap(IntPtr handle, Rect bounds)
    {
        var width = Math.Max(1, bounds.Width);
        var height = Math.Max(1, bounds.Height);
        var bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
        using var graphics = Graphics.FromImage(bitmap);

        var hdc = graphics.GetHdc();
        try
        {
            if (PrintWindow(handle, hdc, 0))
            {
                return bitmap;
            }
        }
        finally
        {
            graphics.ReleaseHdc(hdc);
        }

        graphics.CopyFromScreen(bounds.Left, bounds.Top, 0, 0, new Size(width, height), CopyPixelOperation.SourceCopy);
        return bitmap;
    }

    private static string ComputeSha256(string path)
    {
        using var stream = File.OpenRead(path);
        using var sha256 = SHA256.Create();
        return Convert.ToHexString(sha256.ComputeHash(stream));
    }

    private static PgmWindow? TryFindPgmWindow()
    {
        var process = Process.GetProcessesByName("Tornado3")
            .FirstOrDefault(candidate => string.Equals(candidate.MainWindowTitle, "PGM", StringComparison.Ordinal));
        if (process is null || process.MainWindowHandle == IntPtr.Zero)
        {
            return null;
        }

        if (!GetWindowRect(process.MainWindowHandle, out var rect))
        {
            return null;
        }

        return new PgmWindow(process.MainWindowHandle, new Rect(rect.Left, rect.Top, rect.Right - rect.Left, rect.Bottom - rect.Top));
    }

    private static void WriteReports(LiveCutValidationOptions options, IReadOnlyList<LiveCutValidationResult> results)
    {
        var csvPath = Path.Combine(options.OutputPath, "results.csv");
        var jsonPath = Path.Combine(options.OutputPath, "results.json");
        var summaryPath = Path.Combine(options.OutputPath, "summary.md");

        var csv = new StringBuilder();
        csv.AppendLine("Index,TemplateId,TemplateName,CutName,Channel,Phase,Success,VisualChanged,OutputVisibleInPgm,CaptureAPath,CaptureBPath,HashA,HashB,Detail");
        foreach (var result in results)
        {
            csv.AppendLine(string.Join(",",
                Csv(result.Index.ToString()),
                Csv(result.TemplateId),
                Csv(result.TemplateName),
                Csv(result.CutName),
                Csv(result.Channel),
                Csv(result.Phase),
                Csv(result.Success.ToString()),
                Csv(result.VisualChanged.ToString()),
                Csv(result.OutputVisibleInPgm.ToString()),
                Csv(result.CaptureAPath ?? string.Empty),
                Csv(result.CaptureBPath ?? string.Empty),
                Csv(result.HashA ?? string.Empty),
                Csv(result.HashB ?? string.Empty),
                Csv(result.Detail ?? string.Empty)));
        }

        File.WriteAllText(csvPath, csv.ToString(), Encoding.UTF8);
        File.WriteAllText(jsonPath, JsonSerializer.Serialize(results, new JsonSerializerOptions { WriteIndented = true }), Encoding.UTF8);

        var successCount = results.Count(result => result.Success);
        var changedCount = results.Count(result => result.Success && result.VisualChanged);
        var unchanged = results.Where(result => result.Success && result.OutputVisibleInPgm && !result.VisualChanged).ToList();
        var failures = results.Where(result => !result.Success).ToList();

        var summary = new StringBuilder();
        summary.AppendLine("# Live Cut Validation");
        summary.AppendLine();
        summary.AppendLine($"- Run At: {DateTimeOffset.Now:yyyy-MM-dd HH:mm:ss zzz}");
        summary.AppendLine($"- Image Root: {options.ImageRootPath}");
        summary.AppendLine($"- Output: {options.OutputPath}");
        summary.AppendLine($"- Success: {successCount}/{results.Count}");
        summary.AppendLine($"- Visual Changed: {changedCount}");
        summary.AppendLine($"- Unchanged Captures: {unchanged.Count}");
        summary.AppendLine($"- Failures: {failures.Count}");
        summary.AppendLine();

        if (unchanged.Count > 0)
        {
            summary.AppendLine("## Unchanged Captures");
            summary.AppendLine();
            foreach (var result in unchanged)
            {
                summary.AppendLine($"- `{result.TemplateId}`: {result.Detail}");
            }

            summary.AppendLine();
        }

        if (failures.Count > 0)
        {
            summary.AppendLine("## Failures");
            summary.AppendLine();
            foreach (var result in failures)
            {
                summary.AppendLine($"- `{result.TemplateId}`: {result.Detail}");
            }

            summary.AppendLine();
        }

        summary.AppendLine("## Files");
        summary.AppendLine();
        summary.AppendLine("- `results.csv`");
        summary.AppendLine("- `results.json`");
        summary.AppendLine("- `*_A.png`, `*_B.png`");

        File.WriteAllText(summaryPath, summary.ToString(), Encoding.UTF8);
    }

    private static string Csv(string value)
    {
        return $"\"{value.Replace("\"", "\"\"")}\"";
    }

    private static string SanitizeFileName(string value)
    {
        var invalidChars = Path.GetInvalidFileNameChars();
        var builder = new StringBuilder(value.Length);
        foreach (var character in value)
        {
            builder.Append(invalidChars.Contains(character) ? '_' : character);
        }

        var sanitized = builder.ToString().Trim();
        if (sanitized.Length > 80)
        {
            sanitized = sanitized[..80];
        }

        return string.IsNullOrWhiteSpace(sanitized) ? "cut" : sanitized;
    }

    [DllImport("user32.dll")]
    [return: MarshalAs(UnmanagedType.Bool)]
    private static extern bool PrintWindow(IntPtr hwnd, IntPtr hdcBlt, uint nFlags);

    [DllImport("user32.dll")]
    [return: MarshalAs(UnmanagedType.Bool)]
    private static extern bool GetWindowRect(IntPtr hWnd, out NativeRect lpRect);

    private sealed record LiveCutValidationOptions
    {
        public string ImageRootPath { get; init; } = string.Empty;
        public string OutputPath { get; init; } = string.Empty;
        public string StationLogoPath { get; init; } = string.Empty;
        public string? Filter { get; init; }
        public int? Limit { get; init; }
        public int OnAirDelayMs { get; init; } = 900;
        public int BetweenDelayMs { get; init; } = 250;
        public bool IncludeVideoWall { get; init; }

        public static LiveCutValidationOptions Parse(string[] args)
        {
            var repoRoot = Environment.CurrentDirectory;
            var options = new LiveCutValidationOptions
            {
                ImageRootPath = TornadoPathResolver.GetDefaultT3CutPath(),
                OutputPath = Path.Combine(repoRoot, "artifacts", "live-cut-validation", DateTime.Now.ToString("yyyyMMdd_HHmmss")),
                StationLogoPath = Path.Combine(repoRoot, "Tornado3_2026Election", "bin", "x64", "Debug", "net8.0-windows10.0.19041.0", "win-x64", "Assets", "Stations", "tjb.png")
            };

            for (var index = 0; index < args.Length; index++)
            {
                switch (args[index])
                {
                    case "--image-root":
                        options = options with { ImageRootPath = RequireValue(args, ref index, "--image-root") };
                        break;
                    case "--output":
                        options = options with { OutputPath = RequireValue(args, ref index, "--output") };
                        break;
                    case "--filter":
                        options = options with { Filter = RequireValue(args, ref index, "--filter") };
                        break;
                    case "--limit":
                        options = options with { Limit = int.Parse(RequireValue(args, ref index, "--limit")) };
                        break;
                    case "--onair-delay-ms":
                        options = options with { OnAirDelayMs = int.Parse(RequireValue(args, ref index, "--onair-delay-ms")) };
                        break;
                    case "--between-delay-ms":
                        options = options with { BetweenDelayMs = int.Parse(RequireValue(args, ref index, "--between-delay-ms")) };
                        break;
                    case "--include-videowall":
                        options = options with { IncludeVideoWall = true };
                        break;
                    default:
                        throw new ArgumentException($"Unknown option: {args[index]}");
                }
            }

            return options with
            {
                ImageRootPath = Path.GetFullPath(options.ImageRootPath),
                OutputPath = Path.GetFullPath(options.OutputPath),
                StationLogoPath = Path.GetFullPath(options.StationLogoPath)
            };
        }

        private static string RequireValue(string[] args, ref int index, string optionName)
        {
            index++;
            if (index >= args.Length)
            {
                throw new ArgumentException($"Missing value for {optionName}.");
            }

            return args[index];
        }
    }

    private sealed class LiveCutValidationResult
    {
        public int Index { get; init; }
        public string TemplateId { get; init; } = string.Empty;
        public string TemplateName { get; init; } = string.Empty;
        public string CutName { get; init; } = string.Empty;
        public string Channel { get; init; } = string.Empty;
        public string Phase { get; init; } = string.Empty;
        public bool Success { get; set; }
        public bool VisualChanged { get; set; }
        public bool OutputVisibleInPgm { get; set; }
        public string? CaptureAPath { get; set; }
        public string? CaptureBPath { get; set; }
        public string? HashA { get; set; }
        public string? HashB { get; set; }
        public string? Detail { get; set; }
    }

    private readonly record struct LiveCutWorkItem(FormatTemplateDefinition Template, FormatCutDefinition Cut);

    private readonly record struct ScenarioMetadata(
        string ElectionType,
        string DistrictCode,
        string DistrictName,
        string RegionName,
        string ElectionDistrictName,
        int TotalExpectedVotes,
        int TurnoutVotes,
        int CountedVotes,
        double CountedRate,
        double NationalTurnoutRate,
        DateTimeOffset ReceivedAt,
        int TemplateSeed);

    private readonly record struct PgmWindow(IntPtr Handle, Rect Bounds);

    private readonly record struct Rect(int Left, int Top, int Width, int Height);

    [StructLayout(LayoutKind.Sequential)]
    private readonly struct NativeRect
    {
        public int Left { get; init; }
        public int Top { get; init; }
        public int Right { get; init; }
        public int Bottom { get; init; }
    }
}