namespace Fragalytics.Web.Models;

public static class DemoStatuses
{
    public const string Uploaded = "uploaded";
    public const string Queued = "queued";
    public const string Processing = "processing";
    public const string Parsed = "parsed";
    public const string Failed = "failed";
}

public static class ClipJobStatuses
{
    public const string Pending = "pending";
    public const string Rendering = "rendering";
    public const string Rendered = "rendered";
    public const string Failed = "failed";
}

public static class EventTypes
{
    public const string Kill = "kill";
}

public static class ClipMediaFormats
{
    public const string Mp4Extension = ".mp4";
    public const string WebMExtension = ".webm";
    public const string Mp4ContentType = "video/mp4";
    public const string WebMContentType = "video/webm";

    public static readonly HashSet<string> AllowedExtensions = new(StringComparer.OrdinalIgnoreCase)
    {
        Mp4Extension,
        WebMExtension
    };

    public static string InferContentType(string extension)
    {
        return extension.Equals(WebMExtension, StringComparison.OrdinalIgnoreCase)
            ? WebMContentType
            : Mp4ContentType;
    }

    public static string GetSuggestedFileExtension(string outputFormat)
    {
        return outputFormat.Equals("webm", StringComparison.OrdinalIgnoreCase)
            ? WebMExtension
            : Mp4Extension;
    }
}

public sealed class AppState
{
    public int NextDemoId { get; set; } = 1;
    public int NextMatchId { get; set; } = 1;
    public int NextPlayerId { get; set; } = 1;
    public int NextRoundId { get; set; } = 1;
    public int NextEventId { get; set; } = 1;
    public int NextHighlightId { get; set; } = 1;
    public int NextClipJobId { get; set; } = 1;
    public int NextClipAssetId { get; set; } = 1;
    public int NextScoringProfileId { get; set; } = 1;

    public List<DemoRecord> Demos { get; set; } = [];
    public List<MatchRecord> Matches { get; set; } = [];
    public List<PlayerRecord> Players { get; set; } = [];
    public List<RoundRecord> Rounds { get; set; } = [];
    public List<EventRecord> Events { get; set; } = [];
    public List<HighlightRecord> Highlights { get; set; } = [];
    public List<ClipJobRecord> ClipJobs { get; set; } = [];
    public List<ClipAssetRecord> ClipAssets { get; set; } = [];
    public List<ScoringProfileRecord> ScoringProfiles { get; set; } = [];
}

public sealed class DemoRecord
{
    public int Id { get; set; }
    public string OriginalFileName { get; set; } = string.Empty;
    public string StoredPath { get; set; } = string.Empty;
    public string ParserBackend { get; set; } = string.Empty;
    public string Status { get; set; } = DemoStatuses.Uploaded;
    public string? ErrorMessage { get; set; }
    public DateTime UploadedAtUtc { get; set; } = DateTime.UtcNow;
    public DateTime? ProcessedAtUtc { get; set; }
    public int? MatchId { get; set; }
}

public sealed class MatchRecord
{
    public int Id { get; set; }
    public int DemoId { get; set; }
    public string? MapName { get; set; }
    public string? ServerName { get; set; }
    public int? TickRate { get; set; }
    public int TotalRounds { get; set; }
    public string? TeamCtName { get; set; }
    public string? TeamTName { get; set; }
    public DateTime ParsedAtUtc { get; set; } = DateTime.UtcNow;
}

public sealed class PlayerRecord
{
    public int Id { get; set; }
    public int MatchId { get; set; }
    public string SteamId { get; set; } = string.Empty;
    public string Name { get; set; } = string.Empty;
    public string? TeamName { get; set; }
    public string? Side { get; set; }
}

public sealed class RoundRecord
{
    public int Id { get; set; }
    public int MatchId { get; set; }
    public int Number { get; set; }
    public int? StartTick { get; set; }
    public int? EndTick { get; set; }
    public string? WinnerSide { get; set; }
    public string? WinnerTeamName { get; set; }
    public string? Reason { get; set; }
}

public sealed class EventRecord
{
    public int Id { get; set; }
    public int MatchId { get; set; }
    public int? RoundId { get; set; }
    public string EventType { get; set; } = EventTypes.Kill;
    public int Tick { get; set; }
    public double? Second { get; set; }
    public int? ActorPlayerId { get; set; }
    public int? TargetPlayerId { get; set; }
    public string? Weapon { get; set; }
    public bool IsHeadshot { get; set; }
    public bool IsWallbang { get; set; }
    public bool IsSmokeKill { get; set; }
    public int? KillerAliveCount { get; set; }
    public int? EnemyAliveCount { get; set; }
    public string? KillerNameSnapshot { get; set; }
    public string? VictimNameSnapshot { get; set; }
}

public sealed class HighlightRecord
{
    public int Id { get; set; }
    public int MatchId { get; set; }
    public int? RoundId { get; set; }
    public int SourceEventId { get; set; }
    public double Score { get; set; }
    public List<string> Tags { get; set; } = [];
    public List<ScoreExplanationRecord> Explanation { get; set; } = [];
    public string ScoringVersion { get; set; } = string.Empty;
    public int StartTick { get; set; }
    public int EndTick { get; set; }
    public DateTime CreatedAtUtc { get; set; } = DateTime.UtcNow;
}

public sealed class ScoreExplanationRecord
{
    public string Reason { get; set; } = string.Empty;
    public double Value { get; set; }
    public string Detail { get; set; } = string.Empty;
}

public sealed class ClipJobRecord
{
    public int Id { get; set; }
    public int HighlightId { get; set; }
    public string Renderer { get; set; } = RenderBackendNames.FutureRenderer;
    public string Status { get; set; } = ClipJobStatuses.Pending;
    public int StartTick { get; set; }
    public int EndTick { get; set; }
    public Dictionary<string, string> Payload { get; set; } = [];
    public DateTime CreatedAtUtc { get; set; } = DateTime.UtcNow;
    public int? ClipAssetId { get; set; }
    public int AttemptCount { get; set; }
    public int MaxAttempts { get; set; } = 2;
    public string? ErrorMessage { get; set; }
    public DateTime? LastAttemptedAtUtc { get; set; }
    public DateTime? RetryAfterUtc { get; set; }
    public DateTime? StartedAtUtc { get; set; }
    public DateTime? CompletedAtUtc { get; set; }
}

public sealed class RenderJobContract
{
    public const string CurrentVersion = "1";
    public const string DefaultCameraMode = "killer_pov";
    public const string DefaultOutputFormat = "mp4";
    public const string DefaultResolution = "1920x1080";
    public const string DefaultFps = "60";

    public string Version { get; set; } = CurrentVersion;
    public int DemoId { get; set; }
    public int MatchId { get; set; }
    public int HighlightId { get; set; }
    public int SourceEventId { get; set; }
    public int StartTick { get; set; }
    public int EndTick { get; set; }
    public string CameraMode { get; set; } = DefaultCameraMode;
    public string OutputFormat { get; set; } = DefaultOutputFormat;
    public string Resolution { get; set; } = DefaultResolution;
    public string Fps { get; set; } = DefaultFps;

    public Dictionary<string, string> ToPayload()
    {
        return new Dictionary<string, string>
        {
            ["version"] = Version,
            ["demoId"] = DemoId.ToString(),
            ["matchId"] = MatchId.ToString(),
            ["highlightId"] = HighlightId.ToString(),
            ["sourceEventId"] = SourceEventId.ToString(),
            ["startTick"] = StartTick.ToString(),
            ["endTick"] = EndTick.ToString(),
            ["cameraMode"] = CameraMode,
            ["outputFormat"] = OutputFormat,
            ["resolution"] = Resolution,
            ["fps"] = Fps
        };
    }

    public static RenderJobContract FromPayload(IReadOnlyDictionary<string, string> payload)
    {
        return new RenderJobContract
        {
            Version = ReadString(payload, "version", CurrentVersion),
            DemoId = ReadInt(payload, "demoId"),
            MatchId = ReadInt(payload, "matchId"),
            HighlightId = ReadInt(payload, "highlightId"),
            SourceEventId = ReadInt(payload, "sourceEventId"),
            StartTick = ReadInt(payload, "startTick"),
            EndTick = ReadInt(payload, "endTick"),
            CameraMode = ReadString(payload, "cameraMode", DefaultCameraMode),
            OutputFormat = ReadString(payload, "outputFormat", DefaultOutputFormat),
            Resolution = ReadString(payload, "resolution", DefaultResolution),
            Fps = ReadString(payload, "fps", DefaultFps)
        };
    }

    public string GetSuggestedFileExtension()
    {
        return ClipMediaFormats.GetSuggestedFileExtension(OutputFormat);
    }

    private static int ReadInt(IReadOnlyDictionary<string, string> payload, string key)
    {
        return payload.TryGetValue(key, out var raw) && int.TryParse(raw, out var value) ? value : 0;
    }

    private static string ReadString(IReadOnlyDictionary<string, string> payload, string key, string fallback)
    {
        return payload.TryGetValue(key, out var value) && !string.IsNullOrWhiteSpace(value) ? value : fallback;
    }
}

public sealed class ClipAssetRecord
{
    public int Id { get; set; }
    public int ClipJobId { get; set; }
    public string FileName { get; set; } = string.Empty;
    public string StoredPath { get; set; } = string.Empty;
    public string ContentType { get; set; } = ClipMediaFormats.Mp4ContentType;
    public long FileSizeBytes { get; set; }
    public DateTime CreatedAtUtc { get; set; } = DateTime.UtcNow;
}

public sealed class ScoringProfileRecord
{
    public int Id { get; set; }
    public string Name { get; set; } = "default";
    public string Version { get; set; } = string.Empty;
    public bool IsActive { get; set; } = true;
    public DateTime CreatedAtUtc { get; set; } = DateTime.UtcNow;
    public HighlightScoringRules Rules { get; set; } = new();
}

public sealed class HighlightScoringRules
{
    public string Name { get; set; } = "default";
    public Dictionary<string, double> Weights { get; set; } = new();
    public ClipWindowRules Clip { get; set; } = new();
    public ScoreThresholdRules Thresholds { get; set; } = new();
}

public sealed class ClipWindowRules
{
    public int PreTicks { get; set; } = 160;
    public int PostTicks { get; set; } = 96;
}

public sealed class ScoreThresholdRules
{
    public double HighlightScoreMin { get; set; } = 18;
}