using System.Text.Json.Serialization;

namespace FinlyticCore.Dtos.TechnicalAnalysis;

/// <summary>
/// Major category of a chart pattern.
/// </summary>
[JsonConverter(typeof(JsonStringEnumConverter<PatternCategory>))]
public enum PatternCategory
{
    Candlestick,
    Chart,
    SmartMoney
}

/// <summary>
/// Directional bias indicated by a pattern or technical setup.
/// </summary>
[JsonConverter(typeof(JsonStringEnumConverter<PatternBias>))]
public enum PatternBias
{
    Bullish,
    Bearish,
    Neutral
}

/// <summary>
/// Specific pattern type recognized by pattern detection engines.
/// </summary>
[JsonConverter(typeof(JsonStringEnumConverter<PatternType>))]
public enum PatternType
{
    // Candlestick Patterns
    Hammer,
    ShootingStar,
    BullishEngulfing,
    BearishEngulfing,
    MorningStar,
    EveningStar,
    Doji,

    // Classical Chart Patterns
    DoubleBottom,
    DoubleTop,
    HeadAndShoulders,
    InverseHeadAndShoulders,
    AscendingTriangle,
    DescendingTriangle,

    // Smart Money Concepts (SMC)
    FairValueGapBullish,
    FairValueGapBearish,
    LiquiditySweepHigh,
    LiquiditySweepLow,
    BreakOfStructure,
    ChangeOfCharacter,
    OrderBlock
}

/// <summary>
/// Strategy exit model defining how positions are closed or trailed.
/// </summary>
[JsonConverter(typeof(JsonStringEnumConverter<ExitStrategyType>))]
public enum ExitStrategyType
{
    StagedScaleOutWithBreakEven,
    PureTrailingStop,
    DynamicBandTouch,
    FixedSingleTarget,
    IndicatorReversal
}

/// <summary>
/// Type of trailing stop mechanic.
/// </summary>
[JsonConverter(typeof(JsonStringEnumConverter<TrailingStopType>))]
public enum TrailingStopType
{
    AtrMultiplier,
    SuperTrendLine,
    SwingPoints
}

/// <summary>
/// Direction of a technical trading setup signal.
/// </summary>
[JsonConverter(typeof(JsonStringEnumConverter<SignalDirection>))]
public enum SignalDirection
{
    Buy,
    Sell,
    Neutral
}

/// <summary>
/// Overall market or asset technical regime.
/// </summary>
[JsonConverter(typeof(JsonStringEnumConverter<MarketRegime>))]
public enum MarketRegime
{
    BullishTrending,
    BearishTrending,
    HighVolatilityChoppy,
    LowVolatilityRangebound
}

/// <summary>
/// Which recurring FinlyticTechnicals selection mechanism added an ISIN to the continuously-scanned universe
/// (<c>TechnicalUniverseManager</c> in FinlyticTechnicals). Defined here rather than in FinlyticTechnicals
/// because it is carried on <see cref="StrategyResultDto.UniverseSource"/> across the MQTT boundary into
/// FinlyticEngine's evaluation snapshot, so more than one service needs it (Rules.md §3).
/// </summary>
[JsonConverter(typeof(JsonStringEnumConverter<UniverseSource>))]
public enum UniverseSource
{
    /// <summary>Promoted temporarily because FinlyticSentiment reported a strong/shifting sentiment reading.</summary>
    SentimentSpike = 1,

    /// <summary>Favorited by at least one user, aggregated across all users via FinlyticBackend.</summary>
    UserFavorite = 2,

    /// <summary>Part of FinlyticAssets' curated discovery/watchlist asset set.</summary>
    Discovery = 3
}