using System.Text.Json.Serialization;

namespace IBKRTrader.Core.IBKR;

// ─── DB Entities ─────────────────────────────────────────────────────────────

/// <summary>
/// Repräsentiert ein IBKR-Instrument in core_ibkr_instruments.
/// ibkr_conid ist der zentrale, eindeutige IBKR-Schlüssel.
/// </summary>
public class IBKRInstrument
{
    public long     Id               { get; set; }
    public long     IbkrConid        { get; set; }
    public string   Symbol           { get; set; } = "";
    public string   SecType          { get; set; } = "STK";
    public string   Exchange         { get; set; } = "SMART";
    public string?  PrimaryExchange  { get; set; }
    public string   Currency         { get; set; } = "USD";
    public string?  CompanyName      { get; set; }
    public string?  Isin             { get; set; }
    public string?  Sector           { get; set; }
    public string?  Industry         { get; set; }
    public string?  Description      { get; set; }
    public bool     Active           { get; set; } = true;
    public DateTime? LastFetched     { get; set; }
    public DateTime  CreatedAt       { get; set; }
    public DateTime  UpdatedAt       { get; set; }
}

/// <summary>
/// Repräsentiert einen OHLCV-Balken in core_ibkr_market_data.
/// </summary>
public class IBKRMarketBar
{
    public long     InstrumentId { get; set; }
    public string   BarSize      { get; set; } = "daily";
    public DateTime Timestamp    { get; set; }
    public decimal  Open         { get; set; }
    public decimal  High         { get; set; }
    public decimal  Low          { get; set; }
    public decimal  Close        { get; set; }
    public long     Volume       { get; set; }
    public decimal? Wap          { get; set; }
    public int?     BarCount     { get; set; }
}

/// <summary>
/// Externes Ticker-Mapping in core_ibkr_external_identifiers.
/// </summary>
public class IBKRExternalIdentifier
{
    public long    Id           { get; set; }
    public long    InstrumentId { get; set; }
    public string  Source       { get; set; } = "";
    public string  Ticker       { get; set; } = "";
}

// ─── API Response DTOs ───────────────────────────────────────────────────────

/// <summary>
/// Response von GET /iserver/auth/status
/// </summary>
public class IBKRAuthStatus
{
    [JsonPropertyName("authenticated")]
    public bool Authenticated { get; set; }

    [JsonPropertyName("competing")]
    public bool Competing { get; set; }

    [JsonPropertyName("connected")]
    public bool Connected { get; set; }

    [JsonPropertyName("message")]
    public string? Message { get; set; }

    [JsonPropertyName("fail")]
    public string? Fail { get; set; }
}

/// <summary>
/// Einzelnes Ergebnis der Contract-Suche (POST /iserver/secdef/search).
/// </summary>
public class IBKRContractSearchResult
{
    [JsonPropertyName("conid")]
    public long ConId { get; set; }

    [JsonPropertyName("companyHeader")]
    public string? CompanyHeader { get; set; }

    [JsonPropertyName("companyName")]
    public string? CompanyName { get; set; }

    [JsonPropertyName("symbol")]
    public string? Symbol { get; set; }

    [JsonPropertyName("description")]
    public string? Description { get; set; }

    [JsonPropertyName("restricted")]
    public string? Restricted { get; set; }

    [JsonPropertyName("fop")]
    public string? Fop { get; set; }

    [JsonPropertyName("opt")]
    public string? Opt { get; set; }

    [JsonPropertyName("war")]
    public string? War { get; set; }

    [JsonPropertyName("sections")]
    public List<IBKRContractSection>? Sections { get; set; }
}

/// <summary>
/// Sections innerhalb eines Contract-Suchergebnisses.
/// </summary>
public class IBKRContractSection
{
    [JsonPropertyName("secType")]
    public string? SecType { get; set; }

    [JsonPropertyName("months")]
    public string? Months { get; set; }

    [JsonPropertyName("symbol")]
    public string? Symbol { get; set; }

    [JsonPropertyName("exchange")]
    public string? Exchange { get; set; }

    [JsonPropertyName("legStr")]
    public string? LegStr { get; set; }
}

/// <summary>
/// Response von GET /iserver/contract/{conid}/info
/// </summary>
public class IBKRContractInfo
{
    [JsonPropertyName("cfi_code")]
    public string? CfiCode { get; set; }

    [JsonPropertyName("symbol")]
    public string? Symbol { get; set; }

    [JsonPropertyName("cusip")]
    public string? Cusip { get; set; }

    [JsonPropertyName("expiry_full")]
    public string? ExpiryFull { get; set; }

    [JsonPropertyName("con_id")]
    public long ConId { get; set; }

    [JsonPropertyName("maturity_date")]
    public string? MaturityDate { get; set; }

    [JsonPropertyName("industry")]
    public string? Industry { get; set; }

    [JsonPropertyName("instrument_type")]
    public string? InstrumentType { get; set; }

    [JsonPropertyName("trading_class")]
    public string? TradingClass { get; set; }

    [JsonPropertyName("valid_exchanges")]
    public string? ValidExchanges { get; set; }

    [JsonPropertyName("allow_sell_long")]
    public bool? AllowSellLong { get; set; }

    [JsonPropertyName("is_zero_commission_security")]
    public bool? IsZeroCommissionSecurity { get; set; }

    [JsonPropertyName("local_symbol")]
    public string? LocalSymbol { get; set; }

    [JsonPropertyName("classifier")]
    public string? Classifier { get; set; }

    [JsonPropertyName("currency")]
    public string? Currency { get; set; }

    [JsonPropertyName("text")]
    public string? Text { get; set; }

    [JsonPropertyName("underlying_con_id")]
    public long? UnderlyingConId { get; set; }

    [JsonPropertyName("r_t_h")]
    public bool? Rth { get; set; }

    [JsonPropertyName("company_name")]
    public string? CompanyName { get; set; }

    [JsonPropertyName("smart_available")]
    public bool? SmartAvailable { get; set; }

    [JsonPropertyName("exchange")]
    public string? Exchange { get; set; }

    [JsonPropertyName("listing_exchange")]
    public string? ListingExchange { get; set; }

    [JsonPropertyName("category")]
    public string? Category { get; set; }

    [JsonPropertyName("sector")]
    public string? Sector { get; set; }
}

/// <summary>
/// Response von GET /iserver/marketdata/history
/// </summary>
public class IBKRHistoricalDataResponse
{
    [JsonPropertyName("symbol")]
    public string? Symbol { get; set; }

    [JsonPropertyName("text")]
    public string? Text { get; set; }

    [JsonPropertyName("priceFactor")]
    public int? PriceFactor { get; set; }

    [JsonPropertyName("startTime")]
    public string? StartTime { get; set; }

    [JsonPropertyName("high")]
    public string? High { get; set; }

    [JsonPropertyName("low")]
    public string? Low { get; set; }

    [JsonPropertyName("timePeriod")]
    public string? TimePeriod { get; set; }

    [JsonPropertyName("barLength")]
    public int? BarLength { get; set; }

    [JsonPropertyName("mdAvailability")]
    public string? MdAvailability { get; set; }

    [JsonPropertyName("mktDataDelay")]
    public int? MktDataDelay { get; set; }

    [JsonPropertyName("outsideRth")]
    public bool? OutsideRth { get; set; }

    [JsonPropertyName("tradingDayDuration")]
    public int? TradingDayDuration { get; set; }

    [JsonPropertyName("volumeFactor")]
    public int? VolumeFactor { get; set; }

    [JsonPropertyName("priceDisplayRule")]
    public int? PriceDisplayRule { get; set; }

    [JsonPropertyName("priceDisplayValue")]
    public string? PriceDisplayValue { get; set; }

    [JsonPropertyName("negativeCapable")]
    public bool? NegativeCapable { get; set; }

    [JsonPropertyName("messageVersion")]
    public int? MessageVersion { get; set; }

    [JsonPropertyName("data")]
    public List<IBKRHistoricalBar>? Data { get; set; }

    [JsonPropertyName("points")]
    public int? Points { get; set; }

    [JsonPropertyName("travelTime")]
    public int? TravelTime { get; set; }
}

/// <summary>
/// Einzelner OHLCV-Balken aus der IBKR Historical Data Response.
/// </summary>
public class IBKRHistoricalBar
{
    [JsonPropertyName("o")]
    public decimal Open { get; set; }

    [JsonPropertyName("c")]
    public decimal Close { get; set; }

    [JsonPropertyName("h")]
    public decimal High { get; set; }

    [JsonPropertyName("l")]
    public decimal Low { get; set; }

    [JsonPropertyName("v")]
    public long Volume { get; set; }

    [JsonPropertyName("t")]
    public long Timestamp { get; set; } // Unix timestamp in ms
}

/// <summary>
/// Response von GET /trsrv/stocks?symbols=...
/// Die API gibt ein Dictionary zurück: { "AAPL": [{ ... }] }
/// </summary>
public class IBKRStockContract
{
    [JsonPropertyName("name")]
    public string? Name { get; set; }

    [JsonPropertyName("chineseName")]
    public string? ChineseName { get; set; }

    [JsonPropertyName("assetClass")]
    public string? AssetClass { get; set; }

    [JsonPropertyName("contracts")]
    public List<IBKRStockContractEntry>? Contracts { get; set; }
}

public class IBKRStockContractEntry
{
    [JsonPropertyName("conid")]
    public long ConId { get; set; }

    [JsonPropertyName("exchange")]
    public string? Exchange { get; set; }

    [JsonPropertyName("isUS")]
    public bool? IsUS { get; set; }
}