using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace Managing.Infrastructure.Databases.PostgreSql.Entities;

[Table("Backtests")]
public class BacktestEntity
{
    [Key]
    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    public int Id { get; set; }

    [Required]
    [MaxLength(255)]
    public string Identifier { get; set; } = string.Empty;

    [Required]
    public Guid RequestId { get; set; }

    [Required]
    [Column(TypeName = "decimal(18,8)")]
    public decimal FinalPnl { get; set; }

    [Required]
    public int WinRate { get; set; }

    [Required]
    [Column(TypeName = "decimal(18,8)")]
    public decimal GrowthPercentage { get; set; }

    [Required]
    [Column(TypeName = "decimal(18,8)")]
    public decimal HodlPercentage { get; set; }

    [Required]
    [Column(TypeName = "jsonb")]
    public string ConfigJson { get; set; } = string.Empty;

    // Denormalized bot/backtest name (e.g., "MyBundleTest #3") for sorting/filtering
    [Required]
    [MaxLength(255)]
    public string Name { get; set; } = string.Empty;

    // Denormalized ticker string for fast filtering/sorting
    [Required]
    [MaxLength(32)]
    public string Ticker { get; set; } = string.Empty;

    // Stored timeframe as enum numeric value for direct sorting/filtering
    [Required]
    public int Timeframe { get; set; }

    // Stored trading type as enum numeric value for direct filtering
    [Required]
    public int TradingType { get; set; }

    // Comma-separated indicator types for filtering, e.g., "EMA_CROSS,MACD_CROSS"
    [Column(TypeName = "text")]
    public string IndicatorsCsv { get; set; } = string.Empty;

    // Number of indicators used in the scenario for sorting/filtering
    [Required]
    public int IndicatorsCount { get; set; }

    [Required]
    [Column(TypeName = "jsonb")]
    public string PositionsJson { get; set; } = string.Empty;

    [Required]
    [Column(TypeName = "jsonb")]
    public string SignalsJson { get; set; } = string.Empty;

    [Required]
    public DateTime StartDate { get; set; }

    [Required]
    public DateTime EndDate { get; set; }

    // Precomputed for filtering: EndDate - StartDate
    [Required]
    public TimeSpan Duration { get; set; }

    [Required]
    [Column(TypeName = "jsonb")]
    public string MoneyManagementJson { get; set; } = string.Empty;

    [Required]
    public int UserId { get; set; }
    
    // Navigation property
    public UserEntity? User { get; set; }

    [Column(TypeName = "jsonb")]
    public string? StatisticsJson { get; set; }

    // Extracted metrics for efficient querying/indexing
    [Required]
    [Column(TypeName = "decimal(18,8)")]
    public decimal SharpeRatio { get; set; }

    [Required]
    [Column(TypeName = "decimal(18,8)")]
    public decimal MaxDrawdown { get; set; }

    // PostgreSQL maps TimeSpan to interval
    [Required]
    public TimeSpan MaxDrawdownRecoveryTime { get; set; }

    [Required]
    [Column(TypeName = "decimal(18,8)")]
    public decimal Fees { get; set; }

    [Required]
    public double Score { get; set; }

    [Column(TypeName = "text")]
    public string ScoreMessage { get; set; } = string.Empty;

    [Column(TypeName = "text")]
    public string? Metadata { get; set; }

    [Required]
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;

    [Required]
    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;

    [Required]
    [Column(TypeName = "decimal(18,8)")]
    public decimal InitialBalance { get; set; }

    [Required]
    [Column(TypeName = "decimal(18,8)")]
    public decimal NetPnl { get; set; }

    [Required]
    public int PositionCount { get; set; }
}