using System;
using System.ComponentModel.DataAnnotations;
using FinlyticAssets.Models;
using FinlyticCore.Models.Assets;

namespace FinlyticAssets.Entities;

/// <summary>
/// Represents the global synchronization and timing configurations for the Trade Republic asset scanner.
/// </summary>
public class Settings
{ 
    /// <summary>
    /// Gets or sets the unique identifier for the settings record.
    /// </summary>
    [Key] 
    public Guid Id { get; set; }
    
    /// <summary>
    /// Gets or sets a value indicating whether the very first full scan of all assets has been completed.
    /// Used to switch from fast initial discovery delays to stealthy incremental update delays.
    /// </summary>
    public bool FinishedInitialScan { get; set; }

    /// <summary>
    /// Gets or sets the minimum number of days to wait before an asset becomes eligible for re-validation.
    /// Combined with <see cref="MaxRandomUpdateDay"/> to achieve a flat 2-to-3-month rotation cycle.
    /// </summary>
    public int MinRandomUpdateDay { get; set; } = 60;

    /// <summary>
    /// Gets or sets the maximum number of days to wait before an asset must be re-validated (roughly 3 months).
    /// </summary>
    public int MaxRandomUpdateDay { get; set; } = 90;

    /// <summary>
    /// Gets or sets the earliest hour (0-23) of the day when background synchronization is allowed to execute.
    /// Prevents unusual nocturnal API traffic.
    /// </summary>
    public int UpdateDayTimeStart { get; set; } = 8;
    
    /// <summary>
    /// Gets or sets the latest hour (0-23) of the day when background synchronization is allowed to execute.
    /// </summary>
    public int UpdateDayTimeStop { get; set; } = 21;

    /// <summary>
    /// Gets or sets the maximum number of assets requested per single API pagination call.
    /// Values around 100 look like standard dynamic-scrolling payloads from a real client device.
    /// </summary>
    public int TradeRepublicMaxRequestPageSize { get; set; } = 100;

    /// <summary>
    /// Gets or sets the idle delay in seconds between switching from one full asset category to another (e.g., from Stocks to Crypto)
    /// during standard maintenance mode. (Default 12000s = ~3.3 hours).
    /// </summary>
    public int AssetUpdateTypeDelay { get; set; } = 12000;

    /// <summary>
    /// Gets or sets the idle delay in seconds between switching asset categories during the initial setup scan.
    /// Faster than standard mode but kept high enough to prevent early rate limiting. (Default 3600s = 1 hour).
    /// </summary>
    public int InitAssetUpdateTypeDelay { get; set; } = 3600;

    /// <summary>
    /// Gets or sets the baseline delay in seconds between sequential page requests of the same asset type during the initial setup scan.
    /// (Default 120s = 2 minutes).
    /// </summary>
    public int InitBatchAssetUpdateDelay { get; set; } = 120;

    /// <summary>
    /// Gets or sets the standard baseline delay in seconds between sequential page requests of the same asset type during recurring incremental updates.
    /// Spreads pagination widely over time to blend into regular human traffic profiles. (Default 600s = 10 minutes).
    /// </summary>
    public int BatchAssetUpdateDelay { get; set; } = 600;

    /// <summary>
    /// Gets or sets the asset type that is currently being processed by the full scan.
    /// Acts as a live pointer for recovery after a service interruption.
    /// </summary>
    public AssetType CurrentScanningType { get; set; } = AssetType.Stock;

    /// <summary>
    /// Gets or sets the page number of the <see cref="CurrentScanningType"/> that is currently being fetched or was just processed.
    /// Trade Republic uses 1-based pagination. A value of 0 means the scan is currently idle or between types.
    /// </summary>
    public int CurrentScanningPage { get; set; } = 0;
}