using IBKRTrader.Core.Database;
using IBKRTrader.Core.Logging;

namespace IBKRTrader.Core.Trading;

/// <summary>Verwaltet core_trade_history – Lesen und Schreiben von Trade-Einträgen.</summary>
public class TradeHistoryService
{
    private readonly DatabaseService _db;
    private readonly LoggingService  _logger;

    public TradeHistoryService(DatabaseService db, LoggingService logger)
    {
        _db     = db;
        _logger = logger;
    }

    public async Task RecordTradeAsync(
        string module, string symbol, string action,
        decimal quantity, decimal price, string? ibkrOrderId = null, string? notes = null)
    {
        await _db.ExecuteAsync(@"
            INSERT INTO `core_trade_history`
                (module, symbol, action, quantity, price, total_value, traded_at, ibkr_order_id, status, notes)
            VALUES
                (@module, @symbol, @action, @qty, @price, @total, @now, @orderId, 'Executed', @notes)",
            new
            {
                module,
                symbol,
                action,
                qty     = quantity,
                price,
                total   = quantity * price,
                now     = DateTime.UtcNow,
                orderId = ibkrOrderId,
                notes
            });

        _logger.Info(module, $"Trade gespeichert: {action} {quantity}x {symbol} @ {price:F2}");
    }

    public async Task<IEnumerable<dynamic>> GetRecentTradesAsync(int limit = 100)
        => await _db.QueryAsync<dynamic>(
            "SELECT * FROM `core_trade_history` ORDER BY traded_at DESC LIMIT @limit",
            new { limit });
}