Mimante/Mimante/Utilities/CsvExporter.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using AutoBidder.Models;

namespace AutoBidder.Utilities
{
    /// <summary>
    /// Esporta statistiche aste in formato CSV
    /// </summary>
    public static class CsvExporter
    {
        /// <summary>
        /// Esporta cronologia completa di un'asta in CSV
        /// </summary>
        public static void ExportAuctionHistory(AuctionInfo auction, string filePath)
        {
            var csv = new StringBuilder();
            
            // Header
            csv.AppendLine("Timestamp,Event Type,Bidder,Price,Timer,Latency (ms),Success,Notes");
            
            // Data
            foreach (var entry in auction.BidHistory.OrderBy(h => h.Timestamp))
            {
                csv.AppendLine($"{entry.Timestamp:yyyy-MM-dd HH:mm:ss.fff}," +
                              $"{entry.EventType}," +
                              $"\"{entry.Bidder}\"," +
                              $"{entry.Price:F2}," +
                              $"{entry.Timer:F2}," +
                              $"{entry.LatencyMs}," +
                              $"{entry.Success}," +
                              $"\"{entry.Notes}\"");
            }
            
            File.WriteAllText(filePath, csv.ToString(), Encoding.UTF8);
        }
        
        /// <summary>
        /// Esporta statistiche aggregate di un'asta in CSV
        /// </summary>
        public static void ExportAuctionStatistics(AuctionInfo auction, string filePath)
        {
            var stats = AuctionStatistics.Calculate(auction);
            var csv = new StringBuilder();
            
            // Informazioni asta
            csv.AppendLine("=== AUCTION INFO ===");
            csv.AppendLine($"Auction ID,{stats.AuctionId}");
            csv.AppendLine($"Name,\"{stats.Name}\"");
            csv.AppendLine($"Monitoring Started,{stats.MonitoringStarted:yyyy-MM-dd HH:mm:ss}");
            csv.AppendLine($"Monitoring Duration,{stats.MonitoringDuration}");
            csv.AppendLine();
            
            // Contatori
            csv.AppendLine("=== COUNTERS ===");
            csv.AppendLine($"Total Bids,{stats.TotalBids}");
            csv.AppendLine($"My Bids,{stats.MyBids}");
            csv.AppendLine($"Opponent Bids,{stats.OpponentBids}");
            csv.AppendLine($"Resets,{stats.Resets}");
            csv.AppendLine($"Unique Bidders,{stats.UniqueBidders}");
            csv.AppendLine();
            
            // Prezzi
            csv.AppendLine("=== PRICES ===");
            csv.AppendLine($"Start Price,{stats.StartPrice:F2}");
            csv.AppendLine($"Current Price,{stats.CurrentPrice:F2}");
            csv.AppendLine($"Min Price,{stats.MinPrice:F2}");
            csv.AppendLine($"Max Price,{stats.MaxPrice:F2}");
            csv.AppendLine($"Avg Price,{stats.AvgPrice:F2}");
            csv.AppendLine();
            
            // Performance
            csv.AppendLine("=== PERFORMANCE ===");
            csv.AppendLine($"Avg Click Latency (ms),{stats.AvgClickLatencyMs}");
            csv.AppendLine($"Min Click Latency (ms),{stats.MinClickLatencyMs}");
            csv.AppendLine($"Max Click Latency (ms),{stats.MaxClickLatencyMs}");
            csv.AppendLine($"Bids Per Minute,{stats.BidsPerMinute:F2}");
            csv.AppendLine($"Resets Per Hour,{stats.ResetsPerHour:F2}");
            csv.AppendLine($"My Bid Success Rate,{stats.MyBidSuccessRate:F1}%");
            csv.AppendLine();
            
            // Competitor ranking
            csv.AppendLine("=== BIDDER RANKING ===");
            csv.AppendLine("Bidder,Bids Count");
            foreach (var bidder in stats.BidderRanking.OrderByDescending(b => b.Value))
            {
                csv.AppendLine($"\"{bidder.Key}\",{bidder.Value}");
            }
            
            File.WriteAllText(filePath, csv.ToString(), Encoding.UTF8);
        }
        
        /// <summary>
        /// Esporta tutte le aste in un unico CSV
        /// </summary>
        public static void ExportAllAuctions(IEnumerable<AuctionInfo> auctions, string filePath)
        {
            var csv = new StringBuilder();

            // Header AGGIORNATO
            csv.AppendLine("Auction ID,Name,Bid Before Deadline (ms),Check Before Bid,Min Price,Max Price,My Bids,Resets,Total Bidders,Active,Paused,Added At,Last Click At");

            // Data
            foreach (var auction in auctions)
            {
                var totalBidders = auction.BidderStats?.Count ?? 0;
                var myBids = auction.BidHistory.Count(h => h.EventType == BidEventType.MyBid);

                csv.AppendLine($"{auction.AuctionId}," +
                              $"\"{auction.Name}\"," +
                              $"{auction.BidBeforeDeadlineMs}," +
                              $"{auction.CheckAuctionOpenBeforeBid}," +
                              $"{auction.MinPrice:F2}," +
                              $"{auction.MaxPrice:F2}," +
                              $"{myBids}," +
                              $"{auction.ResetCount}," +
                              $"{totalBidders}," +
                              $"{auction.IsActive}," +
                              $"{auction.IsPaused}," +
                              $"{auction.AddedAt:yyyy-MM-dd HH:mm:ss}," +
                              $"{(auction.LastClickAt?.ToString("yyyy-MM-dd HH:mm:ss") ?? "")}");
            }

            File.WriteAllText(filePath, csv.ToString(), Encoding.UTF8);
        }
    }
}