Data-Coupler/Data_Coupler/Components/MaintenanceTab.razor

@inject ILogger<MaintenanceTab> Logger

<div class="settings-section">
    <h4>
        <i class="fas fa-tools text-success me-2"></i>
        Manutenzione Sistema
    </h4>
    <p class="text-muted">
        Strumenti per la manutenzione e l'ottimizzazione del sistema.
    </p>

    <div class="row">
        <div class="col-md-6">
            <div class="card">
                <div class="card-header">
                    <h5 class="card-title mb-0">
                        <i class="fas fa-database text-primary me-2"></i>
                        Database
                    </h5>
                </div>
                <div class="card-body">
                    <p class="card-text">Operazioni di manutenzione del database.</p>
                    
                    <div class="mb-3">
                        <h6>Stato Database</h6>
                        <div class="d-flex justify-content-between align-items-center">
                            <span>Dimensione:</span>
                            <span class="badge bg-info">@databaseStats.SizeMB MB</span>
                        </div>
                        <div class="d-flex justify-content-between align-items-center mt-1">
                            <span>Ultima ottimizzazione:</span>
                            <span class="text-muted">@databaseStats.LastOptimization.ToString("dd/MM/yyyy HH:mm")</span>
                        </div>
                    </div>

                    <div class="d-grid gap-2">
                        <button class="btn btn-outline-primary" @onclick="OptimizeDatabase" disabled="@isOptimizing">
                            @if (isOptimizing)
                            {
                                <div class="spinner-border spinner-border-sm me-2" role="status"></div>
                            }
                            else
                            {
                                <i class="fas fa-cogs me-1"></i>
                            }
                            Ottimizza Database
                        </button>

                        <button class="btn btn-outline-secondary" @onclick="AnalyzeDatabase" disabled="@isAnalyzing">
                            @if (isAnalyzing)
                            {
                                <div class="spinner-border spinner-border-sm me-2" role="status"></div>
                            }
                            else
                            {
                                <i class="fas fa-search me-1"></i>
                            }
                            Analizza Integrità
                        </button>

                        <button class="btn btn-outline-warning" @onclick="CompactDatabase" disabled="@isCompacting">
                            @if (isCompacting)
                            {
                                <div class="spinner-border spinner-border-sm me-2" role="status"></div>
                            }
                            else
                            {
                                <i class="fas fa-compress-alt me-1"></i>
                            }
                            Compatta Database
                        </button>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-md-6">
            <div class="card">
                <div class="card-header">
                    <h5 class="card-title mb-0">
                        <i class="fas fa-trash-alt text-warning me-2"></i>
                        Pulizia Sistema
                    </h5>
                </div>
                <div class="card-body">
                    <p class="card-text">Strumenti per la pulizia dei dati temporanei.</p>
                    
                    <div class="mb-3">
                        <h6>File temporanei</h6>
                        <div class="d-flex justify-content-between align-items-center">
                            <span>Dimensione cache:</span>
                            <span class="badge bg-secondary">@cleanupStats.CacheSizeMB MB</span>
                        </div>
                        <div class="d-flex justify-content-between align-items-center mt-1">
                            <span>File di log:</span>
                            <span class="badge bg-secondary">@cleanupStats.LogFileCount file</span>
                        </div>
                    </div>

                    <div class="d-grid gap-2">
                        <button class="btn btn-outline-warning" @onclick="ClearTempFiles" disabled="@isClearingTemp">
                            @if (isClearingTemp)
                            {
                                <div class="spinner-border spinner-border-sm me-2" role="status"></div>
                            }
                            else
                            {
                                <i class="fas fa-broom me-1"></i>
                            }
                            Pulisci File Temporanei
                        </button>

                        <button class="btn btn-outline-secondary" @onclick="ClearOldLogs" disabled="@isClearingLogs">
                            @if (isClearingLogs)
                            {
                                <div class="spinner-border spinner-border-sm me-2" role="status"></div>
                            }
                            else
                            {
                                <i class="fas fa-file-alt me-1"></i>
                            }
                            Pulisci Log Vecchi
                        </button>

                        <button class="btn btn-outline-info" @onclick="RefreshStats">
                            <i class="fas fa-sync-alt me-1"></i>
                            Aggiorna Statistiche
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <div class="row mt-4">
        <div class="col-md-12">
            <div class="card">
                <div class="card-header">
                    <h5 class="card-title mb-0">
                        <i class="fas fa-chart-line text-info me-2"></i>
                        Monitoraggio Performance
                    </h5>
                </div>
                <div class="card-body">
                    <div class="row">
                        <div class="col-md-3">
                            <div class="text-center">
                                <h6>Memoria Utilizzata</h6>
                                <div class="progress mb-2">
                                    <div class="progress-bar" role="progressbar" style="width: @(performanceStats.MemoryUsagePercent)%"></div>
                                </div>
                                <small class="text-muted">@performanceStats.MemoryUsageMB MB / @performanceStats.TotalMemoryMB MB</small>
                            </div>
                        </div>
                        <div class="col-md-3">
                            <div class="text-center">
                                <h6>CPU</h6>
                                <div class="progress mb-2">
                                    <div class="progress-bar bg-warning" role="progressbar" style="width: @(performanceStats.CpuUsagePercent)%"></div>
                                </div>
                                <small class="text-muted">@performanceStats.CpuUsagePercent%</small>
                            </div>
                        </div>
                        <div class="col-md-3">
                            <div class="text-center">
                                <h6>Connessioni Attive</h6>
                                <h4 class="text-primary">@performanceStats.ActiveConnections</h4>
                                <small class="text-muted">di @performanceStats.MaxConnections max</small>
                            </div>
                        </div>
                        <div class="col-md-3">
                            <div class="text-center">
                                <h6>Uptime</h6>
                                <h4 class="text-success">@performanceStats.UptimeHours h</h4>
                                <small class="text-muted">@performanceStats.StartTime.ToString("dd/MM HH:mm")</small>
                            </div>
                        </div>
                    </div>

                    <div class="mt-3">
                        <button class="btn btn-outline-primary" @onclick="GeneratePerformanceReport">
                            <i class="fas fa-file-chart-column me-1"></i>
                            Genera Report Performance
                        </button>
                        <button class="btn btn-outline-secondary ms-2" @onclick="RefreshPerformanceStats">
                            <i class="fas fa-sync-alt me-1"></i>
                            Aggiorna
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <div class="row mt-4">
        <div class="col-md-6">
            <div class="card">
                <div class="card-header">
                    <h5 class="card-title mb-0">
                        <i class="fas fa-calendar-check text-primary me-2"></i>
                        Manutenzione Programmata
                    </h5>
                </div>
                <div class="card-body">
                    <p class="card-text">Configurazione delle attività automatiche.</p>
                    
                    <div class="form-check mb-3">
                        <input class="form-check-input" type="checkbox" @bind="maintenanceSettings.AutoOptimizeEnabled" id="autoOptimize">
                        <label class="form-check-label" for="autoOptimize">
                            Ottimizzazione automatica database
                        </label>
                    </div>

                    <div class="form-check mb-3">
                        <input class="form-check-input" type="checkbox" @bind="maintenanceSettings.AutoCleanupEnabled" id="autoCleanup">
                        <label class="form-check-label" for="autoCleanup">
                            Pulizia automatica file temporanei
                        </label>
                    </div>

                    <div class="mb-3">
                        <label for="maintenanceTime" class="form-label">Orario manutenzione:</label>
                        <input type="time" class="form-control" id="maintenanceTime" @bind="maintenanceSettings.ScheduledTime">
                    </div>

                    <div class="mb-3">
                        <label for="maintenanceFrequency" class="form-label">Frequenza:</label>
                        <select class="form-select" id="maintenanceFrequency" @bind="maintenanceSettings.Frequency">
                            <option value="Daily">Giornaliera</option>
                            <option value="Weekly">Settimanale</option>
                            <option value="Monthly">Mensile</option>
                        </select>
                    </div>

                    <button class="btn btn-primary" @onclick="SaveMaintenanceSettings">
                        <i class="fas fa-save me-1"></i>
                        Salva Configurazione
                    </button>
                </div>
            </div>
        </div>

        <div class="col-md-6">
            <div class="card">
                <div class="card-header">
                    <h5 class="card-title mb-0">
                        <i class="fas fa-history text-info me-2"></i>
                        Storico Attività
                    </h5>
                </div>
                <div class="card-body">
                    <p class="card-text">Ultime operazioni di manutenzione.</p>
                    
                    <div class="maintenance-history">
                        @foreach (var activity in maintenanceHistory)
                        {
                            <div class="d-flex justify-content-between align-items-center mb-2">
                                <div>
                                    <i class="@GetActivityIcon(activity.Type) me-2"></i>
                                    @activity.Description
                                </div>
                                <small class="text-muted">@activity.Timestamp.ToString("dd/MM HH:mm")</small>
                            </div>
                        }
                    </div>

                    @if (!maintenanceHistory.Any())
                    {
                        <div class="text-muted text-center py-3">
                            <i class="fas fa-info-circle me-2"></i>
                            Nessuna attività di manutenzione recente
                        </div>
                    }

                    <button class="btn btn-outline-secondary btn-sm mt-2" @onclick="ClearMaintenanceHistory">
                        <i class="fas fa-trash-alt me-1"></i>
                        Pulisci Storico
                    </button>
                </div>
            </div>
        </div>
    </div>
</div>

@code {
    [Parameter] public EventCallback<(string message, string type)> OnShowToast { get; set; }

    private bool isOptimizing = false;
    private bool isAnalyzing = false;
    private bool isCompacting = false;
    private bool isClearingTemp = false;
    private bool isClearingLogs = false;

    private DatabaseStats databaseStats = new()
    {
        SizeMB = 12.5,
        LastOptimization = DateTime.Now.AddDays(-3)
    };

    private CleanupStats cleanupStats = new()
    {
        CacheSizeMB = 45.2,
        LogFileCount = 127
    };

    private PerformanceStats performanceStats = new()
    {
        MemoryUsageMB = 234,
        TotalMemoryMB = 512,
        MemoryUsagePercent = 45,
        CpuUsagePercent = 12,
        ActiveConnections = 3,
        MaxConnections = 100,
        UptimeHours = 72,
        StartTime = DateTime.Now.AddHours(-72)
    };

    private MaintenanceSettings maintenanceSettings = new()
    {
        AutoOptimizeEnabled = true,
        AutoCleanupEnabled = true,
        ScheduledTime = new TimeOnly(2, 0),
        Frequency = "Weekly"
    };

    private List<MaintenanceActivity> maintenanceHistory = new()
    {
        new MaintenanceActivity { Type = "Optimization", Description = "Database ottimizzato", Timestamp = DateTime.Now.AddHours(-6) },
        new MaintenanceActivity { Type = "Cleanup", Description = "File temporanei rimossi", Timestamp = DateTime.Now.AddDays(-1) },
        new MaintenanceActivity { Type = "Backup", Description = "Backup automatico completato", Timestamp = DateTime.Now.AddDays(-2) }
    };

    protected override async Task OnInitializedAsync()
    {
        await RefreshStats();
    }

    private async Task OptimizeDatabase()
    {
        try
        {
            isOptimizing = true;
            StateHasChanged();

            await Task.Delay(3000); // Simula ottimizzazione
            
            databaseStats.LastOptimization = DateTime.Now;
            AddMaintenanceActivity("Optimization", "Database ottimizzato");
            
            await OnShowToast.InvokeAsync(("Database ottimizzato con successo", "success"));
        }
        catch (Exception ex)
        {
            Logger.LogError(ex, "Errore ottimizzazione database");
            await OnShowToast.InvokeAsync(("Errore durante l'ottimizzazione", "error"));
        }
        finally
        {
            isOptimizing = false;
            StateHasChanged();
        }
    }

    private async Task AnalyzeDatabase()
    {
        try
        {
            isAnalyzing = true;
            StateHasChanged();

            await Task.Delay(2000);
            await OnShowToast.InvokeAsync(("Analisi completata: nessun problema rilevato", "success"));
        }
        catch (Exception ex)
        {
            Logger.LogError(ex, "Errore analisi database");
            await OnShowToast.InvokeAsync(("Errore durante l'analisi", "error"));
        }
        finally
        {
            isAnalyzing = false;
            StateHasChanged();
        }
    }

    private async Task CompactDatabase()
    {
        try
        {
            isCompacting = true;
            StateHasChanged();

            await Task.Delay(4000);
            
            databaseStats.SizeMB *= 0.8; // Simula riduzione dimensioni
            AddMaintenanceActivity("Compact", "Database compattato");
            
            await OnShowToast.InvokeAsync(("Database compattato con successo", "success"));
        }
        catch (Exception ex)
        {
            Logger.LogError(ex, "Errore compattazione database");
            await OnShowToast.InvokeAsync(("Errore durante la compattazione", "error"));
        }
        finally
        {
            isCompacting = false;
            StateHasChanged();
        }
    }

    private async Task ClearTempFiles()
    {
        try
        {
            isClearingTemp = true;
            StateHasChanged();

            await Task.Delay(1500);
            
            cleanupStats.CacheSizeMB = 0;
            AddMaintenanceActivity("Cleanup", "File temporanei rimossi");
            
            await OnShowToast.InvokeAsync(("File temporanei rimossi", "success"));
        }
        catch (Exception ex)
        {
            Logger.LogError(ex, "Errore pulizia file temporanei");
            await OnShowToast.InvokeAsync(("Errore durante la pulizia", "error"));
        }
        finally
        {
            isClearingTemp = false;
            StateHasChanged();
        }
    }

    private async Task ClearOldLogs()
    {
        try
        {
            isClearingLogs = true;
            StateHasChanged();

            await Task.Delay(1000);
            
            cleanupStats.LogFileCount = Math.Max(0, cleanupStats.LogFileCount - 50);
            AddMaintenanceActivity("LogCleanup", "Log vecchi rimossi");
            
            await OnShowToast.InvokeAsync(("Log vecchi rimossi", "success"));
        }
        catch (Exception ex)
        {
            Logger.LogError(ex, "Errore pulizia log");
            await OnShowToast.InvokeAsync(("Errore durante la pulizia log", "error"));
        }
        finally
        {
            isClearingLogs = false;
            StateHasChanged();
        }
    }

    private async Task RefreshStats()
    {
        await Task.Delay(300);
        // Simula aggiornamento statistiche
        cleanupStats.CacheSizeMB = Random.Shared.Next(20, 80);
        cleanupStats.LogFileCount = Random.Shared.Next(50, 200);
        StateHasChanged();
    }

    private async Task RefreshPerformanceStats()
    {
        await Task.Delay(500);
        // Simula aggiornamento performance
        performanceStats.MemoryUsagePercent = Random.Shared.Next(30, 70);
        performanceStats.CpuUsagePercent = Random.Shared.Next(5, 25);
        performanceStats.ActiveConnections = Random.Shared.Next(1, 10);
        StateHasChanged();
    }

    private async Task GeneratePerformanceReport()
    {
        await OnShowToast.InvokeAsync(("Report performance generato", "info"));
    }

    private async Task SaveMaintenanceSettings()
    {
        try
        {
            await Task.Delay(300);
            await OnShowToast.InvokeAsync(("Configurazione manutenzione salvata", "success"));
        }
        catch (Exception ex)
        {
            Logger.LogError(ex, "Errore salvataggio configurazione");
            await OnShowToast.InvokeAsync(("Errore salvataggio configurazione", "error"));
        }
    }

    private async Task ClearMaintenanceHistory()
    {
        maintenanceHistory.Clear();
        await OnShowToast.InvokeAsync(("Storico attività pulito", "info"));
        StateHasChanged();
    }

    private void AddMaintenanceActivity(string type, string description)
    {
        maintenanceHistory.Insert(0, new MaintenanceActivity
        {
            Type = type,
            Description = description,
            Timestamp = DateTime.Now
        });

        // Mantieni solo le ultime 10 attività
        if (maintenanceHistory.Count > 10)
        {
            maintenanceHistory.RemoveAt(maintenanceHistory.Count - 1);
        }
    }

    private string GetActivityIcon(string type) => type switch
    {
        "Optimization" => "fas fa-cogs text-primary",
        "Cleanup" => "fas fa-broom text-warning",
        "Backup" => "fas fa-download text-success",
        "Compact" => "fas fa-compress-alt text-info",
        "LogCleanup" => "fas fa-file-alt text-secondary",
        _ => "fas fa-cog text-muted"
    };

    private class DatabaseStats
    {
        public double SizeMB { get; set; }
        public DateTime LastOptimization { get; set; }
    }

    private class CleanupStats
    {
        public double CacheSizeMB { get; set; }
        public int LogFileCount { get; set; }
    }

    private class PerformanceStats
    {
        public int MemoryUsageMB { get; set; }
        public int TotalMemoryMB { get; set; }
        public int MemoryUsagePercent { get; set; }
        public int CpuUsagePercent { get; set; }
        public int ActiveConnections { get; set; }
        public int MaxConnections { get; set; }
        public int UptimeHours { get; set; }
        public DateTime StartTime { get; set; }
    }

    private class MaintenanceSettings
    {
        public bool AutoOptimizeEnabled { get; set; }
        public bool AutoCleanupEnabled { get; set; }
        public TimeOnly ScheduledTime { get; set; }
        public string Frequency { get; set; } = "Weekly";
    }

    private class MaintenanceActivity
    {
        public string Type { get; set; } = "";
        public string Description { get; set; } = "";
        public DateTime Timestamp { get; set; }
    }
}