using System.ComponentModel.DataAnnotations;
using System.Text.Json.Serialization;
using CredentialManager.Models;

namespace Data_Coupler.Models;

/// <summary>
/// Modello per l'export/import completo dei dati di backup
/// </summary>
public class SystemBackupData
{
    [JsonPropertyName("metadata")]
    public BackupMetadata Metadata { get; set; } = new();

    [JsonPropertyName("profiles")]
    public List<DataCouplerProfileBackup> Profiles { get; set; } = new();

    [JsonPropertyName("credentials")]
    public List<CredentialBackup> Credentials { get; set; } = new();

    [JsonPropertyName("keyAssociations")]
    public List<KeyAssociationBackup> KeyAssociations { get; set; } = new();

    [JsonPropertyName("profileSchedules")]
    public List<ProfileScheduleBackup> ProfileSchedules { get; set; } = new();
}

/// <summary>
/// Metadati del backup
/// </summary>
public class BackupMetadata
{
    [JsonPropertyName("version")]
    public string Version { get; set; } = "1.0";

    [JsonPropertyName("createdAt")]
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;

    [JsonPropertyName("createdBy")]
    public string? CreatedBy { get; set; }

    [JsonPropertyName("applicationVersion")]
    public string ApplicationVersion { get; set; } = "1.0.0";

    [JsonPropertyName("totalRecords")]
    public BackupRecordCount RecordCounts { get; set; } = new();

    [JsonPropertyName("description")]
    public string? Description { get; set; }
}

/// <summary>
/// Conteggio record nel backup
/// </summary>
public class BackupRecordCount
{
    [JsonPropertyName("profiles")]
    public int Profiles { get; set; }

    [JsonPropertyName("credentials")]
    public int Credentials { get; set; }

    [JsonPropertyName("keyAssociations")]
    public int KeyAssociations { get; set; }

    [JsonPropertyName("profileSchedules")]
    public int ProfileSchedules { get; set; }
}

/// <summary>
/// Backup di un profilo DataCoupler
/// </summary>
public class DataCouplerProfileBackup
{
    [JsonPropertyName("id")]
    public int Id { get; set; }

    [JsonPropertyName("name")]
    public string Name { get; set; } = string.Empty;

    [JsonPropertyName("description")]
    public string? Description { get; set; }

    [JsonPropertyName("sourceType")]
    public string SourceType { get; set; } = string.Empty;

    [JsonPropertyName("sourceCredentialName")]
    public string? SourceCredentialName { get; set; }

    [JsonPropertyName("sourceDatabaseName")]
    public string? SourceDatabaseName { get; set; }

    [JsonPropertyName("sourceSchema")]
    public string? SourceSchema { get; set; }

    [JsonPropertyName("sourceTable")]
    public string? SourceTable { get; set; }

    [JsonPropertyName("sourceCustomQuery")]
    public string? SourceCustomQuery { get; set; }

    [JsonPropertyName("sourceFilePath")]
    public string? SourceFilePath { get; set; }

    [JsonPropertyName("destinationType")]
    public string DestinationType { get; set; } = string.Empty;

    [JsonPropertyName("destinationCredentialName")]
    public string? DestinationCredentialName { get; set; }

    [JsonPropertyName("destinationSchema")]
    public string? DestinationSchema { get; set; }

    [JsonPropertyName("destinationTable")]
    public string? DestinationTable { get; set; }

    [JsonPropertyName("destinationEndpoint")]
    public string? DestinationEndpoint { get; set; }

    [JsonPropertyName("fieldMappings")]
    public List<FieldMappingDto>? FieldMappings { get; set; }

    [JsonPropertyName("sourceKeyField")]
    public string? SourceKeyField { get; set; }

    [JsonPropertyName("useRecordAssociations")]
    public bool UseRecordAssociations { get; set; }

    [JsonPropertyName("createdBy")]
    public string? CreatedBy { get; set; }

    [JsonPropertyName("createdAt")]
    public DateTime CreatedAt { get; set; }

    [JsonPropertyName("lastUsedAt")]
    public DateTime? LastUsedAt { get; set; }

    [JsonPropertyName("isActive")]
    public bool IsActive { get; set; } = true;
}

/// <summary>
/// Backup di una credenziale (dati sensibili esclusi per sicurezza)
/// </summary>
public class CredentialBackup
{
    [JsonPropertyName("id")]
    public int Id { get; set; }

    [JsonPropertyName("name")]
    public string Name { get; set; } = string.Empty;

    [JsonPropertyName("type")]
    public string Type { get; set; } = string.Empty;

    [JsonPropertyName("databaseType")]
    public string? DatabaseType { get; set; }

    [JsonPropertyName("host")]
    public string? Host { get; set; }

    [JsonPropertyName("port")]
    public int? Port { get; set; }

    [JsonPropertyName("databaseName")]
    public string? DatabaseName { get; set; }

    [JsonPropertyName("username")]
    public string? Username { get; set; }

    // NOTA: Password, API Keys e Token NON vengono inclusi nel backup per sicurezza

    [JsonPropertyName("commandTimeout")]
    public int CommandTimeout { get; set; } = 30;

    [JsonPropertyName("timeoutSeconds")]
    public int TimeoutSeconds { get; set; } = 100;

    [JsonPropertyName("ignoreSslErrors")]
    public bool IgnoreSslErrors { get; set; } = false;

    [JsonPropertyName("restServiceType")]
    public string? RestServiceType { get; set; }

    [JsonPropertyName("headers")]
    public string? Headers { get; set; }

    [JsonPropertyName("additionalParameters")]
    public string? AdditionalParameters { get; set; }

    [JsonPropertyName("createdAt")]
    public DateTime CreatedAt { get; set; }

    [JsonPropertyName("updatedAt")]
    public DateTime? UpdatedAt { get; set; }

    [JsonPropertyName("createdBy")]
    public string? CreatedBy { get; set; }

    [JsonPropertyName("isActive")]
    public bool IsActive { get; set; } = true;
}

/// <summary>
/// Backup di un'associazione chiave
/// </summary>
public class KeyAssociationBackup
{
    [JsonPropertyName("id")]
    public int Id { get; set; }

    [JsonPropertyName("keyValue")]
    public string KeyValue { get; set; } = string.Empty;

    [JsonPropertyName("sourceKeyField")]
    public string SourceKeyField { get; set; } = string.Empty;

    [JsonPropertyName("destinationKeyField")]
    public string DestinationKeyField { get; set; } = string.Empty;

    [JsonPropertyName("destinationEntity")]
    public string DestinationEntity { get; set; } = string.Empty;

    [JsonPropertyName("destinationId")]
    public string DestinationId { get; set; } = string.Empty;

    [JsonPropertyName("restCredentialName")]
    public string RestCredentialName { get; set; } = string.Empty;

    [JsonPropertyName("createdAt")]
    public DateTime CreatedAt { get; set; }

    [JsonPropertyName("updatedAt")]
    public DateTime? UpdatedAt { get; set; }

    [JsonPropertyName("lastVerifiedAt")]
    public DateTime? LastVerifiedAt { get; set; }

    [JsonPropertyName("isActive")]
    public bool IsActive { get; set; } = true;

    [JsonPropertyName("dataHash")]
    public string? DataHash { get; set; }

    [JsonPropertyName("sourcesInfo")]
    public string? SourcesInfo { get; set; }

    [JsonPropertyName("additionalInfo")]
    public string? AdditionalInfo { get; set; }
}

/// <summary>
/// Backup di una schedule profilo
/// </summary>
public class ProfileScheduleBackup
{
    [JsonPropertyName("id")]
    public int Id { get; set; }

    [JsonPropertyName("profileName")]
    public string ProfileName { get; set; } = string.Empty;

    [JsonPropertyName("scheduleType")]
    public string ScheduleType { get; set; } = string.Empty; // "daily", "weekly", "monthly"

    [JsonPropertyName("dailyExecutionTime")]
    public TimeSpan? DailyExecutionTime { get; set; }

    [JsonPropertyName("weeklyDayOfWeek")]
    public int? WeeklyDayOfWeek { get; set; } // 0 = Sunday, 1 = Monday, etc.

    [JsonPropertyName("monthlyDayOfMonth")]
    public int? MonthlyDayOfMonth { get; set; } // 1-31

    [JsonPropertyName("isActive")]
    public bool IsActive { get; set; } = true;

    [JsonPropertyName("isPaused")]
    public bool IsPaused { get; set; } = false;

    [JsonPropertyName("lastExecuted")]
    public DateTime? LastExecuted { get; set; }

    [JsonPropertyName("nextExecution")]
    public DateTime? NextExecution { get; set; }

    [JsonPropertyName("createdAt")]
    public DateTime CreatedAt { get; set; }

    [JsonPropertyName("createdBy")]
    public string? CreatedBy { get; set; }

    [JsonPropertyName("enableDeletionSync")]
    public bool EnableDeletionSync { get; set; } = false;
}

/// <summary>
/// Risultato dell'operazione di backup/restore
/// </summary>
public class BackupOperationResult
{
    public bool Success { get; set; }
    public string? Message { get; set; }
    public TimeSpan Duration { get; set; }
    public BackupRecordCount ProcessedCounts { get; set; } = new();
    public List<string> Warnings { get; set; } = new();
    public List<string> Errors { get; set; } = new();
    public string? FilePath { get; set; }
}

/// <summary>
/// Opzioni per l'operazione di backup
/// </summary>
public class BackupOptions
{
    public bool IncludeProfiles { get; set; } = true;
    public bool IncludeCredentials { get; set; } = true;
    public bool IncludeKeyAssociations { get; set; } = true;
    public bool IncludeProfileSchedules { get; set; } = true;
    public bool IncludeOnlyActiveRecords { get; set; } = true;
    public string? Description { get; set; }
    public string? CreatedBy { get; set; }
}

/// <summary>
/// Opzioni per l'operazione di restore
/// </summary>
public class RestoreOptions
{
    public bool RestoreProfiles { get; set; } = true;
    public bool RestoreCredentials { get; set; } = false; // Default false per sicurezza
    public bool RestoreKeyAssociations { get; set; } = true;
    public bool RestoreProfileSchedules { get; set; } = true;
    public bool OverwriteExisting { get; set; } = false;
    public bool CreateBackupBeforeRestore { get; set; } = true;
    public string? ImportedBy { get; set; }
}