namespace LittleShop.DTOs;

/// <summary>
/// Complete customer data export for GDPR "Right to Data Portability" compliance.
/// Contains all personal data stored about a customer.
/// </summary>
public class CustomerDataExportDto
{
    // Customer Profile
    public Guid CustomerId { get; set; }
    public long TelegramUserId { get; set; }
    public string TelegramUsername { get; set; } = string.Empty;
    public string TelegramDisplayName { get; set; } = string.Empty;
    public string TelegramFirstName { get; set; } = string.Empty;
    public string TelegramLastName { get; set; } = string.Empty;
    public string? Email { get; set; }
    public string? PhoneNumber { get; set; }

    // Preferences
    public bool AllowMarketing { get; set; }
    public bool AllowOrderUpdates { get; set; }
    public string Language { get; set; } = string.Empty;
    public string Timezone { get; set; } = string.Empty;

    // Metrics
    public int TotalOrders { get; set; }
    public decimal TotalSpent { get; set; }
    public decimal AverageOrderValue { get; set; }
    public DateTime? FirstOrderDate { get; set; }
    public DateTime? LastOrderDate { get; set; }

    // Account Status
    public bool IsBlocked { get; set; }
    public string? BlockReason { get; set; }
    public int RiskScore { get; set; }
    public string? CustomerNotes { get; set; }

    // Timestamps
    public DateTime CreatedAt { get; set; }
    public DateTime UpdatedAt { get; set; }
    public DateTime LastActiveAt { get; set; }
    public DateTime? DataRetentionDate { get; set; }

    // Related Data
    public List<CustomerOrderExportDto> Orders { get; set; } = new();
    public List<CustomerMessageExportDto> Messages { get; set; } = new();
    public List<CustomerReviewExportDto> Reviews { get; set; } = new();
}

/// <summary>
/// Order data included in customer export
/// </summary>
public class CustomerOrderExportDto
{
    public Guid OrderId { get; set; }
    public string Status { get; set; } = string.Empty;
    public decimal TotalAmount { get; set; }
    public string Currency { get; set; } = string.Empty;
    public DateTime OrderDate { get; set; }

    // Shipping Information
    public string ShippingName { get; set; } = string.Empty;
    public string ShippingAddress { get; set; } = string.Empty;
    public string ShippingCity { get; set; } = string.Empty;
    public string ShippingPostCode { get; set; } = string.Empty;
    public string ShippingCountry { get; set; } = string.Empty;

    // Tracking
    public string? TrackingNumber { get; set; }
    public DateTime? EstimatedDeliveryDate { get; set; }
    public DateTime? ActualDeliveryDate { get; set; }

    public string? Notes { get; set; }

    // Order Items
    public List<CustomerOrderItemExportDto> Items { get; set; } = new();
}

/// <summary>
/// Order item data included in customer export
/// </summary>
public class CustomerOrderItemExportDto
{
    public string ProductName { get; set; } = string.Empty;
    public string? VariantName { get; set; }
    public int Quantity { get; set; }
    public decimal UnitPrice { get; set; }
    public decimal TotalPrice { get; set; }
}

/// <summary>
/// Message data included in customer export
/// </summary>
public class CustomerMessageExportDto
{
    public DateTime SentAt { get; set; }
    public string MessageType { get; set; } = string.Empty;
    public string Content { get; set; } = string.Empty;
    public bool WasRead { get; set; }
    public DateTime? ReadAt { get; set; }
}

/// <summary>
/// Review data included in customer export
/// </summary>
public class CustomerReviewExportDto
{
    public Guid ProductId { get; set; }
    public string ProductName { get; set; } = string.Empty;
    public int Rating { get; set; }
    public string? Comment { get; set; }
    public DateTime CreatedAt { get; set; }
    public bool IsApproved { get; set; }
    public bool IsVerifiedPurchase { get; set; }
}