using System.ComponentModel.DataAnnotations;
using PowderCoating.Core.Enums;

namespace PowderCoating.Application.DTOs.GiftCertificate;

public class GiftCertificateListDto
{
    public int Id { get; set; }
    public string CertificateCode { get; set; } = string.Empty;
    public decimal OriginalAmount { get; set; }
    public decimal RedeemedAmount { get; set; }
    public decimal RemainingBalance { get; set; }
    public string? RecipientName { get; set; }
    public string? RecipientEmail { get; set; }
    public GiftCertificateIssuedReason IssuedReason { get; set; }
    public GiftCertificateStatus Status { get; set; }
    public DateTime IssueDate { get; set; }
    public DateTime? ExpiryDate { get; set; }
}

public class GiftCertificateDto : GiftCertificateListDto
{
    public int? RecipientCustomerId { get; set; }
    public decimal? PurchasePrice { get; set; }
    public int? PurchasingCustomerId { get; set; }
    public string? PurchasingCustomerName { get; set; }
    public string? Notes { get; set; }
    public string? IssuedByName { get; set; }
    public List<GiftCertificateRedemptionDto> Redemptions { get; set; } = new();
}

public class GiftCertificateRedemptionDto
{
    public int Id { get; set; }
    public int GiftCertificateId { get; set; }
    public int InvoiceId { get; set; }
    public string InvoiceNumber { get; set; } = string.Empty;
    public decimal AmountRedeemed { get; set; }
    public DateTime RedeemedDate { get; set; }
    public string? RedeemedByName { get; set; }
}

public class CreateGiftCertificateDto
{
    [Required]
    [Range(1.00, 9999.99, ErrorMessage = "Amount must be between $1.00 and $9,999.99")]
    [Display(Name = "Certificate Amount")]
    public decimal Amount { get; set; }

    [Required]
    [Display(Name = "Issued Reason")]
    public GiftCertificateIssuedReason IssuedReason { get; set; } = GiftCertificateIssuedReason.Sold;

    [Range(0, 9999.99)]
    [Display(Name = "Purchase Price (if sold)")]
    public decimal? PurchasePrice { get; set; }

    [Display(Name = "Purchasing Customer")]
    public int? PurchasingCustomerId { get; set; }

    [Display(Name = "Recipient Customer")]
    public int? RecipientCustomerId { get; set; }

    [StringLength(200)]
    [Display(Name = "Recipient Name")]
    public string? RecipientName { get; set; }

    [EmailAddress]
    [StringLength(200)]
    [Display(Name = "Recipient Email")]
    public string? RecipientEmail { get; set; }

    [Display(Name = "Expiry Date (optional)")]
    public DateTime? ExpiryDate { get; set; }

    [StringLength(1000)]
    [Display(Name = "Notes")]
    public string? Notes { get; set; }
}

public class RedeemGiftCertificateDto
{
    [Required]
    public string CertificateCode { get; set; } = string.Empty;

    [Required]
    [Range(0.01, 9999.99)]
    public decimal Amount { get; set; }
}

public class BulkCreateGiftCertificateDto
{
    [Required]
    [Range(1, 500, ErrorMessage = "Quantity must be between 1 and 500.")]
    [Display(Name = "Number of Certificates")]
    public int Quantity { get; set; } = 25;

    [Required]
    [Range(1.00, 9999.99, ErrorMessage = "Amount must be between $1.00 and $9,999.99.")]
    [Display(Name = "Face Value (each)")]
    public decimal Amount { get; set; }

    [Required]
    [Display(Name = "Issued Reason")]
    public GiftCertificateIssuedReason IssuedReason { get; set; } = GiftCertificateIssuedReason.Promotional;

    [Display(Name = "Expiry Date (optional)")]
    public DateTime? ExpiryDate { get; set; }

    [StringLength(1000)]
    [Display(Name = "Event / Notes (applied to all certificates)")]
    public string? Notes { get; set; }
}