using AyCode.Core.Serializers.Attributes;
using AyCode.Core.Serializers.Toons;
using FruitBank.Common.Enums;
using LinqToDB.Mapping;
using Mango.Nop.Core.Entities;

namespace FruitBank.Common.Entities;

[AcBinarySerializable(false, true, false, true, false, false)]
[Table(Name = FruitBankConstClient.OrderDraftDbTableName)]
[System.ComponentModel.DataAnnotations.Schema.Table(FruitBankConstClient.OrderDraftDbTableName)]
[ToonDescription("AI-parsed order draft created from an incoming text message", Purpose = "Temporary order intent parsed from a free-text message (Viber, email, dictation). Contains the original raw message and AI-resolved line items. An admin must review and approve within 24 hours; drafts are auto-expired after 14 days. Approval converts the draft into a PreOrder or Order depending on ParsedDeliveryDate.")]
public sealed class OrderDraft : MgEntityBase
{
    [ToonDescription(Purpose = "The external identifier of the sender (e.g. Viber user ID, email address). Used to look up the mapped NopCommerce CustomerId via ExternalUserPartnerMap.")]
    public string ExternalUsername { get; set; } = string.Empty;

    [ToonDescription(Purpose = "FK to the NopCommerce Customer resolved from ExternalUsername. Null if no mapping exists yet — admin must assign before approval.")]
    public int? CustomerId { get; set; }

    [ToonDescription(Purpose = "The full original message text as received. Stored verbatim and shown to the admin during review.")]
    public string RawMessageText { get; set; } = string.Empty;

    [ToonDescription(Purpose = "Delivery date parsed from the message by AI. Drives IsPreorder logic on each item (>4 days ahead = preorder).")]
    public DateTime ParsedDeliveryDate { get; set; }

    [ToonDescription(Purpose = "Draft lifecycle: Pending / Approved / Rejected / Expired.",
        BusinessRule = "Pending on creation. Admin sets Approved or Rejected. Background job sets Expired after 14 days if still Pending.")]
    public OrderDraftStatus Status { get; set; }

    [ToonDescription(Purpose = "Admin who resolved (approved or rejected) this draft. Null until resolved.")]
    public int? ResolvedByAdminId { get; set; }

    [ToonDescription(Purpose = "Optional admin note on rejection.")]
    public string? AdminNote { get; set; }

    public DateTime CreatedOnUtc { get; set; }
    public DateTime? ResolvedOnUtc { get; set; }

    public List<OrderDraftItem> Items { get; set; } = [];
}