using Core.Blueprint.Mongo;
using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;
using System.Text.Json.Serialization;

public class Document : IDocument
{
    /// <summary>
    /// Gets or sets the MongoDB ObjectId for the document. 
    /// This property is automatically generated if not provided. 
    /// It is used as the primary key for the document in MongoDB.
    /// </summary>
    [BsonId]
    [BsonElement("_id")]
    [BsonRepresentation(BsonType.ObjectId)]
    [JsonPropertyName("_id")]
    public string _Id { get; init; }

    /// <summary>
    /// Gets or sets a unique identifier for the document, represented as a string (GUID).
    /// This value is automatically generated if not provided and can be used as a secondary key.
    /// </summary>
    [BsonElement("id")]
    [BsonRepresentation(BsonType.String)]
    [JsonPropertyName("id")]
    public string Id { get; init; }

    /// <summary>
    /// Gets or sets the timestamp of when the document was created. 
    /// This value is automatically set to the current UTC time when the document is created.
    /// </summary>
    [BsonElement("createdAt")]
    [BsonRepresentation(BsonType.DateTime)]
    [JsonPropertyName("createdAt")]
    public DateTime CreatedAt { get; init; }

    /// <summary>
    /// Gets or sets the user or system who created the document.
    /// This field can be used for audit purposes.
    /// </summary>
    [BsonElement("createdBy")]
    [BsonRepresentation(BsonType.String)]
    [JsonPropertyName("createdBy")]
    public string? CreatedBy { get; set; }

    /// <summary>
    /// Gets or sets the timestamp of when the document was last updated.
    /// This value is nullable and will be set to null if the document has never been updated.
    /// </summary>
    [BsonElement("updatedAt")]
    [BsonRepresentation(BsonType.DateTime)]
    [JsonPropertyName("updatedAt")]
    public DateTime? UpdatedAt { get; set; } = null;

    /// <summary>
    /// Gets or sets the user or system who last updated the document.
    /// This field can be used for audit purposes.
    /// </summary>
    [BsonElement("updatedBy")]
    [BsonRepresentation(BsonType.String)]
    [JsonPropertyName("updatedBy")]
    public string? UpdatedBy { get; set; } = null;

    /// <summary>
    /// Gets or sets the status of the document. 
    /// The status is represented by an enum and defaults to <see cref="StatusEnum.Active"/>.
    /// </summary>
    [BsonElement("status")]
    [BsonRepresentation(BsonType.String)]
    [JsonPropertyName("status")]
    [JsonConverter(typeof(JsonStringEnumConverter))]
    public StatusEnum? Status { get; set; }

    public Document()
    {
        _Id = ObjectId.GenerateNewId().ToString();
        Id = Guid.NewGuid().ToString();
        CreatedAt = DateTime.UtcNow;
        Status = StatusEnum.Active;
    }
}