using System.ComponentModel.DataAnnotations.Schema;

namespace HyperBooru;

public enum TagSource {
    Internal,
    UserTag
}

public class TagDefinition : HBObject {
    public         TagSource           Source       { get; set; } = TagSource.Internal;
    public         string?             Namespace    { get; set; }
    public         string              Name         { get; set; }
    public         string?             Alias        { get; set; }
    public virtual List<TagDefinition> ImplicitTags { get; set; } = new();

    public static explicit operator ApiModels.TagDefinition(TagDefinition tagDefinition) => new() {
        TagDefinitionId = tagDefinition.Guid,
        Namespace       = tagDefinition.Namespace,
        Name            = tagDefinition.Name,
        Alias           = tagDefinition.Alias,
        ImplicitTags    = tagDefinition.ImplicitTags.Select(td => td.Guid).ToArray()
    };
}

public class Tag : HBObject {
    [ForeignKey("ObjectId")]
    public         int           TagDefinitionId { get; set; }
    public virtual TagDefinition TagDefinition   { get; set; }
    public         DateTime      CreateTime      { get; set; } = DateTime.UtcNow;
    public virtual HBObject      Target          { get; set; }

    public Tag() {}

    public Tag(TagDefinition tagDef) =>
        this.TagDefinition = tagDef;
}