using LMS.Common.Enum;
using Newtonsoft.Json;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace LMS.Repository.DB;

public class Options
{
    [Key]
    public required string Key { get; set; } = string.Empty;

    /// <summary>
    /// Value of the option，这个值是一个json字符串
    /// </summary>
    public string? Value { get; set; } = string.Empty;

    public OptionTypeEnum Type { get; set; } = OptionTypeEnum.String;

    // 写一个字段，映射Value，判断是不是json字符串，是的话就解析成对象
    [NotMapped]
    public object? ValueObject
    {
        get
        {
            if (string.IsNullOrEmpty(Value))
            {
                return Value;
            }

            if (Type == OptionTypeEnum.JSON)
            {
                return JsonConvert.DeserializeObject(Value ?? "{}");
            }

            if (Type == OptionTypeEnum.Number)
            {
                return Convert.ToDouble(Value);
            }

            return Value;
        }
        set
        {
            if (value == null)
            {
                Value = string.Empty;
                return;
            }

            if (Type == OptionTypeEnum.JSON)
            {
                Value = JsonConvert.SerializeObject(value);
            }
            else
            {
                Value = value.ToString();
            }
        }
    }
}