using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;

namespace DH.Commons.Base
{
    [Serializable]
    public class VisualLocalization
    {
        // 必须包含公共无参构造函数
        public VisualLocalization() { }

        public string CameraName { get; set; }
        public string ModelPath { get; set; }
        public string ImgPath { get; set; }
        public string Threshold { get; set; }
        public string Direction { get; set; }
        public string Speed { get; set; }

        // 保存到文件
        public void SaveToFile(string filePath)
        {
            try
            {
                var options = new JsonSerializerOptions
                {
                    WriteIndented = true,          // 美化格式
                    IgnoreNullValues = true        // 忽略空值
                };

                string json = JsonSerializer.Serialize(this, options);
                File.WriteAllText(filePath, json);
            }
            catch (Exception ex)
            {
                throw new InvalidOperationException($"保存失败: {ex.Message}");
            }
        }

        // 从文件加载
        public static VisualLocalization LoadFromFile(string filePath)
        {
            if (!File.Exists(filePath))
                throw new FileNotFoundException("文件不存在", filePath);

            try
            {
                string json = File.ReadAllText(filePath);
                return JsonSerializer.Deserialize<VisualLocalization>(json);
            }
            catch (JsonException ex)
            {
                throw new InvalidOperationException($"JSON解析错误: {ex.Message}");
            }
            catch (IOException ex)
            {
                throw new InvalidOperationException($"文件读取失败: {ex.Message}");
            }
        }
    }
}