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

using Newtonsoft.Json;

namespace Szmedi.RevitToolkit.Approval.Assists
{
    internal class PropertyAssists
    {
        private static Dictionary<string, Dictionary<string, string>> _defaults;
        // 默认初始值：程序目录下的 PropertyDefaults.json
        private static string _filePath = Path.Combine(GlobalAssists.DirAssembly, "PropertyDefaults.json");

        public static void Load(string filePath = null)
        {
            if (!string.IsNullOrEmpty(filePath))
                _filePath = filePath;
            if (!File.Exists(_filePath))
            {
                _defaults = new Dictionary<string, Dictionary<string, string>>();
                var emptyJson = JsonConvert.SerializeObject(_defaults, Formatting.Indented);
                File.WriteAllText(_filePath, emptyJson);
                return;
            }
            var json = File.ReadAllText(_filePath);
            _defaults = JsonConvert.DeserializeObject<Dictionary<string, Dictionary<string, string>>>(json);
        }

        public static string GetDefaultValue(string definitionName, string propName)
        {
            if (_defaults == null) return null;
            if (_defaults.TryGetValue(definitionName, out var props))
            {
                if (props.TryGetValue(propName, out var value))
                    return value;
            }
            return null;
        }

        // 新增：设置属性默认值
        public static void SetDefaultValue(string definitionName, string propName, string value)
        {
            if (_defaults == null)
                _defaults = new Dictionary<string, Dictionary<string, string>>();

            if (!_defaults.TryGetValue(definitionName, out var props))
            {
                props = new Dictionary<string, string>();
                _defaults[definitionName] = props;
            }
            props[propName] = value;
        }

        // 新增：保存到文件
        public static void Save()
        {
            if (string.IsNullOrEmpty(_filePath) || _defaults == null) return;
            var json = JsonConvert.SerializeObject(_defaults, Formatting.Indented);
            File.WriteAllText(_filePath, json);
        }
    }
}