using Hermes;
using Newtonsoft.Json;
using System;
using System.IO;

namespace VisionCommon {
    public class PatternBlockParamExt : ICloneable {
        private const string FILE_NAME = "PatternBlockParamExt.json";

        public int PatternId1 { get; set; } = -1;
        public int PatternId2 { get; set; } = -1;

        public object Clone() {
            return new PatternBlockParamExt() {
                PatternId1 = PatternId1,
                PatternId2 = PatternId2,
            };
        }

        public static bool Exists(string dirPath) {
            string filePath = Path.Combine(dirPath, FILE_NAME);
            return File.Exists(filePath);
        }

        public static PatternBlockParamExt Load(string dirPath) {
            string filePath = Path.Combine(dirPath, FILE_NAME);

            if (File.Exists(filePath)) {
                return JsonConvert.DeserializeObject(
                    File.ReadAllText(filePath), typeof(PatternBlockParamExt)) as PatternBlockParamExt;
            }

            return new PatternBlockParamExt();
        }

        public static int Save(string dirPath, PatternBlockParamExt PatternBlockParam) {
            string filePath = Path.Combine(dirPath, FILE_NAME);

            if (!Directory.Exists(dirPath)) {
                Directory.CreateDirectory(dirPath);
            }

            using (var fs = File.Create(filePath))
            using (var sw = new StreamWriter(fs))
            using (var jtw = new JsonTextWriter(sw) {
                Formatting = Formatting.Indented,
                Indentation = 2,
            }) {
                (new JsonSerializer()).Serialize(jtw, PatternBlockParam);
            }

            return E1.OK;
        }
    }
}