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

namespace MilPattern {
    public class BrightnessParamExt : ICloneable {
        private const string FILE_NAME = "BrightnessParamExt.json";

        public double AvgLow { get; set; } = 0;
        public double AvgHigh { get; set; } = 0;

        public ROI FindROI { get; set; } = new ROI();

        public BrightnessParamExt() {
        }

        public BrightnessParamExt(ROI findRoi) {
            FindROI = findRoi.Clone() as ROI;
        }

        public object Clone() {
            return new BrightnessParamExt() {
                AvgLow = AvgLow,
                AvgHigh = AvgHigh,
                FindROI = FindROI.Clone() as ROI
            };
        }

        internal static BrightnessParamExt Load(string dirPath) {
            string filePath = Path.Combine(dirPath, FILE_NAME);

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

            return new BrightnessParamExt();
        }

        internal static int Save(string dirPath, BrightnessParamExt brightnessParamExt) {
            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, brightnessParamExt);
            }

            return E1.OK;
        }
    }
}