/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using VisionCommon;
using Hermes;
using Newtonsoft.Json;
using System;
using System.IO;

namespace MilPattern {
    public class StrReadParamExt : ICloneable {
        public bool Enabled { get; set; } = true;

        public object Clone() {
            return new StrReadParamExt() {
                Enabled = this.Enabled,
            };
        }
    }

    public class OcrReadParamExt : ICloneable {
        public bool Enabled { get; set; } = false;

        public object Clone() {
            return new OcrReadParamExt() {
                Enabled = this.Enabled,
            };
        }
    }

    public class TesseractParamExt : ICloneable {
        public bool Enabled { get; set; } = false;
        public string WhiteList { get; set; } = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 ";                    // 대문자+숫자+공백
        public string BlackList { get; set; } = "abcdefghijklmnopqrstuvwxyz!@#$%^&*+=[]{}|;:'\",<>/?";      // 소문자+특수문자

        public object Clone() {
            return new TesseractParamExt() {
                Enabled = this.Enabled,
                WhiteList = this.WhiteList,
                BlackList = this.BlackList
            };
        }
    }

    public class OcrParamExt : ICloneable {
        private const string FILE_NAME = "OcrParamExt.json";

        public StrReadParamExt StrReadParamExt { get; set; } = new StrReadParamExt();
        public OcrReadParamExt OcrReadParamExt { get; set;} = new OcrReadParamExt();
        public TesseractParamExt TesseractParamExt { get; set; } = new TesseractParamExt();
        public bool NoLengthLimit { get; set; } = true;        // 판독할 문자열 길이 제한X
        public int CustomTextLength { get; set; } = 10;        // 판독할 문자열 길이 (정확한 문자열 길이를 입력해야 정답으로 판정됨.)
        public double Acceptance { get; set; } = 70;
        public ROI FindROI { get; set; } = new ROI();

        public OcrParamExt() {
        }

        public OcrParamExt(
            StrReadParamExt strReadParamExt, OcrReadParamExt ocrReadParamExt, TesseractParamExt tesseractParamExt,
            bool noLengthLimit, int customTextLength, double acceptance, ROI findRoi) {

            StrReadParamExt = strReadParamExt.Clone() as StrReadParamExt;
            OcrReadParamExt = ocrReadParamExt.Clone() as OcrReadParamExt;
            TesseractParamExt = tesseractParamExt.Clone() as TesseractParamExt;
            NoLengthLimit = noLengthLimit;
            CustomTextLength = customTextLength;
            Acceptance = acceptance;
            FindROI = findRoi.Clone() as ROI;
        }

        public object Clone() {
            return new OcrParamExt() {
                StrReadParamExt = this.StrReadParamExt.Clone() as StrReadParamExt,
                OcrReadParamExt = this.OcrReadParamExt.Clone() as OcrReadParamExt,
                TesseractParamExt = this.TesseractParamExt.Clone() as TesseractParamExt,
                NoLengthLimit = this.NoLengthLimit,
                CustomTextLength = this.CustomTextLength,
                Acceptance = this.Acceptance,
                FindROI = this.FindROI.Clone() as ROI
            };
        }

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

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

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

            return new OcrParamExt();
        }

        public static int Save(string dirPath, OcrParamExt paramExt) {
            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, paramExt);
            }

            return E1.OK;
        }
    }
}