/*
  * Copyright (c) 2025 LG Electronics Inc.
   * SPDX-License-Identifier: LicenseRef-LGE-Proprietary
   */
using System;
using Aurora.Api;
using Aurora.View;
using VisionCommon;
using MilPattern;
using Hermes;
using VisionCommonUI;
using VisionCommonUI.Resources;
using System.Windows.Input;

namespace MilUI {
    public class MultiOcrParamSettingViewModel : NotifyPropertyChangedBase, IDisposable {
        private Logger _logger = new Logger(typeof(MultiOcrParamSettingViewModel).Name);

        public ICommand CMD_Edit { get; }

        #region Binding Properties
        private PatternInfo _PatternInfo;
        public PatternInfo PatternInfo { get => _PatternInfo; set => SetProperty(ref _PatternInfo, value); }

        private eRoiIdx _RoiIdx;
        public eRoiIdx RoiIdx { get => _RoiIdx; set => SetProperty(ref _RoiIdx, value); }

        private OcrRunParam _runParam;
        public OcrRunParam RunParam { get => _runParam; set => SetProperty(ref _runParam, value); }
        #endregion

        private PatternAgentBase _patternAgent;
        private CameraDisplay _cameraDisplay;
        private FovInfo _fovInfo;

        public MultiOcrParamSettingViewModel(
            PatternAgentBase patternAgent, PatternInfo subPatternInfo, CameraDisplay cameraDisplay, FovInfo fovInfo, eRoiIdx roiIdx) {

            _patternAgent = patternAgent;
            _cameraDisplay = cameraDisplay;
            _fovInfo = fovInfo;

            PatternInfo = subPatternInfo;
            RoiIdx = roiIdx;

            CMD_Edit = new DelegateCommand(Edit);

            CreatePattern();
        }

        public void SetEnabled(bool isActivated) {
            PatternInfo.IsActivated = isActivated;
        }

        public void CreatePattern() {
            if (!_patternAgent.IsPatternExist(PatternInfo.GetPatternIndex())) {
                if (E1.OK == _patternAgent.Create(PatternInfo)) {
                    SetEnabled(false);
                    RunParam = new OcrRunParam();
                    _patternAgent.SetRunParam(PatternInfo, RunParam);

                    if (E1.OK != _patternAgent.Save(PatternInfo)) {
                        _logger.FuncE("Failed to save multi OCR.");
                    }
                }
                else {
                    _logger.FuncE("Failed to create multi OCR.");
                }
            }
            else {
                RunParam = (_patternAgent.GetRunParam(PatternInfo) as OcrRunParam).Clone() as OcrRunParam;
            }
        }

        private void Edit(object obj) {
            _patternAgent.ReloadPattern(PatternInfo);
            var window = new OcrSettingWindow(_patternAgent, PatternInfo, _cameraDisplay, _fovInfo, false);
            window.Show();
        }

        public void Clear() {
            var subPatternIndex = PatternInfo.GetPatternIndex();
            PatternInfo = _patternAgent.GetPatternInfo(subPatternIndex).Clone() as PatternInfo;
            RunParam = (_patternAgent.GetRunParam(PatternInfo) as OcrRunParam).Clone() as OcrRunParam;
        }

        public void Save() {
            _patternAgent.SetRunParam(PatternInfo, RunParam);
            _patternAgent.Save(PatternInfo);
        }

        public void Find() {
            var image = _cameraDisplay.GetImage();
            if (image == null) {
                MessageBoxUtil.ShowMessageBoxError(StrTokens.MSG_E_ImageNotReady);
                return;
            }

            if (PatternInfo.IsActivated) {
                var oldRunParam = _patternAgent.GetRunParam(PatternInfo) as OcrRunParam;
                _patternAgent.SetRunParam(PatternInfo, RunParam);
                var patternResult = _patternAgent.Find(PatternInfo, image);
                _patternAgent.Draw(PatternInfo, patternResult, _cameraDisplay);
                _patternAgent.SetRunParam(PatternInfo, oldRunParam);   // Find가 끝난 후, 원본 RunParam으로 복원
            }
        }

        public void Dispose() {
        }
    }
}