using ComPDFKitViewer;
using ComPDFKitViewer.AnnotEvent;
using PDF_Master.Model;
using Prism.Commands;
using Prism.Mvvm;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;

namespace PDF_Master.ViewModels.Dialog.Redaction
{
    public class MarkSettingDialogViewModel : BindableBase, IDialogAware
    {
        public string Title => "";

        public event Action<IDialogResult> RequestClose;

        private RedactionAnnotArgs annotArgs;
        public DelegateCommand OkCommand { get; set; }

        public DelegateCommand CancelCommand { get; set; }

        public DelegateCommand<string> AlignCommand { get; set; }


        private Color lineColor;

        public Color LineColor
        {
            get { return lineColor; }
            set
            {
                SetProperty(ref lineColor, value);
            }
        }

        private Color bgColor;

        public Color BgColor
        {
            get { return bgColor; }
            set
            {
                SetProperty(ref bgColor, value);
            }
        }

        private Color fontColor;

        public Color FontColor
        {
            get { return fontColor; }
            set
            {
                SetProperty(ref fontColor, value);
            }
        }


        private bool isUserText;

        public bool IsUseText
        {
            get { return isUserText; }
            set
            {
                SetProperty(ref isUserText, value);
            }
        }

        private bool leftChecked = true;

        public bool LeftChecked
        {
            get { return leftChecked; }
            set
            {
                SetProperty(ref leftChecked, value);
            }
        }

        private bool centerChecked;

        public bool CenterChecked
        {
            get { return centerChecked; }
            set
            {
                SetProperty(ref centerChecked, value);
            }
        }


        private bool rightChecked;

        public bool RightChecked
        {
            get { return rightChecked; }
            set
            {
                SetProperty(ref rightChecked, value);
            }
        }

        private bool strechChecked;

        public bool StrechChecked
        {
            get { return strechChecked; }
            set
            {
                SetProperty(ref strechChecked, value);
            }
        }


        private string overText;

        public string OvertText
        {
            get { return overText; }
            set
            {
                SetProperty(ref overText, value);
            }
        }

        private int fontFamilySelectedIndex;

        public int FontFamilySelectedIndex
        {
            get { return fontFamilySelectedIndex; }
            set
            {
                SetProperty(ref fontFamilySelectedIndex, value);
                if(value>0)
                {
                    switch (value)
                    {
                        case 0:
                            fontFamily = "Courier";
                            break;
                        case 1:
                            fontFamily = "Helvetica";
                            break;
                        case 2:
                            fontFamily = "Times Roman";
                            break;
                        default:
                            break;
                    }
                }
            }
        }

        private string fontFamily = "";

        private int fontWeightSelectedIndex;

        public int FontWeightSelectedIndex
        {
            get { return fontWeightSelectedIndex; }
            set
            {
                SetProperty(ref fontWeightSelectedIndex, value);
                if (value > 0)
                {
                    switch (value)
                    {
                        case 0:
                            fontWeight = FontWeights.Regular;
                            break;
                        case 1:
                            fontWeight = FontWeights.Bold;
                            break;
                        case 2:
                            fontWeight = FontWeights.SemiBold;
                            break;
                        case 3:
                            fontWeight = FontWeights.UltraBold;
                            break;
                        default:
                            break;
                    }
                }
            }
        }

        private FontWeight fontWeight = FontWeights.Regular;

        private int fontSize = 12;

        private int fontSizeSelectedIndex;

        public int FontSizeSelectedIndex
        {
            get { return fontSizeSelectedIndex; }
            set
            {
                SetProperty(ref fontSizeSelectedIndex, value);
            }
        }

        public List<string> FontFamilys { get; set; }

        public List<string> FontWeight { get; set; }

        public List<string> FontSizes { get; set; }

        public TextAlignment textAlignment { get; set; } = TextAlignment.Left;



        public MarkSettingDialogViewModel()
        {
            OkCommand = new DelegateCommand(ok);
            CancelCommand = new DelegateCommand(cancel);
            AlignCommand = new DelegateCommand<string>(align);

            InitFontFamily();
            InitFontWeight();
            InitFontSize();
        }

        private void InitFontFamily()
        {
            FontFamilys = new List<string>();
            FontFamilys.Add("Courier New");
            FontFamilys.Add("Arial");
            FontFamilys.Add("Times New Roman");
        }

        private void InitFontWeight()
        {
            FontWeight = new List<string>();
            FontWeight.Add("Regular");
            FontWeight.Add("Bold");
            FontWeight.Add("Italic");
            FontWeight.Add("Bold Italic");
        }

        private void InitFontSize()
        {
            FontSizes = new List<string>();
            FontSizes.Add("Auto");
        }

        private void cancel()
        {
            RequestClose.Invoke(new DialogResult(ButtonResult.Cancel));
        }

        private void ok()
        {
            AnnotAttribEvent eventargs = AnnotAttribEvent.GetAnnotAttribEvent(annotArgs, annotArgs.GetAnnotAttrib());
            eventargs.UpdateAttrib(AnnotAttrib.FillColor,BgColor);
            eventargs.UpdateAttrib(AnnotAttrib.NoteText, OvertText);
            eventargs.UpdateAttrib(AnnotAttrib.FontColor,FontColor);

            eventargs.UpdateAttrib(AnnotAttrib.Color, LineColor);

            eventargs.UpdateAttrib(AnnotAttrib.FontSize,fontSize);

            eventargs.UpdateAttrib(AnnotAttrib.TextAlign, textAlignment);
            eventargs.UpdateAttrib(AnnotAttrib.FontWeight, fontWeight);
            if (IsUseText)
            {
                eventargs.UpdateAttrib(AnnotAttrib.NoteText, string.Empty);
            }
            eventargs.UpdateAnnot();
            RequestClose.Invoke(new DialogResult(ButtonResult.OK));
        }

        private void align(string tag)
        {
            switch (tag)
            {
                case "Left":
                    textAlignment = TextAlignment.Left;
                    break;
                case "Center":
                    textAlignment = TextAlignment.Center;
                    break;
                case "Right":
                    textAlignment = TextAlignment.Right;
                    break;
                case "Strech":
                    textAlignment = TextAlignment.Justify;
                    break;
                default:
                    break;
            }
        }

        public bool CanCloseDialog()
        {
            return true;
        }

        public void OnDialogClosed()
        {
           
        }

        public void OnDialogOpened(IDialogParameters parameters)
        {
            annotArgs = parameters.GetValue<RedactionAnnotArgs>(ParameterNames.DataModel);

            BgColor = annotArgs.BgColor;
            LineColor = annotArgs.LineColor;
            FontColor = annotArgs.FontColor;

            OvertText = annotArgs.Content;
            switch (annotArgs.FontFamily.ToString())
            {

                case "Helvetica":
                    FontFamilySelectedIndex = 1;
                    break;
                case "Times Roman":
                    FontFamilySelectedIndex = 2;
                    break;
                default:
                case "Courier":
                    FontFamilySelectedIndex = 0;
                    break;
            }

            switch (annotArgs.Align)
            {
                case TextAlignment.Left:
                    LeftChecked = true;
                    break;
                case TextAlignment.Right:
                    RightChecked = true;
                    break;
                case TextAlignment.Center:
                    CenterChecked = true;
                    break;
                case TextAlignment.Justify:
                    StrechChecked = true;
                    break;
                default:
                    break;
            }
        }
    }
}