using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Runtime.Serialization;
using System.Windows;
using System.Windows.Controls;
using System.Xml;
using Aitex.Core.UI.View.Common;
using Caliburn.Micro.Core;
using MECF.Framework.Common.CommonData;
using MECF.Framework.Common.DataCenter;
using MECF.Framework.UI.Client.CenterViews.Editors.Recipe;

namespace MECF.Framework.UI.Client.CenterViews.Editors.Sequence
{
    public class FileNode : PropertyChangedBase
    {
        public FileNode()
        {
            this.Files = new ObservableCollection<FileNode>();
            this.IsFile = false;
        }

        public FileNode(FileNodeItem fileNodeItem)
        {
            IsFile = true;
            FullPath = fileNodeItem.FullPath;
            AllParentPath = fileNodeItem.AllParentPath;
            Name = fileNodeItem.Name;
            this.Files = new ObservableCollection<FileNode>();
            PrefixPath = fileNodeItem.PrefixPath;
            Creator = fileNodeItem.Creator;
            Revisor = fileNodeItem.Revisor;
            Description = fileNodeItem.Description;
            CreatTime = fileNodeItem.CreatTime;
            ReviseTime = fileNodeItem.ReviseTime;
            Permission = fileNodeItem.Permission;
            Level = fileNodeItem.Level;
            if (fileNodeItem.Parent != null)
                Parent = new FileNode(fileNodeItem.Parent);
        }

        private string name = string.Empty;
        public string Name
        {
            get { return name; }
            set { name = value; NotifyOfPropertyChange("Name"); }
        }
        public string FullPath { get; set; }
        public string AllParentPath { get; set; }
        public FileNode Parent { get; set; }
        public ObservableCollection<FileNode> Files { get; set; }
        public bool IsFile { get; set; }
        public string PrefixPath { get; set; }
        private string creator = string.Empty;
        public string Creator
        {
            get { return creator; }
            set { creator = value; NotifyOfPropertyChange("Creator"); }
        }
        private string revisor = string.Empty;
        public string Revisor
        {
            get { return revisor; }
            set { revisor = value; NotifyOfPropertyChange("Revisor"); }
        }
        private string description = string.Empty;
        public string Description
        {
            get { return description; }
            set { description = value; NotifyOfPropertyChange("Description"); }
        }

        private string creatTime = string.Empty;
        public string CreatTime
        {
            get { return creatTime; }
            set { creatTime = value; NotifyOfPropertyChange("CreatTime"); }
        }
        private string reviseTime = string.Empty;
        public string ReviseTime
        {
            get { return reviseTime; }
            set { reviseTime = value; NotifyOfPropertyChange("ReviseTime"); }
        }
        private string permission = string.Empty;
        public string Permission
        {
            get { return permission; }
            set { permission = value; NotifyOfPropertyChange("Permission"); }
        }
        private string level = string.Empty;
        public string Level
        {
            get { return level; }
            set { level = value; NotifyOfPropertyChange("Level"); }
        }
        private bool _IsSelected;
        public bool IsSelected
        {
            get { return _IsSelected; }
            set { _IsSelected = value; NotifyOfPropertyChange("IsSelected"); }
        }
        private bool _isExpanded;
        public bool IsExpanded
        {
            get => _isExpanded;
            set
            {
                if (_isExpanded != value) {
                    _isExpanded = value;
                    NotifyOfPropertyChange("IsExpanded");
                };
            }
        }

        private Visibility _IsVisiable;
        public Visibility IsVisiable
        {
            get { return _IsVisiable; }
            set { _IsVisiable = value; NotifyOfPropertyChange("IsVisiable"); }
        }
        private bool _IsChecked;
        public bool IsChecked
        {
            get { return _IsChecked; }
            set { _IsChecked = value; NotifyOfPropertyChange("IsChecked"); }
        }

        private bool _IsBackupSelected;
        public bool IsBackupSelected
        {
            get { return _IsBackupSelected; }
            set
            {
                _IsBackupSelected = value;
                if (!IsFile)
                {
                    foreach (var item in Files)
                    {
                        SetAllChild(item, value);
                    }
                }
                NotifyOfPropertyChange("IsBackupSelected");
            }
        }

        private void SetAllChild(FileNode fileNode, bool value)
        {
            if (!fileNode.IsFile)
            {
                SetAllChild(fileNode, value);
            }
            else
            {
                fileNode.IsBackupSelected = value;
            }
        }


        private bool _IsEnable;
        public bool IsEnable
        {
            get { return _IsEnable; }
            set { _IsEnable = value; NotifyOfPropertyChange("IsEnable"); }
        }
    }

    public class RecipeSequenceTreeBuilder
    {
        public static List<FileNode> GetFiles(string prefixPath, List<string> filenames)
        {
            List<FileNode> folders = new List<FileNode>();
            FileNode root = new FileNode() { Name = "Files", IsFile = false, FullPath = "", PrefixPath = prefixPath };
            folders.Add(root);

            foreach (string filename in filenames)
            {
                string[] filesplits = filename.Split('\\');

                FileNode parent = root;
                if (filesplits.Length > 1)
                {
                    for (var index = 0; index < filesplits.Length - 1; index++)
                    {
                        bool found = false;
                        for (var j = 0; j < parent.Files.Count; j++)
                        {
                            if (parent.Files[j].Name == filesplits[index] && !parent.Files[j].IsFile)
                            {
                                found = true;
                                parent = parent.Files[j];
                                break;
                            }
                        }
                        if (!found)
                        {
                            FileNode folder = new FileNode() { Name = filesplits[index], IsFile = false, PrefixPath = prefixPath };
                            folder.FullPath = (parent.FullPath == string.Empty ? filesplits[index] : parent.FullPath + "\\" + filesplits[index]);
                            folder.Parent = parent;
                            parent.Files.Add(folder);
                            parent = folder;
                        }
                    }
                }
                FileNode file = new FileNode() { Name = filesplits[filesplits.Length - 1], IsFile = true, PrefixPath = prefixPath };
                file.FullPath = (parent.FullPath == string.Empty ? filesplits[filesplits.Length - 1] : parent.FullPath + "\\" + filesplits[filesplits.Length - 1]);
                file.Parent = parent;
                parent.Files.Add(file);
            }
            return folders;
        }

        static string GetAttributeValueByXmlDoc(XmlDocument _doc, string attributeName)
        {
            XmlElement nodeData = _doc.SelectSingleNode($"Aitex/TableRecipeData") as XmlElement;
            return nodeData.GetAttribute(attributeName);
        }

        static string GetAttributeValue(string prefixPath, string recipeName, string attributeName)
        {
            RecipeProvider _recipeProvider = new RecipeProvider();
            string content = _recipeProvider.LoadRecipe(prefixPath, recipeName);
            XmlDocument _doc = new XmlDocument();
            _doc.LoadXml(content);
            XmlElement nodeData = _doc.SelectSingleNode($"Aitex/TableRecipeData") as XmlElement;

            return nodeData.GetAttribute(attributeName);
        }
        public static void CreateTreeViewItems(XmlElement curElementNode, FileNode parent, string prefixPath, string selectionName, bool selectionIsFolder)
        {
            string currentMode = QueryDataClient.Instance.Service.GetConfig("System.Engineeringmode")?.ToString();
            selectionIsFolder = false;
            foreach (XmlElement ele in curElementNode.ChildNodes)
            {
                if (ele.Name == "File")
                {
                    string fileName = ele.Attributes["Name"].Value;
                    fileName = fileName.Substring(fileName.LastIndexOf('\\') + 1);
                    string fullPath = string.IsNullOrEmpty(parent.FullPath)
                        ? fileName
                        : parent.FullPath + "\\" + fileName;
                    RecipeProvider _recipeProvider = new RecipeProvider();
                    string content = _recipeProvider.LoadRecipe(prefixPath, fullPath);
                    XmlDocument _doc = new XmlDocument();
                    _doc.LoadXml(content);
                    if ((content == null) || (content == ""))
                    {
                        continue;
                    }
                    FileNode file = new FileNode()
                    {
                        Name = fileName,
                        IsFile = true,
                        PrefixPath = prefixPath,
                        Parent = parent,
                        FullPath = fullPath,
                        Creator = GetAttributeValueByXmlDoc(_doc, "CreatedBy"),
                        Description = GetAttributeValueByXmlDoc(_doc, "Description"),
                        CreatTime = GetAttributeValueByXmlDoc(_doc, "CreationTime"),
                        ReviseTime = GetAttributeValueByXmlDoc(_doc, "LastRevisionTime"),
                        Revisor = GetAttributeValueByXmlDoc(_doc, "LastRevisedBy"),
                        Permission = GetAttributeValueByXmlDoc(_doc, "RecipePermission"),
                        Level = GetAttributeValueByXmlDoc(_doc, "RecipeLevel"),
                        IsChecked = GetAttributeValueByXmlDoc(_doc, "CheckResult") == "Correct",
                    };
                    string fileMode = string.Empty;
                    if (!string.IsNullOrEmpty(currentMode) && currentMode.Equals("Normal"))
                        file.IsEnable = GetAttributeValueByXmlDoc(_doc, "NormalMode") != "Notuseable";
                    else
                        file.IsEnable = GetAttributeValueByXmlDoc(_doc, "EngineeringMode") != "Notuseable";
                    if (!selectionIsFolder)
                    {
                        if (selectionName == file.FullPath)
                            file.IsSelected = true;
                        else
                            file.IsSelected = false;
                        FileNode node = file.Parent;
                        while (node.FullPath.Contains("\\"))
                        {
                            node.IsExpanded = true;
                            node = node.Parent;
                        }
                        parent.Files.Add(file);
                    }
                }
                else if (ele.Name == "Folder")
                {
                    string folderName = ele.Attributes["Name"].Value;
                    folderName = folderName.Substring(folderName.LastIndexOf('\\') + 1);
                    string fullPath = string.IsNullOrEmpty(parent.FullPath)
                        ? folderName
                        : parent.FullPath + "\\" + folderName;
                    FileNode folder = new FileNode()
                    {
                        Name = folderName,
                        IsFile = false,
                        PrefixPath = prefixPath,
                        Parent = parent,
                        FullPath = fullPath,
                        IsExpanded = !fullPath.Contains("\\"),
                        IsChecked = true,
                        IsEnable = true
                    };
                    parent.Files.Add(folder);
                    if (selectionIsFolder && selectionName == folder.FullPath)
                    {
                        folder.IsSelected = true;
                        FileNode node = folder;
                        while (node.FullPath.Contains("\\"))
                        {
                            node.IsExpanded = true;
                            node = node.Parent;
                        }
                    }
                    CreateTreeViewItems(ele, folder, prefixPath, selectionName, selectionIsFolder);
                }
            }
        }

        static string GetRestoreAttributeValue(string prefixPath, string recipeName, string attributeName)
        {
            RecipeProvider _recipeProvider = new RecipeProvider();
            string content = _recipeProvider.LoadRestoreRecipe(prefixPath, recipeName);
            XmlDocument _doc = new XmlDocument();
            _doc.LoadXml(content);
            XmlElement nodeData = _doc.SelectSingleNode($"Aitex/TableRecipeData") as XmlElement;

            return nodeData.GetAttribute(attributeName);
        }

        public static void CreateRestoreTreeViewItems(XmlElement curElementNode, FileNode parent, string prefixPath, string selectionName, bool selectionIsFolder)
        {
            selectionIsFolder = false;
            foreach (XmlElement ele in curElementNode.ChildNodes)
            {
                if (ele.Name == "File")
                {
                    string fileName = ele.Attributes["Name"].Value;
                    fileName = fileName.Substring(fileName.LastIndexOf('\\') + 1);
                    string fullPath = string.IsNullOrEmpty(parent.FullPath)
                        ? fileName
                        : parent.FullPath + "\\" + fileName;

                    FileNode file = new FileNode()
                    {
                        Name = fileName,
                        IsFile = true,
                        PrefixPath = prefixPath,
                        Parent = parent,
                        FullPath = fullPath,
                        Creator = GetRestoreAttributeValue(prefixPath, fullPath, "CreatedBy"),
                        Description = GetRestoreAttributeValue(prefixPath, fullPath, "Description"),
                        CreatTime = GetRestoreAttributeValue(prefixPath, fullPath, "CreationTime"),
                        ReviseTime = GetRestoreAttributeValue(prefixPath, fullPath, "LastRevisionTime"),
                        Revisor = GetRestoreAttributeValue(prefixPath, fullPath, "LastRevisedBy"),
                        Permission = GetRestoreAttributeValue(prefixPath, fullPath, "RecipePermission"),
                        Level = GetRestoreAttributeValue(prefixPath, fullPath, "RecipeLevel"),
                    };
                    if (!selectionIsFolder)
                    {
                        file.IsSelected = true;
                        FileNode node = file.Parent;
                        while (node.FullPath.Contains("\\"))
                        {
                            node.IsExpanded = true;
                            node = node.Parent;
                        }
                        parent.Files.Add(file);
                    }
                }
                else if (ele.Name == "Folder")
                {
                    string folderName = ele.Attributes["Name"].Value;
                    folderName = folderName.Substring(folderName.LastIndexOf('\\') + 1);
                    string fullPath = string.IsNullOrEmpty(parent.FullPath)
                        ? folderName
                        : parent.FullPath + "\\" + folderName;
                    FileNode folder = new FileNode()
                    {
                        Name = folderName,
                        IsFile = false,
                        PrefixPath = prefixPath,
                        Parent = parent,
                        FullPath = fullPath,
                        IsExpanded = !fullPath.Contains("\\"),
                    };
                    parent.Files.Add(folder);
                    if (selectionIsFolder && selectionName == folder.FullPath)
                    {
                        folder.IsSelected = true;
                        FileNode node = folder;
                        while (node.FullPath.Contains("\\"))
                        {
                            node.IsExpanded = true;
                            node = node.Parent;
                        }
                    }
                    CreateRestoreTreeViewItems(ele, folder, prefixPath, selectionName, selectionIsFolder);
                }
            }
        }

        public static List<FileNode> BuildFileNode(string prefixPath, string selectionName, bool selectionIsFolder, string fileListInXml)
        {
            List<FileNode> folders = new List<FileNode>();
            FileNode root = new FileNode() { Name = "Files", IsFile = false, FullPath = "", PrefixPath = prefixPath };
            folders.Add(root);

            XmlDocument doc = new XmlDocument();
            doc.LoadXml(fileListInXml);
            CreateTreeViewItems(doc.DocumentElement, root, prefixPath, selectionName, selectionIsFolder);

            return folders;
        }

        public static List<FileNode> BuildRestoreFileNode(string prefixPath, string selectionName, bool selectionIsFolder, string fileListInXml)
        {
            List<FileNode> folders = new List<FileNode>();
            FileNode root = new FileNode() { Name = "Files", IsFile = false, FullPath = "", PrefixPath = prefixPath };
            folders.Add(root);

            XmlDocument doc = new XmlDocument();
            doc.LoadXml(fileListInXml);
            CreateRestoreTreeViewItems(doc.DocumentElement, root, prefixPath, selectionName, selectionIsFolder);

            return folders;
        }

        public static ObservableCollection<FileNode> GetFileNodeParameterList(string prefixPath)
        {
            RecipeProvider _recipeProvider = new RecipeProvider();
            ObservableCollection<FileNode> fileList = new ObservableCollection<FileNode>();
            var tempfiles = _recipeProvider.GetFileNodeParameterList(prefixPath);
            FileNodeItemToFileNode(fileList, tempfiles);
            FileNodeParent(fileList);
            FileNodeAllParentPath(fileList);
            return fileList;
        }

        private static void FileNodeAllParentPath(ObservableCollection<FileNode> fileList)
        {
            foreach (var item in fileList)
            {
                if (item.Files != null && item.Files.Count > 0)
                {
                    FileNodeAllParentPath(item.Files);
                }
                if (item.Parent != null)
                {
                    List<string> allParentName = new List<string>();
                    SetFileNodeAllParentPath(item, allParentName);
                    if (allParentName != null && allParentName.Count > 0)
                    {
                        allParentName.RemoveAt(0);
                        allParentName.Reverse();
                        item.AllParentPath = string.Join("\\", allParentName);
                    }
                }
            }
        }


        private static void SetFileNodeAllParentPath(FileNode fileNode, List<string> allParentName)
        {
            allParentName.Add(fileNode.Name);
            if (fileNode.Parent == null)
            {
                return;
            }
            SetFileNodeAllParentPath(fileNode.Parent, allParentName);

        }
        private static void FileNodeParent(ObservableCollection<FileNode> fileList)
        {
            foreach (var item in fileList)
            {
                if (item.Files == null || item.Files.Count == 0)
                {
                    continue;
                }
                SetFileNodeParent(item);
            }

        }
        private static void SetFileNodeParent(FileNode fileNode)
        {
            if (fileNode.Files == null || fileNode.Files.Count == 0)
            {
                return;
            }
            foreach (var item in fileNode.Files)
            {
                item.Parent = fileNode;
                SetFileNodeParent(item);
            }

        }

        private static void FileNodeItemToFileNode(ObservableCollection<FileNode> fileList, List<FileNodeItem> fileNodeItems)
        {
            foreach (var item in fileNodeItems)
            {
                if (item.IsFile)
                {
                    fileList.Add(new FileNode(item));
                }
                else
                {
                    GetSubFiles(item).ForEach(x => fileList.Add(x));
                }
            }
        }

        private static List<FileNode> GetSubFiles(FileNodeItem fileNodeItem)
        {
            List<FileNode> fileNodeList = new List<FileNode>();
            foreach (var item in fileNodeItem.Files)
            {
                if (item.IsFile)
                {
                    fileNodeList.Add(new FileNode(item));
                }
                else
                {
                    FileNode fileNode = new FileNode();
                    fileNode.Name = item.Name;
                    fileNode.FullPath = item.FullPath;
                    fileNode.PrefixPath = item.PrefixPath;
                    fileNode.IsFile = false;
                    GetSubFiles(item).ForEach(x => fileNode.Files.Add(x));
                    fileNodeList.Add(fileNode);
                }
            }
            return fileNodeList;
        }

    }
}