using System;
using System.ComponentModel;
using System.Reflection;
using System.Windows;
using Microsoft.Win32;
using Panuon.WPF.UI;
using HMI.Core.Annotation;
using HMI.Core.Entity;
using HMI.Core.Exceptions;
using HMI.Core.Util;
using HMI.MenuManage.Entity;

namespace HMI.MenuManage
{
    /// <summary>
    /// ModalWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MenuModal : WindowX
    {
        public MenuModal()
        {
            InitializeComponent();
        }

        public MenuData Data { get; set; }
        public SqliteHelper sqliteHelper { get; set; }

        private bool _isProcessing;

        protected override void OnClosing(CancelEventArgs e)
        {
            //Press Continue Button
            if (DialogResult == true)
            {
                if (_isProcessing)
                {
                    e.Cancel = true;
                    return;
                }
                var okButton = WindowXModalDialog.GetOKButton(this);
                try
                {
                    _isProcessing = true;
                    ButtonHelper.SetIsPending(okButton, true);
                    if (!ValidateForm())
                    {
                        e.Cancel = true;
                        return;
                    }

                    SaveOrUpdateData();
                }
                catch (Exception ex)
                {
                    Panuon.WPF.UI.Toast.Show(this, "Error！", ToastPosition.Top);
                    e.Cancel = true;
                    return;
                }
                finally
                {
                    _isProcessing = false;
                    ButtonHelper.SetIsPending(okButton, false);
                }
            }
            base.OnClosing(e);
        }

        private bool ValidateForm()
        {
            try
            {
                FormValidateException ex = new FormValidateException();
                string segment = string.IsNullOrEmpty(Data.Id) ? "" : $" AND id!='{Data.Id}'";
                string sql = $"SELECT 1 FROM menu WHERE code='{TbCode.Text}'{segment};";
                if (string.IsNullOrEmpty(TbCode.Text))
                {
                    ex.Result.Add(new FormGroupValidateResult("请输入菜单编号", FgCode));
                }
                else if (sqliteHelper.HasData(sql))
                {
                    ex.Result.Add(new FormGroupValidateResult("菜单编号不能重复", FgCode));
                }
                else
                {
                    FgCode.ValidateResult = ValidateResult.None;
                    FgCode.Message = null;
                }

                if (string.IsNullOrEmpty(TbName.Text))
                {
                    ex.Result.Add(new FormGroupValidateResult("请输入菜单名称", FgName));
                }
                else
                {
                    FgName.ValidateResult = ValidateResult.None;
                    FgName.Message = null;
                }

                if(string.IsNullOrEmpty(TbIcon.Text))
                {
                    ex.Result.Add(new FormGroupValidateResult("请选择菜单图标", FgIcon));
                }
                else
                {
                    FgIcon.ValidateResult = ValidateResult.None;
                    FgIcon.Message = null;
                }

                if (string.IsNullOrEmpty(TbLevel.Text))
                {
                    ex.Result.Add(new FormGroupValidateResult("请选择菜单级别", FgLevel));
                }
                else
                {
                    FgLevel.ValidateResult = ValidateResult.None;
                    FgLevel.Message = null;
                }

                if (TbLevel.Text == "2")
                {
                    if (string.IsNullOrEmpty(TbType.Text))
                    {
                        ex.Result.Add(new FormGroupValidateResult("请选择菜单类型", FgType));
                    }
                    else
                    {
                        FgType.ValidateResult = ValidateResult.None;
                        FgType.Message = null;
                    }

                    if (string.IsNullOrEmpty(TbParentCode.Text))
                    {
                        ex.Result.Add(new FormGroupValidateResult("请选择上级菜单", FgParentCode));
                    }
                    else
                    {
                        FgParentCode.ValidateResult = ValidateResult.None;
                        FgParentCode.Message = null;
                    }

                    if (string.IsNullOrEmpty(TbDllPath.Text))
                    {
                        ex.Result.Add(new FormGroupValidateResult("请选择Dll路径", FgDllPath));
                    }
                    else
                    {
                        FgDllPath.ValidateResult = ValidateResult.None;
                        FgDllPath.Message = null;
                    }

                    if (string.IsNullOrEmpty(TbClassName.Text))
                    {
                        ex.Result.Add(new FormGroupValidateResult("请输入类名", FgClassName));
                    }
                    else
                    {
                        FgClassName.ValidateResult = ValidateResult.None;
                        FgClassName.Message = null;
                    }

                }
                else { 

                }

                if (!ex.Success) {
                    throw ex;
                }
            }
            catch (FormValidateException ex)
            {
                foreach (var data in ex.Result)
                {
                    var fg = (FormGroup)data.Sender;
                    fg.ValidateResult = ValidateResult.Error;
                    fg.Message = data.Message;
                }
                return false;
            }

            Data.Code = TbCode.Text;
            Data.Name = TbName.Text;
            Data.IconPath = TbIcon.Text;
            Data.Level = TbLevel.Text;
            Data.Type = TbType.Text;
            Data.ParentCode = TbParentCode.Text;
            Data.DllPath = TbDllPath.Text;
            Data.ClassName = TbClassName.Text;
            return true;
        }

        public bool? Open(MenuData data)
        {
            Data = data;
            TbCode.Text = Data.Code;
            TbName.Text = Data.Name;
            TbIcon.Text = Data.IconPath;
            TbLevel.SelectedValue = Data.Level;
            TbType.SelectedValue = Data.Type;
            TbParentCode.Text = Data.ParentCode;
            TbDllPath.Text = Data.DllPath;
            TbClassName.Text = Data.ClassName;
            return this.ShowDialog();
        }

        private void SaveOrUpdateData()
        {
            if (string.IsNullOrEmpty(Data.Id))
            {
                InsertMenu(Data);
            }
            else
            {
                UpdateMenu(Data);
            }
        }

        public void InsertMenu(MenuData data)
        {
            string sql = $@"INSERT INTO menu (code,name,iconPath,level,type,parentCode,dllPath,className) 
                VALUES
                ('{data.Code}','{data.Name}','{data.IconPath}','{data.Level}','{data.Type}','{data.ParentCode}',
                '{data.DllPath}','{data.ClassName}');";
            sqliteHelper.ExecuteSql(sql);
        }

        public void UpdateMenu(MenuData data)
        {
            string sql = $@"UPDATE menu SET code='{data.Code}',name='{data.Name}',
iconPath='{data.IconPath}',level='{data.Level}',type='{data.Type}',parentCode='{data.ParentCode}',
dllPath='{data.DllPath}',className='{data.ClassName}' WHERE id='{data.Id}';";
            sqliteHelper.ExecuteSql(sql);
        }


        private void IconSelect_Click(object sender, RoutedEventArgs e)
        {
            string BasePath = PathHelper.IconFolder;

            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.Filter = "(*.*)|*.*";
            openFileDialog.InitialDirectory = BasePath;
            openFileDialog.Title = "选择图片";
            openFileDialog.Multiselect = false;

            if (openFileDialog.ShowDialog() == true)
            {
                string FileName = openFileDialog.FileName;
                if (!FileName.StartsWith(BasePath))
                {
                    Panuon.WPF.UI.Toast.Show(this, "请将图标移动至程序Icon目录下！", ToastPosition.Top);
                }
                else
                {
                    TbIcon.Text = FileName.Replace(BasePath, ".");
                }
            }

        }

        private void DllSelect_Click(object sender, RoutedEventArgs e)
        {
            string pluginPath = PathHelper.PluginFolder();

            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.Filter = "(*.dll)|*.dll";
            openFileDialog.InitialDirectory = pluginPath;
            openFileDialog.Title = "选择文件";
            openFileDialog.Multiselect = false;

            if (openFileDialog.ShowDialog() == true)
            {
                string FileName = openFileDialog.FileName;
                if (!FileName.StartsWith(pluginPath))
                {
                    Panuon.WPF.UI.Toast.Show(this, "请将插件移动至程序Plugin目录下！", ToastPosition.Top);
                }
                else
                {
                    TbDllPath.Text = FileName.Replace(pluginPath, ".");
                    try
                    {
                        object[] infos = Assembly.LoadFrom(FileName).GetCustomAttributes(typeof(PluginClassNameAttribute), false);
                        if (infos != null && infos.Length > 0)
                        {
                            PluginClassNameAttribute attr = (PluginClassNameAttribute)infos[0];
                            TbClassName.Text = attr.ClassName;
                        }
                    }
                    catch (Exception ex)
                    {

                    }
                }
            }
        }
    }
}