using AutoMapper;
using CapMachine.Core;
using CapMachine.Model;
using CapMachine.Wpf.Dtos;
using CapMachine.Wpf.Services;
using Masuit.Tools;
using Prism.Commands;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace CapMachine.Wpf.ViewModels
{
    /// <summary>
    /// 逻辑规则配置的弹窗
    /// </summary>
    public class DialogLogicRuleViewModel : DialogViewModel
    {
        public DialogLogicRuleViewModel(IFreeSql freeSql, IMapper mapper, LogicRuleService logicRuleService)
        {
            Title = "逻辑规则创建";

            FreeSql = freeSql;
            Mapper = mapper;
            LogicRuleService = logicRuleService;

            //var Data = Mapper.Map<List<LogicRuleDto>>(LogicRuleService.LogicRuleDtos);

            ListLogicRuleDto = LogicRuleService.LogicRuleDtos;

        }
        public IFreeSql FreeSql { get; }
        public IMapper Mapper { get; }
        public LogicRuleService LogicRuleService { get; }

        private ObservableCollection<LogicRuleDto> _ListLogicRuleDto;
        /// <summary>
        /// 数据集合
        /// </summary>
        public ObservableCollection<LogicRuleDto> ListLogicRuleDto
        {
            get { return _ListLogicRuleDto; }
            set { _ListLogicRuleDto = value; RaisePropertyChanged(); }
        }

        private LogicRuleDto _selectedRule=new LogicRuleDto();
        /// <summary>
        /// 当前选中的规则
        /// </summary>
        public LogicRuleDto SelectedRule
        {
            get { return _selectedRule; }
            set { _selectedRule = value; RaisePropertyChanged(); }
        }

        /// <summary>
        /// 选中更改之前的LogicRuleDto
        /// </summary>
        public LogicRuleDto SelectedRuleOld { get; set; }

        private DelegateCommand<object> _GridSelectionChangedCmd;
        /// <summary>
        /// 选中行数据命令
        /// </summary>
        public DelegateCommand<object> GridSelectionChangedCmd
        {
            set
            {
                _GridSelectionChangedCmd = value;
            }
            get
            {
                if (_GridSelectionChangedCmd == null)
                {
                    _GridSelectionChangedCmd = new DelegateCommand<object>((par) => GridSelectionChangedCmdMethod(par));
                }
                return _GridSelectionChangedCmd;
            }
        }
        private void GridSelectionChangedCmdMethod(object par)
        {
            var selectedItem = par as LogicRuleDto;
            if (selectedItem != null)
            {
                //防止需要未更改之前的数据
                SelectedRuleOld = selectedItem;
                //先判断是否是正确的集合数据，防止DataGrid的数据源刷新导致的触发事件
                SelectedRule = selectedItem.DeepClone();
            }

            ////选中的行数据

        }

        /// <summary>
        /// 是否编辑
        /// </summary>
        private bool IsRuleEdit { get; set; } = false;

        private DelegateCommand<string> _RuleCmd;
        /// <summary>
        /// 选中行数据命令
        /// </summary>
        public DelegateCommand<string> RuleCmd
        {
            set
            {
                _RuleCmd = value;
            }
            get
            {
                if (_RuleCmd == null)
                {
                    _RuleCmd = new DelegateCommand<string>((par) => RuleCmdMethod(par));
                }
                return _RuleCmd;
            }
        }
        private void RuleCmdMethod(string par)
        {
           
            IsRuleEdit = true;
            //先判断是否是正确的集合数据，防止DataGrid的数据源刷新导致的触发事件
            switch (par)
            {
                case "Create":
                    //SelectedRule
                    LogicRuleService.AddRule(Mapper.Map<LogicRule>(SelectedRule));
                    break;
                case "Update":
                    if (SelectedRule == null)
                    {
                        MessageBox.Show("选中后再操作数据");
                        return;
                    }
                    LogicRuleService.UpdateRule(Mapper.Map<LogicRule>(SelectedRuleOld),Mapper.Map<LogicRule>(SelectedRule));
                    break;
                case "Delete":
                    if (SelectedRule == null)
                    {
                        MessageBox.Show("选中后再操作数据");
                        return;
                    }
                    LogicRuleService.DeleteRule(SelectedRule.Name);
                    break;
                default:
                    break;
            }
            ////选中的行数据

        }

        #region 基础弹窗配置



        private string name;
        /// <summary>
        /// 名称
        /// </summary>
        public string Name
        {
            get { return name; }
            set { name = value; RaisePropertyChanged(); }
        }



        private DelegateCommand saveCmd;
        /// <summary>
        /// 保存命令
        /// </summary>
        public DelegateCommand SaveCmd
        {
            set
            {
                saveCmd = value;
            }
            get
            {
                if (saveCmd == null)
                {
                    saveCmd = new DelegateCommand(() => SaveCmdMethod());
                }
                return saveCmd;
            }
        }

        /// <summary>
        /// 保存命令方法
        /// </summary>
        /// <exception cref="NotImplementedException"></exception>
        private void SaveCmdMethod()
        {
            DialogParameters pars = new DialogParameters
             {
                 { "IsRuleEdit", IsRuleEdit }
             };

            RaiseRequestClose(new DialogResult(ButtonResult.OK, pars));
        }

        private DelegateCommand cancelCmd;
        /// <summary>
        /// 保存命令
        /// </summary>
        public DelegateCommand CancelCmd
        {
            set
            {
                cancelCmd = value;
            }
            get
            {
                if (cancelCmd == null)
                {
                    cancelCmd = new DelegateCommand(() => CancelCmdMethod());
                }
                return cancelCmd;
            }
        }


        /// <summary>
        /// 取消命令方法
        /// </summary>
        /// <exception cref="NotImplementedException"></exception>
        private void CancelCmdMethod()
        {
            RaiseRequestClose(new DialogResult(ButtonResult.Cancel));
        }

        /// <summary>
        /// 窗口打开时的传递的参数
        /// </summary>
        /// <param name="parameters"></param>
        public override void OnDialogOpened(IDialogParameters parameters)
        {
            Name = parameters.GetValue<string>("Name");
            IsRuleEdit = false;
        }



        #endregion
    }
}