#region

using System;
using System.Collections.Generic;
using System.Windows.Forms;
using CSFrameworkV5.Business;
using CSFrameworkV5.Common;
using CSFrameworkV5.Core;
using CSFrameworkV5.Library.CommonClass;
using DevExpress.XtraEditors.Controls;

#endregion

namespace CSFrameworkV5.Library
{
    /// <summary>
    ///     生成单据向导窗体
    /// </summary>
    public partial class frmGenerateWizard : Form
    {
        private bool _GenSuccess; //生成数据是否成功的标志
        private List<IDocGenerateItem> _items;

        private frmGenerateWizard()
        {
            InitializeComponent();
        }

        private IDocGenerateItem CurrentItem => _items[rgItems.SelectedIndex];

        private void btnCancel_Click(object sender, EventArgs e)
        {
            Close();
        }

        private void btnGen_Click(object sender, EventArgs e)
        {
            if (ValidateWizard())
            {
                //查找目标窗体是否打开
                var targetForm =
                    MdiTools.FindForm(CurrentItem.TargetFormType.FullName);

                if (targetForm == null) //没有打开目标窗体,程序自动打开
                {
                    var mainForm =
                        MdiTools
                                .MainForm as
                            IMdiForm; //MDI主窗体                                        
                    targetForm = MdiTools.OpenChildForm(mainForm,
                        CurrentItem.TargetFormType); //打开目标窗体
                }
                else
                {
                    if (!(targetForm is IBusinessSupportable))
                    {
                        Msg.Warning("不支持生成目标窗体的数据！");
                        return; //不是MDI子窗体，退出
                    }

                    if ((targetForm as IDataOperatable).DataChanged)
                    {
                        Msg.Warning("目标窗体 '" + CurrentItem.TargetFormName +
                                    "' 正在修改数据！请保存或取消修改后才能生成！");
                        return;
                    }

                    targetForm.Activate(); //目标窗体已打开,激活显示
                }

                try
                {
                    frmWaitingEx.ShowMe(this);

                    //调用目标窗体的新增方法
                    (targetForm as IDataOperatable).DoAdd(null);

                    //开始生成单据
                    _GenSuccess =
                        CurrentItem.Generate((targetForm as frmBaseBusinessForm)
                            .BLL);
                }
                finally
                {
                    frmWaitingEx.HideMe(this);
                }

                if (_GenSuccess)
                {
                    Msg.ShowInformation("生成单据成功,请修改相关数据然后保存！");
                    Close();
                    targetForm.Activate(); //显示目标窗体
                }
                else
                {
                    Msg.ShowError("生成单据失败！");
                }
            }
        }

        public static void ExecuteWizard(List<IDocGenerateItem> items)
        {
            var form = new frmGenerateWizard();
            form.LoadItems(items);
            form.ShowDialog();
        }

        private void LoadItems(List<IDocGenerateItem> items)
        {
            _items = items;

            foreach (var item in items)
                rgItems.Properties.Items.Add(
                    new RadioGroupItem("N", item.ItemCaption));

            rgItems.Height = 30 * items.Count;
            if (items.Count > 0) rgItems.SelectedIndex = 0;
        }

        private void rgItems_SelectedIndexChanged(object sender, EventArgs e)
        {
            pnlDocNo.Visible = CurrentItem.IsDocNoRequired;
            if (pnlDocNo.Visible) textEdit1.Focus();
        }

        private bool ValidateWizard()
        {
            //由其它单生成本单
            if (CurrentItem.IsDocNoRequired)
            {
                if (textEdit1.Text == "")
                {
                    Msg.Warning("请输入单据号码！");
                    textEdit1.Focus();
                    return false;
                }

                if (!CurrentItem.IsDocNoExists(textEdit1.Text))
                {
                    Msg.Warning("单据号码不存在！");
                    textEdit1.Focus();
                    return false;
                }

                CurrentItem.SetDocNo(textEdit1.Text); //设置单据号码
            }

            return true;
        }
    }
}