using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.IO;
using System.Windows.Input;
using MahApps.Metro.Controls;
using MahApps.Metro.Controls.Dialogs;
using System.Data;
using WpfTest1.SQLite;
using WpfTest1.Toolkits;
using LitJson;
using System.ComponentModel;

namespace WpfTest1
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : MetroWindow
    {
        #region 系统基本参数
        System.Data.SQLite.SQLiteDataAdapter daHistoryRecord;   //选择记录页面查询记录条目的数据集容器
        public doctor loginDoctor = null;                       //所登陆的医师
        DataSet ds;                                             //其他界面的DataSet
        System.Data.SQLite.SQLiteDataAdapter da;                //其他界面的DataAdapter
        //double highBp;                                        //BP界面高压
        //double lowBp;                                         //BP界面低压
        DateTime lastSettingLogin;                              //上一次在系统设置界面登陆的时间
        public Toolkits.Config cfg;                //从数据库取配置的类
        DogOperator dop = new DogOperator(Constants.registerPid, Constants.registerUid);

        Patient filterPatient;
        Patient evaluationPatient;
        Patient historyPatient;
        Record filterReportForEvaluation;
        bool flagEvaluationWithoutFilter = true;
        List<QuestionAnswerPair> filterQuestionaire = new List<QuestionAnswerPair>();
        List<QuestionAnswerPair> evaluationQuestionaire = new List<QuestionAnswerPair>();
        List<UserSelection> filterUserSelection = new List<UserSelection>();
        List<UserSelection> evaluationUserSelection = new List<UserSelection>();
        string resultsFilter;
        string resultsEvaluation;
        int currentFilterCount = 0;
        int currentEvaluationCount = 0;
        List<Record> recordsFromOnePatient;
        BindingList<Record> bindingRecords;
        Dictionary<string, int> mapKeyToDigit = new Dictionary<string, int>();

        #endregion

        public MainWindow()
        {
            InitializeComponent();
            //加载配置
            cfg = new Toolkits.Config();
            //绑定三个selectUser的父类
            //selectUserMeasure.setMainWindow(this);
            selectUserPatientManagent.setMainWindow(this);
            selectUserfilter.setMainWindow(this);
            selectUserevaluation.setMainWindow(this);
            selectUserHistory.setMainWindow(this);
            textBoxOrganizationName.Text = cfg.organization_name;
        }

        #region 初始化与系统调用部分

        //初始化全部组件后需要先输入医生密码才能进入
        private void MetroWindow_Loaded(object sender, RoutedEventArgs e)
        {
            //之后测试登陆
            SmallDialogs.LoginWindow lw = new SmallDialogs.LoginWindow(this);
            lw.ShowDialog();
            if(loginDoctor == null)
            {
                this.Close();
            }

            bool registerFlag = dop.checkSoftwareRegister();
            if (!registerFlag && Constants.productionEnvironment)
            {
                MessageBox.Show("未找到硬件授权Key，请确认插入后重试", "错误");
                this.Close();
            }

            //显示医生姓名
            if (loginDoctor != null)
            {
                loginedDoctorName.Content = "欢迎您， " + loginDoctor.name;
                return;
            }
            
            loadQuestionaire(filterQuestionaire, "filter");
            loadQuestionaire(evaluationQuestionaire, "evaluation");
            labelHomepageCversion.Content = "编译日期：" + Toolkits.Constants.compileDate;
            labelSoftwareName.Content = String.Format("欢迎使用{0}", Constants.softwareName);
            
        }

        private void loadQuestionaire(List<QuestionAnswerPair> oneQuestionaire, string type = "filter")
        {
            oneQuestionaire.Clear();
            List<Question> questions = SQLite.SQLiteModel.getQuestions(type);
            foreach (Question oneQuestion in questions)
            {
                List<Answer> answers = SQLite.SQLiteModel.getAnswersByQid(oneQuestion.q_id);
                QuestionAnswerPair temp = new QuestionAnswerPair(oneQuestion, answers);
                oneQuestionaire.Add(temp);
            }
        }

        /// <summary>
        /// 筛查或评估流程页面识别快捷键的操作
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void processGrid_KeyDown(object sender, KeyEventArgs e)
        {
            //System.Console.WriteLine(String.Format("KeyDown detected. {0} is detected.", e.Key.ToString()));
            if (tabControlGeneral.SelectedIndex == 2 && tabFilter.SelectedIndex == 1)
            {
                //筛查流程中
                if (e.Key == Key.N && buttonFilterNext.IsEnabled)
                {
                    buttonFilterNext_Click(sender, (RoutedEventArgs)e);
                    return;
                }
                if (e.Key == Key.P && buttonFilterPrevious.IsEnabled)
                {
                    buttonFilterPrevious_Click(sender, (RoutedEventArgs)e);
                    return;
                }
                if (e.Key == Key.E)
                {
                    buttonAbortFilter_Click(sender, (RoutedEventArgs)e);
                    return;
                }
                if(e.Key == Key.S && buttonSubmitFilter.IsEnabled)
                {
                    buttonSubmitFilter_Click(sender, (RoutedEventArgs)e);
                    return;
                }
                if (Constants.keyboardToDigit.ContainsKey(e.Key.ToString()))
                {
                    int numInput = Constants.keyboardToDigit[e.Key.ToString()];
                    try
                    {
                        RadioButton rbTemp = (RadioButton)gridFilterSelection.Children[numInput - 1];
                        rbTemp.IsChecked = true;
                        radioButtonFilter_Checked(rbTemp, e);
                    }
                    catch (Exception)
                    {
                        return;
                    }
                    
                    return;
                }
            }
            else if(tabControlGeneral.SelectedIndex == 3 && tabEvaluation.SelectedIndex == 1)
            {
                //评估流程中
                if (e.Key == Key.N && buttonEvaluationNext.IsEnabled)
                {
                    buttonEvaluationNext_Click(sender, (RoutedEventArgs)e);
                    return;
                }
                if (e.Key == Key.E)
                {
                    buttonAbortEvaluation_Click(sender, (RoutedEventArgs)e);
                    return;
                }
                if (e.Key == Key.S && buttonSubmitEvaluation.IsEnabled)
                {
                    buttonSubmitEvaluation_Click(sender, (RoutedEventArgs)e);
                    return;
                }
                if (Constants.keyboardToDigit.ContainsKey(e.Key.ToString()))
                {
                    int numInput = Constants.keyboardToDigit[e.Key.ToString()];
                    try
                    {
                        RadioButton rbTemp = (RadioButton)gridEvaluationSelection.Children[numInput - 1];
                        rbTemp.IsChecked = true;
                        radioButtonEvaluation_Checked(rbTemp, e);
                    }
                    catch (Exception)
                    {
                        return;
                    }
                }
            }
            else
            {
                return;
            }
        }

        #endregion

        #region 首页功能

        //标题栏快速添加病例的接口
        private void Fast_Add_Patient_Button_Click(object sender, RoutedEventArgs e)
        {
            buttonAddPatient_Click(this, e);
        }

        //首页--新建用户
        private void buttonHomePageAddPatient_Click(object sender, RoutedEventArgs e)
        {
            buttonAddPatient_Click(this, e);
        }

        //首页--用户管理
        private void buttonHomePagePatientManagent_Click(object sender, RoutedEventArgs e)
        {
            tabControlGeneral.SelectedIndex = 1;
        }

        private void buttonHomePageFilterFunction_Click(object sender, RoutedEventArgs e)
        {
            tabControlGeneral.SelectedIndex = 2;
        }

        private void buttonHomePageEvaluationFunction_Click(object sender, RoutedEventArgs e)
        {
            tabControlGeneral.SelectedIndex = 3;
        }

        //首页--检测报告
        private void buttonHomeHistoryRecords_Click(object sender, RoutedEventArgs e)
        {
            tabControlGeneral.SelectedIndex = 4;
        }

        //首页--系统设置
        private void buttonHomePageSystemSettings_Click(object sender, RoutedEventArgs e)
        {
            tabControlGeneral.SelectedIndex = 5;
        }

        //关于程序
        private void buttonHomePageDataTransfer_Click(object sender, RoutedEventArgs e)
        {
            SmallDialogs.AboutBox ab = new SmallDialogs.AboutBox();
            ab.Show();
        }

        //首页--操作帮助
        private void buttonHomePageHelp_Click(object sender, RoutedEventArgs e)
        {
            System.Diagnostics.Process.Start("https://www.baidu.com");
        }


        #endregion

        #region 病例管理
        //病例管理
        //病例管理--病例管理

        #region 病例管理--添加病例
        //添加病例
        private void buttonAddPatient_Click(object sender, RoutedEventArgs e)
        {
            AddPatient a_new_one = new AddPatient(this);
            a_new_one.Show();
            //selectUserPatientManagent.LoadDataGrid();
        }
        #endregion  

        #region 病例管理--修改病例
        //修改病例
        public void buttonModifyPatient_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var target = (DataRowView)this.selectUserPatientManagent.dataGrid.SelectedItem;
                //MessageBox.Show(target["id"].ToString());
                ModifyUser modify_one = new ModifyUser(this, target["p_id"].ToString());
                modify_one.Show();
            }
            catch(Exception err)
            {
                //this.ShowMessageAsync("警告","请选择一个病例进行修改\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace );
                MessageBox.Show("请选择一个病例进行修改\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace,"警告");
            }  
        }
        #endregion

        #region 病例管理--删除病例
        //删除病例
        private void buttonDeletePatient_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var target = (DataRowView)this.selectUserPatientManagent.dataGrid.SelectedItem;
                if(target == null)
                {
                    MessageBox.Show("请选择一个病例进行删除", "提示");
                    return;
                }
                MessageBoxResult clickresult = MessageBox.Show("确认删除该病例？", "提示", MessageBoxButton.OKCancel);
                if (clickresult == MessageBoxResult.OK)
                {
                    int status = SQLite.SQLiteModel.DeletePatientItem(target["p_id"].ToString());
                    if (status > 0)
                    {
                        MessageBox.Show("删除成功","提示");
                    }
                    else
                    {
                        MessageBox.Show("已删除", "提示");
                    }
                }
                else if (clickresult == MessageBoxResult.Cancel)
                {
                    return;
                }
            }
            catch (Exception err)
            {
                MessageBox.Show("数据库故障\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace, "错误");
            }
            

            selectUserPatientManagent.LoadDataGrid();
            
        }
        #endregion
        #endregion

        #region 筛查功能

        /// <summary>
        /// 点击开始筛查后触发的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        public void buttonFilterSelectPatient_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var target = (DataRowView)this.selectUserfilter.dataGrid.SelectedItem;
                filterPatient = SQLite.SQLiteModel.getPatientById(target["p_id"].ToString());
            }
            catch (Exception err)
            {
                MessageBox.Show("请选择一个病例进行修改\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace, "警告");
                return;
            }
            if(filterPatient == null)
            {
                MessageBox.Show("数据库加载异常", "错误");
                return;
            }
            try
            {
                loadQuestionaire(filterQuestionaire, "filter");
                filterUserSelection.Clear();
                foreach(QuestionAnswerPair qa in filterQuestionaire)
                {
                    filterUserSelection.Add(new UserSelection(qa.question.q_id, 0));
                }
            }
            catch (Exception err)
            {
                MessageBox.Show("筛查题目加载失败\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace, "错误");
                return;
            }
            if(filterQuestionaire.Count == 0)
            {
                MessageBox.Show("筛查题目加载失败\r\n数据库中无有效问卷", "错误");
                return;
            }
            currentFilterCount = 1;
            loadQuestionViewFilter(currentFilterCount);
            tabFilter.SelectedIndex += 1;
        }


        /// <summary>
        /// 点击中止筛查后触发的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonAbortFilter_Click(object sender, RoutedEventArgs e)
        {
            filterUserSelection.Clear();
            filterPatient = null;
            resultsFilter = "";

            currentFilterCount = 0;
            buttonFilterPrevious.IsEnabled = false;
            buttonFilterNext.IsEnabled = false;
            buttonSubmitFilter.IsEnabled = false;

            tabFilter.SelectedIndex = 0;
        }

        /// <summary>
        /// 点击筛查上一步后触发的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonFilterPrevious_Click(object sender, RoutedEventArgs e)
        {
            currentFilterCount -= 1;
            loadQuestionViewFilter(currentFilterCount);
            checkFilterButtonStatues();
        }

        /// <summary>
        /// 点击筛查下一步后触发的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonFilterNext_Click(object sender, RoutedEventArgs e)
        {
            currentFilterCount += 1;
            loadQuestionViewFilter(currentFilterCount);
            checkFilterButtonStatues();
        }

        /// <summary>
        /// 确认筛查阶段各个按钮应当处于的状态
        /// </summary>
        private void checkFilterButtonStatues()
        {
            bool radioCheckFlag = false;
            foreach(RadioButton rb in gridFilterSelection.Children){
                if(rb.IsChecked == true)
                {
                    radioCheckFlag = true;
                }
            }
            if (radioCheckFlag && currentFilterCount < filterQuestionaire.Count)
                buttonFilterNext.IsEnabled = true;
            else
                buttonFilterNext.IsEnabled = false;
            if (currentFilterCount > 1)
                buttonFilterPrevious.IsEnabled = true;
            else
                buttonFilterPrevious.IsEnabled = false;
            bool allFilledFlag = true;
            foreach (UserSelection us in filterUserSelection)
            {
                if (us.a_id == 0)
                    allFilledFlag = false;
            }
            if (allFilledFlag)
                buttonSubmitFilter.IsEnabled = true;
            else
                buttonSubmitFilter.IsEnabled = false;
        }

        /// <summary>
        /// 加载题目和选项界面
        /// </summary>
        private void loadQuestionViewFilter(int currentIndex)
        {
            labelFilterNumberofTotalQuestions.Content = filterQuestionaire.Count.ToString();
            labelFilterNumberofCurrentQuestion.Content = currentIndex.ToString();
            labelFilterQuestionTitle.Content = filterQuestionaire[currentIndex - 1].question.q_title;
            textBlockFilterQuetionContent.Text = filterQuestionaire[currentIndex - 1].question.q_content;
            int countOptions = filterQuestionaire[currentIndex - 1].answers.Count;
            gridFilterSelection.Children.Clear();
            for (int i = 0; i< countOptions; ++i)
            {
                RadioButton oneOption = new RadioButton();
                oneOption.Height = 30;
                oneOption.HorizontalAlignment = HorizontalAlignment.Left;
                oneOption.VerticalAlignment = VerticalAlignment.Top;
                oneOption.Margin = new Thickness(i/5*200, i%5*40, 0, 0);
                if(filterUserSelection[currentIndex-1].a_id == filterQuestionaire[currentIndex - 1].answers[i].a_id)
                    oneOption.IsChecked = true;
                else
                    oneOption.IsChecked = false;
                oneOption.Content = String.Format("[选项{0}]:{1}", i+1, filterQuestionaire[currentIndex - 1].answers[i].a_content) ;
                oneOption.Checked += radioButtonFilter_Checked;
                oneOption.GroupName = "filterOption";
                oneOption.FontSize = 18;
                oneOption.Name = "rbf" + filterQuestionaire[currentIndex - 1].answers[i].a_id.ToString();
                gridFilterSelection.Children.Add(oneOption);
            }
        }

        private void radioButtonFilter_Checked(object sender, RoutedEventArgs e)
        {
            //首先，记录该选择
            RadioButton oneSelection = (RadioButton)sender;
            filterUserSelection[currentFilterCount - 1].a_id = Convert.ToInt32(oneSelection.Name.Substring(3));
            //MessageBox.Show(filterUserSelection[currentFilterCount - 1].a_id.ToString());
            //然后，确认各个按钮状态
            checkFilterButtonStatues();
        }

        /// <summary>
        /// 点击筛查提交后触发的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonSubmitFilter_Click(object sender, RoutedEventArgs e)
        {
            int[] timesLimit =  dop.getTimesCount();
            if(Constants.productionEnvironment && timesLimit[1] > timesLimit[0])
            {
                MessageBox.Show("此功能已超过Key授权次数，请使用一个新的Key进行操作。", "提示");
                return;
            }

            int inserted_r_id;
            resultsFilter = JsonMapper.ToJson(filterUserSelection);
            //MessageBox.Show(results);
            try
            {
                inserted_r_id = SQLiteModel.insertRecord(1, filterPatient.p_id, loginDoctor.id, 0, DateTime.Now, 0, resultsFilter);
                SQLiteModel.UpdatePatientDataWithLastDate(filterPatient.p_id, "p_last_filter_time", DateTime.Now);
            }
            catch (Exception err)
            {
                MessageBox.Show("储存筛查报告错误\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace, "错误");
                return;
            }
            dop.addOneCount();
            MessageBoxResult dr = MessageBox.Show("保存筛查结果成功，是否生成报告？", "提示", MessageBoxButton.OKCancel, MessageBoxImage.Question);
            if (dr == MessageBoxResult.OK)
            {
                try
                {
                    Record targetRecord = SQLiteModel.getRecordByID(inserted_r_id);
                    ReportGenerater.generateReport(1, filterPatient, loginDoctor, targetRecord, cfg.organization_name);
                    SQLiteModel.plusOneCountOnRecordByRid(inserted_r_id);
                }
                catch (Exception err)
                {
                    MessageBox.Show("报告生成异常，可能是这份报告当前已被打开无法写入，请尝试关闭该报告后重试。\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace, "错误");
                    return;
                }
                tabFilter.SelectedIndex = 2;
            }
            else
            {
                buttonAbortFilter_Click(sender, e);
            }
            return;
        }

        /// <summary>
        /// 返回至选择用户页
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonFilterBackToSelectUser_Click(object sender, RoutedEventArgs e)
        {
            buttonAbortFilter_Click(sender, e);
        }

        /// <summary>
        /// 返回至选择首页
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonFilterBackToHome_Click(object sender, RoutedEventArgs e)
        {
            buttonAbortFilter_Click(sender, e);
            tabControlGeneral.SelectedIndex = 0;
        }

        #endregion

        #region 评估功能

        /// <summary>
        /// 点击开始评估后触发的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        public void buttonEvaluationSelectPatient_Click(object sender, RoutedEventArgs e)
        {
            //基本逻辑如下：先找七天内与病例相匹配的筛查记录，如果有，那么要取出结果一题一题比对
            //如果没有，那么应当把筛查题进行加载处理
            try
            {
                var target = (DataRowView)this.selectUserevaluation.dataGrid.SelectedItem;
                evaluationPatient = SQLite.SQLiteModel.getPatientById(target["p_id"].ToString());
            }
            catch (Exception err)
            {
                MessageBox.Show("请选择一个病例进行修改\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace, "警告");
                return;
            }
            if (evaluationPatient == null)
            {
                MessageBox.Show("数据库加载异常", "错误");
                return;
            }
            try
            {
                loadQuestionaire(filterQuestionaire, "filter");
                evaluationQuestionaire.Clear();
                filterUserSelection.Clear();
                evaluationUserSelection.Clear();
                //这里尝试加载用户的筛查记录
                filterReportForEvaluation = SQLiteModel.getLatestXTypeRecordInYDays(evaluationPatient.p_id, 1, 7);
                if(filterReportForEvaluation == null)
                {
                    flagEvaluationWithoutFilter = true;
                    foreach (QuestionAnswerPair qa in filterQuestionaire)
                    {
                        filterUserSelection.Add(new UserSelection(qa.question.q_id, 0));
                    }
                }
                else
                {
                    var jsonUserSelections = filterReportForEvaluation.r_selection;
                    filterUserSelection = JsonMapper.ToObject<List<UserSelection>>(jsonUserSelections);
                    flagEvaluationWithoutFilter = false;
                }
                
            }
            catch (Exception err)
            {
                MessageBox.Show("筛查题目加载失败\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace, "错误");
                return;
            }
            if (filterQuestionaire.Count == 0)
            {
                MessageBox.Show("筛查题目加载失败\r\n数据库中无有效问卷", "错误");
                return;
            }
            if (flagEvaluationWithoutFilter)
            {
                MessageBox.Show("发现该病例一周内未进行初筛，评估过程中将自动进行初筛。","提示");
            }
            else
            {
                MessageBox.Show("发现该病例于"+ filterReportForEvaluation.r_time.ToString("yyyy-MM-dd HH:mm:ss") +"进行过初筛，评估过程中将使用此初筛结果。", "提示");
            }
            currentFilterCount = 1;
            currentEvaluationCount = 1;
            evaluationQuestionaire.Add(filterQuestionaire[currentFilterCount - 1]);
            evaluationUserSelection.Add(filterUserSelection[currentFilterCount - 1]);
            tabEvaluation.SelectedIndex += 1;
            checkStatusEvaluation();
        }

        /// <summary>
        /// 加载currentIndex的评估题目功能
        /// </summary>
        /// <param name="currentIndex">需要显示题目的题号</param>
        private void loadQuestionViewEvaluation(int currentIndex)
        {
            labelQuestionNumberofCurrentQuestion.Content = currentIndex.ToString();
            labelEvaluationQuestionTitle.Content = evaluationQuestionaire[currentIndex - 1].question.q_title;
            textBlockEvaluationQuetionContent.Text = evaluationQuestionaire[currentIndex - 1].question.q_content;
            int countOptions = evaluationQuestionaire[currentIndex - 1].answers.Count;
            gridEvaluationSelection.Children.Clear();
            for (int i = 0; i < countOptions; ++i)
            {
                RadioButton oneOption = new RadioButton();
                oneOption.Height = 30;
                oneOption.HorizontalAlignment = HorizontalAlignment.Left;
                oneOption.VerticalAlignment = VerticalAlignment.Top;
                oneOption.Margin = new Thickness(i / 5 * 200, i % 5 * 40, 0, 0);
                if (evaluationUserSelection[currentIndex - 1].a_id == evaluationQuestionaire[currentIndex - 1].answers[i].a_id)
                    oneOption.IsChecked = true;
                else
                    oneOption.IsChecked = false;
                oneOption.Content = String.Format("[选项{0}]:{1}", i + 1, evaluationQuestionaire[currentIndex - 1].answers[i].a_content);
               oneOption.Checked += radioButtonEvaluation_Checked;
               oneOption.GroupName = "evaluationOption";
               oneOption.FontSize = 18;
               oneOption.Name = "rbe" + evaluationQuestionaire[currentIndex - 1].answers[i].a_id.ToString();
               gridEvaluationSelection.Children.Add(oneOption);
            }
        }

        /// <summary>
        /// 检查当前答题状态，判断是否需要跳过该题和控制加载题目的功能，能够维护userselection和questionaire
        /// </summary>
        private void checkStatusEvaluation()
        {
            if(!flagEvaluationWithoutFilter && evaluationQuestionaire[currentEvaluationCount-1].question.q_type == 1)
            {
                //有预加载的筛查报告且当前问题是一道筛查题
                Answer aTemp = SQLiteModel.getAnswerById(filterUserSelection[currentFilterCount - 1].a_id);
                if (aTemp == null || aTemp.next_q_id == 0)
                {
                    if(currentFilterCount == filterQuestionaire.Count)
                    {
                        //当前所有题目都已经做完了
                        buttonEvaluationNext.IsEnabled = false;
                        bool allQuestionAreSeleceted = true;
                        foreach (UserSelection us in evaluationUserSelection)
                        {
                            if (us.a_id == 0)
                                allQuestionAreSeleceted = false;
                        }
                        //经过检查可以提交
                        buttonSubmitEvaluation.IsEnabled = allQuestionAreSeleceted;
                    }
                    else
                    {
                        //还有剩下的筛选题没有过
                        QuestionAnswerPair qaPairEvaluation = filterQuestionaire[currentFilterCount];
                        //当前元素后面的题目和选项都清空
                        for (int i = evaluationQuestionaire.Count - 1; i > currentEvaluationCount - 1; --i)
                        {
                            evaluationQuestionaire.RemoveAt(i);
                            evaluationUserSelection.RemoveAt(i);
                        }
                        evaluationQuestionaire.Add(qaPairEvaluation);
                        evaluationUserSelection.Add(filterUserSelection[currentFilterCount]);
                        //再刷新一次
                        ++currentFilterCount;
                        ++currentEvaluationCount;
                        checkStatusEvaluation();
                    }

                }
                else
                {
                    //否则还有评估题没做
                    Question aEvaluationQuestion = SQLiteModel.getQuestionById(aTemp.next_q_id);
                    List<Answer> answersToTheEvaluation = SQLiteModel.getAnswersByQid(aEvaluationQuestion.q_id);
                    QuestionAnswerPair qaPairEvaluation = new QuestionAnswerPair(aEvaluationQuestion, answersToTheEvaluation);
                    //当前元素后面的题目和选项都清空
                    for(int i= evaluationQuestionaire.Count - 1; i > currentEvaluationCount - 1; --i)
                    {
                        evaluationQuestionaire.RemoveAt(i);
                        evaluationUserSelection.RemoveAt(i);
                    }
                    evaluationQuestionaire.Add(qaPairEvaluation);
                    evaluationUserSelection.Add(new UserSelection(aEvaluationQuestion.q_id, 0));
                    //再刷新一次
                    ++currentEvaluationCount;
                    checkStatusEvaluation();
                }
            }
            else
            {
                //其他情况：没有预加载的筛选题或者有预加载的筛选题但是是一道评估题
                loadQuestionViewEvaluation(currentEvaluationCount);
                buttonEvaluationNext.IsEnabled = false;
                buttonSubmitEvaluation.IsEnabled = false;
            }
        }

        /// <summary>
        /// 评估单选选项被选中的触发事件，主要是修改内存中的选择和判断下一题及提交按钮是否可用
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void radioButtonEvaluation_Checked(object sender, RoutedEventArgs e)
        {
            //首先，记录该选择
            RadioButton oneSelection = (RadioButton)sender;
            evaluationUserSelection[currentEvaluationCount - 1].a_id = Convert.ToInt32(oneSelection.Name.Substring(3));
            if (flagEvaluationWithoutFilter && evaluationQuestionaire[currentEvaluationCount-1].question.q_type ==1)
            {
                filterUserSelection[currentFilterCount - 1].a_id = Convert.ToInt32(oneSelection.Name.Substring(3));
            }
            //MessageBox.Show(filterUserSelection[currentFilterCount - 1].a_id.ToString());
            Answer oneAnswer = SQLiteModel.getAnswerById(evaluationUserSelection[currentEvaluationCount - 1].a_id);
            if(currentFilterCount == filterQuestionaire.Count && oneAnswer.next_q_id == 0)
            {
                //后面没有题目了，可以提交
                buttonEvaluationNext.IsEnabled = false;
                bool allQuestionAreSeleceted = true;
                foreach (UserSelection us in evaluationUserSelection)
                {
                    if (us.a_id == 0)
                        allQuestionAreSeleceted = false;
                }
                //经过检查可以提交
                buttonSubmitEvaluation.IsEnabled = allQuestionAreSeleceted;
            }
            else
            {
                //否则可以做下一题
                buttonEvaluationNext.IsEnabled = true;
                buttonSubmitEvaluation.IsEnabled = false;
            }
            
        }

        /// <summary>
        /// （未实现）评估过程中点击上一题的触发事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonEvaluationPrevious_Click(object sender, RoutedEventArgs e)
        {

        }

        /// <summary>
        /// 点击评估页下一题后触发的事件，主要是判断接下来加载哪一题
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonEvaluationNext_Click(object sender, RoutedEventArgs e)
        {
            //先看看后面有没有进退阶题目了
            Answer oneAnswer = SQLiteModel.getAnswerById(evaluationUserSelection[currentEvaluationCount - 1].a_id);
            if(oneAnswer.next_q_id!= 0)
            {
                //还有后续题目
                Question aEvaluationQuestion = SQLiteModel.getQuestionById(oneAnswer.next_q_id);
                List<Answer> answersToTheEvaluation = SQLiteModel.getAnswersByQid(aEvaluationQuestion.q_id);
                QuestionAnswerPair qaPairEvaluation = new QuestionAnswerPair(aEvaluationQuestion, answersToTheEvaluation);
                //当前元素后面的题目和选项都清空
                for (int i = evaluationQuestionaire.Count - 1; i > currentEvaluationCount - 1; --i)
                {
                    evaluationQuestionaire.RemoveAt(i);
                    evaluationUserSelection.RemoveAt(i);
                }
                evaluationQuestionaire.Add(qaPairEvaluation);
                evaluationUserSelection.Add(new UserSelection(aEvaluationQuestion.q_id, 0));
                //再刷新一次
                ++currentEvaluationCount;
                checkStatusEvaluation();
            }
            else
            {
                //否则跳到下一个筛选题上面
                QuestionAnswerPair qaPairEvaluation = filterQuestionaire[currentFilterCount];
                //当前元素后面的题目和选项都清空
                for (int i = evaluationQuestionaire.Count - 1; i > currentEvaluationCount - 1; --i)
                {
                    evaluationQuestionaire.RemoveAt(i);
                    evaluationUserSelection.RemoveAt(i);
                }
                evaluationQuestionaire.Add(qaPairEvaluation);
                evaluationUserSelection.Add(filterUserSelection[currentFilterCount]);
                //再刷新一次
                ++currentFilterCount;
                ++currentEvaluationCount;
                checkStatusEvaluation();
            }
        }

        /// <summary>
        /// 点击评估页提交后触发的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonSubmitEvaluation_Click(object sender, RoutedEventArgs e)
        {
            int[] timesLimit = dop.getTimesCount();
            if (Constants.productionEnvironment && timesLimit[1] > timesLimit[0])
            {
                MessageBox.Show("此功能已超过Key授权次数，请使用一个新的Key进行操作。", "提示");
                return;
            }

            int inserted_r_id;
            resultsFilter = JsonMapper.ToJson(filterUserSelection);
            resultsEvaluation = JsonMapper.ToJson(evaluationUserSelection);
            try
            {
                int tempRId;
                if (flagEvaluationWithoutFilter)
                {
                    tempRId = SQLiteModel.insertRecord(1, evaluationPatient.p_id, loginDoctor.id, 0, DateTime.Now, 0, resultsFilter);
                    SQLiteModel.UpdatePatientDataWithLastDate(evaluationPatient.p_id, "p_last_filter_time", DateTime.Now);
                }
                else
                {
                    tempRId = filterReportForEvaluation.r_id;
                }
                inserted_r_id = SQLiteModel.insertRecord(2, evaluationPatient.p_id, loginDoctor.id, tempRId, DateTime.Now, 0, resultsEvaluation);
                SQLiteModel.UpdatePatientDataWithLastDate(evaluationPatient.p_id, "p_last_evaluation_time", DateTime.Now);
            }
            catch (Exception err)
            {
                MessageBox.Show("储存筛查报告错误\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace, "错误");
                return;
            }
            dop.addOneCount();
            MessageBoxResult dr = MessageBox.Show("保存成功，是否生成报告?", "提示", MessageBoxButton.OKCancel, MessageBoxImage.Question);
            if (dr == MessageBoxResult.OK)
            {
                try
                {
                    Record targetRecord = SQLiteModel.getRecordByID(inserted_r_id);
                    SQLiteModel.plusOneCountOnRecordByRid(inserted_r_id);
                    ReportGenerater.generateReport(2, evaluationPatient, loginDoctor, targetRecord, cfg.organization_name);
                }
                catch (Exception err)
                {
                    MessageBox.Show("报告生成异常，可能是这份报告当前已被打开无法写入，请尝试关闭该报告后重试。\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace, "错误");
                    return;
                }

                tabEvaluation.SelectedIndex = 2;
            }
            else
            {
                buttonAbortEvaluation_Click(sender, e);
            }
            return;
        }

        /// <summary>
        /// 点击评估页中止评估后触发的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonAbortEvaluation_Click(object sender, RoutedEventArgs e)
        {
            //清理相关变量
            filterQuestionaire.Clear();
            filterUserSelection.Clear();
            evaluationQuestionaire.Clear();
            evaluationUserSelection.Clear();
            flagEvaluationWithoutFilter = true;
            filterReportForEvaluation = null;
            evaluationPatient = null;
            resultsFilter = "";
            resultsEvaluation = "";

            currentFilterCount = 0;
            currentEvaluationCount = 0;
            //buttonFilterPrevious.IsEnabled = false;
            buttonEvaluationNext.IsEnabled = false;
            buttonSubmitEvaluation.IsEnabled = false;

            tabEvaluation.SelectedIndex = 0;
        }

        /// <summary>
        /// 返回至选择用户页
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonEvaluationBackToSelectUser_Click(object sender, RoutedEventArgs e)
        {
            buttonAbortEvaluation_Click(sender, e);
        }

        /// <summary>
        /// 返回至选择首页
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonEvaluationBackToHome_Click(object sender, RoutedEventArgs e)
        {
            buttonAbortEvaluation_Click(sender, e);
            tabControlGeneral.SelectedIndex = 0;
        }

        #endregion

        #region 历史记录

        /// <summary>
        /// 点击选择病例查看其历史记录后触发的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        public void buttonHistorySelectPatient_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var target = (DataRowView)this.selectUserHistory.dataGrid.SelectedItem;
                historyPatient = SQLiteModel.getPatientById(Convert.ToString(target["p_id"]));
                recordsFromOnePatient = SQLiteModel.getRecordsByPid(Convert.ToInt32(target["p_id"]));
            }
            catch (Exception err)
            {
                MessageBox.Show("请选择一个病例进行修改\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace, "警告");
                return;
            }
            if (recordsFromOnePatient == null || historyPatient == null)
            {
                MessageBox.Show("数据库加载异常", "错误");
                return;
            }

            try
            {
                bindingRecords = new BindingList<Record>(recordsFromOnePatient);
                dataGridRecords.ItemsSource = bindingRecords;
            }
            catch(Exception err)
            {
                MessageBox.Show("数据库加载异常\r\n调试信息：\r\n"+err.StackTrace, "错误");
                return;
            }
            tabHistoryRecords.SelectedIndex = 1;
        }

        /// <summary>
        /// 在选择记录页面，点击返回上一级触发的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonHistoryBackToSelectUser_Click(object sender, RoutedEventArgs e)
        {
            recordsFromOnePatient.Clear();
            tabHistoryRecords.SelectedIndex = 0;
        }

        /// <summary>
        /// 由历史记录相关页面返回至首页的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonHistoryBackToHome_Click(object sender, RoutedEventArgs e)
        {
            recordsFromOnePatient.Clear();
            tabHistoryRecords.SelectedIndex = 0;
            tabControlGeneral.SelectedIndex = 0;
        }

        /// <summary>
        /// 点击生成报告的页面
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonRegenerateReport_Click(object sender, RoutedEventArgs e)
        {
            Record targetRecord;
            try
            {
                var target = this.dataGridRecords.SelectedItem as Record;
                targetRecord = SQLiteModel.getRecordByID(Convert.ToInt32(target.r_id));
            }
            catch (Exception err)
            {
                MessageBox.Show("请选择一个记录进行生成\r\n" + err.StackTrace, "提示");
                return;
            }
            if (targetRecord == null)
            {
                MessageBox.Show("数据库加载异常", "错误");
                return;
            }
            try
            {
                ReportGenerater.generateReport(targetRecord.r_type, historyPatient, loginDoctor, targetRecord, cfg.organization_name);
                SQLiteModel.plusOneCountOnRecordByRid(targetRecord.r_id);
            }
            catch(Exception err)
            {
                MessageBox.Show("报告生成异常，可能是这份报告当前已被打开无法写入，请尝试关闭该报告后重试。\r\n调试信息：\r\n" + err.StackTrace, "错误");
                return;
            }
            tabHistoryRecords.SelectedIndex = 2;
        }

        /// <summary>
        /// 从报告生成页点击返回上一页的事件
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonHistoryBackToSelectRecord_Click(object sender, RoutedEventArgs e)
        {
            tabHistoryRecords.SelectedIndex = 1;
        }

        /// <summary>
        /// 双击报告也要生成报告的功能
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void dataGridRecords_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            buttonRegenerateReport_Click(sender, e);
        }

        #endregion

        #region 系统设置
        //系统设置
        //进入系统设置前主任级别用户的身份验证
        async private void tabControlGeneral_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            //System.Console.WriteLine(Convert.ToString(tabControlGeneral.SelectedIndex));
            if (e.Source is TabControl)
            {
                //系统设置页验证
                if (tabitemDoctorSetting.IsSelected)
                {
                    DateTime now = DateTime.Now;
                    if (lastSettingLogin != null && (now - lastSettingLogin).Minutes <= 10)
                    {
                        //如果上次有登陆而且登陆时间在10分钟以内，则免登陆
                        return;
                    }

                    bool dialogLoop = true;
                    bool wrongPassword = false;
                    string description;
                    int x = 1;
                    while (dialogLoop)
                    {
                        x++;
                        if (wrongPassword)
                        {
                            description = "用户名或密码不正确，请重新输入账号和密码进入系统设置";
                        }
                        else
                        {
                            description = "请输入账号和密码进入系统设置";
                        }
                        LoginDialogData loginDialogData;
                        loginDialogData = await this.ShowLoginAsync
                            (
                                "输入科室主任级别账号密码以继续..." + Convert.ToString(x),
                                description,
                                new LoginDialogSettings
                                {
                                    ColorScheme = MetroDialogColorScheme.Accented,
                                    UsernameWatermark = "用户名",
                                    PasswordWatermark = "密码",
                                    NegativeButtonVisibility = Visibility.Visible
                                }
                            );
                        if (loginDialogData == null)
                        {
                            dialogLoop = false;
                            tabControlGeneral.SelectedIndex = 0;
                            return;
                            //break;

                        }
                        //调用数据库验证
                        string doctorName = loginDialogData.Username;
                        string doctorPassword = loginDialogData.Password;
                        string doctorPWD = Toolkits.ComputeHash.GetMD5(doctorPassword);
                        doctor loginDirector = SQLiteModel.directorLogin(doctorName, doctorPWD);
                        if (loginDirector == null)
                        {
                            //MessageBox.Show("admin");
                            wrongPassword = true;
                            dialogLoop = true;
                        }
                        else
                        {
                            lastSettingLogin = DateTime.Now;
                            dialogLoop = false;
                            return;
                            //break;
                        }
                    }
                }
                //高级系统设置验证页
                //if (tabitemOEMSetting.IsSelected)
            }
        }

        private void tabControlSystemSetting_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            lastSettingLogin = DateTime.Now;
        }

        #region 医师管理
        //系统设置--医师管理
        private void LoadDoctorDataGrid(object sender, RoutedEventArgs e)
        {
            LoadDoctorDataGrid();
        }
        public void LoadDoctorDataGrid()
        {
            //连接字符串
            string Connstr = Toolkits.Constants.Connstr;
            //连接对象
            System.Data.SQLite.SQLiteConnection con = new System.Data.SQLite.SQLiteConnection(Connstr);
            //Sql语句
            string selectCmd = "SELECT * FROM Doctor WHERE delete_flag=0 AND name != '" + Constants.adminUsername + "' LIMIT 100";
            con.Open();
            da = new System.Data.SQLite.SQLiteDataAdapter(selectCmd, con);
            ds = new DataSet();
            da.Fill(ds);

            dataGridDoctor.ItemsSource = ds.Tables[0].DefaultView;
            con.Close();
        }

        //新增医师
        private void buttonAddDoctor_Click(object sender, RoutedEventArgs e)
        {
            AddDoctor a_new_doctor = new AddDoctor(this);
            a_new_doctor.Show();
        }
        //修改医师
        private void buttonChangeDoctor_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var target = (DataRowView)this.dataGridDoctor.SelectedItem;
                //MessageBox.Show(target["id"].ToString());
                ModifyDoctor modify_one = new ModifyDoctor(this, target["id"].ToString());
                modify_one.Show();
            }
            catch (Exception err)
            {
                this.ShowMessageAsync("警告", "请选择一个医生进行修改\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace);
            }
        }
        //双击表格触发修改医师的方法
        private void dataGridDoctor_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            buttonChangeDoctor_Click(this, e);
        }
        //修改医师密码
        private void buttonChangeDoctorPWD_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var target = (DataRowView)this.dataGridDoctor.SelectedItem;
                //MessageBox.Show(target["id"].ToString());
                ModifyDoctorPWD modify_one = new ModifyDoctorPWD(this, target["id"].ToString());
                modify_one.Show();
            }
            catch (Exception err)
            {
                this.ShowMessageAsync("警告", "请选择一个医生进行修改\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace);
            }
        }
        //删除医师
        private async void buttonDeleteDoctor_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                var target = (DataRowView)this.dataGridDoctor.SelectedItem;
                if (target == null)
                {
                    await this.ShowMessageAsync("提示", "请选择一个医生进行删除");
                    return;
                }
                MessageDialogResult clickresult = await this.ShowMessageAsync("提示", "确认删除该医生信息吗？", MessageDialogStyle.AffirmativeAndNegative);
                if (clickresult == MessageDialogResult.Affirmative)//确认
                {
                    int status = SQLite.SQLiteModel.DeleteDoctorItem(target["id"].ToString());
                    if (status > 0)
                    {
                        await this.ShowMessageAsync("提示", "删除成功！");
                    }
                    else
                    {
                        await this.ShowMessageAsync("警告", "目标已被删除");
                    }
                }
                else//取消
                {
                    return;
                }
            }
            catch (Exception err)
            {
                await this.ShowMessageAsync("警告", "请选择一个医生进行删除！\r\n调试信息：" + err.Message + "\r\n" + err.StackTrace);
            }
            LoadDoctorDataGrid();
        }
        //筛选医师
        private void buttonFindDoctor_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                //连接字符串
                string Connstr = "Data Source=" + System.Environment.CurrentDirectory + "\\Junde.db3"; ;
                //连接对象
                System.Data.SQLite.SQLiteConnection con = new System.Data.SQLite.SQLiteConnection(Connstr);
                string namelike = textBoxFindDoctor.Text;
                //MessageBox.Show(namelike);
                //Sql语句
                string selectCmd = "SELECT * FROM Doctor WHERE NAME LIKE \'%" + namelike + "%\' AND delete_flag=0  LIMIT 100";
                con.Open();
                System.Data.SQLite.SQLiteDataAdapter da_1 = new System.Data.SQLite.SQLiteDataAdapter(selectCmd, con);
                DataSet ds_1 = new DataSet();
                da_1.Fill(ds_1);

                dataGridDoctor.ItemsSource = ds_1.Tables[0].DefaultView;
                con.Close();
            }
            catch (Exception err)
            {
                MessageBox.Show("数据库错误.\r\n调试信息：" + err.Message, "错误");
            }
        }
        #endregion

        #region 其他设置

        /// <summary>
        /// 更换医疗机构名称
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonModifyRegisterInfo_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                SQLiteModel.UpdateOrganizationName(Toolkits.FilterDangerousCharacter.filter(textBoxOrganizationName.Text));
            }
            catch (Exception)
            {
                MessageBox.Show("更新失败！", "错误");
            }
            MessageBox.Show("更新成功", "提示");
            
        }

        /// <summary>
        /// buttonOptmizeDatabase_Click:点击优化数据库的方法，把已经被删除的数据进行彻底清除
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonOptmizeDatabase_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                //获取标记为删除的病人记录
                List<int> ids_to_be_deleted = SQLite.SQLiteModel.getDeletedPatients();
                //确实删除这些病人记录
                SQLite.SQLiteModel.realDeleteRecords();
                //确实删除这些病人所含有的检查记录
                foreach(int each_line in ids_to_be_deleted)
                {
                    SQLite.SQLiteModel.deleteRecordByPid(each_line);
                }
                //SQLiteModel.optmizeDatabase();
                MessageBox.Show("操作完成", "信息");
            }
            catch (Exception err)
            {
                MessageBox.Show("数据库异常\r\b"+err.Message+"\r\b"+err.StackTrace, "错误");
            }
        }

        /// <summary>
        /// buttonDeleteAllPdfReport_Click:点击删除某一目录下所有文件的方法
        /// </summary>
        /// <param name="sender">默认</param>
        /// <param name="e">默认</param>
        private void buttonDeleteFiles_Click(object sender, RoutedEventArgs e)
        {
            string target_path = "";
            if (((Button)sender).Equals(buttonDeleteAllPdfReport))
            {
                target_path = Constants.reportPath;
            }
            try
            {
                DirectoryInfo dir = new DirectoryInfo(target_path);
                FileSystemInfo[] fileinfo = dir.GetFileSystemInfos();  //返回目录中所有文件和子目录
                foreach (FileSystemInfo i in fileinfo)
                {
                    if (i is DirectoryInfo)            //判断是否文件夹
                    {
                        DirectoryInfo subdir = new DirectoryInfo(i.FullName);
                        subdir.Delete(true);          //删除子目录和文件
                    }
                    else
                    {
                        File.Delete(i.FullName);      //删除指定文件
                    }
                }
                MessageBox.Show("操作完成", "信息");
            }
            catch (Exception)
            {
                MessageBox.Show("文件系统异常", "错误");
            }
        }
        #endregion

        #endregion
    }
}