using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using WpfTest1.Toolkits;

namespace WpfTest1
{
    /// <summary>
    /// ModifyUser.xaml 的交互逻辑
    /// </summary>
    public partial class ModifyUser : Window
    {
        string id;
        MainWindow father;
        SQLite.Patient target;
        //构造函数，首先查找所需要修改的记录并填充，之后修改
        public ModifyUser(MainWindow father,string id)
        {
            InitializeComponent();
            this.father = father;
            if (id == "")
            {
                MessageBox.Show("未查找到该记录", "错误");
                this.Close();
            }
            this.id = id;
            try
            {
                target = SQLite.SQLiteModel.getPatientById(id);
                if(target == null)
                {
                    MessageBox.Show("未查找到该记录", "错误");
                    this.Close();
                }
            }catch(Exception err)
            {
                MessageBox.Show("数据库错误\r\n调试信息："+err.Message+"\r\n"+err.StackTrace, "错误");
                this.Close();
            }

            //查找完毕开始填充
            fillBlanks();
            
        }

        //用系统中的Patient target 填充所有空格
        private void fillBlanks()
        {
            textBoxCaseId.Text = target.p_record_id;
            textBoxGender.Text = target.p_gender;
            textBoxName.Text = target.p_name;
            textBoxPY.Text = target.p_name_py;
            textBoxHeight.Text = target.p_height.ToString();
            textBoxWeight.Text = target.p_weight.ToString();
            textBoxPregnancyTimes.Text = target.p_pregnancy_time.ToString();
            textBoxBirthDate.Text = target.p_birthdate.ToString("yyyy/M/d");
            textBoxMobile.Text = target.p_phone;
            textBoxAddress.Text = target.p_address;
            textBoxHistory.Text = target.p_history;
            textBoxDiagnosis.Text = target.p_diagnosis;
        }

        //每输一个姓名摘取其拼音缩写
        private void textBoxName_TextChanged(object sender, TextChangedEventArgs e)
        {
            string source_text = textBoxName.Text;
            string result_PY = "";
            for (int i = 0; i < source_text.Length; i++)
            {
                result_PY += Toolkits.StringToPY.GetCharSpellCode(Convert.ToString(source_text[i]));
            }
            textBoxPY.Text = result_PY;
        }

        private void buttonAddPatinetcSubmit_Click(object sender, RoutedEventArgs e)
        {
            if (textBoxCaseId.Text == "")
            {
                MessageBox.Show("必要信息未填写");
                textBoxCaseId.Focus();
                return;
            }
            if (textBoxGender.Text == "")
            {
                MessageBox.Show("必要信息未填写");
                textBoxGender.Focus();
                return;
            }
            if (textBoxName.Text == "")
            {
                MessageBox.Show("必要信息未填写");
                textBoxName.Focus();
                return;
            }
            if (textBoxPY.Text == "")
            {
                MessageBox.Show("必要信息未填写");
                textBoxPY.Focus();
                return;
            }
            if (textBoxHeight.Text == "")
            {
                MessageBox.Show("必要信息未填写");
                textBoxHeight.Focus();
                return;
            }
            if (textBoxWeight.Text == "")
            {
                MessageBox.Show("必要信息未填写");
                textBoxWeight.Focus();
                return;
            }
            if (textBoxPregnancyTimes.Text == "")
            {
                MessageBox.Show("必要信息未填写");
                textBoxPregnancyTimes.Focus();
                return;
            }
            if (textBoxBirthDate.Text == "")
            {
                MessageBox.Show("出生日期未选择");
                textBoxBirthDate.Focus();
                return;
            }

            //筛选通过后调用数据库进行存储
            string record_id = FilterDangerousCharacter.filter(textBoxCaseId.Text);
            string name = FilterDangerousCharacter.filter(textBoxName.Text);
            string py = FilterDangerousCharacter.filter(textBoxPY.Text);
            string height = FilterDangerousCharacter.filter(textBoxHeight.Text);
            string weight = FilterDangerousCharacter.filter(textBoxWeight.Text);
            string gender = FilterDangerousCharacter.filter(textBoxGender.Text);
            string pregnancytimes = FilterDangerousCharacter.filter(textBoxPregnancyTimes.Text);
            string birthdate = FilterDangerousCharacter.filter(textBoxBirthDate.Text);
            DateTime dt;
            System.Globalization.DateTimeFormatInfo dtFormat = new System.Globalization.DateTimeFormatInfo();
            //MessageBox.Show(pregnancydate);
            dtFormat.ShortDatePattern = "yyyy/M/d";
            dt = Convert.ToDateTime(birthdate, dtFormat);
            string mobile = FilterDangerousCharacter.filter(textBoxMobile.Text);
            string address = FilterDangerousCharacter.filter(textBoxAddress.Text);
            string history = FilterDangerousCharacter.filter(textBoxHistory.Text);
            string diagnosis = FilterDangerousCharacter.filter(textBoxDiagnosis.Text);

            bool success_flag = true;
            try
            {
                SQLite.SQLiteModel.UpdatePatientData(id,
                                                     record_id,
                                                     name,
                                                     gender,
                                                     Convert.ToDouble(height),
                                                     Convert.ToDouble(weight),
                                                     Convert.ToInt32(pregnancytimes),
                                                     dt,
                                                     mobile,
                                                     address,
                                                     history,
                                                     diagnosis,
                                                     py);
            }
            catch (Exception err)
            {
                success_flag = false;
                MessageBox.Show("数据库错误.\r\n调试信息：" + err.Message+"\r\n"+err.StackTrace, "错误");
            }
            if (success_flag)
            {
                MessageBox.Show("修改成功", "提示");
                father.selectUserPatientManagent.LoadDataGrid();
                this.Close();
            }
        }

        //点击重置按钮的效果
        private void buttonAddPatinetcReset_Click(object sender, RoutedEventArgs e)
        {
            fillBlanks();
        }

        private void buttonAddPatinetcCancel_Click(object sender, RoutedEventArgs e)
        {
            MessageBoxResult dr = MessageBox.Show("是否放弃修改？", "提示", MessageBoxButton.OKCancel);
            if (dr == MessageBoxResult.OK)
            {
                this.Close();
            }
            else if (dr == MessageBoxResult.Cancel)
            {
                return;
            }
        }
    }
}