using System.IO;
using System.Reflection;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media.Imaging;
using Microsoft.Win32;

namespace ArchivesCenter3
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            updateinfo();
            LoadFileContent();
            Version version = Assembly.GetExecutingAssembly().GetName().Version;
            versionTextBlock.Text = $"版本号：{version.Major}.{version.Minor}.{version.Build}";
        }

        private List<string> lines; // 存储文件内容的列表
        private int currentIndex = -1; // 当前行索引
        private bool isNewRecord = false; // 标记是否是新建记录

        private void updateinfo()
        {
            welcomeText.Text = "欢迎！" + Settings1.Default.Username + "         ";
            WelcomeTitle.Text = Settings1.Default.WelcomeTitle;
            DatabaseName.Text = Settings1.Default.DatabaseName;
            DatabaseSubtitle.Text = Settings1.Default.DatabaseSubtitle;
            UsernameCu.Text = Settings1.Default.Username;
            WelcomeTitleCu.Text = Settings1.Default.WelcomeTitle;
            DatabaseNameCu.Text = Settings1.Default.DatabaseName;
            DatabaseSubtitleCu.Text = Settings1.Default.DatabaseSubtitle;
            PasswordCu.Text = Settings1.Default.Password;
            DatabaseNameBox.Text = null;
            DatabaseSubtitleBox.Text = null;
            WelcomeTitleBox.Text = null;
            UsernameBox.Text = null;
            PasswordBox.Text = null;
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            if (!string.IsNullOrEmpty(DatabaseNameBox.Text))
                Settings1.Default.DatabaseName = DatabaseNameBox.Text;

            if (!string.IsNullOrEmpty(DatabaseSubtitleBox.Text))
                Settings1.Default.DatabaseSubtitle = DatabaseSubtitleBox.Text;

            if (!string.IsNullOrEmpty(WelcomeTitleBox.Text))
                Settings1.Default.WelcomeTitle = WelcomeTitleBox.Text;

            if (!string.IsNullOrEmpty(UsernameBox.Text))
                Settings1.Default.Username = UsernameBox.Text;

            if (!string.IsNullOrEmpty(PasswordBox.Text))
                Settings1.Default.Password = PasswordBox.Text;
            Settings1.Default.Save();
            updateinfo();
        }

        private void TextChanged(object sender, TextChangedEventArgs e)
        {
            bool allTextBoxesEmpty = string.IsNullOrWhiteSpace(DatabaseNameBox.Text) &&
                             string.IsNullOrWhiteSpace(DatabaseSubtitleBox.Text) &&
                             string.IsNullOrWhiteSpace(WelcomeTitleBox.Text) &&
                             string.IsNullOrWhiteSpace(UsernameBox.Text) &&
                             string.IsNullOrWhiteSpace(PasswordBox.Text);
            settingSaveButton0.IsEnabled = !allTextBoxesEmpty;
            settingSaveButton1.IsEnabled = !allTextBoxesEmpty;
        }


        private void LoadFileContent()
        {
            // 获取用户文档文件夹路径
            string userDocumentsPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
            // 构建目标文件路径
            string filePath = Path.Combine(userDocumentsPath, "ArchivesCenter", "data", "people", "content.txt");

            // 检查文件是否存在
            if (File.Exists(filePath))
            {
                // 读取文件内容
                lines = File.ReadAllLines(filePath).ToList();
            }
            else
            {
                lines = new List<string>();
            }
        }

        private void DisplayCurrentLine()
        {
            if (currentIndex >= 0 && currentIndex < lines.Count)
            {
                string[] parts = lines[currentIndex].Split(new string[] { "**" }, StringSplitOptions.None);

                txtName.Text = parts.Length > 0 ? parts[0] : string.Empty;
                cmbGender.SelectedItem = GetComboBoxItem(cmbGender, parts.Length > 1 ? parts[1] : null);
                dpBirthDate.SelectedDate = parts.Length > 2 ? DateTime.Parse(parts[2]) : (DateTime?)null;
                cmbLevel.SelectedItem = GetComboBoxItem(cmbLevel, parts.Length > 3 ? parts[3] : null);
                cmbTag.SelectedItem = GetComboBoxItem(cmbTag, parts.Length > 4 ? parts[4] : null);
                cmbIDType.SelectedItem = GetComboBoxItem(cmbIDType, parts.Length > 5 ? parts[5] : null);
                txtIDNumber.Text = parts.Length > 6 ? parts[6] : string.Empty;
                cmbBirthplace.SelectedItem = GetComboBoxItem(cmbBirthplace, parts.Length > 7 ? parts[7] : null);
                cmbPoliticalStatus.SelectedItem = GetComboBoxItem(cmbPoliticalStatus, parts.Length > 8 ? parts[8] : null);
                cmbMaritalStatus.SelectedItem = GetComboBoxItem(cmbMaritalStatus, parts.Length > 9 ? parts[9] : null);
                txtAddress.Text = parts.Length > 10 ? parts[10] : string.Empty;
                txtFamilySituation.Text = parts.Length > 11 ? parts[11] : string.Empty;
                txtAcquaintancePlace.Text = parts.Length > 12 ? parts[12] : string.Empty;
                cmbRelativeStatus.SelectedItem = GetComboBoxItem(cmbRelativeStatus, parts.Length > 13 ? parts[13] : null);
                cmbEducation.SelectedItem = GetComboBoxItem(cmbEducation, parts.Length > 14 ? parts[14] : null);
                txtPrimarySchool.Text = parts.Length > 15 ? parts[15] : string.Empty;
                txtJuniorHighSchool.Text = parts.Length > 16 ? parts[16] : string.Empty;
                txtHighSchool.Text = parts.Length > 17 ? parts[17] : string.Empty;
                txtUniversity.Text = parts.Length > 18 ? parts[18] : string.Empty;
                txtGraduateSchool.Text = parts.Length > 19 ? parts[19] : string.Empty;
                txtWorkUnit.Text = parts.Length > 20 ? parts[20] : string.Empty;
                txtPhoneNumber.Text = parts.Length > 21 ? parts[21] : string.Empty;
                txtEmail.Text = parts.Length > 22 ? parts[22] : string.Empty;
                txtWeChat.Text = parts.Length > 23 ? parts[23] : string.Empty;
                txtQQ.Text = parts.Length > 24 ? parts[24] : string.Empty;
                txtOtherContact.Text = parts.Length > 25 ? parts[25] : string.Empty;

                // 更新图片显示控件
                if (parts.Length > 26 && !string.IsNullOrEmpty(parts[26]))
                {
                    try
                    {
                        BitmapImage bitmap = new BitmapImage();
                        bitmap.BeginInit();
                        bitmap.UriSource = new Uri(parts[26], UriKind.Absolute);
                        bitmap.EndInit();
                        imgPhoto.Source = bitmap;
                    }
                    catch
                    {
                        // 如果图片路径无效，清空图片控件
                        imgPhoto.Source = null;
                    }
                }
                else
                {
                    // 如果没有图片路径，清空图片控件
                    imgPhoto.Source = null;
                }
            }
            else
            {
                ClearControls();
            }
        }

        private void ClearControls()
        {
            txtName.Clear();
            cmbGender.SelectedItem = null;
            dpBirthDate.SelectedDate = new DateTime(1900, 1, 1); // 设置默认日期为 1900-01-01
            dpBirthDate.Text = "1900/1/1";
            cmbLevel.SelectedItem = null;
            cmbTag.SelectedItem = null;
            cmbIDType.SelectedItem = null;
            txtIDNumber.Clear();
            cmbBirthplace.SelectedItem = null;
            cmbPoliticalStatus.SelectedItem = null;
            cmbMaritalStatus.SelectedItem = null;
            txtAddress.Clear();
            txtFamilySituation.Clear();
            txtAcquaintancePlace.Clear();
            cmbRelativeStatus.SelectedItem = null;
            cmbEducation.SelectedItem = null;
            txtPrimarySchool.Clear();
            txtJuniorHighSchool.Clear();
            txtHighSchool.Clear();
            txtUniversity.Clear();
            txtGraduateSchool.Clear();
            txtWorkUnit.Clear();
            txtPhoneNumber.Clear();
            txtEmail.Clear();
            txtWeChat.Clear();
            txtQQ.Clear();
            txtOtherContact.Clear();
            imgPhoto.Source = null;
        }

        private object GetComboBoxItem(ComboBox comboBox, string content)
        {
            if (string.IsNullOrEmpty(content)) return null;
            foreach (var item in comboBox.Items)
            {
                if (item.ToString() == content)
                {
                    return item;
                }
            }
            return null;
        }

        private void PreviousButton_Click(object sender, RoutedEventArgs e)
        {
            if (currentIndex > 0)
            {
                currentIndex--;
                DisplayCurrentLine();
            }
        }

        private void NextButton_Click(object sender, RoutedEventArgs e)
        {
            if (currentIndex < lines.Count - 1)
            {
                currentIndex++;
                DisplayCurrentLine();
            }
        }

        private void SaveButton_Click(object sender, RoutedEventArgs e)
        {
            // 获取所有控件的值
            string name = txtName.Text;
            string gender = cmbGender.SelectedItem?.ToString();
            string birthDate = dpBirthDate.SelectedDate?.ToString("yyyy-MM-dd") ?? string.Empty;
            string level = cmbLevel.SelectedItem?.ToString();
            string tag = cmbTag.SelectedItem?.ToString();
            string idType = cmbIDType.SelectedItem?.ToString();
            string idNumber = txtIDNumber.Text;
            string birthplace = cmbBirthplace.SelectedItem?.ToString();
            string politicalStatus = cmbPoliticalStatus.SelectedItem?.ToString();
            string maritalStatus = cmbMaritalStatus.SelectedItem?.ToString();
            string address = txtAddress.Text;
            string familySituation = txtFamilySituation.Text;
            string acquaintancePlace = txtAcquaintancePlace.Text;
            string relativeStatus = cmbRelativeStatus.SelectedItem?.ToString();
            string education = cmbEducation.SelectedItem?.ToString();
            string primarySchool = txtPrimarySchool.Text;
            string juniorHighSchool = txtJuniorHighSchool.Text;
            string highSchool = txtHighSchool.Text;
            string university = txtUniversity.Text;
            string graduateSchool = txtGraduateSchool.Text;
            string workUnit = txtWorkUnit.Text;
            string phoneNumber = txtPhoneNumber.Text;
            string email = txtEmail.Text;
            string weChat = txtWeChat.Text;
            string qq = txtQQ.Text;
            string otherContact = txtOtherContact.Text;
            string photoPath = imgPhoto.Source?.ToString() ?? string.Empty;

            // 构建保存的内容，使用两个星号 ** 分割每一列
            string content = string.Join("**", new string[]
            {
        name, gender, birthDate, level, tag, idType, idNumber, birthplace,
        politicalStatus, maritalStatus, address, familySituation, acquaintancePlace,
        relativeStatus, education, primarySchool, juniorHighSchool, highSchool,
        university, graduateSchool, workUnit, phoneNumber, email, weChat, qq, otherContact, photoPath
            });

            // 获取用户文档文件夹路径
            string userDocumentsPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
            // 构建目标文件路径
            string filePath = Path.Combine(userDocumentsPath, "ArchivesCenter", "data", "people", "content.txt");

            // 确保目标文件夹存在
            string directoryPath = Path.GetDirectoryName(filePath);
            if (!Directory.Exists(directoryPath))
            {
                Directory.CreateDirectory(directoryPath);
            }

            if (currentIndex >= 0 && currentIndex < lines.Count)
            {
                // 修改当前行的内容
                lines[currentIndex] = content;
                isNewRecord = false; // 重置新建记录标志
            }
            else
            {
                // 新增一行
                lines.Add(content);
            }

            // 保存文件内容
            File.WriteAllLines(filePath, lines);

            MessageBox.Show("保存成功！");
        }

        private void NewButton_Click(object sender, RoutedEventArgs e)
        {
            // 清空所有控件的内容
            ClearControls();

            // 如果是第一次点击新建按钮，添加一个空行
            if (!isNewRecord)
            {
                lines.Add(string.Empty);
                isNewRecord = true;
            }

            // 设置当前索引为最后一行
            currentIndex = lines.Count - 1;

            // 显示新行
            DisplayCurrentLine();
        }

        private void ChangePhotoButton_Click(object sender, RoutedEventArgs e)
        {
            OpenFileDialog openFileDialog = new OpenFileDialog
            {
                Filter = "Image Files (*.bmp;*.jpg;*.jpeg;*.png)|*.bmp;*.jpg;*.jpeg;*.png"
            };

            if (openFileDialog.ShowDialog() == true)
            {
                // 获取用户文档文件夹路径
                string userDocumentsPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
                // 构建目标文件夹路径
                string targetDirectory = Path.Combine(userDocumentsPath, "ArchivesCenter", "data", "people");
                // 确保目标文件夹存在
                if (!Directory.Exists(targetDirectory))
                {
                    Directory.CreateDirectory(targetDirectory);
                }

                // 生成随机文件名
                string randomFileName = Guid.NewGuid().ToString() + Path.GetExtension(openFileDialog.FileName);
                string targetFilePath = Path.Combine(targetDirectory, randomFileName);

                // 复制文件到目标路径
                File.Copy(openFileDialog.FileName, targetFilePath, true);

                // 更新图片显示控件
                BitmapImage bitmap = new BitmapImage();
                bitmap.BeginInit();
                bitmap.UriSource = new Uri(targetFilePath, UriKind.Absolute);
                bitmap.EndInit();
                imgPhoto.Source = bitmap;

                // 如果当前行存在，更新文件路径到 content.txt 文件
                if (currentIndex >= 0 && currentIndex < lines.Count)
                {
                    string[] parts = lines[currentIndex].Split(new string[] { "**" }, StringSplitOptions.None);
                    if (parts.Length > 26)
                    {
                        parts[26] = targetFilePath;
                    }
                    else
                    {
                        parts = parts.Concat(new string[] { targetFilePath }).ToArray();
                    }
                    lines[currentIndex] = string.Join("**", parts);
                    SaveFileContent();
                }
            }
        }

        private void SaveFileContent()
        {
            // 获取用户文档文件夹路径
            string userDocumentsPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
            // 构建目标文件路径
            string filePath = Path.Combine(userDocumentsPath, "ArchivesCenter", "data", "people", "content.txt");

            // 确保目标文件夹存在
            string directoryPath = Path.GetDirectoryName(filePath);
            if (!Directory.Exists(directoryPath))
            {
                Directory.CreateDirectory(directoryPath);
            }

            // 保存文件内容
            File.WriteAllLines(filePath, lines);
        }

        private void DeleteButton_Click(object sender, RoutedEventArgs e)
        {
            if (currentIndex >= 0 && currentIndex < lines.Count)
            {
                // 如果当前处于编辑状态，删除当前行
                lines.RemoveAt(currentIndex);
                // 保存文件内容
                SaveFileContent();
                // 如果删除后还有行，显示上一行的内容
                if (currentIndex > 0)
                {
                    currentIndex--;
                    DisplayCurrentLine();
                }
                else
                {
                    ClearControls();
                }
            }
            else
            {
                // 如果当前处于新建状态，清空控件内容
                ClearControls();
            }
        }
    }
}