using CaeGlobals;
using CaeKnowledge;
using CaeKnowledge.View;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;

namespace CPSO.Forms._92_Knowledge
{
    public partial class FrmEditToolPositions : Form
    {
        // Variables                                                                                                                
        private readonly Controller _controller;
        private bool _modified;

        // Constructors                                                                                                             
        public FrmEditToolPositions(Controller controller)
        {
            InitializeComponent();

            Text = @"切削力查看";

            // dgvCommands.EnableDragAndDropRows();
            dgvCommands.DataBindingComplete += DataBindingComplete;
            _controller = controller;
            _modified = false;
        }

        private void tsmiClose_Click(object sender, EventArgs e)
        {
            Hide();
        }

        private void dgvCommands_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)
        {
            // Color blue = Color.FromArgb(225, 245, 255);
            Color green = Color.FromArgb(235, 255, 235);
            // Color yellow = Color.FromArgb(255, 255, 205);
            // Color red = Color.FromArgb(255, 235, 215);

            dgvCommands.Rows[e.RowIndex].DefaultCellStyle.BackColor = green;
        }

        private void btnReorganize_Click(object sender, EventArgs e)
        {
        }

        private void btnClearAll_Click(object sender, EventArgs e)
        {
            dgvCommands.DataSource = null;

            _viewToolPositions.Clear();

            SetBinding();

            _modified = true;
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            try
            {
                DialogResult = DialogResult.OK;

                if (_modified && dgvCommands.DataSource is BindingSource source
                    && source.DataSource is List<ViewToolPosition> list)
                {
                    _controller.ToolPositions.Clear();
                    _controller.ToolPositions.AddRange(list);
                    _modified = false;
                }

                Hide();
            }
            catch (Exception ex)
            {
                ExceptionTools.Show(this, ex);
            }
        }

        private readonly List<ViewToolPosition> _viewToolPositions = new List<ViewToolPosition>();

        // Methods                                                                                                                  
        public void PrepareForm()
        {
            _viewToolPositions.Clear();

            if (_controller.ToolPositions.Count > 0)
            {
                _viewToolPositions.AddRange(_controller.ToolPositions);
            }

            SetBinding();
        }

        private void SetBinding()
        {
            BindingSource binding = new BindingSource();
            binding.DataSource = _viewToolPositions;
            dgvCommands.DataSource = binding;
        }

        // Source - https://stackoverflow.com/a/24784960
        // Posted by TFischer
        private void DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e)
        {
            // Loops through each row in the DataGridView, and adds the
            // row number to the header
            foreach (DataGridViewRow dGVRow in dgvCommands.Rows)
            {
                dGVRow.HeaderCell.Value = $"{dGVRow.Index + 1}";
            }

            // This resizes the width of the row headers to fit the numbers
            dgvCommands.AutoResizeRowHeadersWidth(DataGridViewRowHeadersWidthSizeMode.AutoSizeToAllHeaders);
        }

        private void FrmEditToolPositions_Load(object sender, EventArgs e)
        {
            dgvCommands.AllowUserToAddRows = false;
            dgvCommands.AllowUserToDeleteRows = false;
            dgvCommands.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
        }

        private void tsmiOpen_Click(object sender, EventArgs e)
        {
              try
            {
                // 1. 选择要读取的TXT文件
                using (OpenFileDialog openFileDialog = new OpenFileDialog())
                {
                    openFileDialog.Filter = "CSV文件 (*.csv)|*.csv|所有文件 (*.*)|*.*";
                    openFileDialog.FilterIndex = 1;
                    openFileDialog.RestoreDirectory = true;

                    if (openFileDialog.ShowDialog() == DialogResult.OK)
                    {
                        string filePath = openFileDialog.FileName;

                        // 2. 逐行读取文件内容
                        var loadedPositions = ToolPositionFileHelper.LoadToolPositionsFromFile(filePath);

                        _controller.ToolPositions.Clear();
                        foreach (var position in loadedPositions)
                        {
                            _controller.ToolPositions.Add(new ViewToolPosition(position));
                        }

                        PrepareForm();

                        // 3. 提示读取结果
                        MessageBox.Show($"✅ 读取完成！\n文件路径：{filePath}\n解析出有效数据：{loadedPositions.Count}条",
                            "读取成功", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show($"❌ 读取失败：{ex.Message}\n{ex.StackTrace}",
                    "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void tsmiSaveAs_Click(object sender, EventArgs e)
        {
            try
            {
                // 1. 创建保存文件对话框
                using (SaveFileDialog saveFileDialog = new SaveFileDialog())
                {
                    // 设置对话框属性
                    saveFileDialog.Filter = "CSV文件 (*.csv)|*.csv|所有文件 (*.*)|*.*"; // 筛选只显示csv文件
                    saveFileDialog.FilterIndex = 1; // 默认选中csv筛选项
                    saveFileDialog.RestoreDirectory = true; // 关闭对话框后恢复原目录
                    saveFileDialog.FileName = "刀位_" + DateTime.Now.ToString("yyyyMMdd"); // 默认文件名（带时间戳）

                    // 2. 如果用户点击了"保存"按钮
                    if (saveFileDialog.ShowDialog() == DialogResult.OK)
                    {
                        // 3. 获取用户选择的文件路径
                        string savePath = saveFileDialog.FileName;

                        // 4. 将列表数据写入TXT文件
                        var testPositions = _controller.ToolPositions.Select(x=> x.Base).ToList();

                        ToolPositionFileHelper.SaveToolPositionsToFile(testPositions, savePath);

                        // 提示保存成功
                        MessageBox.Show($"数据已成功保存到：\n{savePath}", "保存成功",
                            MessageBoxButtons.OK, MessageBoxIcon.Information);
                    }
                }
            }
            catch (Exception ex)
            {
                // 异常处理：捕获并提示保存过程中的错误
                MessageBox.Show($"保存失败：{ex.Message}", "错误",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
    }
}