using DevExpress.Utils;
using DevExpress.XtraEditors;
using GeoSigmaDrawLib;
using MeshProcess;
using System;
using System.Collections.Generic;
using System.Drawing;

namespace KepGridEditor
{
    public partial class FormVolumeStats : XtraForm
    {
        public event EventHandler<int> ModeChanged;   // 构造图/等厚图 改变
        public event EventHandler<int> MethodChanged; // 容积法/等值线法 改变

        public FormVolumeStats()
        {
            InitializeComponent();

            this.radioGroupMode.SelectedIndexChanged += RadioGroupMode_SelectedIndexChanged;
            this.radioGroupMethod.SelectedIndexChanged += RadioGroupMethod_SelectedIndexChanged;

            SetColumnFormat(this.colArea);
            SetColumnFormat(this.colVolumn);
            SetColumnFormat(this.colAreaVolumn);

            this.gridViewData.OptionsMenu.EnableColumnMenu = false;
            this.gridViewData.OptionsCustomization.AllowGroup = false;

            this.radioGroupMethod.SelectedIndex = 0;

            UpdateControlVisibility();
        }

        public class VolumeDisplayItem
        {
            public string Name { get; set; }
            public double Area { get; set; }
            public double Volumn { get; set; }
            public double AreaVolumn { get; set; }

            public VolumeDisplayItem(LineVolumnData data)
            {
                this.Name = data.Name;
                this.Area = data.Area;
                this.Volumn = data.Volumn;
                this.AreaVolumn = data.AreaVolumn;
            }
        }

        public void SetDataSource(LineVolumnData[] data)
        {
            if (data == null)
            {
                this.gridControlData.DataSource = null;
                return;
            }

            List<VolumeDisplayItem> displayList = new List<VolumeDisplayItem>();
            foreach (var item in data)
            {
                displayList.Add(new VolumeDisplayItem(item));
            }
            this.gridControlData.DataSource = displayList;
            this.gridViewData.RefreshData();
        }

        // 构造图/等厚图 切换
        private void RadioGroupMode_SelectedIndexChanged(object sender, EventArgs e)
        {
            ModeChanged?.Invoke(this, GetCurrentMode());
        }

        // 容积法/等值线法 切换
        private void RadioGroupMethod_SelectedIndexChanged(object sender, EventArgs e)
        {
            UpdateControlVisibility();

            int selectedMethod = this.radioGroupMethod.SelectedIndex;
            MethodChanged?.Invoke(this, selectedMethod);
        }

        // 控制显隐及逻辑
        private void UpdateControlVisibility()
        {
            bool isVolumeMethod = (this.radioGroupMethod.SelectedIndex == 0);

            if (isVolumeMethod)
            {
                // 容积法：启用控件
                this.radioGroupMode.Enabled = true;
            }
            else
            {
                // 等值线法：强制选中“等厚图” (Value = 1) 并禁用
                this.radioGroupMode.EditValue = 1;
                this.radioGroupMode.Enabled = false;
            }
        }

        // 获取当前统计模式 (0:构造图, 1:等厚图)
        public int GetCurrentMode()
        {
            return Convert.ToInt32(this.radioGroupMode.EditValue);
        }

        // 获取当前计算方式 (0:容积法, 1:等值线法)
        public int GetCurrentMethod()
        {
            return this.radioGroupMethod.SelectedIndex;
        }

        private void SetColumnFormat(DevExpress.XtraGrid.Columns.GridColumn col)
        {
            col.DisplayFormat.FormatType = FormatType.Numeric;
            col.DisplayFormat.FormatString = "f6";
        }
    }
}