using DevExpress.XtraEditors;
using DevExpress.XtraEditors.Controls;
using System;
using System.Drawing;
using System.Windows.Forms;

namespace Lskj.Control.SpecialDate
{
    public class SpecialDatePopup : UserControl
    {
        private const string Morning = "\u4e0a\u5348";
        private const string Afternoon = "\u4e0b\u5348";

        private readonly CalendarControl calendar;
        private readonly RadioGroup halfDayRadio;
        private readonly SimpleButton btnOk;
        private readonly SimpleButton btnClear;
        private readonly SimpleButton btnCancel;

        // 弹出层不直接操作表格，只把按钮动作通知给 GridControlEx。
        public event EventHandler ConfirmClick;
        public event EventHandler ClearClick;
        public event EventHandler CancelClick;

        // 当前正在编辑的表格下拉编辑器，由 GridControlEx 在 QueryPopUp 时赋值。
        public PopupContainerEdit OwnerEdit { get; set; }

        public SpecialDatePopup()
        {
            this.calendar = new CalendarControl();
            this.halfDayRadio = new RadioGroup();
            this.btnOk = new SimpleButton();
            this.btnClear = new SimpleButton();
            this.btnCancel = new SimpleButton();

            InitializeComponent();
        }

        public string SelectedValue
        {
            get
            {
                string halfDay = (this.halfDayRadio.EditValue + "").Equals(Afternoon) ? Afternoon : Morning;
                return this.calendar.DateTime.ToString("yyyy-MM-dd") + " " + halfDay;
            }
        }

        // 打开下拉框时，根据当前单元格值回填日期和上午/下午。
        public void SetValue(string value)
        {
            DateTime date = DateTime.Today;
            string halfDay = Morning;

            if (!string.IsNullOrWhiteSpace(value))
            {
                string text = value.Trim();
                if (text.Contains(Afternoon))
                {
                    halfDay = Afternoon;
                }
                else if (text.Contains(Morning))
                {
                    halfDay = Morning;
                }

                string dateText = text.Replace(Morning, "").Replace(Afternoon, "").Trim();
                DateTime parsedDate;
                if (DateTime.TryParse(dateText, out parsedDate) || DateTime.TryParse(text, out parsedDate))
                {
                    date = parsedDate.Date;
                    // 兼容历史时间值，例如 2026-05-17 15:00:00 会默认识别为下午。
                    if (!text.Contains(Morning) && !text.Contains(Afternoon))
                    {
                        halfDay = parsedDate.Hour >= 12 ? Afternoon : Morning;
                    }
                }
            }

            this.calendar.DateTime = date;
            this.halfDayRadio.EditValue = halfDay;
        }

        private void InitializeComponent()
        {
            PanelControl rightPanel = new PanelControl();
            PanelControl bottomPanel = new PanelControl();
            LabelControl halfDayLabel = new LabelControl();

            ((System.ComponentModel.ISupportInitialize)(rightPanel)).BeginInit();
            rightPanel.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(bottomPanel)).BeginInit();
            bottomPanel.SuspendLayout();
            ((System.ComponentModel.ISupportInitialize)(this.halfDayRadio.Properties)).BeginInit();
            this.SuspendLayout();

            this.Size = new Size(430, 260);
            this.MinimumSize = this.Size;

            this.calendar.Dock = DockStyle.Fill;
            // 这里不要 DevExpress 自带的时分秒编辑，只保留日期选择。
            this.calendar.CalendarTimeEditing = DevExpress.Utils.DefaultBoolean.False;
            this.calendar.ShowTodayButton = true;
            this.calendar.ShowClearButton = false;

            rightPanel.Dock = DockStyle.Right;
            rightPanel.BorderStyle = BorderStyles.NoBorder;
            rightPanel.Width = 110;

            halfDayLabel.Text = "\u65f6\u6bb5";
            halfDayLabel.Location = new Point(14, 18);

            // 右侧只提供上午/下午两个固定选项，保证保存字符串格式稳定。
            this.halfDayRadio.Location = new Point(12, 46);
            this.halfDayRadio.Size = new Size(86, 70);
            this.halfDayRadio.Properties.BorderStyle = BorderStyles.NoBorder;
            this.halfDayRadio.Properties.Items.Add(new RadioGroupItem(Morning, Morning));
            this.halfDayRadio.Properties.Items.Add(new RadioGroupItem(Afternoon, Afternoon));
            this.halfDayRadio.EditValue = Morning;

            rightPanel.Controls.Add(this.halfDayRadio);
            rightPanel.Controls.Add(halfDayLabel);

            bottomPanel.Dock = DockStyle.Bottom;
            bottomPanel.BorderStyle = BorderStyles.NoBorder;
            bottomPanel.Height = 36;

            this.btnOk.Text = "\u786e\u5b9a(&O)";
            this.btnOk.Size = new Size(72, 24);
            this.btnOk.Location = new Point(180, 6);
            this.btnOk.Click += OnOkClick;

            this.btnClear.Text = "\u6e05\u9664";
            this.btnClear.Size = new Size(72, 24);
            this.btnClear.Location = new Point(260, 6);
            this.btnClear.Click += OnClearClick;

            this.btnCancel.Text = "\u53d6\u6d88";
            this.btnCancel.Size = new Size(72, 24);
            this.btnCancel.Location = new Point(340, 6);
            this.btnCancel.Click += OnCancelClick;

            bottomPanel.Controls.Add(this.btnOk);
            bottomPanel.Controls.Add(this.btnClear);
            bottomPanel.Controls.Add(this.btnCancel);

            this.Controls.Add(this.calendar);
            this.Controls.Add(rightPanel);
            this.Controls.Add(bottomPanel);

            ((System.ComponentModel.ISupportInitialize)(this.halfDayRadio.Properties)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(bottomPanel)).EndInit();
            bottomPanel.ResumeLayout(false);
            ((System.ComponentModel.ISupportInitialize)(rightPanel)).EndInit();
            rightPanel.ResumeLayout(false);
            rightPanel.PerformLayout();
            this.ResumeLayout(false);
        }

        private void OnOkClick(object sender, EventArgs e)
        {
            // 通知 GridControlEx 写入 SelectedValue 并关闭下拉框。
            if (ConfirmClick != null)
            {
                ConfirmClick(this, EventArgs.Empty);
            }
        }

        private void OnClearClick(object sender, EventArgs e)
        {
            // 通知 GridControlEx 清空当前单元格。
            if (ClearClick != null)
            {
                ClearClick(this, EventArgs.Empty);
            }
        }

        private void OnCancelClick(object sender, EventArgs e)
        {
            // 通知 GridControlEx 只关闭下拉框，不改单元格值。
            if (CancelClick != null)
            {
                CancelClick(this, EventArgs.Empty);
            }
        }
    }
}