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

namespace KepGridEditor
{
    public partial class FrmRectificationProgress : XtraForm
    {
        private Action cancelAction;
        private bool closed = false;
        private Func<int> getProgressFunc;
        private Timer timer;

        private int progressIndex = 0;

        public FrmRectificationProgress(Func<int> getProgress, Action cancel, string methodName = "IDW井点校正")
        {
            InitializeComponent();
            getProgressFunc = getProgress;
            cancelAction = cancel;
            labelStatus.Text = $"{methodName}，正在计算...";
            btnCancel.Click += BtnCancel_Click;
            this.labelProgress.Visible = false;

            // 增加定时器
            if (getProgressFunc != null)
            {
                timer = new Timer();
                timer.Interval = 200;
                timer.Tick += Timer_Tick;
                timer.Start();
            }
        }

        private void Timer_Tick(object sender, EventArgs e)
        {
            if (closed) return;
            int progress = getProgressFunc?.Invoke() ?? 0;
            if(progress > progressIndex)
                progressIndex = progress;
            if(progressIndex == 0)
                this.labelProgress.Text = $"...";
            else
                this.labelProgress.Text = $"{progressIndex}%";

            if (progress >= 100)
            {
                timer.Stop();
                Done();
            }

            if(progress == -1)
            {
                timer.Stop();
                if (closed) return;
                closed = true;
                this.Close();
            }
        }

        protected override void OnShown(EventArgs e)
        {
            base.OnShown(e);
            this.ControlBox = false;
            this.FormBorderStyle = FormBorderStyle.None; // 纯无边框
            this.StartPosition = FormStartPosition.CenterParent;
        }

        public void CloseByThread()
        {
            if (this.InvokeRequired)
                this.BeginInvoke((Action)(() => this.DialogResult = DialogResult.OK));
            else
                this.DialogResult = DialogResult.OK;
        }

        public void Done()
        {
            if (closed) return;
            closed = true;
            this.DialogResult = DialogResult.OK;
            this.Close();
        }

        private void BtnCancel_Click(object sender, EventArgs e)
        {
            if (closed) return;
            closed = true;
            cancelAction?.Invoke();
            this.DialogResult = DialogResult.Cancel;
            this.Close();
        }
    }
}