using Bro.Common.Factory;
using Bro.Common.Helper;
using Bro.Common.Interface;
using System;
using System.Drawing;
using System.Reflection;
using System.Windows.Forms;

namespace Bro.UI.Config
{
    public partial class CtrlDeviceState : UserControl
    {
        public event Action<string, bool> OnDeviceCheckedChanged;

        private IDevice device = null;
        public IDevice Device
        {
            get => device;
            set
            {
                if (value != null)
                {
                    device = value;

                    lblName.Text = device.Name;
                    device.OnDeviceStateChanged += Device_OnDeviceStateChanged;

                    Device_OnDeviceStateChanged(device, device.CurrentState);

                    CheckDeviceRunCtrlEnabled();

                    chkDevice.CheckedChanged -= ChkDevice_CheckedChanged;
                    chkDevice.CheckedChanged += ChkDevice_CheckedChanged;
                }
            }
        }

        public bool IsChecked
        {
            get => chkDevice.Checked;
            set
            {
                chkDevice.CheckedChanged -= ChkDevice_CheckedChanged;
                chkDevice.Checked = value;
                chkDevice.CheckedChanged += ChkDevice_CheckedChanged;
            }
        }

        private void ChkDevice_CheckedChanged(object sender, EventArgs e)
        {
            OnDeviceCheckedChanged?.Invoke(Device.Id, chkDevice.Checked);
        }

        private void CheckDeviceRunCtrlEnabled()
        {
            string typeCode = Device.GetType().GetCustomAttribute<DeviceAttribute>()?.TypeCode;

            if (!string.IsNullOrWhiteSpace(typeCode))
            {
                chkDevice.Enabled = UIFactory.IsDeviceCtrlExisted(typeCode, EnumHelper.DeviceAttributeType.RunCtrl);
            }
            else
            {
                chkDevice.Enabled = false;
            }

            //if (chkDevice.Enabled)
            //{
            //    chkDevice.Checked = true;
            //}
        }

        private void Device_OnDeviceStateChanged(IDevice device, EnumHelper.DeviceState deviceState)
        {
            //Graphics g = plState.CreateGraphics();
            //g.Clear(SystemColors.Control);
            //g.FillEllipse(new SolidBrush(deviceState.GetEnumSelectedColor()), plState.ClientRectangle);
            plState.Refresh();
        }

        public CtrlDeviceState()
        {
            InitializeComponent();
        }

        public CtrlDeviceState(IDevice _device)
        {
            InitializeComponent();
            Device = _device;

            plState.Paint += PlState_Paint;
        }

        private void PlState_Paint(object sender, PaintEventArgs e)
        {
            Graphics g = e.Graphics;
            g.Clear(SystemColors.Control);
            g.FillEllipse(new SolidBrush(Device.CurrentState.GetEnumSelectedColor()), plState.ClientRectangle);
        }
    }
}