using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using PaintDotNet.Base.SettingModel;
using PaintDotNet.Camera;
using System.Threading;
using PaintDotNet.ImageCollect;

namespace PaintDotNet.Preview2
{
    public partial class WhiteBalanceControl : UserControl
    {
        private ICamera _camera => CameraManager.CurrentCamera;
        private CameraParamModel.ParameterSets _settings
        {
            get
            {
                return CameraConfigs.Settings;
            }
        }
        private int _delay = 500;

        private void InitializeLanguageText()
        {
            this.groupBox3.Text = PdnResources.GetString("Menu.Image.WhiteBalance.Text");
            this.label12.Text = PdnResources.GetString("Menu.Blue.text");
            this.label11.Text = PdnResources.GetString("Menu.green.text");
            this.label1.Text = PdnResources.GetString("Menu.red.text");
            this.label9.Text = PdnResources.GetString("Menu.yellow.text");
            this.label8.Text = PdnResources.GetString("Menu.Magenta.text");
            this.label7.Text = PdnResources.GetString("Menu.aqua.text");
            this.btnAuto.Text = PdnResources.GetString("Menu.auto.text");
            this.btnManual.Text = PdnResources.GetString("Menu.Manual.text");
        }
        public WhiteBalanceControl()
        {
            InitializeComponent();
        }

        public void Initialize()
        {
            InitializeLanguageText();
            InitializeControlData();
        }

        private void InitializeControlData()
        {
            if (_camera.IsOpen())
            {
                var range = _camera.GetColorChannelRang(1);
                tkbRed.Minimum = (int)range.Min;
                tkbRed.Maximum = (int)range.Max;
                tkbRed.Tag = range;

                range = _camera.GetColorChannelRang(2);
                tkbGreen.Minimum = (int)range.Min;
                tkbGreen.Maximum = (int)range.Max;
                tkbGreen.Tag = range;

                range = _camera.GetColorChannelRang(3);
                tkbBlue.Minimum = (int)range.Min;
                tkbBlue.Maximum = (int)range.Max;
                tkbBlue.Tag = range;

                range = _camera.GetColorTemperatureRange();

                // 颜色值
                int redChannelValue = (int)_settings.RedChannel;
                if (redChannelValue >= this.tkbRed.Minimum && redChannelValue <= this.tkbRed.Maximum)
                {
                    this.tkbRed.Value = redChannelValue;
                }

                int greenChannelValue = (int)_settings.GreenChannel;
                if (greenChannelValue >= this.tkbGreen.Minimum && greenChannelValue <= this.tkbGreen.Maximum)
                {
                    this.tkbGreen.Value = greenChannelValue;
                }

                int blueChannelValue = (int)_settings.BlueChannel;
                if (blueChannelValue >= this.tkbBlue.Minimum && blueChannelValue <= this.tkbBlue.Maximum)
                {
                    this.tkbBlue.Value = blueChannelValue;
                }

                AutoWhiteBalance(_settings.WhiteBalance == 1);
            }
        }

        public void UpdateDisplay()
        {
            btnAuto.Enabled = _settings.WhiteBalance != 1;
            btnManual.Enabled = _settings.WhiteBalance == 1;
            pnlColor.Enabled = _settings.WhiteBalance == 0;
        }
        /// <summary>
        /// 是否自动白平衡 修改显示样式
        /// </summary>
        private void AutoWhiteBalance(Boolean isWhiteBalance)
        {
            _camera.WhiteBalanceMode = isWhiteBalance ? 2 : 0;
            pnlColor.Enabled = !isWhiteBalance;
            _settings.WhiteBalance = isWhiteBalance ? 1 : 0;
            new Thread(() =>
            {
                Thread.Sleep(_delay);
                this.Invoke1(() => { UpdateColorTemperature(); });
            }).Start();
        }

        private void UpdateColorTemperature()
        {
            _settings.RedChannel = _camera.RedGain;
            _settings.GreenChannel = _camera.GreenGain;
            _settings.BlueChannel = _camera.BlueGain;
            var cct = _camera.ColorTemperature;
            _settings.Temperature = cct;

            this.tkbRed.Value = (int)_settings.RedChannel;
            this.tkbGreen.Value = (int)_settings.GreenChannel;
            this.tkbBlue.Value = (int)_settings.BlueChannel;

            btnAuto.Enabled = _settings.WhiteBalance != 1;
            btnManual.Enabled = _settings.WhiteBalance == 1;
        }

        /// <summary>
        /// 白平衡模式切换
        /// </summary>
        private void Manual_Click(object sender, EventArgs e)
        {
            if (sender == btnManual)
                AutoWhiteBalance(false);
            if (sender == btnAuto)
                AutoWhiteBalance(true);
        }

        private void Once_Click(object sender, EventArgs e)
        {
            _camera.WhiteBalanceMode = 2;
            new Thread(() =>
            {
                Thread.Sleep(_delay);
                this.Invoke1(() => { AutoWhiteBalance(false); });
            }).Start();
        }

        private void button4_Click(object sender, EventArgs e)
        {
            var colorTemperatureString = (sender as Button).Text;
            colorTemperatureString = colorTemperatureString.ToUpper().Replace("K", "");
            int cct = (int.Parse(colorTemperatureString) / 100) - 20;
            _camera.ColorTemperature = cct;
            AutoWhiteBalance(false);
        }

        private void Invoke1(Action action)
        {
            try
            {
                if (this.IsHandleCreated)
                {
                    this.Invoke(action);
                }
            }
            catch
            {
            }
        }

        private void tkbRed_Scroll(object sender, EventArgs e)
        {
            _camera.RedGain = tkbRed.Value;
            _settings.RedChannel = tkbRed.Value;
        }

        private void tkbGreen_Scroll(object sender, EventArgs e)
        {
            _camera.GreenGain = tkbGreen.Value;
            _settings.GreenChannel = tkbGreen.Value;
        }

        private void tkbBlue_Scroll(object sender, EventArgs e)
        {
            _camera.BlueGain = tkbBlue.Value;
            _settings.BlueChannel = tkbBlue.Value;
        }
    }
}