using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml.Serialization;

namespace GeoSigma.SigmaDrawerUtil
{
    /// <summary>
    /// 全局设置
    /// </summary>
    public class DrawerGlobalConfig
    {
        private static DrawerGlobalConfig _globalConfig = null;

        public static DrawerGlobalConfig Instance
        {
            get
            {
                if (_globalConfig == null)
                {
                    _globalConfig = ReadFromFile();
                }

                return _globalConfig;
            }
        }

        private static string configFile = Path.Combine(Application.StartupPath, "DrawGlobalConfig.xml");
        /// <summary>
        public RangSelectConfig RangSelectNode { get; set; } = new RangSelectConfig();
        public FillConfig FillNode { get; set; } = new FillConfig();
        public MeshColorEditConfig MeshColorEditNode { get; set; } = new MeshColorEditConfig();
        public MeshConfig MeshNode { get; set; } = new MeshConfig();



        /// 计算设置
        /// </summary>
        /// <summary>
        /// Initializes a new instance of the <see cref="DrawerGlobalConfig"/> class.
        /// </summary>
        public DrawerGlobalConfig() { }

        /// <summary>
        /// Reads the specified XML file.
        /// </summary>
        /// <param name="xmlFile">The XML file.</param>
        /// <returns>经读取生成的对象</returns>
        private static DrawerGlobalConfig ReadFromFile()
        {
            //DialogResult result = DialogResult.Cancel;
            string xmlFile = configFile;
            if (!File.Exists(xmlFile))
            {
                return new DrawerGlobalConfig();
            }
            try
            {
                using (StreamReader reader = new StreamReader(xmlFile, Encoding.Default))
                {
                    XmlSerializer serializer = new XmlSerializer(typeof(DrawerGlobalConfig));
                    DrawerGlobalConfig objRead = (DrawerGlobalConfig)serializer.Deserialize(reader);
                    return objRead;
                }
            }
            catch (Exception ex)
            {
                Trace.WriteLine(ex.Message);
                /*
                const string message =
        "解析配置文件(DrawerGlobalConfig.xml)失败，点击确定创建缺省配置，点击取消保留错误配置文件！";
                const string caption = "配置文件错误";
                result = MessageBox.Show(message, caption,
                                             MessageBoxButtons.OKCancel,
                                             MessageBoxIcon.Error);
                */                
            }
            /*
            if (result == DialogResult.OK)
            {
                return new DrawerGlobalConfig();
            }
            else
            {
                return null;
            }
            */
            return new DrawerGlobalConfig();
        }
        /// <summary>
        /// Saves this instance.
        /// </summary>
        /// <returns>是否保存成功</returns>
        public bool Save()
        {
            string xmlFile = configFile;
            using (StreamWriter sw = new StreamWriter(xmlFile, false, Encoding.Default))
            {
                // 创建 XmlSerializer 实例
                XmlSerializer serializer = new XmlSerializer(typeof(DrawerGlobalConfig));
                // 将 MyClass 对象序列化到 XML
                serializer.Serialize(sw, this);
            }
            return true;
        }
    }

    /// <summary>
    /// 相交面积因子
    /// </summary>
    public class RangSelectConfig
    {
        /// <summary>
        /// Gets or sets 相交面积百分比.
        /// </summary>
        [System.ComponentModel.Category("相交面积"), System.ComponentModel.DisplayName("面积百分比")]
        public int AreaFactor { get; set; } = 100;
    }
    /// <summary>
    /// 区域填充相交填充相交延伸长度
    /// </summary>
    public class FillConfig
    {
        /// <summary>
        /// Gets or sets 相交填充延伸长度.
        /// </summary>
        [System.ComponentModel.Category("相交填充"), System.ComponentModel.DisplayName("线段延伸长度")]
        public int IntersectionExtendLength { get; set; } = 5000;

        /*
        /// <summary>
        /// Gets or sets 自动填充延伸长度.
        /// </summary>
        [System.ComponentModel.Category("自动填充"), System.ComponentModel.DisplayName("线段延伸长度")]
        public int AutoExtendLength { get; set; } = 50;
        */
    }

     /// <summary>
    /// bool型数据属性转换
    /// </summary>
    public class CustomBooleanConverter : BooleanConverter
    {
        /// <inheritdoc/>
        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
        {
            if (destinationType == typeof(string) && value is bool)
            {
                return (bool)value ? "是" : "否";
            }
            return base.ConvertTo(context, culture, value, destinationType);
        }

        /// <summary>
        /// Converts from.
        /// </summary>
        /// <param name="context">The context.</param>
        /// <param name="culture">The culture.</param>
        /// <param name="value">The value.</param>
        /// <returns></returns>
        public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
        {
            if (value is string)
            {
                string strValue = ((string)value).Trim().ToLower();
                if (strValue == "是" || strValue == "true")
                {
                    return true;
                }
                else if (strValue == "否" || strValue == "false")
                {
                    return false;
                }
            }
            return base.ConvertFrom(context, culture, value);
        }
    }

    /// <summary>
    /// 抗锯齿设置
    /// </summary>
    public class MeshConfig
    {
        /// <summary>
        /// Gets or sets 是否抗锯齿.
        /// </summary>
        [System.ComponentModel.Category("抗锯齿设置"), System.ComponentModel.DisplayName("是否抗锯齿")]
        [TypeConverter(typeof(CustomBooleanConverter))]
        public bool AntiAliasingEnable { get; set; } = false;
    }

    public class MeshColorEditConfig
    {
        /// <summary>
        /// Gets or sets 是否抗锯齿.
        /// </summary>
        [System.ComponentModel.Category("曲面颜色编辑设置"), System.ComponentModel.DisplayName("实时应用")]
        [TypeConverter(typeof(CustomBooleanConverter))]
        public bool AutoApplyEnable { get; set; } = false;
        [System.ComponentModel.Category("曲面颜色编辑设置"), System.ComponentModel.DisplayName("循环获得颜色")]
        [TypeConverter(typeof(CustomBooleanConverter))]
        public bool LoopColorEnable { get; set; } = false;
    }
}