namespace LaaProductionVFM
{
    using System;
    using System.Collections.Specialized;
    using System.Configuration;
    using System.IO;
    using System.Linq;
    using System.Net;
    using System.Reflection;
    using System.Text;
    using System.Web.UI;

    public partial class API : Page
    {
        protected void Page_Load(Object sender, EventArgs e)
        {
            var actionString = this.Request.QueryString.Get("action");

            if (!String.IsNullOrWhiteSpace(actionString))
            {
                var action = this.GetType()
                    .GetMethods(BindingFlags.Instance | BindingFlags.NonPublic)
                    .Where(method => method.Name.Equals(actionString, StringComparison.OrdinalIgnoreCase))
                    .FirstOrDefault();

                if (action != null)
                {
                    this.Response.Clear();
                    this.Response.ContentType = "application/json";

                    action.Invoke(this, null);

                    this.Response.Flush();
                }
            }
        }

        /*****************************************************************************************
         * 
         * A new control variable @IMAGE_MODE allows you to dynamically change the configuration 
         * of the sentinel for the next print job.
         * If set to 0, the sentinel prints a label. - 
         * If set to 1, the sentinel generates a preview image of the label but does not print it.
         * If set to 2, the sentinel prints the label and generates a preview image of the label.
         * 
         *****************************************************************************************/
        protected void PrintTestLabel()
        {
            try
            {
                var form = this.FormData<TestLabel>();
                var builder = new StringBuilder();

                builder.AppendLine(String.Format("@JOB_NAME = \"testlabel_{0}\"", form.PcbId));
                builder.AppendLine(String.Format("@PRINTER_NAME = \"{0}\"", Appsettings.TestLabelPrinter));
                builder.AppendLine(String.Format("@LABEL_NAME = \"{0}\"", Appsettings.TestLabel));
                builder.AppendLine(String.Format("@IMAGE_MODE = \"{0}\"", 0));
                builder.AppendLine(String.Format("ORDERNO = \"{0}\"", form.Orderno));
                builder.AppendLine(String.Format("POSNO = \"{0}\"", form.Posno));
                builder.AppendLine(String.Format("TESTDATE = \"{0}\"", form.TestDate));
                builder.AppendLine(String.Format("PARTNO = \"{0}\"", form.Partno));
                builder.AppendLine(String.Format("DESCL1 = \"{0}\"", form.DescriptionL1));
                builder.AppendLine(String.Format("DESCL2 = \"{0}\"", form.DescriptionL2));
                builder.AppendLine(String.Format("CUSTSN = \"{0}\"", form.CustId));
                builder.AppendLine(String.Format("REGSN = \"{0}\"", form.FactId));
                builder.AppendLine(String.Format("QMAXGPM = \"{0}\"", form.QmaxGPM));
                builder.AppendLine(String.Format("QMIDGPM = \"{0}\"", form.QmidGPM));
                builder.AppendLine(String.Format("QMINGPM = \"{0}\"", form.QminGPM));
                builder.AppendLine(String.Format("QMAXACC = \"{0}\"", form.QmaxACC));
                builder.AppendLine(String.Format("QMIDACC = \"{0}\"", form.QmidACC));
                builder.AppendLine(String.Format("QMINACC = \"{0}\"", form.QminACC));

                if (!String.IsNullOrWhiteSpace(Appsettings.TestLabelTxt))
                {
                    var testDataTxt = String.Format(Appsettings.TestLabelTxt, form.PcbId);
                    var testLabelContent = builder.ToString();

                    File.WriteAllText(testDataTxt, testLabelContent);

                    this.Response.StatusCode = (Int32)HttpStatusCode.OK;
                }
                else
                {
                    this.Response.StatusCode = (Int32)HttpStatusCode.BadRequest;
                }
            }
            catch (Exception e)
            {
                this.Response.StatusCode = (Int32)HttpStatusCode.InternalServerError;
                this.Response.Write(e.ToString());
            }
        }

        /*****************************************************************************************
         * 
         * A new control variable @IMAGE_MODE allows you to dynamically change the configuration 
         * of the sentinel for the next print job.
         * If set to 0, the sentinel prints a label. - 
         * If set to 1, the sentinel generates a preview image of the label but does not print it.
         * If set to 2, the sentinel prints the label and generates a preview image of the label.
         * 
         *****************************************************************************************/
        protected void PrintBoxLabel()
        {
            try
            {
                var form = this.FormData<BoxLabel>();
                var builder = new StringBuilder();

                builder.AppendLine(String.Format("@JOB_NAME = \"boxlabel_{0}\"", form.CustId));
                builder.AppendLine(String.Format("@PRINTER_NAME = \"{0}\"", Appsettings.BoxLabelPrinter));
                builder.AppendLine(String.Format("@LABEL_NAME = \"{0}\"", Appsettings.BoxLabel));
                builder.AppendLine(String.Format("@IMAGE_MODE = \"{0}\"", 0));
                builder.AppendLine(String.Format("TITLE = \"{0}\"", form.Title));
                builder.AppendLine(String.Format("DESCL1 = \"{0}\"", form.DescriptionL1));
                builder.AppendLine(String.Format("DESCL2 = \"{0}\"", form.DescriptionL2));
                builder.AppendLine(String.Format("PARTNO = \"{0}\"", form.Partno));
                builder.AppendLine(String.Format("ORDERNO = \"{0}\"", form.Orderno));
                builder.AppendLine(String.Format("CUSTSN = \"{0}\"", form.CustId));
                builder.AppendLine(String.Format("BOXDATE = \"{0}\"", form.BoxDate));
                builder.AppendLine(String.Format("BOXNO = \"{0}\"", form.Boxno));
                builder.AppendLine(String.Format("QUANTITY = \"{0}\"", form.Quantity));

                if (!String.IsNullOrWhiteSpace(Appsettings.BoxLabelTxt))
                {
                    var boxDataTxt = String.Format(Appsettings.BoxLabelTxt, form.CustId);
                    var boxLabelContent = builder.ToString();

                    File.WriteAllText(boxDataTxt, boxLabelContent);
                    
                    this.Response.StatusCode = (Int32)HttpStatusCode.OK;
                }
                else
                {
                    this.Response.StatusCode = (Int32)HttpStatusCode.BadRequest;
                }
            }
            catch (Exception e)
            {
                this.Response.StatusCode = (Int32)HttpStatusCode.InternalServerError;
                this.Response.Write(e.ToString());
            }
        }

        private T FormData<T>() where T : new()
        {
            var expectedResult = new T();
            var properties = expectedResult
                .GetType()
                .GetProperties(BindingFlags.Public | BindingFlags.Instance)
                .ToDictionary(x => x.Name.ToLower(), x => (Action<Object, Object>)x.SetValue);

            var buffer = new Byte[this.Request.InputStream.Length];
            var dataLength = this.Request.InputStream.Read(buffer, 0, buffer.Length);
            var data = new Byte[dataLength];

            Array.Copy(buffer, 0, data, 0, dataLength);

            var content = Encoding.UTF8.GetString(data);

            if (String.IsNullOrWhiteSpace(content))
            {
                return expectedResult;
            }

            content = content.Trim('"');

            var parts = content.Split(new[] { ';', '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);

            foreach (var part in parts)
            {
                if (String.IsNullOrWhiteSpace(part))
                {
                    continue;
                }

                var tokens = part.Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries);

                if (tokens.Length != 2)
                {
                    continue;
                }

                var key = tokens[0];
                var value = tokens[1];

                if (String.IsNullOrWhiteSpace(key) || String.IsNullOrWhiteSpace(value))
                {
                    continue;
                }

                key = key.ToLower().Trim();
                value = value.Trim();

                if (properties.ContainsKey(key))
                {
                    properties[key](expectedResult, value);
                }
            }

            return expectedResult;
        }

        public class TestLabel
        {
            public String PcbId { get; set; }

            public String Orderno { get; set; }

            public String Posno { get; set; }

            public String TestDate { get; set; }

            public String Partno { get; set; }

            public String DescriptionL1 { get; set; }

            public String DescriptionL2 { get; set; }

            public String CustId { get; set; }

            public String FactId { get; set; }

            public String QmaxGPM { get; set; }

            public String QmidGPM { get; set; }

            public String QminGPM { get; set; }

            public String QmaxACC { get; set; }

            public String QmidACC { get; set; }

            public String QminACC { get; set; }
        }

        public class BoxLabel
        {
            public String CustId { get; set; }

            public String Title { get; set; }

            public String DescriptionL1 { get; set; }

            public String DescriptionL2 { get; set; }

            public String Partno { get; set; }

            public String Orderno { get; set; }

            public String BoxDate { get; set; }

            public String Boxno { get; set; }

            public String Quantity { get; set; }
        }

        public class Appsettings
        {
            public const String ERROR_MSG = "ERROR_MSG";

            private static readonly NameValueCollection appsettings
                = ConfigurationManager.AppSettings;

            public static readonly String SQLServer = ConfigurationManager
                .ConnectionStrings["DefaultConnection"]
                .ConnectionString;

            public static readonly String BoxLabel = appsettings["BoxLabel"];

            public static readonly String BoxLabelPrinter = appsettings["BoxLabelPrinter"];

            public static readonly String BoxLabelTxt = appsettings["BoxLabelTxt"];

            public static readonly String BoxLabelJpg = appsettings["BoxLabelJpg"];

            public static readonly String TestLabel = appsettings["TestLabel"];

            public static readonly String TestLabelPrinter = appsettings["TestLabelPrinter"];

            public static readonly String TestLabelTxt = appsettings["TestLabelTxt"];

            public static readonly String TestLabelJpg = appsettings["TestLabelJpg"];

            public static readonly String CurrentDirectory = appsettings["CurrentDirectory"];
        }
    }
}